elecraft k3 schematics - elecraft® hands-on ham … schematics.pdfthis document contains the...
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Elecraft K3 Schematics This document contains the schematics for the Basic K3 Transceiver and most of its options. The schematics are preceded by a Block Diagram for context. This is a preliminary document, and will be superseded by the Schematics section of the Service Manual, when published. The schematics are ordered as the basic K3/10, then various options. BLOCK DIAGRAM K3/10
RF Board Band Stop Filter Mixer Crystal Filter KIO3 KANT3 KNB3 KREF3 KSYN3 Front Panel DSP 10-watt PA
OPTIONS KBPF3 General Coverage Receiver Bandpass FIlters KXV3 Transverter Interface and Receive Antenna Switching KAT3 100-watt Antenna Tuner DVR Digital Voice Record/Playback KPAIO3 Part of 100-watt PA KPA3 Part of 100-watt PA
Copyright © 2007, Elecraft, Inc. All Rights Reserved.
10
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
12
34
56
78
9J7
6K
IO3
P44
E1
23
P44
C1
23
SPK
R_R
SPKR
_L
AUXBUSRXDTXD
/KEY_IN/PTT_IN
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
By
App
endi
x B
K3 R
F Bo
ard
SCK3MOSI3
7R
7T
40
40
40
40
27
C120
C157
C144
K6A
K6
B
C86
C154
C126
C174
C188
C182
K8A
K8
B
C149
C181
C185
C136
C78C7
9C8
4
15
0
56
05
60
15
0
47
0
39
2
39 4
70
22
0
2
22
0
K1A
K1
B
C81
1300
C82
1300
K7
L18
24
3
97
8
24
3
97
8
24
3
97
8
2 43
9 78
J12
J15
Key
Out
J14
PTT
InP
add
le
DIG0
XVTRON
12
34
56
P44
A
5A
SCK3
MIS
O3
LD_IOMISO3
K6
K5
K8
K9
K3
1
K1
110
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U4
SCK3
MO
SI3
.01
C165C163
C164
C108
C75C160
C90
5A
TPIC
6C59
5D
K7
K4
110
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U2
SCK3
C111
C191
5A
TPIC
6C59
5D
MO
SIBP
F2
Band
-Pas
s Fi
lters
MIS
O3
1 of
4
/PW
R_O
N
40
C180
40
C184
L13
1.0
L12
1.0
L11
1.0
40
C135
L10
1.0
40
C134
40
40
40
40
C119
C156
C143
K3A
K3
B
C153
C125
C146
C179
C183
C133
1000
10
05
10
0 1000
K4
24
3
97
8
2 43
9 78
L9 4.5
40
C132
L8 4.5
40
C131
C118
C155
K5A
K5
BC1
52C1
24
82
0
12
01
20
82
024
3
97
8L7 1.
0
40
C130
L6 1.0
40
C129
C142 5
C123
10
0C1
221
00
C117 56
C116 56
L54.
5L4
K2A
24
3
K2
B97
8
C173
1500
90
C178
C172
1500
90
C177
L3 0.25
L2 0.25
L10.
25
C141
3.9
C140
3.9
K9A
24
3
K9
B
9 78
20
C128
Q3IR
FI6
30
G
D SR
41
0K
RFC4
100
RFC3
RFC2
RFC1
/DA
SH/D
OT
/KEY
_IN
/PTT
_IN
C74
C107
C92
.001
C89
20
C148 C1
393
3
C187
33
20
C147
C138
33
C186
10
0
.01
C190
(Att
n., S
H. 4
)K
10
C93
LINE_IN-BK_MICAF-LINEOUT_RBK_PH_LBK_PH_SW
LINE_IN+BK_MICAF+LINEOUT_LBK_PH_RALC
12U
N:10
C223
22
C99
.047
Aux
. BP
F
L33
11.5
8.21
5 M
Hz
11
C218
K2
.01
C240
Re
lay
sBP
F
C236
.047
C61
.047
Re
lay
sBP
F
6 m10
/12
m
15/1
7 m
20/3
0 m
80/1
60
m
40/6
0 m
+
C247
0 µF
+
C347
0 µF
C231
.047
C239
.047
C189
.01
(80
)(8
0)
(16
0)
(16
0)
(10/
12 m
)
(15/
17 m
)
(40/
60 m
)(2
0/30
m)
(6 m
)
(80/
160
m)
(80
or 1
60 m
)
(17/
10 m
or
15/1
2 m
)
(60/
20 o
r 40
/30
m)
(60
/20
)
(40
/30
)
(17
/10
)
(15
/12
)
L16
1.2
C1 39
0
Q52N
7002
GD S
7R
10
0C2
51
J13
Ke
y
RFC4
9
12A
12B
12B
12B
12B
MO
SIBP
F1
.01
C274
.015
C275
250V 12
B
10
BPF_
IF2
BPF_
IF2
R28
100
LD_B
PF
LD_B
PF2
LD_B
PF2
P44
A/C
/E
10
11 12
1 2
3 4
5 6
7 8
9
J64
ASu
b Rc
vr
7R
7T
BPF_
RF W4
SUBR
X BY
P
(Sh.
2)
C50
24
13
24
5
Z3
Stop
-Ban
d Fi
lter
W30
W31
W32
W33
RFC3
61
00
R72
47
0
L35
11.5
8.21
5 M
Hz
11
C257
C71
24
BPF_
IFW
15
A49
/19
/07
Swit
ch
5.6
50
RFC3
2RF
C33
22
0
C70
C67
C72
2200
T-R
0.1
0.1
R58D
27D
26M
A4P
4007
D31
Gro
und
E1
VIPAVTPA
W3
PA
BYP
W.
Burd
ick
App
endi
x B
K3 R
F Bo
ard
AB
CD
T3
AB
CD
T4
D37
D36 H
SMS2
820
C53
.01
C52
.01
10
KR5
5
R46
R38
10
KR5
4
10
KR5
31
0K
R52
/FSC
L/R
SCL
7R
7T
SWR
Brid
ge
10
0RF
C31
C260
0.1
10
0R5
1
10
0R5
0
7T
7R
R44
R35
51
51
W2
W1
XV
RX
A
15
0R5
7
10
0RF
C30
Re
lay
sLP
F
K1
2
K1
1
K1
5
K1
6
K1
7
K1
3
116
BPF_
RF
SCK3
MISO3
V12SPAM
ISO
3M
OSI
3
LD_XV
FCT
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8U5
SCK3
MO
SI3
MIS
O3
.01
C161C76
C109
C192
C166C112
C94
C91
5A
TPIC
6C59
5D
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q6
/Q5
/Q4
/Q3
/Q1
/Q0
/Q7
/Q2
GND
1015 4 3 5 1416
/G9
2 131 12 11 6 7 8
U8
SCK3
MO
SIPA
5A
/FSC
L/R
SCL
47
0R4
9
2 of
4
1011
1213
1415
161
23
45
67
89
J66
RF
Acc
.
MOSI3
C219
.01
12PA
12A
.01
C227
22
K2
2K
C230
0.1
2.2K
R34
12A
C241
.015
K1
4
(80
m)
(160
m)
(15/
17 m
)
(40/
60 m
)
C33
1 µF
1 2 3 4 5
P7
1A
12
34
5
P7
1C
101
23
45
67
89
P7
1B
Z2
LP
A
C261
2200
10
0RF
C45
51
R48
5
67
+
-
3
21+
-
8
4
U16
LM35
8
VFW
D2
VFW
D2
VFW
DV
REFL
Q7ZV
N332
0
RFC4
61
00
8A
D25
64
-05
100W
10
0C5
1
LD_L
PF
BY
P
10
1112
1314
1516
1718
1920
12
34
56
78
9
P67
A10
0 W
PA
In
7R7T
10
1112
1314
1516
1718
1920
2122
2324
2526
12
34
56
78
9
P67
B10
0 W
PA
Out
10W
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
P70
AT
U
12B
W1
9C2
64.0
47
1.0
C268
C267
0.1
C266
.01
C269
LD_LPFMOSIPA
12BSCK3
MISO3
LD_A
TU
SCK3
W2
1
W2
0
BY
P
7R
12A
P72
1 2A
TU (
not
used
)
(Sh.
1)
K1
8(6
m O
UTPU
T)
(6m
IN
PUT)
(20/
30 m
)
(6/1
0/12
m)
C278
.01
C282
C284
C279
C277
.01
C283
C281
C280
C63
0.1
K1
3B
K13A
C151
C168
C176
C114
C121
C137
C85
C97
C103
C95
C101
C159
C170
C115
C127
C113
C105
K1
4B
K14A
L19
L21
L27
L30
L25
L26
L23
119
13
68 4
68
4
11913
C73
C77
C80
K1
1B
K11A
L14
L17
6
8
4
119
13
C83
C96
C102
C88
C100
C110
C104
K1
5B
K15A
L20
L22
L24
6
8
4
119
13
Elecraft
Rev.
Sh
t.
Date
By
C145
C162
C171
L29
L32
K1
8
K1
2B
K12A
C150
C167
C175
C158
C169
L28
L31
11
913
68
4
80 m
C87
C98
6m
11
,6
C216
C217
C234
C235
160
m
C64
C65
10/1
2 m
15/1
7 m
20/3
0 m
40/6
0 m
Low
-Pas
s Fi
lter
s
9,8
13
,4
K1
71
1,6
9,8 13
,4
K1
6
11
,6
9,8
13
,4
Rese
t =
160-
15m
; Se
t =
12-6
m
L34
2.0
C276
8.2
pF
* *
C259
5600
RX:
-20
dB@
0.5
MHz
A49
/19
/07
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
ByApp
endi
x B
K3 R
F Bo
ard
1011
12
P30
1314
1516
1718
1920
2122
2324
2526
2728
12
34
56
78
9
Fron
t Pa
nel
12
34
5
P35
AUX
BUS
/PTT_IN/DOT/DASH/KEY_IN
/CSRFMUXADR0ADR1ADR2ADR3MOSI
VRFADCFCT
X
RXDTXD
XVTR
ON
/SPI_23_EN
12
J10
J11
12V
Out
12V
In
D34
1N40
07
D6
SB53
0
F1 6AFD
S637
5Q2
G
DS
D28
BZW
50
-15
R76
2.7K
OUT
GND
IN
U1
3
OUT
A
OUT
B
INA
GND
INB
V+
NCNC
1 2 3 45678
U1
1TC
4427
OUT
GND
IN
U1
2
7R
7T8A
3 of
4
5A8A
5R
5T
MO
SIA
DR3
AD
R2A
DR1
AD
R0/C
SRFM
UX
SCK3
LD_X
VLD
_IO
LD_B
PF
MO
SI2
LD_S
YN2
LD_S
YN1
/CSP
LL2
/CSP
LL1
/CSD
DS2
/CSD
DS1
LD_I
F_S
LD_L
PFLD
_ATU
LD_I
F
MO
SI3
TDI
GND
TMS
VCC
GND
VCC
GND
TCK
VCC
TDO
GND
VCC
25 14 5 31 2122
1617
6308281815
24
3
26
1920
29
2723
32
24443
3642403938
41373534
IO IO IO IO IO IO IO IO IO IOIOIOIOIOIOIOIO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO
1 12 104 13 337 119
U7
CPL
DA
TF15
02
/SPI
_23_
EN
CH6
CH2
VEE
COM
CH5
INH
CH1
VSS
VDD
CH4
CH7
CH3
CH0
10111213141516
BA C
1 2 3 4 5 6 7 89
U6
V12
SPA
VRF
AD
CV
TPA
VIP
A
4051
R12
R11
MIS
O2
MIS
O3 2.
7K
C66
.01C5
4.0
1
VI_
LO
2.7K
VIF
GA
IN2
10
1112
1314
1516
1718
1920
12
34
56
78
9
J73
Synt
h 1
8A
/CSPLL1/CSDDS1
5A
LD_SYN1
10
1112
1314
1516
1718
1920
12
34
56
78
9
J74
Synt
h 2
8A5A
LD_SYN2/CSPLL2/CSDDS2
MOSI2MISO2SCK2
MOSI2MISO2SCK2
10
1112
1314
1516
1718
1920
12
34
56
78
9
P50
DSP
A.F
. I/
O
10
1112
1314
1516
1718
1920
12
34
56
78
9 P51
DSP
I.F
. I/
O
RX1_IF-
VIFGAIN1
100HZ
RX2_IF-VIFGAIN2VREFL
RX1_IF+
TXIF+RX2_IF+
VFWD
BK_PH_RLINEOUT_LBK_MICAF+
SPKR_LSPKR_RBK_PH_SW
LINEOUT_RBK_MICAF-
DIG0
TXIF-
C58
47
0µF
+
MC7
805A
CTM
C780
8ACT
C57
47
0µF
+
C56
22
0µF
+
LINE_IN+ LINE_IN-
ZXTC
1010
LOAD
IOUT
GND
VIN
NC1
2
3
45
U1
R36
0.05
Ω
VI_
LO
R13
1K
DIG
0R1
410
0
12A
RFC6 C3
1.0
47C4
2.0
47
RFC5
5A
/PW
R_O
N
C62
.01
C60
BT
13
V B
att.
ALCBK_PH_L
C220
.047
MO
SI3
MIS
O3
LD_I
F_S
100
+ -
12U
12PA
R77
2.7K
C226
.047
RFC4
0
C224
.047
C225
.047
VCO
1
VPL
L112A
VPL
L2
12A
SCK3
5A
5A
+
-
X
LOAD
DOUT
/OE
GND
VDD
DIN
SCK
VBB
Q10
Q7 Q6
Q1
Q5Q8
101112
Q3
13Q2
141516
NCNC
Q4
171819Q9
201 2 3 4 5 6 7 8 9
U10
A68
10
SCK3
LD_I
F5A
R82 R7
8
R79R8
1
R80
MO
SIN
B
MO
SI3
R78-
R82
= 10
0
PRE_
ON
PRE_
OFF
TXM
IXFI
L
R2
47
0
C246
.047
C247
.047
C248
.047
RX2
_IF
-RX
2_IF
+
5A
C69
.047
VPL
L2V
PLL1
10
1
2
3
4
5
6
7
8
9
P7
9
CPLD
Pg
m
HAGC1
HAGC
2
HAGC
2
12
34
56
78
J75
Ref.
/2nd
LO
/2nd
TX
100H
Z
TXM
IXFI
L
RFC2
310
0
7T
C222 0.1
1.8K
R5T
XIF-
TXIF
+
FL4
FL5
FL1
FL2
FL3
C255
.047
C254
C253
.047
C252
RFC4
31
00
RFC4
41
00
C35
10 µ
F
5A
NB1LVL
R87
47
0V
FWD
R88
47
0V
REFL
100H
Z
RFC4
7
10
µH
12D
12D
5D
5D
10 11 121 2 3 4 5 6 7 8 9
J64
BSu
b Rc
vr
C270
.01C2
650.
1
C271
.01
RFC4
8C2
72.0
4710
µH
BW1
BW3
BW2
MIS
OSC
K
MISOSCK
R91
100
SCK2
SCK3
ALT
(TB
D)
OUT GN
DIN
U1
778
L09
C45
10
µF
12A
LD_B
PF_S
LD_B
PF_S
+
12A
Q11
10K
R27
BC80
7
1µH
C35A
(not
use
d)
9V
R98
10K
R99
10K
5A
R10
0
1K
D35
1N40
07
F2 0.6A
W34
A49
/19
/07
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
By
App
endi
x B
K3 R
F Bo
ard
NE4
6134
15
0
C204
C202
C195
R60
R75
6.2Ω
R66
.047
10
0
68
10
0
Q8.0
47
R45
R37
R43
.047
15
C211
.047
12A
SCK3
MISO3MOSINB
LD_IFRF
C39
47 µ
H
NB1LVL
12A
5 67
+ -
U15B
3 21
+ -
8
4
U15A
14
2.7K
RP1
3
C201
0.1
C215
51
100K
R42
1K
R33
12
C214
1.0
µF
C200
0.01
C213
51
100K
R41
1K
R40
2.7K
RP1
16
C212
1.0
µF
C199
0.01
C48
64
-04
D226
4-0
4D
21
RFC2
71
00
D33
T54 3
1 2
GDS
Q1
C47
C46
R30
R29
R26
C44
R25
C43
RFC2
51
00
RFC2
41
00
C40
C39
J30
9
C198
22
0µF
10
0R3
912
A
+
.047
.047
.047
10
0
.047
22
1K
.047
0V =
MA
X GA
IN, 3
V =
MIN
LM83
3
27
C19
.01
C17
R23
.047
56
0
R21
10
0
C12
C11
RFC2
0RF
C18
R19
10
0
C10
C9
RFC1
7RF
C16
R18
10
0
C8
C7
RFC1
5RF
C14
R17
10
0C6
C5
RFC1
3RF
C12
R16
62
0
RFC1
11
00
Crys
tal
Filt
ers
FL4
FL3
FL2
FL1
VCO1
12
34
5
Z1
56
0
R63
Prea
mp
NE4
6134
22
0
47
0
C209
R67
R59
R62
R74
18 0.
1
R65
Q4
15
18
C210
.01
1K
R61
RFC1
01
00
R73
1K
C106
10
0
RFC9
10
0
7T
C207 68
RFC3
41
00
C221 .0
47
2 43
9 78
K10
Att
n.
C194
.047
R70
47
0
C206
68
C205
10
0
C15
C16
RFC3
81
00
RFC8
10
0
PRE_
OFF
C26
15
R20
10
0
C14
C13
RFC2
1RF
C19
C203
0.1
R68
8.2Ω
FL5
7R
C41
R22620
R15
1K
C4
R69
47
0
RFC3
51
00
R1
47
0
C208
.047
C193
.047
RFC37
10
0
-10
dB
4 of
4
T61 3
2 4
.047
D8
64
-04
D7
D9
D10
C21
15
D17
D18
C25
15
D15
C24
15
D13
C23
15
D11
C36
22
C22
22
D20
D19
C29
22
D16
C28
22
D14
C27
22
D12
D5
D4
D3
64
-05
D2
12A
C228
.047
RFC4
11
00
C233
.047
PRE_
ON
12
P8
6I.F
. O
ut
Q9 R56
8.2Ω
RFC2
910
0 µH
.047
C229
.047
8A
RFC4
21
00
C232
.047
6T
D1
.047
C242
.047
C243
.047
C245
.047
C244
.047
.047
2.7K
RP1
51 (n
ot u
sed)
8A
C237
.047
GSD
Q10
J30
9
C55
.01 R
81
K
RFC2
21
00
R9
22
0
C68
.047
C59
.047
7R
RX1
_IF
-
RX1_
IF+
C4-C
14
= .0
47
µFRF
C12-
RFC2
1 =
100
µH
R7
1.8K
51
8A
C196
.01
C197
.01D
29
BAV9
9
D30
C238
0.1
R86
4.7
M
HAGC
1
3 21
+ -
8
4U3
A
V-
V+1 2 3
5 4
67
8
U9
C249
1.0
µF
SA61
2
J81
RXLO
2
J65
TX
IF1
C20
.01TP
1
TLV
2462
R10
100 C2
50.0
47
R83
10
0
7R
-2
7R-
2
C37
.047
7T
-2
7T
-2
7T
R84
10
0
C256
.047
7R
7R-
2
(W6
)
C30
12
0
C34
.047
C32
.047
C258
.047
X1BW =
14
kHz
2nd
RXM
ixer
(W1
4)
P45A
P46A
P47A
P48A
P49A
P45
B
P46
B
P47
B
P48
B
P49
B
C262
.01
I.F.
Am
p
C38
.01
R6
30
0
R3
30
0
R24
18
8.23
0 M
Hz
(W7
)8.
215
MHz
R64
62
0
W1
7
W18
12
34
P45C
12B
12
34
P46C
12
34
P47C
BW3BW2BW1
RFC7
10
07T
C273
.047
W16
W2
2
Post
-am
p
(Not
on
re
v.
XA
PCB.
)
FL5
FL4
FL3
FL2
FL1
1011
121
23
45
67
89
J77
Noi
se
Blan
ker
HAGC
Det
.
5A
5 67
+ -
U3B
VIF
GA
IN1
FL5
/4/3
BW
Co
ntro
l
XF2
M1
M2
8A
BAV9
9D
38
+11
dB
R89
4.7K
1K
R10
1
L36
18
X2
C49
10
L37
27
C18
1
L39
2.8
L38
2.8
RFC5
01
00
C285
15
0
16:5
BPF_
IF
A49
/19
/07
511K
R85D
32
C4C5
X2X3
X4
C6C3
X1X5
C2C7
L1L2
C1C8
E6
6003
2:
8.21
25 M
Hz +
/- 2
00 H
z; L
m =
25
mH
+/-
2 m
H, C
o <
4 pF
, Q
> 1
00 K
E6
6002
7:
8.21
4 M
Hz +
/- 2
00 H
z; L
m =
25
mH
+/-
2 m
H, C
o <
4 pF
, Q
> 1
00 K
*
CACB
8.21
5 M
Hz
50
0 Ω
25
0 Hz
15
0 pF
7
50 p
F
750
pF
750
pF
75
0 pF
7
50 p
F 7
50 p
F
0
pF
2.3
µH
E660
027
8.21
5 M
Hz
50
0 Ω
600
0 Hz
0
pF
6
2 pF
47 p
F
62
pF
47
pF
sho
rt
62
pF
10
pF
16
µH
X1,
X3,
X5
= E6
6002
7; X
2, X
4 =
E660
032
8.21
5 M
Hz
50
0 Ω
100
0 Hz
6
3 pF
1
80 p
F
240
pF
180
pF
24
0 pF
1
80 p
F 2
40 p
F
0
pF
3.9
µH
E660
027
8.21
5 M
Hz
50
0 Ω
30
00 H
z
0 p
F
51
pF
51 p
F
51
pF
51 p
F
s
hort
51 p
F
0
pF
shor
t
E66
0032
(4-
crys
tal f
ilter
w/1
dB r
ippl
e; X
5 =
shor
t)
Fc
Zin/
out
BW @
-6
dB
C1,C
8
C2
C3
C4
C5
C6
C7
CA
,CB
L1,
L2
Crys
tal
p/n,
Ind
ucto
r W
indi
ngs,
Not
es
8.21
5 M
Hz
50
0 Ω
50
0 Hz
12
0 pF
4
70 p
F
390
pF
470
pF
39
0 pF
4
70 p
F 3
90 p
F
0
pF
2.8
µH
E660
027;
L1,
L2
= 24
T #
28 o
n T3
0-2
1 2
J1
1 2
J2
To
RF
Boar
d,
P45
A-P
49
ATo
RF
Bo
ard,
P4
5B-
P49
B
FL1
ALT
CC .01
CD .01
Filt
er
Mod
ule
NO
TES
:
2.
CC
and
CD
are
used
w
ith
a fil
ter
mod
ule
(FL1
).
All
othe
r co
mpo
nent
s ar
e on
ly
used
fo
r co
nstr
ucti
ng
a di
scre
te
filte
r.
3.
X1-X
5 ca
n be
ei
ther
2-
or
3-
lead
H
C49/
U ty
pes.
Gr
ound
ing
pads
ar
e pr
ovid
ed
for
both
.
2a1a
4a3a
W.
Burd
ick
E. S
war
tz
Elecraft
Rev.
Sh
t.
Date
By
1 of
1
KFL3
A F
ilter
Boa
rd
1.
This
PC
B ca
n be
us
ed
to
asse
mbl
e a
disc
rete
5-
pole
cr
ysta
l fi
lter
, or
as
a
carr
ier
for
filt
er
mod
ules
(I
NRA
D,
etc.
).
8.21
5 M
Hz
50
0 Ω
270
0 Hz
0
pF
11
0 pF
47 p
F
68
pF
68
pF
51
pF
68
pF
0
pF
sho
rt
E66
0032
8.21
5 M
Hz
50
0 Ω
30
00 H
z
0 p
F
62
pF
47 p
F
62
pF
47 p
F
s
hort
62 p
F
0
pF
shor
t
E66
0032
(4-
crys
tal f
ilter
w/0
.5 d
B rip
ple;
X5
= sh
ort)
8.21
5 M
Hz
50
0 Ω
20
0 Hz
12
0 pF
27
00 p
F
620
pF
1000
pF
100
0 pF
6
20 p
F 2
700
pF
0 p
F
2
.8 µ
H
E
6600
27
FL1
Filt
er
Mod
ule
21
43
C 7
/20/
07
Inst
all
filt
er
mod
ule
at
FL1
or
FL1
ALT
as
re
quire
d.
X1-X
5 m
ust
be
mat
ched
to
w
ithi
n +/
- 10
H
z.
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
Mounting Holes for
KIO3 Faceplate
2005
0425
01A
.1
KIO
3 M
ain
B
13
Mon
day,
Oct
ober
08,
200
7
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
She
et 2
BA
ND
2
/PW
R_O
N
/PTT
_IN
DTR
A
nKE
YO
UT
DIG
OU
T0
DIG
0
AU
XB
US
DIG
1
RTS
A
BA
ND
1R
XD
BA
ND
3
ALCTX
D
DIG
OU
T1B
AN
D0
She
et 3
BK
_MIC
_AF+
BK
_MIC
_AF-
LIN
E_I
N+
LIN
E_I
N-
BK
_PH
_LB
K_P
H_R
SP
KR
_LS
PK
R_R
SW
MIC
BIA
S
LIN
EO
UT_
LLI
NE
OU
T_R
BK
_PH
_SW
ALC
BK
_PH
_SW
BK
_PH
_RB
K_P
H_L
LIN
EO
UT_
RB
K_M
IC_A
F+
LIN
E_I
N+
/KE
Y_I
N
MO
SI_
3
+8T
+12S
W
+12U
NS
WA
UX
BIU
S
SP
KR
_R
MO
SI_
3
LD_I
O
MIC
BIA
S
RTS
A
/KE
Y_I
N
BA
ND
1B
AN
D0
BA
ND
2
DC
TRL1
nKE
YO
UT
DTR
A
DC
TRL3
/PW
R_O
N
RX
D
TXD
DIG
1D
IG0
LIN
E_I
N-
BK
_MIC
_AF-
LIN
EO
UT_
L
SP
KR
_L
+8R
+8R
LD_I
O
LD_I
O
/PTT
_IN
/PTT
_IN
DC
TRL2
DC
TRL0
BA
ND
3
DIG
OU
T0D
IGO
UT1
MIS
O_3
/RS
PK
EN
/RS
PK
EN
VC
C5
VC
C5
VC
C5
+12S
W
+12S
W
+12S
W
VC
C8A
VC
C5
+12S
W
U3 UA
78M
08C
DC
1 243
+VIN
GN
DTA
B
OU
T
R8
1K
U5 TP
IC6C
595D
3 4 5 6 11 12 13 14 9
2 15 7 10 8 1 16
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SD
O
SD
IS
CK
SC
LRR
CK
OE
VC
C
GN
D
TP1
GN
D
1 2A B
C28
100
pF
R18
10K
C16
0.1
uF
C22
0.1
uF
Q3
MM
BT39
04
1
23
Q7 M
MBT
3904
1
23
Q4
MM
BT39
04
1
23
RP
1A10
0K 18
C14
0.1
uF
RP
1D10
0K 45
R23 10
0R
P76
RF
Boa
rd
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
Q6
MM
BT39
04
1
23
C15
0.1
uF
Q8 M
MBT
3904
1
23
U2 UA
78M
05C
DC
1 243
+VIN
GN
DTA
B
OU
T
+C
1110
uF/
25V
U6 TP
IC6C
595D
3 4 5 6 11 12 13 14 9
2 15 7 10 8 1 16
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SD
O
SD
IS
CK
SC
LRR
CK
OE
VC
C
GN
D
RP
1B10
0K 27
MT1
1
Q5
MM
BT39
04
1
23
RP
210
K
123456789 10
C27
0.1
uF
R16 10
K
+C
810
uF/
25V
K1
DP
DT
32 4
89 7
1 10
MT2
1
RP
1C10
0K 36
R12
1K
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
ACC
PTT
RS23
2 CO
M
ACC
ALC
ACC
PWR
ACC
KEY
ACC
BND3
ACC
BND2
ACC
BND1
ACC
BND0
ACC
COM
ACC
DO0
RS23
2 RX
D
ACC
DO1
RS23
2 RT
S
ACC
DI1
RS23
2 TX
D
ACC
DI0
RS23
2 DT
R
ACC
AUX
+5V
Approximately 1 kHz
2005
0425
01A
.1
KIO
3 M
ain
- She
et 2
A
23
Mon
day,
Oct
ober
08,
200
7
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
TXD
RXD
_XR
TS_X
TXD
_XD
TR_X
AU
XB
US
DIG
1
DIG
OU
T1
nKE
YO
UT
BA
ND
2B
AN
D3
BA
ND
0
DIG
OU
T0
DIG
0
BA
ND
1/P
TT_I
NA
LC/P
WR
_ON
RX
D
RTS
AD
TRA
VC
C5
VC
C5
+12S
W
+12S
W
CN
310
00 p
F
8 1
7 2
6 3
5 4
R6 10
R
Q2 2N
7002
K
1
3 2
R5 2.
7K
R1
1K
+C
910
0 uF
/16V
R3 10
K
C7
0.01
uF
X7R
D1
BAT5
4S
13
2
C12
1000
pF
CN
410
00 p
F
8 1
7 2
6 3
5 4
C1
0.1
uF
L110
0 uH
+
C10
33 u
F/16
V
U1 LT10
39A
CN
123 45 67 8910 1112 1314 15 16
V+
R1i
n
T1ou
t
R2i
n
T2ou
t
R3i
n
T3ou
t
V-
GN
D
T3in
R3o
ut
T2in
R2o
ut
T1in
R1o
ut
VC
C
R2 1K
CN
210
00 p
F
8 1
7 2
6 3
5 4
C6
0.02
2 uF
X7R
R7
27K
Q1 M
MBT
3904
1
23
J90
D-S
ub IO
Boa
rd
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C2
0.1
uF
CN
110
00 p
F
8 1
7 2
6 3
5 4
R4
27K
C4
1000
pF
C3
0.01
uF
X7R
C13
1000
pF
C5
1 uF
/16V
DTR
AR
TSA
TXD
DIG
OU
T0
nKE
YO
UT
DIG
0
BA
ND
3
DIG
OU
T1
BA
ND
2
DIG
1
BA
ND
1/P
TT_I
N
/PW
R_O
NA
LC
AU
XB
US
BA
ND
0
RX
D
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
This resistor sets gain of mic preamp.
LOUT L
SP C
SP L S
PH L
SP L
PH SW1
PH R
LIN C
PH C
LOUT R
LOUT C
PH SW2
LIN L
SP R
MIC A
MIC C
2005
0425
01A
.1
KIO
3 M
ain
- She
et 3
B
33
Mon
day,
Oct
ober
08,
200
7
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
BK
_MIC
_AF+
BK
_MIC
_AF-
LIN
EJA
CK
_L
LIN
EJA
CK
_CO
M
LIN
EO
UT_
L
LIN
EO
UT_
R
BK
_PH
_SW
BK
_PH
_LB
K_P
H_R
LIN
E_I
N+
LIN
E_I
N-
MIC
BIA
S
SP
KR
_RS
W
SP
KR
_L
VC
C8A
VC
C8A
VC
C8A
VC
C8A
P25
INT
SP
KR
1 2
C21
470
pF
RP
3D
10K
45
J91
Aud
io IO
Boa
rd
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Q9 M
MBT
3906
1
2 3
C24
1000
pF
T3 TTC
-108
16
34
R10
2.7R
RP
3B
10K
2 7
R17
10K
+ -
U4A
LM83
3D
3 21
8 4
CN
60.
1 uF 8
1
72
63
54
R24 62
R
C23
1000
pF
CN
510
00 p
F
81
72
63
54
T2 TTC
-108
16
34
C19
1 uF
T1 TTC
-108
16
34
R14
5.6K
RP
3A
10K
18
R13
604R
C20
1000
pF
C18
1000
pF
+C
1710
uF/
25V
R20
604R
R9
2.7R
R15 10
K
RP
3C
10K
3 6R
22
10K
C25
1000
pF
R21
10K
+ -
U4B
LM83
3D
5 67
8 4
R19
604R
R11
2.7R
C26
470
pF
BK
_MIC
_AF+
BK
_MIC
_AF-
SP
KR
_RS
W
LIN
EO
UT_
L
LIN
EO
UT_
R
BK
_PH
_RB
K_P
H_L
BK
_PH
_SW
LIN
E_I
N+
LIN
E_I
N-
MIC
BIA
S
SP
KR
_L
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
RS232 COM
RS232 DTR
RS232 TXD
RS232 RTS
RS232 RXD
ACC COM
ACC BND0
ACC BND1
ACC BND2
ACC BND3
ACC KEY
ACC PWR
ACC ALC
ACC PTT
ACC AUX
ACC DI0
ACC DI1
ACC DO1
ACC DO0
Frame Ground
Frame Ground
Frame Ground
Frame Ground
2005
0425
01XC
1
KIO
3 - D
Sub
RS
232
IO B
oard
B
11
Wed
nesd
ay, F
ebru
ary
14, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
DTR
_X
SE
R_C
TXD
_X
DIG
0_X
KE
Y_X
BN
D2_
XB
ND
3_X
ALC
_X
PWR
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DIG
O_X
DIG
1_X
DIG
O1_
X
AUX_
X
BN
D0_
X
PTT_
X
BN
D1_
X
RXD
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TS_X
CN
410
00 p
F
8 1
7 2
6 3
5 4
J24
RS
232
5948372611011
CN
310
00 p
F
8 1
7 2
6 3
5 4
L410
0 uH
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00 p
F
J23
AC
C
15104149313821271116 5 16 17
RP
422
0R1 2 3 4
8 7 6 5R
P2
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L110
0 uH
CN
1
1000
pF
81
72
63
54
L310
0 uH
RP
122
0R
1234
8765
CN
2
1000
pF
8 1
7 2
6 3
5 4
P90
KIO
3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
L210
0 uH
R1
220R
RP
322
0R1 2 3 4
8 7 6 5
CN
510
00 p
F8 1
7 2
6 3
5 4
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
PH C
SP L S
LOUT R
SP L
LOUT L
SP L C
MIC C
LIN C
SP R
Frame Ground
LIN L
MIC A
PH SW1
LINE C
PH SW2
PH R
PH L
2005
0425
01XC
2
KIO
3 - A
udio
IO B
oard
A
11
Wed
nesd
ay, F
ebru
ary
14, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
SP
K_R
MIC
_C
SP
K_L
C
LIN
EJA
CK
_L
SP
K_L
SS
PK
_L
LIN
EJA
CK
_R
PH
_SW
1
PH
_L
PH
_SW
2
PH
_R
LIN
EJA
CK
_CO
M
LIN
_LX
PH
_C
MIC
_A
LIN
_CX
R1
2.7R
L13
BE
AD
CN
210
00 p
F
8 1
7 2
6 3
5 4
CN
40.
1 uF
8 1
7 2
6 3
5 4
P91
KIO
3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
J21
LIN
E IN
2 4 5 1
L310
0 uH
L910
0 uH
L110
0 uH
J22
LIN
E O
UT
2 4 5 1
L610
0 uH
L410
0 uH
L14
BE
AD
L10
100
uH
CN
110
00 p
F
8 1
7 2
6 3
5 4
L11
100
uH
J19
PH
ON
ES
6 71 4 83 5
L510
0 uH
CN
30.
1 uF
8 1
7 2
6 3
5 4
L16
BE
AD
L15
BE
AD
MH
1G
roun
ding
Tab
1
MH
2G
roun
ding
Tab
1
J18
SP
EA
KE
RS
2 4 5 1
J20
MIC
2 4 5 1
R2
2.7R
L210
0 uH
L710
0 uH
L810
0 uH
L12
100
uH
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
By
1 of
1
SA1
J69A
To
J7
R1 560K
(A
NT1)
10
1112
1314
1516
1718
1920
12
34
56
78
9
J70
RF
Boar
dL313
.0 µ
H
C52-
15 p
FC6 22
pF
KANT
3 A
nt.
Inpu
t M
odul
e
8.2
MH
z Tr
ap
L113
6 nH
C2 4.7
C1 39
C3 39
L2 96 n
H
C4 3900
6-m
LP
F
R. F
riess
NO
TES:
1.
A
ll pa
rts
are
thro
ugh-
hole
.
2.
A
djus
t L2
an
d C5
fo
r m
inim
um
8.21
5-M
Hz
leak
thro
ugh.
3.
=
mou
nted
on
bott
om s
ide
of P
CB.
12
J72
1/2
1/07
XB5
2N3904
Q3
1.2K
R9
1.5K
R8
330
R5
C26
0.1
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
By
1 of
1
V-
V+1 2 3
4 5
67
8
U3SA
612
C12
0.1
C15
C16
3933
X2X3
X4
C14
33X1C1
339
C6 0.1
1KR6
C20
0.1
C19
0.1
GND
OUT
145V
VC NC
1 2
7
8
Z1
11
4
L2 27
CLR
CLKVc
c
GND
1Q 1Q1D
2Q 2Q2D
154Q
144Q
103Q
113Q
134D
123D
16
1 9
2 34
7 65
8
U2
74V
HC17
5
Div
ide
by
6
/RST
VddV
ss1 2
3
U1M
CP80
9T-4
50
1 2 3 4 5 6 7 8
P7
5 J6
Mai
n RX
LO2
C1 0.1
C2 100
C18
39
81 K1
D1
2N3904
Q2
R4J
7
8.21
5 M
HzT
XIF
1
KREF
3
REF/
2ND
TX
IF
330
J1
Sub
Ref.
C8 0.1
L5 27
C11
0.1
TX
Mix
er
L1 27
R2 1KR1 33
0
C4 0.1
TXIF
2 (1
5 KH
Z)C2
20.
1
L6 27
C3 0.1
C28
0.1
J3
Ext.
Re
f.1.2K
R7 C5 0.1
C27
0.1
J2
Mai
n Re
f.
C7 0.1
J5
Sub
RXLO
2
100
HZ
C24
0.1
1N91
4
R3 15
L4 27
C23
0.1
330
R15
R14
330
330
R11
R10
150
330
R13
R12
150
VCTR
L
5V
R17
330
R18
750
C10
0.1
100
HZ
TXM
IXFI
L
RF
Boar
d24
3
75
6
K1
R16
68
5V
C21
0.1
MX
XF
7T
IN
2V5V
7T
Fc =
821
5.0
kHz,
BW
=4 k
Hz
Fxta
l = 8
212.
5 kH
z CU
TJ4
-6
to
U2
-9
49.3
80
TX M
IX O
UT
12345678
J4
Ext.
Sy
nc.
Mod
ule
XD 3
/3/0
7
1K
.01
6.8K
C36
R34
R35
.01
C51
.27
C52
10
KR3
6
C9
R26
0.1
39
0
L650
µH
2N39
04
Q3
R21
12
12T,
FT3
7-43
10
1112
1314
1516
1718
1920
12
34
56
78
9
P73
C11
0.1
C13
0.1
C17
.01
C31
.01
Am
p R23
47
0
R24
47
0
FS
AD
J
/FS
YN
C
A V
dd
D V
dd
RE
SE
T
SL
EE
P
SD
AT
A
IOU
TB
CO
MP
DG
ND
MC
LK
FS
EL
PS
EL
SC
LK
SIG
N
IOU
T
AG
ND
VR
EF
CA
P
Vin
10
11
12
13
14
15
16
17
18
19
20
1 2 3 4 5 6 7 8 9
U2
AD9
834
C24
.01
C22
.01
R25
20
0
C25
0.1
C19
0.1
R22
6.8K
C23
0.1
L9 27 µ
H
C26
0.1
L5
27 µ
H
L4
27 µ
H
C15
0.1
CPGN
D
DVDD
AVDD
RSET
AGN
D
DA
TA
DGND
RFB
RFA
MU
X
REF
CLK
CP
VP
LE
10111213141516
CE
1 2 3 4 5 6 7 89
U3A
DF40
01
DD
S
R12
10
K
C50
12
0
5V
ZXCL
300E
5
GND
N/COU
TIN EN
1 2 345
U6
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
By
K3
Sy
nthe
size
r
DDS
C49
0.1
10 µ
FC4
1
0.1
C39
L727
µH
0.1
C38
10 µ
FC3
7
X3
R13
20
0
PLL
C64
C65
C68
47
10
47
L1L2
39
µH3
9µH
100K
R17
2N39
04
Q6
R20
51
1K
R16
3V
L3 27 µ
H1
00
R15
0.1
C47
/CSD
DSB
/CSP
LLB
MO
SI2B
SCK2
B
10
KR1
4
VPL
L
1N41
48
100K
MM
BV10
9
J31
0
C33
C28
0.1
R32
R29
D8
Q1
D9
D10
22
10
GD S
VC
O
C21
0.1
J31
0Q2
GD S
2.7K
R31
C27
0.1
R27
22
33
0R3
0
0.1
C53
1 of
1
3V
5V
Cry
stal
Fi
lter
8-4
6
MH
z
SCK2
BM
OSI
2B
BA
DC
E F
T1
75
6
24
3 K2
75
6
24
3
K1
75
6
24
3
K3
C4
SCK2
/2O
E
/3O
E
/4O
E
/1O
E
GND
VCC
2A
4A
3Y
3A
4Y
2Y
1011121314
1Y
1A
89
1 2 3 4 5 6 7
U7
74LC
X125
/CSD
DSB
/CSP
LLB
MO
SI2
MO
SI2B
SCK2
B
LD_S
YN
2N39
04
Q5R1
082
K
1N57
11D
6M
MBD
91
4D
5
C7 .01
R28
1.8K
8B
ALC
C6 11
0
C5
30
L Se
lect
1K
R7
C3 30
D4
BAP6
4-0
4
1K
R6
C2 15
D3
1K
R5
C1 7.5
D2
.01
C45
K1
K2
18
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q6
/Q4
/Q3
/Q7
/Q5
GND
1015 11 6 12 1416
/G9
2 31 4 5 13 7 8
U1
5VM
OSI
2
12V
TPIC
6C59
5N .01
C44
SCK2
LD_S
YN
K3
47
0R
8
8B
+13
DBM
15
KR3
3
6 57
- +
8 4
U5A
8B
3V
OP2
84
3 21
+ -
U5B
L839
µH
0.1
C12
=
On
top
side
of
PC
boa
rd.
0.1
C48
.01
C57
.01
C54
C55
C56
.01
C59
0.1
C58
R38
100K
2.2
uFC6
2
12V
X2X1
C66
12
XBXF
J83
C69
10 µ
F
J84
VCO
Out
49.3
8 M
Hz
33
0R1
1
Z =
500
Z =
200
C10
0.1
MIS
O2
R41
15
K
R40
8.2K
0.01
C16
C20
.022
1 34
+ -
5 2
U4
5V
VPL
L
LMV
321
VP
R9
75
C14
0.1
CP
X4 C67
10
MIS
O2
Q42N
7002
C18
0.1
-6 d
B @
+/
- 1.
2 kH
z
8A
0.1
C60
8B
R39
22
C61
470
µF
+
8B
AB
AE
22
C35
C34
47
VCO
8.7-
46 M
HZ
VCO
LF
3LF
LDLPF
VT
3V
DTFS
CSP CK
VCO
DET
GT
DR
+10
dB
12V
12
0C2
9
12
0C3
0
C71
12
C70
12
1K
R18
C8 68
D1
C32
LPF
Fpll
= ~2
2 kH
z
MIS
O2
(1.0
or
0.25
µH,
Pri:
9t #
26,
bifil
ar;
Sec:
3t
#26)
B,D=
Grn
A,C
=Red
A27
/25
/07
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
PC
B R
evis
ion
AN
OTE
S:
2004
0706
01A
0
Ele
craf
t K3:
Fro
nt P
anel
A
17
Sun
day,
Jun
e 24
, 200
7
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
LCD
LCDLC
DS
CL
LCD
DI
LCD
CE
LCD
MO
DE
VC
ON
TRA
ST
PO
WE
R
PO
WE
R
12V
_SW
12V
_UN
SW
PO
WE
RH
OLD
ON
/PW
RO
N
VP
WR
_SW
V12
MO
N
3VBA
TT
SD
AS
CL
LED
S
LED
SVLE
DB
RT
VLC
DB
KLT
MO
SI
SC
KLO
AD
MIC
BIA
S
MC
U
MC
U
LCD
SC
LLC
DD
ILC
DC
ELC
DM
OD
E
/PW
RO
N
VC
ON
TRA
ST
VR
1FR
ON
TV
R1R
EA
R
VR
2FR
ON
TV
R2R
EA
R
VFP
AD
CM
UX
MIS
CE
NC
MU
X
MA
INE
NC
BM
AIN
EN
CA
VLC
DB
KLT
VLE
DB
RT
RIT
EN
CA
RIT
EN
CB
SU
BE
NC
AS
UB
EN
CB
12V
_SW
12V
_UN
SW
VP
WR
_SW
V12
MO
N
PW
RH
OLD
ON
AD
R[2
:0]
MO
SI
SC
KLO
AD
VM
ICB
TN
MIS
O
/PTT
/DS
P1B
US
Y/D
SP
2BU
SY
VSM
TR/C
SD
SP
1/C
SD
SP
2/C
SD
SP
LOA
D
3VB
ATT
MU
TE
/EN
C_E
N
DS
P1D
ATA
DS
P2D
ATA
VFA
DC
TAP
SC
LS
DA
SW
ITC
HE
S
SW
ITC
HE
S
AD
R[2
:0]
VFP
AD
CM
UX
MIS
CE
NC
MU
X
MA
INE
NC
AM
AIN
EN
CB
SU
BE
NC
A
RIT
EN
CA
SU
BE
NC
B
RIT
EN
CB
/EN
C_E
N
VFA
DC
TAP
MIS
CE
LLA
NE
OU
S
MIS
CE
LLA
NE
OU
S
VR
1RE
AR
VR
1FR
ON
TV
R2R
EA
RV
R2F
RO
NT
VM
ICB
TN
/PTT
MIC
BIA
S
LCD
CE
PW
RH
OLD
ON
12V
_SW
/PW
RO
N
VC
ON
TRA
ST
LCD
MO
DE
LOA
D
VP
WR
_SW
LCD
DI
LCD
SC
L
12V
_UN
SW
3VBA
TT
MO
SI
VLC
DB
KLT
VLE
DB
RT
V12
MO
N
SC
K
RIT
EN
CB
/DS
P2B
US
Y
/CS
DS
P1
/EN
C_E
N
VR
1RE
AR
/PTT
VSM
TR
SU
BE
NC
B
MO
SI
VFP
AD
CM
UX
SU
BE
NC
A
VR
2RE
AR
DS
P2D
ATA
VR
2FR
ON
T
VFA
DC
TAP
VM
ICB
TN
MU
TE
AD
R[2
:0]
SC
KM
ISO
MIS
CE
NC
MU
X
RIT
EN
CA
MA
INE
NC
B
DS
P1D
ATA
MA
INE
NC
A
/DS
P1B
US
Y
/CS
DS
PLO
AD
/CS
DS
P2
VR
1FR
ON
T
SC
LS
DA
MIC
BIA
S
J31
FP-D
SP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:
R54
set
s LC
D d
river
cur
rent
.
R57
set
s LC
D d
rive
frequ
ency
.
LCD
pin
out i
s R
ev F
.
U2
K[0
..4] t
o us
e se
para
ble
vias
to g
roun
d fo
r deb
ug/
deve
lopm
ent.
PC
B R
evis
ion
A
2004
0706
01A
0
Ele
craf
t K3:
Fro
nt P
anel
- LC
D
B
27
Sun
day,
Jun
e 24
, 200
7
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
CO
M3
CO
M4
SE
G1
SE
G2
SE
G3
SE
G4
SE
G5
SE
G6
SE
G7
SE
G8
SE
G9
SE
G10
SE
G11
SE
G12
SE
G13
SE
G14
SE
G15
SE
G16
SE
G17
SE
G18
SE
G19
SE
G20
SE
G21
SE
G22
SE
G[1
..60]
CO
M1
CO
M2
CO
M[1
..4]
LCD
SC
LLC
DD
I
LCD
CE
LCD
MO
DE
SE
G60
SE
G59
SE
G58
SE
G57
SE
G56
SE
G55
SE
G54
SE
G53
SE
G52
SE
G51
SE
G50
SE
G49
SE
G48
SE
G47
SE
G46
SE
G45
SE
G44
SE
G43
SE
G42
SE
G41
SE
G40
SE
G39
SE
G38
SE
G37
SE
G36
SE
G35
SE
G34
SE
G33
SE
G32
SE
G31
SE
G30
SE
G29
SE
G28
SE
G27
SE
G26
SE
G25
SE
G24
SE
G23
SE
G22
SE
G21
SE
G20
SE
G19
SE
G18
SE
G17
SE
G16
SE
G15
SE
G14
SE
G13
SE
G12
SE
G11
SE
G10
SE
G9
SE
G8
SE
G7
SE
G6
SE
G5
SE
G4
SE
G3
SE
G2
SE
G1
SE
G28
SE
G29
SE
G32
SE
G24
SE
G26
SE
G30
SE
G31
SE
G25
SE
G23
SE
G33
SE
G27
SE
G41
SE
G34
SE
G40
SE
G47
SE
G36
SE
G39
SE
G38
SE
G44
SE
G42
SE
G46
SE
G35
SE
G43
SE
G45
SE
G37
SE
G50
SE
G49
SE
G48
SE
G51
SE
G55
SE
G52
SE
G54
SE
G53
SE
G59
SE
G58
SE
G57
SE
G56
SE
G60
CO
M2
CO
M4
CO
M3
CO
M1
LCD
DI
LCD
CE
LCD
SC
L
LCD
MO
DE
VC
C5
VC
C5
VC
C5
J36
OLE
D
1 2 3 4 5 6 R20
100K
D15 BA
T54
1 3
R13
1K
DS
1
K3
Cus
tom
LC
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CB
Rev
isio
n A
2004
0706
01A
0
Ele
craf
t K3:
Fro
nt P
anel
- S
witc
hes
B
77
Sun
day,
Jun
e 24
, 200
7
Title
Size
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umen
t Num
ber
Rev
Dat
e:S
heet
of
SC
AN
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evis
ion
AN
OTE
S:
2004
0511
01A
1
K3
DS
P IF
: Top
B
19
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
MIS
C
MIS
C
/EN
DV
R
MM
OSI
MS
CK
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RC
SC
MD
MM
ISO
RX
1_IF
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IF-
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RE
F
HA
GC
1
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ALC
LIN
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MIC
IN
TXIF
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IFQ
VIF
GA
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KR
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PK
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LIN
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T
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OE
N
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IBO
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PC
MD
SP
2
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OB
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PH
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SP
KR
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N
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0A
UX
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+12V
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P IF
: Ana
log
Inte
rface
A
29
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
HA
GC
1
BK
_PH
_SW
/AU
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SP
DE
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CK
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MM
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BB
AA
NO
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:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P IF
: DA
C A
udio
A
39
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
+12V
VC
C5A
+
C15
10 u
F/25
V
+
C9
10 u
F/25
V
C11
33 p
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0.47
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uF
R1
100K
+C
22 10 u
F/25
V
R9
20K
C19
0.47
uF
C6
0.1
uF
R3
2.7R +
C4
1 uF
/25V
U1
LM49
50TS
1 2
3
4 567 8
9
INA
SH
UTD
OW
N
OU
TA
GN
DG
ND
VD
D
OU
TB
BY
PA
SS
INB
SP
KR
_L
SP
KR
_R
LHP
OU
T
MU
TE1
LOU
TLI
NE
OU
T_L
LIN
EO
UT_
R
PH
ON
ES
_L
PH
ON
ES
_R
UP
HP
CLK
RH
PO
UT
RO
UT
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P IF
: CO
DE
CS
B
49
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
LRC
LKP
CM
1804
CLK
3MH
Z
DS
PD
X0
AIC
AD
C
PC
MA
DC
TCLK
0
/RS
T
MM
OSI
MS
CK
/AIC
CS
VM
ID
RX
1_B
IF+
RX
1_B
IF-
RX
2_B
IF+
RX
2_B
IF_
RH
PO
UT
LHP
OU
T
LRC
LKA
IC23
AIC
BC
LK
TCLK
0
MIC
IN
BK
_MIC
AF-
BK
_MIC
AF+
LIN
E_I
N-
LIN
E_I
N+
MIC
S0
MIC
S1
MIC
S2
MIC
S[2
..0]
LRC
LKA
IC23
AIC
AD
C
RH
PO
UT
LHP
OU
T
RLI
NE
INLL
INE
IN
MS
CK
MM
OSI
/LIN
CS
TCLK
0
AIC
BC
LK
DS
PD
X0
VM
IDL
RO
UT
LOU
T
LRC
LKLI
NV
CC
3
VC
C3
VC
C5A
VC
C3A
VC
C3 V
CC
3
VC
C8A
VC
C8A
VC
C8A
VC
C8A
VC
C5A
VC
C3A
VC
C3 V
CC
3AV
CC
3
LHP
OU
T
R24
1K
+ -
U5B
LM83
3D
5 67
8 4
R14
10K
U4
74H
CT4
053M
12 34
5 678
9101112 1314 15 16
Y1
Y0
Z1Z
Z0 INH
VE
E
GN
DZCY
CX
C
X0
X1
X Y
VC
C
U23
PC
M18
04D
B
1 234 5
6 7 8 9 10 11 12 131415 161718 1920 21
22 232425 26 2728
Vre
fL
Agn
dLV
com
L
Vin
LV
inL
FMT0
FMT1 S/M
OS
R0
OS
R1
OS
R2
BY
PA
S
DG
ND
VD
D
DA
TA/D
SD
L
BC
K/D
SD
LLR
CK
/DS
DB
CK
SC
KI
RS
T
OV
FRO
VFL
VC
C
AG
ND
Vin
RV
inR
Vco
mR
Agn
dR
Vre
fR
C42
0.1
uF
C33
1 uF
R27 2.
2K
C80
0.1
uF
R23
1K
R13
10K
AIC
AD
C
C45
0.1
uF
C44
0.1
uF
+ -
U5A
LM83
3D
3 21
8 4C
36
1 uF
+C
4710
uF/
25V
C30
100
pF
C34
1 uF
C28
0.1
uF
C89
0.1
uF
U7
TLV
320A
IC23
B
2019
1 1123 24 21 22 27 2864 53 257 2 8 1514
18 17910 1626
1213
LLIN
EIN
RLI
NE
IN
BV
DD
HP
GN
D
SD
INS
CLK CS
MO
DE
DV
DD
DV
SS
DO
UT
DIN
LRC
INB
CLK
XTI
/MC
LK
LRC
OU
T
CLK
OU
T
HP
VD
D
AV
SS
AV
DD
MC
IN
MC
BIA
S
LHP
OU
TR
HP
OU
T
VM
IDX
TO
LOU
TR
OU
T
C31
0.1
uF
R20
1K
C10
80.
1 uF
+ -
U6A
LM83
3D
3 21
8 4
U29
TLV
320A
CC
23
1 1123 24 21 22 27 284 53 25 2 8 1514
910 1626
1213
BV
DD
HP
GN
D
SD
INS
CLK CS
MO
DE
DV
DD
DV
SS
DIN
LRC
INB
CLK
XTI
/MC
LK
CLK
OU
T
HP
VD
D
AV
SS
AV
DD
LHP
OU
TR
HP
OU
T
VM
IDX
TO
LOU
TR
OU
T
+ -
U6B
LM83
3D
5 67
8 4C
4310
0 pF
R25 1K
R26
1K
C10
710
uF
10v
EC
J
RH
PO
UT
R16
10K
C48
0.1
uF
C41
0.1
uF
R17
1K
R18
1K
R21
49.9
K
+C
4010
uF/
25V
R22 2.
2K
R15
100K
LRC
LKA
IC
C37
1 uF
C32
100
pF
R19 1K
DS
PD
X0
MM
OSI
MS
CK
/AIC
CS
RX
1_B
IF+
RX
1_B
IF-
RX
2_B
IF+
RX
2_B
IF-
LHP
OU
TR
HP
OU
TA
ICA
DC
AIC
BC
LK
LRC
LKP
CM
1804
CLK
3MH
Z
PC
MA
DC
TCLK
0
/RS
TLRC
LKA
IC23
MIC
INBK
_MIC
AF+
BK
_MIC
AF-
LIN
E_I
N+
LIN
E_I
N-
MIC
S[2
..0]
LOU
TR
OU
T
LRC
LKLI
N
/LIN
CS
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
IF D
SP
: DS
P a
nd L
ogic
B
59
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
TRST
DS
P1D
ATA
A
EM
U0
TMS
TDI
TCK
TDO
/DS
P1B
US
YA
EM
U1
/INT1
/INT0
/HO
LD/S
HZ
/INT3
/INT2
/RS
TDS
P
A14
A11
D5
/PA
GE
1
A9
D3
A8
D15
A2
A12
A0
/PA
GE
0
D11
A4
/INT3
D2
D6
A17
/RD
Y
A6
D4
A13
A10
D14
D1
D10
/INT2
D7
A16
/HO
LD
A5
D13
D9
/WR
A18
/INT1
A3
D0
/INT0
D12
A15
D8
A7
A1
A14
A12
A6
A9
A11
A13
A3
A0
A7
A16
A4
A5
A15
A8
A1
A2
A10
D2
D7
D4
D0
D3
D5
D1
D6
DS
PFS
R0
TCLK
0
AIC
BC
LK
DS
PC
LKR
0D
SP
DR
0
DS
PFS
X0
/WR
/PA
GE
1/R
D
/SH
Z
DS
PD
X0
/PA
GE
3
H1
CTD
O
CTM
SC
TDI
CTC
K
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
CTD
O
CTC
K
CTM
S
CTD
I
/RS
T
/RS
T
TRST
TMS
TDO
TCK
TDI
EM
U1
EM
U0
TCK
/SP
IBO
OT
MO
SI
/RS
T5S
CK
/CS
DS
PLO
AD
/DS
PR
ST
/DS
PR
ST2
/SP
IBO
OT2
MIC
S0
MIC
S1
MIC
S2
MIC
S[2
..0]
/DS
PR
ST
/SP
IBO
OT
TCLK
1
/RD
Y/W
RH
1 /PA
GE
0
/PA
GE
3/P
AG
E1
A1
A0
/RS
TDS
P
AU
XD
SPSF
XLR
CLK
PC
M18
04C
LK3M
HZ
DS
PD
R0
/INT1
/INT0
/INT2
/INT3
MU
TE1
UP
LRC
LKLI
N
HP
CLK
TCLK
0/A
ICC
S/L
INC
STC
LK1
DS
PC
LKR
0D
SP
FSR
0
/RD
A3
A2
MM
ISO
MM
OSI
MS
CK
/DV
RC
SC
MD
/AD
CC
S/S
PIB
OO
T/D
AC
CS
/CS
DS
P1
DIG
0AM
UTE
100H
Z/C
SD
SP
2/M
ISO
EN
/RS
T
DS
PFS
X0
AU
XD
0
AU
XD
1
AU
XDSP
DX
LED
ST2
LED
ST1
/PA
GE
0
/PA
GE
3
D8
D9
D10
D11
D12
D13
D14
D15
CTD
I
CTC
K
CTM
S
MO
SI
SC
K
DS
P2D
ATA
/EN
C1
PRG
EXP
MIC
S0
MIC
S1
MIC
S2
/EN
C1
PRG
EXP
MIC
S0
MIC
S1
MIC
S2
/DS
PR
ST
/TX
DA
CC
SLR
CLK
DA
C
CTD
OC
TDO
B
A17
A18
/EN
C2
/EN
DV
R
AIC
AD
CS
MIS
O
PC
MA
DC
SS
CK
SM
OS
I
PC
MD
SP
2
LRC
LKA
IC23
AIC
BC
LK
VC
C3
VC
C3
VC
C3
VC
C2
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
+5V
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
R46
10K
R41
10K
C63
10 p
F
R44
10K
U22 TP
IC6C
595D
3 4 5 6 11 12 13 14 9
2 15 7 10 8 1 16
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SD
O
SD
IS
CK
SC
LRR
CK
OE
VC
C
GN
D
R33
10K
U16 TM
S32
0VC
33PG
E
1029910098 103 96 95
127
122
121
120
119
36 35 33 324241 47 48 124
128
125
444530 29 27 26 24 22 21 20 19 17 16 14 13 11 10 8 7 5 4 3 93 92 91 90 88 87 85 84 82 81 79 78 76 75 74 73
104
111
130
106
11038 39 131
134
114
113
133
132
117
116
138
1396 15 23 31 37 43 53 60 69 77 86 94 108
115
129
143 12 28 46 66 83 101
123
137 494034251892 8980726356
97 105
112
118
126
140
1 144
142
141
71 70 68 67 65 64 62 61 59 58 57 55 54 52 51 50
107
109
136
135
TMS
TDO
TDI
TCK
TRS
TE
MU
0E
MU
1
RE
SE
T
INT0
INT1
INT2
INT3
PA
GE
0P
AG
E1
PA
GE
2P
AG
E3
R/W
STR
B
HO
LDH
OLD
A
ED
GE
MO
DE
SH
ZM
CB
L/M
P
IAC
K
RD
YA0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19 D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
DR
0
DX
0
EX
TCLK
FSR
0
FSX
0
H1
H3
PLL
Vdd
PLL
Vss
TCLK
0TC
LK1
XIN
XO
UT
XF0
XF1
RS
V0
RS
V1
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
CV
DD
CV
DD
CV
DD
CV
DD
CV
DD
CV
DD
CV
DD
CV
DD
VS
SV
SS
VS
SV
SS
VS
SV
SS
VS
S
VS
SV
SS
VS
SV
SS
VS
SV
SS
VS
SV
SS
VS
SV
SS
VS
S
A20
A21
A22
A23
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
CLK
R0
CLK
X0
CLK
MD
0C
LKM
D1
PG
1
R42
10K
R47
10K
R35
33R
R43
10K
R53
220R
R31
10K
U10 SS
T39V
F800
A
171819202122232425 2627
28
29 3031 3233 3435 36 3738 3940 4142 4344 45 46
164812345678 11
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
VS
SO
E
D0
D8
D1
D9
D2
D10D3
D11
VD
DD4
D12D5
D13D6
D14D7
D15
VS
S
A18
A16
A15
A14
A13
A12
A11
A10
A9
A8
WE
P57
JTA
G -
CP
LD
1 2 3 4 5 6 7 8 9 10
R51
10K
U13 SN
74LV
C12
5A
12 7
3 14
5 46
9 10 12 13
8 11
1OE
1A GN
D
1Y
VC
C
2A 2OE
2Y
3A 3OE
4A 4OE
3Y 4Y
U11
74H
C13
8M
1 2 3 6 4 5
15 14 13 12 11 10 9 716 8
A B C G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
VC
CG
ND
R36
10K
R45
10K
R40
10K
U17 EP
M24
0TQ
FP10
0
1 2 3 4 5 6 7 8 15 16 17 18 19 20 21 26 27 28 29 30 33 34 35 36 37
38 39 40 41 42 47 48 49 50 51 52 53 54 55 56 57 58 61 66 67 68 69 70 71 72 73 74 75 76 77 78 81 82 83 84 85 86 87 88 89 90 91 92 95 96 97 98 99 100
12 14 62 64 43 44
23 22 24 25
11 65 10 32 46 60 79 9313 63 9 31 45 59 80 94
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO
IO/G
CLK
0IO
/GC
LK1
IO/G
CLK
2IO
/GC
LK3
IO/D
EV
_OE
IO/D
EV
_CLR
n
TDI
TMS
TCK
TDO
GN
DIN
TG
ND
INT
GN
DIO
GN
DIO
GN
DIO
GN
DIO
GN
DIO
GN
DIO
VC
CIN
TV
CC
INT
VC
CIO
1V
CC
IO1
VC
CIO
1
VC
CIO
2V
CC
IO2
VC
CIO
2
PG
2
D4
STAT
US1
21
R62
330R
R37
100R
R38
10K
R48
10K
R39
10K
P59
JTA
G-D
SP
12
34
56
78
910
1112
1314
R32
10K
R54
220R
R34
10K
R52
10K
D3
STAT
US2
21
Y1
14.7
456
MH
z
C62
10 p
F
R58
10K
U21 MC
P12
0D
12 3
RS
TV
DD
VS
S
TCLK
0
/DS
P1B
US
YA
DS
PD
X0
/RS
T
/CS
DS
PLO
AD
MO
SI
SC
K/D
SP
RS
T2/S
PIB
OO
T2/R
ST5
MIC
S[2
..0]
AU
XD
SPFS
XLR
CLK
PC
M18
04C
LK3M
HZ
MU
TE1
UP
LRC
LKLI
N
HP
CLK
/AIC
CS
/LIN
CS
AU
XDSP
DX
MM
ISO
MM
OSI
100H
Z
MS
CK
/DV
RC
SC
MD
/AD
CC
S
/DA
CC
S/C
SD
SP
1D
IG0A
/CS
DS
P2
/MIS
OE
N
DS
P1D
ATA
A
DS
P2D
ATA
LRC
LKD
AC
/TX
DA
CC
S
PRG
EXP
CTD
OB
/EN
C1
/EN
C2
/EN
DV
R
SM
ISO
LRC
LKA
IC23
AIC
AD
C
PC
MD
SP
2P
CM
AD
C
SM
OS
IS
SC
K
AIC
BC
LK
AU
XD
1
AU
XD
0
MU
TE
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P IF
: Pow
er S
uppl
y, L
inea
r
B
69
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
VC
C3
VC
C2
+5V
VC
C8A
VC
C3
VC
C3
VC
C2
VC
C8A
VC
C3
VC
C5A
VC
C3A
+5V
VC
C5A
U28 UA
78M
08C
DC
1 243
+VIN
GN
DTA
B
OU
T
C61
0.1
uF
C86
0.1
uF
TP1
GN
D
1 2A B
+C
2710
uF/
25V
C46
0.1
uF
+C
103
10 u
F/25
V
C58
0.1
uF
+C
104
10 u
F/25
V
C70
0.1
uF
C59
0.1
uF
C74
0.1
uF
C77
0.1
uF
+C
9310
0 uF
/10V
TP3
GN
D
1 2A B
C35
0.1
uF
C21
0.1
uFC
120.
1 uF
C79
0.1
uF
C68
0.1
uF
C64
0.1
uF
C54
0.03
3 uF
+C
8510
0 uF
/10V
U26
FAN
1086
M33
3
1
2 4V
I
GND
VO
VO
C78
0.1
uF
C10
00.
1 uF
U27 UA
78M
05C
DC
1 243
+VIN
GN
DTA
B
OU
T
C39
0.1
uF
C73
0.1
uF
C71
0.1
uF
+C
2910
uF/
25V
TP2
GN
D
1 2A B
C65
0.1
uF
C38
0.1
uF
C60
0.1
uF
C53
0.1
uF
C49
0.1
uF
L110
0 uH
L210
0 uH +
C51
10 u
F/25
V
C56
10 u
F 10
v E
CJ
C10
50.
1 uF
C50
0.1
uFC75
0.1
uFC
720.
1 uF
C23
0.1
uF
C52
0.1
uF
C87
0.1
uF
C57
0.1
uF
U9 LP
3982
21
7 8
4 53
6
INO
UT
SH
DN
FAU
LT
OU
T
AD
JG
ND
CC
C66
0.1
uF
C10
20.
1 uF
C69
0.1
uF
C55
0.1
uF
+12V
MIC
BIA
S
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P IF
: IN
TER
CO
NN
EC
TS A
ND
MIS
CE
LLA
NE
OU
S
B
79
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
MS
CK
/DV
RC
S
MM
ISO
CM
D
MM
OSI
PG
D
RX
2_B
IF-
/CS
DS
P2A
SM
OS
I
RX
2_IF
+
DS
P2D
ATA
A/R
ST2
CLK
3MH
Z
FSX2
SM
ISO
/AU
XD
ETE
CT
LRC
LKP
CM
1804
DX2
/DS
P2B
US
YA
PC
MD
SP
2
HA
GC
2
VS
MET
ER2
/EN
C2
AIC
BC
LK
RX
2_B
IF+
SS
CK
RX
2_IF
-
VIF
GA
IN2
/SP
IBO
OT2
VIF
GA
IN2
/DS
P2B
US
Y
100H
Z/D
SP
2BU
SY
A
SP
KR
_L
MO
SI
BK
_MIC
AF+
/CS
DS
P2
SP
KR
_R
SM
OS
I
MIC
BIA
S
LIN
E_I
N+
/DS
P1B
US
YA
MO
SI
RX
2_IF
-
SC
K
PH
ON
ES
_L
BK
_MIC
AF-
DIG
0
VFW
D
BK
_PH
_R
/CS
DS
P2A
TXIF
I
LIN
EO
UT_
L
SS
CK
MIC
IN
DS
P1D
ATA
RX
1_IF
+
DS
P2D
ATA
SC
K
/MIS
OE
N
LIN
EO
UT_
R
/RS
T5
MIS
O
PH
ON
ES
_R
VR
EF
LIN
E_I
N-
PH
ON
ES
_L
TXIF
Q
/DS
P1B
US
YR
X1_
IF-
/DS
P1B
US
Y
SP
KR
_L
/CS
DS
P2
HA
GC
1
VSM
ETER
BK
_PH
_L
/CS
DS
P1
RX
2_IF
+
HA
GC
2
DIG
0A
MIS
O
DIG
0
ALC
100H
ZA
VIF
GA
IN1
MU
TE/C
SD
SP
1/C
SD
SP
1A
/CS
DS
PLO
AD
100H
Z
BK
_PH
_SW
SP
KR
_R
/DS
P2B
US
Y/R
ST
SM
ISO
PH
ON
ES
_R
DS
P1D
ATA
DS
P2D
ATA
DS
P2D
ATA
A
DS
P1D
ATA
A
PRG
EXP
CTD
OB
MIS
O
SM
ISO
/EN
C1
/EN
C2
DS
P2D
ATA
DS
P2D
ATA
PG
C
PG
D
/MC
LR
/MC
LR
/EN
DV
R
SC
K
PG
C
MO
SI
PH
_SW
AU
XD
0
AU
XD
1
MU
TEM
UTE
A
VC
C3
VC
C3
VC
C8A
VC
C3
+5V
+12V
+5V
+5V
+5V
VC
C3
VC
C3
PJG
2
C67
0.1
uF
FID
CL1
STN
DO
2A
UX
DS
P1
R7
8.2R
C76
0.1
uF
STN
DO
9S
HIE
LD1
FID
CL2
STN
DO
5A
UX
DS
P1
R5
8.2R
STN
DO
3K
3FP
1
J53
Aux
DS
P
1 2 3 4 5
STN
DO
1K
DV
R3
1
J50
DS
P A
F
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
R49
10K
STN
DO
7K
3FP
1
U14 SN
74LV
C12
5A
12 7
3 14
5 46
9 10 12 13
8 11
1OE
1A GN
D
1Y
VC
C
2A 2OE
2Y
3A 3OE
4A 4OE
3Y 4Y
U19
74V
HC
T244
2 4 6 8 11 13 15 17 1 19
18 16 14 12 9 7 5 3 20 10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G 2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VC
CG
ND
STN
DO
6A
UX
DS
P1
J51
DS
P IF1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
STN
DO
4K
3FP
1
C26
0.1
uF
STN
DO
8K
3FP
1
J52
Aux
DS
P
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
C5
0.1
uF
R12
8.2R
U20
74LC
X541
2 3 4 5 6 7 8 9 1 19
18 17 16 15 14 13 12 11 20 10
A1
A2
A3
A4
A5
A6
A7
A8
G1
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
VC
CG
ND
J1 PH
ON
ES
93 8421765
P32
DS
P M
IC
1 2 3 4 5
SP
AR
E1
U12
NC
7SZ1
4
24
5 3
PJG
1
P31
FP-D
SP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R4
8.2R
J54
DV
R
1 2 3 4 5 6 7 8 9 10
U15 74
HC
T125
12 7
3 14
5 46
9 10 12 13
8 11
1OE
1A GN
D
1Y
VC
C
2A 2OE
2Y
3A 3OE
4A 4OE
3Y 4Y
MM
OSI
MS
CK
/DV
RC
SC
MD
MM
ISO
RX
1_IF
+R
X1_
IF-
VFW
DV
RE
F
HA
GC
1
BK
_PH
_SW
ALC
LIN
E_I
N-
LIN
E_I
N+
BK
_MIC
AF-
BK
_MIC
AF+
MIC
INTX
IFI
TXIF
Q
VIF
GA
IN1
SP
KR
_L
SP
KR
_R
LIN
EO
UT_
RLI
NE
OU
T_L
PH
ON
ES
_LP
HO
NE
S_R
/RS
T2
MIC
BIA
S
SM
OS
IS
SC
K/C
SD
SP
1AD
IG0A
100H
ZA/C
SD
SP
2A
SM
ISO
/DS
P1B
US
YA
/RS
T
/MIS
OE
N
/RS
T5
/SP
IBO
OT2
PC
MD
SP
2LR
CLK
PC
M18
04C
LK3M
HZ
AIC
BC
LKFX
2
/EN
C2
/AU
XD
ETE
CT
VS
MET
ER2
DX2
PRG
EXP
DS
P2D
ATA
DS
P1D
ATA
A
MO
SI
SC
K
/CS
DS
PLO
AD
VSM
ETER
CTD
OB
/EN
C1
/EN
DV
R
RX
2_B
IF+
RX
2_B
IF-
PH
_SW
AU
XD
0
AU
XD
1
MU
TEA
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P: R
X IF
BU
FFE
R
A
89
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
VC
C8A
VC
C8A
R55
909R
C90
10 u
F/10
V
C91
1000
pF
R60
3KC
8827
00 p
F
+
C84 10
uF/
16V
C83
0.1
uF
+ -Vocm
ENU
24
OP
A16
32D
8 14
3 6
52
7
+
C92 10
uF/
16V
R56
51R
R57
3K
R59
51R
R61
909R
C82
10 u
F/10
V
C81
1000
pF
RX
1_B
IF-
RX
1_B
IF+
RX
1_IF
+
RX
1_IF
-
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NO
TES
:P
CB
Rev
isio
n A
2004
0511
01A
1
K3
DS
P IF
: TX
DA
C
A
99
Wed
nesd
ay, J
uly
18, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
AIC
BC
LKLR
CLK
DA
C
VM
IDT
TCLK
0
/TX
DA
CC
SM
SC
KM
MO
SI
DS
PD
X0
TXLO
UT
TXR
OU
T
TXIF
I
TXIF
Q
VC
C3A
T
VC
C3V
CC
3
C95
0.1
uF
+C
9810
uF/
16V
L310
0 uH
+C
9410
uF/
25V
C99
10 u
F 10
v E
CJ
C96
10 u
F 10
v E
CJ
C10
10.
1 uF
U25
TLV
320D
AC
23
1 1123 24 21 22 27 284 53 25 2 8 1514
910 1626
1213
BV
DD
HP
GN
D
SD
INS
CLK CS
MO
DE
DV
DD
DV
SS
DIN
LRC
INB
CLK
XTI
/MC
LK
CLK
OU
T
HP
VD
D
AV
SS
AV
DD
LHP
OU
TR
HP
OU
T
VM
IDX
TO
LOU
TR
OU
T
C97
0.1
uF
AIC
BC
LK
DS
PD
X0
MM
OSI
/TX
DA
CC
SM
SC
K
TCLK
0
LRC
LKD
AC
TXIF
I
TXIF
Q
W.
Burd
ick
Elecraft
Rev.
Sh
t.
Date
By
App
endi
x B
1 of
4
10
K1A
K1
B
L3
24
3
75
6
L1 18
L4 2.2
K2A
24
3K
2B
75
6
C120
00C5
39
0
C620
00
L5 2.2
L2 18
C220
00
RESE
T =
0.5-
2
10
K3A
K3
B
L8
24
3
75
6
L6 1.5
L9 1.0
K4A 7
5
6K
4B 2
4
3
C9 91
0C1
33
6
C14
56
L10
1.0
L7 1.5
C10
91
0
RESE
T =
4-7
6.8
K5A
K5
B
L13
24
3
75
6(C
p ~3
pF)
L11
0.56
L14
0.68
K6A
24
3K
6B
75
6
C17
51
0
C22
22
C21
22
L15
0.68
L12
0.56
C18
51
0
RESE
T =
10-1
4
5.2
K7A
K7
B
L18
24
3
75
635
t #2
8, T
37-2
L16
0.22
L19
0.39
K8A 7
5
6K
8B 2
4
3
C25
47
0
C30
9
L20
0.39
L17
0.22
C28
56
0
RESE
T =
18-2
3
4-7
/7-1
0
MH
z
10
-14
/14
-18
M
Hz
18
-23
/23
-28
M
Hz
SCK3
K1
K2
K4
K3
18
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U1
SCK3
.01
C34
C31
C32C33
C35
TPIC
6C59
5D
C39
.01
C36
.01
5V
KB
PF3
K5
K6
K8
K7
18
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U2
SCK3
.01
C44
C41
C42C43
TPIC
6C59
5D
C40
.01
5V
MIS
O3
MIS
O3
MIS
O3
MO
SI3
LD_B
PF2
LD_B
PF2
LD_B
PF2
C26
47
0
C27
56
0C2
99
C20
82
0C1
98
20
C12
1500
C11
1500
32
1
J44
E
32
1
J44
C
12
34
56
J44
A
NO
TE:
K1
-K8
are
show
n in
th
e RE
SET
posi
tion
.A
ll re
lays
ar
e m
ount
ed
on
the
back
si
de
of
the
PCB.
C3 .01
C4 .01
SET
= 2-
3.5
SET
= 7-
10
SET
= 14
-18
SET
= 23
-28
0.5
-2/2
-3.5
M
Hz
RFC1
22
5V
A6
/29
/07
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
NOTES:
1. KXV3-1 and -2 modules are soldered together
via right-angle male connectors at J/P41A/C.
2. K1 and K2 are DPDT relays shown in RESET position.
3. W1 and W2 on the RF board must be removed or
cut when the KXV3 is installed.
3.6VDC ~
1.0 mW
RF Detector
4. W4 must be installed on the RF board when the KXV3
is installed (between RF-P86 and KXV3-P87).
2006
0306
02A
0
KX
V3:
Mai
n
B
11
Frid
ay, J
une
22, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
MO
SI3
SCK3
LD_X
V
/LP
/LP
7TM
ISO
3
7R
LPTX
12V
_SW
12V
_SW
12V
_SW
12V
_SW
P41
B4-
pin
RA
1234
C1
0.01
uF
C6
0.01
uF
R6
100K
C13
100
pF
C9
1000
pF
D1
BA
P64
-05
1
3
2
R9
2K2
Q2
MM
BT39
06
1
2 3
P66
K3
RF
Boa
rd
123456789
10111213141516
R11
1K
C10
0.01
uF
D3 1N
5711
W
2 1
R13
100R
R3
1M
C2
0.01
uF
U2 TP
IC6B
595D
W3 4 5 6 11 12 13 14 9
2 15 7 10 8 1 16
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SD
O
SD
IS
CK
SC
LRR
CK
OE
VC
C
GN
D
K1
DP
DT3
2 4
89 7
1 10
C3
0.01
uF
R10
2K2
R5
180K
D4
5V1
13
R12
1K
C8
0.01
uF
D2
1N57
11W2
1
RFC
147
uH
C12
0.01
uF
+ -
U1A
TLV2
72
3 21
8 4
R7
1M
+ -
U1B
TLV2
72
5 67
8 4
P41
A4-
pin
RA
1234
R2
470K
C11
0.1
uF
C7
0.01
uF
R8
2K2
C4
0.01
uF
Q1
MM
BT39
041
23
R1
1K
R4
330R
K2
DP
DT
32 4
89 7
1 10
C5
0.01
uF
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
2006
0306
02A
0
KX
V3:
Con
nect
or
A
11
Frid
ay, J
une
22, 2
007
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
J38
XV
TR In
12345
Q1 2N
7002
K1
3 2
MT1
SW
AG
E1
C2 22
pF
J41A
4-pi
n R
A
1234
GA
P1
SP
AR
K G
AP
J41B
4-pi
n R
A
1234
MT2
SW
AG
E1
R2
1M
C1
2 pF
J37
RX
Ant
Out
12345
J39
XV
TR O
ut
12345
J40
I.F. O
ut
12345
R1
100K
J87
RX
IF1 2 3
J36
RX
Ant
In
12345
C3 0.
1 uF
D1
BAT5
4S
13
2
W.
Burd
ick
E. S
war
tz
Elecraft
Rev.
Sh
t.
Date
By
0.48
µH
0.05
µH
0.11
µH
0.23
µH
L1L2
L3L4
C1C2
C3C4
12
22
39
82
C TX
C A
NT
4.4
µH1.
0 µH
2.1
µH
L5L6
L7
9.0
µH
L8
1 of
1
15
0C5
AC5
B1
23
30
C63
30
C7A
C7B
33
03
30
C8A
C8B
33
0C8
C3
30
C8D
33
0
SA1
SA2
L10
96 n
H
C10
3900
J69A
To
J7
J69
B
To
J8
RFC1
47 u
H
0.1
C24
0.1
C25
K8
K7 K1
4K
13
K1
2
K5
116
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U2C36C27
C45
C32
C34C35
C44
5V
TPIC
6C59
5D
K6
K1
1
K4
K3
K1
6K
10
K9
K1
116
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U3.0
1
C38C31
C30
C37
C39C42
C29
5V
TPIC
6C59
5D
K2
K1
5
K1
8
K1
7
116
SRCK
SOUT
/CLR
RCK
SIN
VCC
/Q0
/Q1
/Q2
/Q3
/Q7
/Q6
/Q4
/Q5
GND
1015 14 13 12 1116
/G9
2 31 4 5 6 7 8
U4
C40
C41
C55
5V
TPIC
6C59
5D
12V
_ATU
10
0C1
61
00
C17
10
0C1
81
00
C19
10
0C2
01
00
C21
.001C2
2.0
01
C23 KA
T3 A
TU78
L05
OUT GN
DIN
U1
5V
0.1
C15
0.1
C14
0.1
C13
R1
560K
R2
560K
1113
68
4
9
K2
1113
68
4
9
K1
1113
68
4
9
K3
1113
68
4
9
K4
1113
68
4
9
K5
1113
68
4
9
K6
1113
68
4
9
K7
1113
68
4
9
K8
1113
68
4
9K
17
11
13
6 8
4
9
K9
11
13
6 8
4
9
K1
011
13
6 8
4
9
K1
111
13
6 8
4
9
K1
211
13
6 8
4
9
K1
311
13
6 8
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C26 C28.01
C47
C50
C48
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C33
C43
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C46
C49
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C52
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C51
C53
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C54
= P
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nted
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10
1112
1314
1516
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1920
12
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SCK3
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R3 R4 R5
R6
470
470
470
10
0
MO
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C56
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C57
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2
12
Trap
2
12
J72
C11
XD3
7/1
1/07
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
2004
0901
001
XB.5
K3:
Dig
ital V
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Rec
orde
r
A
11
Frid
ay, A
pril
21, 2
006
Title
Size
Doc
umen
t Num
ber
Rev
Dat
e:S
heet
of
D0
D1
D2
D3
CLE
ALE
/CS
SC
K
CM
D
MIS
OM
OS
I
PG
DP
GC
/MC
LR
/DV
RC
S
D7
D5
D6
D4
D[7:0]
RD
Y
D0
D6
D5
D4/CS
ALE
RD
Y
/WR
D7
D3
D2
D1
CLE
/WP
/WR
/RD
/MC
LR
/RD
/WP
/DV
RC
S
CM
D
MIS
O
SC
KM
OS
I
PG
DP
GC
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
VC
C3
U1 TC
58D
VM
72A
1FT0
013
16 17 18 19
29 30 31 32 361241 42 43 44
678 9
37
Vss
CLE
ALE
WR
WP
D0
D1
D2
D3
Vss
VccD4
D5
D6
D7
GN
D
RD
Y/B
US
Y
RD
CS
Vcc
C5
0.1
uF
+C
210
uF/
25V
R1
120R
ST1
STA
ND
OFF
1
C3
0.1
uF
R3
47K
Z1 8.0
MH
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13
2
R2
120R
C1 0.
1 uF
C6
10 u
F 10
v E
CJ
C4
0.1
uF
U2 PIC
24H
J64G
P20
6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1817 19 20 21 22 23 24 25 26 27 28 29 30 31 323334353637383940414243444546474849505152535455565758596061626364
RG
15R
C1
RC
2R
G6/
SC
K2
RG
7/S
DI2
RG
8/S
DO
2M
CLR
RG
9/S
S2
VS
SV
DD
RB
5R
B4
RB
3R
B2/
SS
1R
B1/
PG
C3
RB
0/P
GD
3
RB
7/P
GD
1R
B6/
PG
C1
AV
DD
AV
SS
RB
8/U
2CTS
RB
9R
B10
/TM
SR
B11
/TD
OV
SS
VD
DR
B12
/TC
KR
B13
/TD
IR
B14
/U2R
TSR
B15
RF4
/U2R
XR
F5/U
2TX
U1T
X/S
DO
1/R
F3U
1RX
/SD
I1/R
F2U
1RTS
/SC
K1/
RF6
SD
A1/
RG
3S
CL1
/RG
2V
DD
CLK
IN/R
C12
CLK
0/R
C15
VS
SR
D8
U1C
TS/R
D9
RD
10R
D11
RD
0P
GD
2/R
C13
PG
C2/
RC
14R
D1
RD
2R
D3
RD
4R
D5
RD
6R
D7
VD
Dco
reV
DD
RF0
RF1
RG
1R
G0
RG
14R
G12
RG
13
P54
Mai
n D
SP
1 2 3 4 5 6 7 8 9 10