Download - kdc2023-2024-2094-222-3023
© 2002-11 PRINTED IN JAPANB53-0004-00 (N) 3379
COMPACT
RDMLOUD REPSCAN
OFF
KDC-222
CRSC
AMEAUTOADJCLK
AUD
45Wx4
COMPACT
RDMLOUD REPSCAN
OFF
KDC-2024S
MONO
AMEAUTOADJCLK
AUD
45Wx4
COMPACT
DIGITAL AUDIO
RDMLOUD REPSCAN
OFF
KDC-XXXX
CRSC
AMEAUTOADJCLK
AUD
50Wx4CD MD-Changer Control
M. RDM
COMPACT
RDMLOUD REPSCAN
OFF
KDC-2094
MONO
CLK
AUD
45Wx4WIDE BAND
DIGITAL AUDIO
DIGITAL AUDIO DIGITAL AUDIO
Depends on model. Refer to the parts list
AMEAUTOADJ
Panel assy(A64-2867-02): KDC-222(A64-2868-02): KDC-222S
Escutcheon(B07-3060-02): KDC-222(B07-3022-02): KDC-222S
Panel assy(A64-2878-02): KDC-2024SA/SG/SYA/SYG
Panel assy(A64-2870-02): KDC-2023(A64-2873-02): KDC-3023
Escutcheon(B07-3001-02): KDC-2023(B07-3022-02): KDC-3023
Panel assy(A64-2884-02): KDC-2094YA/YG
Escutcheon(B07-3001-02): KDC-2094YA/YG
Escutcheon(B07-3001-02): KDC-2024SA/SG/SYA/SYG
DC cord(E30-4784-05)
Mounting hardware assy(J21-9716-03)
DC cord(ISO)(E30-4790-05)
Plastic cabinet assy(A02-1486-13)
Lever(D10-4589-04)x2
Screw set(N99-1719-05)
Screw set(N99-1610-15)
Antenna adaptor(T90-0523-05)
CD RECEIVER
KDC-2023KDC-2024SA/SG/SYA/SYGKDC-2094YA/YGKDC-222/SKDC-3023SERVICE MANUAL
CD mechanism operation description is not in this sarvice manual.Please, refer to sarvice manual X92-4030-0x (B51-7867-00).
CD mechanism extension cord : WO5-0618-00
KDC-2023, 2024A/SG/SYA/SYG
, 2094YA/YG, 222/S,3023
2
BLOCK DIAGRAM
1200
mV
1200mV
CD : 3600mVCH : 3600mVAM(E) : 855mV
FM(E) : 1372mVFM(J,K) : 1800mV
AM(J,K) : 600mV
CHANGER
KEY MATRIXWITHLCD DRIVERLCD REMOCON
MI-COM
CD
ANT
AM AGC
FM AGC
DECODERRDS
RESETIC
EEP-ROM
TUNER,MPX &E-VOL.
SUPPLY IC
SW5V
SERVO
P-ANTP-CON
POWER
MUTELOGIC
DETACC
BUDET
MUTEPRE
POWER IC SP
ACC
UPBACK
OUT
OUTPRE
IC1
DATA H
MUTEDATA CREQ H
CH-CON
AUDIO OUT
CLKREQ C
RST
BACK UP
BU5VIC2
SW5V
LO/S
RST
LOE/LIMMO
LO/EJSTOP
MUTE8EJESDA
SCLK
AUDIO OUT
12EJE
Q501
Q502
AM+B
FM+B
AM AGC OUT
IC6
CHCD
SERVO
BU5VA8V
TU
NE
R O
UT
BU5V IC11
IC12
IC10
FM AGC OUT
A8V
SW2SW1
ILLUMI
VCC
BU5V
AUDIO+BAM+BFM+B
BA
CK
LIG
HT
KE
Y IL
LUM
I
Q51,55
SW5V
Q50
SERVO
BU5VFM+BAM+B
A8V
P-CONP-ANT
IC8
Q20
Q10
IC7
MUTE
Q223,224
IC4
KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023
3
● SWITCH UNIT (X16-1460-xx/2370-12)
COMPONENTS DESCRIPTION
Ref.No. Application/Functions Operation/Condition/CompatibilityIC1 LCD driver & key matrix
IC2 Remote Sencer
Q1 Key scan start When Q1 base goes Lo, key scan start.
● ELECTRIC UNIT (X25-9600-xx/9612-7x)Ref.No. Application/Functions Operation/Condition/Compatibility
IC1 System control µ-com System µ-com
IC4 Power amplifire E-Vol output encoder power amplification for speaker.
IC7 Power supply (Multi AVR) -
When a pin 1, 2, or 13 is "H", MUTE turns on
IC8 MUTE Logic When a pin 3, 4, or 5 is "H", P-AMP mute turns ON.
Changer is RESET when a pin 9, 10, or 11 is "L".
IC10 Tuner & E-Vol. FM/AM tuner & stereo decoder & E-Vol.
IC11 Power on reset When B.U. 5V voltage is less than 3.5V, power reset.
IC12 E2P-ROM Writing and read-out of adjustment data for a tuner
Q10 B.U. detector BU on (base "H") : Collector "H"
Q20 A.C.C detector ACC ON (base : "H") : Collector "L"
Q40 MUTE driver Base "L" : Mute on (collector "L")
Q50 SW 5V Base "L" : SW5V on
Q51 SERBO AVR control Pin 2 "H" : Serbo on (pin 4 "H")
Q55 SERBO AVR Base "H" : Serbo on
Q70 Surge detector Base "H" : Surge detect
Q101 DSI driver Base "H" : DSI on
Q102 PANEL 5V SW Panel attch : PAN5V on
Q223,224 MUTE Base "H" : Mute on
Q501 AM RF amplifire Base "H" : Gain UP
Q502 FM RF amplifire Gate "H" :Gain UP
KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION
4
● SYSTEM MICROCOMPUTER uPD780058GCxxx (X25 : IC1)Pin No. Name I/O Description Processing Operation
1 TDF DET I Panel detection H:Panel detached L:Panel attached
2 8EJE SW IH:Eject is completed Except 8cm CD model:always output L
3 NC O Not used (out put L)4 Avss
H:Panel detached L:RESET5 L-RST O LCD driver RESET ∆3 normal H , Power off L
When 7seg model,output L
6 L-CE O LCD driver selectionH:Select (panel communication)When panel attached,output L
7 AVREF18 NC Not used (connected to 9pin)9 IC10-DATA I/O IC10,E2PROM data communication ∆3 non communication : H10 IC10-CLK O IC10,E2PROM clock communication ∆3 non communication : H
Non communication : H11 L-DATAL I Data input from the LCD driver When panel detached : L
∆3 Pull down on X25 unit,Pull up on X16 unit12 L-DATAS O Data output to the LCD driver When panel detached , output L13 L-CLK O Clock output to the LCD driver When panel detached , output L14 R-DATA I Data input from the RDS Except RDS model : output L15 R-QUAL I Quality input from the RDS Except RDS model : output L16 CH-DATAC I Data input from the changer (new 5L) Except changer model : output L
17 CH-DATAH O Data output to the changer (new 5L)When non communication ,last data keepingExcept changer model : output L
18 CH-CLK I/O Clock input/output with the Changer (new 5L)Check the old and newExcept changer model : output L
19 CH-REQH O Request output to the changer (new 5L)L:RequsetExcept changer model : output L
20 NC O Not used (output L)
21 AFS O Noise detection time constant switching terminalH:Normal L:FM/AM seek and AF search∆3 (When tuner SRC auto zero , L)
22-24 NC O Not used (output L)
25 CH-CONT O Changer controlH:Changer on L:Changer offExcept changer model : output L
26 TYPE REF O 5V lines output for destination setting H:During destination reading27 SD I Tuner SD input H:Station detected28 NC O Not used (output L)29 TYPE2 I Destination type selection terminal 2 Refer to destination type list.30 TYPE1 I Destination type selection terminal 1 Refer to destination type list.31 TYPE0 I Destination type selection terminal 0 Refer to destination type list.32 TUNER-TYPE1 I Destination available/genuine model rool off H:genuine model 1 L:available model33 Vss134 TUNER-TYPE0 I Destination available/genuine model noise cancel H:genuine model 0 L:available model
35 MUTE O Mute (E.Vol,Preset) controlH:mute on L:mute offPower off after that 15 second L
36 M-DATA I/O Data input/output with the CD mechanism ∆3 non communication : H37 M-CLK O Clock output to the CD mechanism ∆3 non communication : H
When adjustment = H38 ADJ O Tuner lines adjustment PS1-0,1=L PS1-2,2-0,1=Hi-z
IC10-DATA,CLK=Hi-z
39 P-MUTE O Power IC mute controlH:mute off L:mute onPower off after that 15 second H
40 SVR O Power IC servo controlH:When momentary power down detectedL:Nomal
41 P-STBY O Power IC standby control H:Power IC ON L:Power IC OFF
42 SW5V OSW 5V control H:SW5V OFF L:SW5V ON
Power off after that 10 second H
KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION
5
Pin No. Name I/O Description Processing Operation43 B.U-DET I Back up detection terminal H:power down L:B.U. on44 ACC-DET I ACC detection terminal H:ACC OFF L:ACC ON
45 PS1-0 OPower supply IC SW1 control 0Audio 8V,P-CON
46 PS1-1 OPower supply IC SW1 control 1Audio 8V,P-CON
47 PS1-2 O Power supply IC SW1 control 2 P-ANT
Power supply IC SW2 control 048 PS2-0 OILL,FM,AM
Power supply IC SW2 control 149 PS2-1 OILL,FM,AM
50 BEEP BEEPH:Light on L:Light off
51 DSI O DSI controlWhen panel attached,output LWhen panel detached,flashing at the panel (H/L)FIX model is output L
52 NC O Not used (out put L)53 NC O Not used (out put L)54 LOE/LIM SW I CD mechanism down&limit detection H:Chucking detection L:Normal55 MO SW O CD mechanism loading motor control output H:Loading,Eject,Break L:Play56 LO/EJ I/O CD mechanism loading/Eject switching terminal H:Eject L:Loading57 M-STOP O Stop output to the CD mechanism H:Play L:Stop58 M-RST O Reset output to the CD mechanism H:Normal L:CD mechanism reset59 M-MUTE I Mute input from the CD mechanism H:mute off L:mute on60 RESET Reset input from the System microcomputer61 REMO I Remote control input62 R-CLK I RDS clock input Except RDS model : output L
H:Changer detection63 CH-REQC I Request input from the changer (new 5L) L:Request
Except Changer model : output L
64 LOS SW I CD mechanism loading's switch detectedH:No discL:DISK IN(Loading Start)
65 KEY-REQ IKey input detected H:Key no input(11pin L connected to the DATA L) L:Key input (edge key data reading start)
66 12EJE SW I 12cm disc detected L:12cm disc67 Vss068 VDD169 X2 ∆3 MAIN X'tal oscillating circuit ∆3 4.19MHz X'tal connection70 X1 ∆3 MAIN X'tal oscillating circuit ∆3 4.19MHz X'tal connection71 IC TEST72 XT2 Not used OPEN73 XT174 VDD0 VDD Connected to VDD
75 AVREF0A/D converter reference voltage control output,connection to the 80pin AVCONT
76 S-METER I S-meter input77 NOISE I FM noise detection input ∆3
2.5V or greater:NAVI MUTE78 PHONE I 2way mute 1.0V or less:TEL MUTE
Except phone mute model : output L79 NC O Not used (out put L)
80 AVCONT O A/D converter standard voltage control outputH:During A/D converter activesame timing with PON
BA4911 SW1 Power supply IC outputPS1-2 PS1-1 PS1-0 A8V P-CON P-ANT
L L L STANBYL L(H) H(L) ON OFF OFFL H H ON ON OFFH H H ON ON ON
BA4911 SW2 Power supply IC outputPS2-1 PS2-0 ILLUMI FM AM
L L STANBYL(H) H(L) ON ON OFF
H H ON OFF ON
KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION
6
● MECHANISM MICROCOMPUTER MN6627771KP (X32 : IC2)Pin No. Name I/O Description Processing Operation
1 TVD O Traverse driver output (PWM output)2 SPL O Spindle motor drive output (PWM output)3 PC O Spindle motor ON output L:ON H:OFF (default )4 PWM O multi-purpose PWM output It's possible to setup the TOSF25 TBAL O Tracking balance adjust output (PWM output)6 FBAL O Focus balance adjust output (PWM output)7 NRFDET I RF detection signal input L:detected 8 OFT I Off-track signal input H:detected9 BDO I Drop out signal input H:detected10 LDON O Laser on signal output H:ON When command FO on,LDON is H11 DSLB O DSL balance output12 DVDD1 - Power supply for digital circuit13 DVSS1 - Ground lines for digital circuit14 AVSS2 - Ground lines for analog circuit For DSL,PLL and AD15 DSLF I/O Loop filter terminal for DSL The bias of ARF output terminal in one16 ARF I RF signal input17 RFSW I When DSL circuit,constant switch terminal18 PLLF I/O Loop filter terminal for PLL19 PLLF2 I/O Loop filter characteristic switching terminal for PLL20 IREF I Standard voltage input terminal21 RFENV I RF envelope signal input Analog input22 TRCRS I Track cross signal input Analog input23 TE I Tracking error signal input Analog input24 FE I Focusing error signal input Analog input25 AVDD2 - Power supply for analog circuit For DSL,PLL and AD26 AVSS1 - Ground lines for analog circuit For audio output (Lch and Rch in one)27 OUTR O Rch audio output28 AVDD1 - Power supply for analog circuit For audio output (Lch and Rch in one)29 OUTL O Lch audio output30 DVSS3 - Ground lines for digital circuit31 CSEL I Oscillation frequency specification terminal H:33.8488MHz L:16.9344MHz32 NC O Not used33 ASEL I Audio output polarity switching terminal L:Reverse H:Non reverse34 MSEL0 I Destination type selection port (set 2bit) Order "MSEL 0" and "MSEL 1" Set up35 MSEL1 I Destination type selection port (set 2bit) Order "MSEL 0" and "MSEL 1" Set up36 ICRST O Reset control terminal for external DAC37 BCLK O Bit clock output for serial data38 LRCK O L/R identification signal output39 SRDATA O Sirial data output40 VREFP I A/D converter standard power supply input41 HOT I Temperature protection detection terminal (AD input) Over C5(h):on42 8EJE_SW I 8cm disc eject stop detection terminal H:Stop43 12EJE/SDET_SW I Judge the 8cm or 12cm disc 12cm disc stop detection terminal44 LOE/LIM_SW I Pick-up inside detected Loading end detection terminal45 PCK O PLL extracted clock output,etc46 EFM O EFM signal output,etc47 SENSE O Optics servo status signal output,etc48 CLVS O Spindle servo phase synchronous signal output,etc L:Normal operation H:Luff servo49 DEMPH O Dephase detection signal output,etc H:on50 DVDD2 - Power supply for digital circuit51 X1 I Main clock input terminal
KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S,3023MICROCOMPUTER'S TERMINAL DESCRIPTION
7
Pin No. Name I/O Description Processing Operation52 X2 O Main clock output terminal53 DVSS2 - Ground lines for digital circuit54 XSUB1 I When external DAC,external clock input terminal55 XSUB2 O56 TEST1 I Test port 1 Normal operation is H fixed 57 TEST2 I Test port 2 Normal operation is H fixed 58 NC O Not used59 VER/HOR O Put length or breadth switching motor terminal H:Put length L:Put breadth60 DRV_MUTE O Driver mute control terminal L:MUTE ON H:MUTE OFF61 /MUTE_L O Audio Lch MUTE output L:MUTE62 /MUTE_R O Audio Rch MUTE output L:MUTE63 /RST I LSI reset input terminal H:Normal L:Reset64 OCD_CLK I When OCD connected, clock input65 /MSTOP I Standby detection terminal H:Normal L:Mecha stop66 DATA I/O I2C bus data line (communication line with system computer) At that time serial writer connected67 SBIO I When connected to serial writer,data input terminal68 /CLK I/O I2C bus clock line (communication line with system computer) At that time serial writer connected69 TX O Digital audio interface signal output70 EQCNT O RF EQ switching terminal L:x2 times H:x1 times71 XSEL I During the external DAC connection MCLK external input (H:input)72 MCNT I CD mecha Loading/Eject control ON/OFF L:OFF (HOST control) H:mechanism control73 P-ON O Audio and servo origin power control terminal L:power on H:power off74 MOTOR O Loading/Eject control switching terminal At that time LO/EJ is "H"75 LO/EJ O Loading/Eject control terminal or output L When 72pin (P82) is "L",output "L"76 CD-RW O CD-RW control terminal H:CD-RW L:normal77 LDCNT O LD control terminal Operation is same LDON as timing78 DVDD3 - Power supply for digital circuit79 FOD O Focus driver output (PWM output)80 TRD O Tracking driver output (PWM output)
TYPE2 TYPE1 TYPE0 MODEL NAMEL L L KDC-2024SA/SYA, 2024SG/SYG
uPD780058GC499L L H KDC-2022, 2022V,202MRL H L RY-391CD, RX-491CDL H H KDC-4023, 2023, 3023L L H KDC-122, 122S
uPD780058GC501 L H H KDC-1023, 1023SH L H KDC-222, 222SL L L KDC-3024G/YG, 307G/YG
uPD780058GC502L H H KDC-3023RH L L KDC-3024A/YA, 307A/YAH L H KDC-4024/Y/V/YV
uPD780058GC503 L L L KDC-2094YA/YGH: R135 R137 R139L: R136 R138 R140
System mi-com Destination type list
A B C D E
1
2
3
4
5
6
7
10K
4.7K 22K22
K
2.50
V
4.90
V
2.50
V
0V 4.80
V
2.40V
0V
4.80V
4.80V
0V
4.80V
4.80V3.0pp
5.0pp
0V4.80V
4.80V
4.80V
4.90
V 0V
4.90
V
0-4.
9V 0V
0-4.
9V 0V 0V 0V
0.15
V
4.80V
4.90V
0V
7.80V
0V
0V
3.84V
0V
3.84V
7.80V
0V
4.90V
4.90V
4.90V
4.90V
4.90V
4.90V
4.90V
4.90V
0V
0-4.9V
IC2
CD PLAYER UNIT (X32-5380-00)
S2
∗ S4
S1
CN2
Q4
D2
Q3
Q2
LchRch
A.GNDA+5V
BU+5V
D.GND
A.GND
12EJE SW
LOS SW
8EJE SW
SWITICHDOWN&LIMIT
S3
to M
AIN
UN
IT
A.8VSW
D.5VSW
BULT-IN MI-COMCD SIGNAL PROCESS
A.+8V
10K
S.GND 2
LOE/LIM SW 1
S.7.5V
MOTOR
LO/EJ
A.GND
5
3
4
Rch
Lch
6
7
8
BU+5V 15
A.+8V
MSTOP
MRST
MUTE L
MUTE R
D.GND
9
10
11
12
13
14
8EJE SW
DATA
LOS SW
12EJE SW
18
NC 16
17
CLK 19
20
21
100x4CP2
100x2CP1
D.OUT 22
R72
200
100
C756800P
R87
330
C692200P
R85
R44
330
C712200P
R81
6800PC76
100
R88
2200PC70
330
R86
C722200P
330
R82
1K
DEMPH/TRCRSO/TEXTCRC
SENSE/RESY/FLAG/STOUT
EFM/NFLOCK/CLDCK/STCK
PCK/NTLOCK/FCLK/STLD
DAT
A
MS
EL1
MS
TOP
OC
D C
LK
RS
T
IFZ
R
IFZ
L
100Kx4
R43
CP5
61 6362 6564 66
R100 C100
16.934MHzX1
1000P10
R424.7K
49
DRV MUTE
VER/HOR
TEST2
TEST1
XSUB2
XSUB1
DVSS2
DVDD3
NC
60
59
58
57
56
52
55
54
53
X2
51
50
X1
CLVS/VDET/CRC
LOE/LIM(SW4)
12EJE/SDET(SW3)
8EJE(SW2)
HOT
48
47
46
45
44
43
42
41
LRC
K
SR
DAT
A
VR
EF
P40 3839
ICR
ST
BC
LK3637 35
MO
TOR
P-O
N
MC
NT
XS
EL
EQ
CN
T
CLK
SB
IO
SBIO
73706867
TX
69 71 72 74 75
C36 2.2
2831N
C
AS
EL
MS
EL0
3334 32
OU
TL
DV
SS
3
CS
EL
30 29
AV
DD
2
AV
SS
1
OU
TR
AV
DD
127 2526
C10
110
00P
1000
PC
102
C34 0.1
100K
R93
C330.1
C32 0.1
4
L
R
5
65
63
62
61
66
68
2927
LR
2729
61 62
63 66 68650.1
C470.1
C46
Q3,4
DTC114YUADTC143TUAUN51112SA1036K2SA13622SA1576A
2SC4081
DTA114EUADTA124EUADTC124EU
DAN202U
DA204UDTA114YUA
MA142WKUN5212
3SK126 BR24C01AF-W
F G H I J
1
2
3
4
5
6
7
0.17
V
3.81
V
4.90
V
2.47
V
1.44
V
3.38
V
2.50
V
4.16
V
0V3.94
V
0V0V0V
3.06
V
2.50
V
2.50
V
2.50V
2.50
V
2.50
V
2.69
V
2.69
V
2.69
V
0.95pp
0.91pp2.50V
2.35
V2.35V
2.40
V
2.35
V
2.35
V
2.45
V
4.90
V 0V
7.80
V
3.50
V
3.90
V
3.84
V
3.84
V3.
81V
3.81
V
3.60
V
3.60
V
7.80
V
0V0V
0V2.35
V
2.35
V
2.35
V
2.35
V
2.35
V
7.80
V
2.35V
4.80V
4.80V
2.45V
0V
0.87pp
1.25V
1.70V
0V
0-4.8V
0V
2.40V
4.90
V
2.50
V
0V 4.80
V
2.40
V
2.40V
2.40
V
2.45
V
0V 0V
0.15
V 0V
4.80
V
2.40V
2.40V
4.80V
2.50V
2.00V
0V
0V
0.17V
2.69V
2.69V
2.69V
2.69V
2.50V
2.50V
3.84V
3.81V
3.81V
3.84V
IC3
C2
IC1
DTA143XUA:Q4
D1
D3D2
Q6Q5
DA204UMA8051-LDAN202U
2SA1576A2SC4081
:
::
::
Q3Q2Q1
IC3IC2IC1
DTC124EUA or
MN6627771KP
2SA1362(Y)MCH6101
BA5824FP
AN22002AA
:::
:::
Q6 Q5
D3
D1
CN1
Q1
M
M
LOADING & SLEDMOTOR
SPINDLEMOTOR
DM2 (X92- )
DM1 (X92- )
S.GND
S.7.5V
SPDL
FCS
TRK SLED
D.GND
D.5V
Vref
GND LINESIGNAL LINE
B LINEto
PIC
KU
P
APC
VREFBUFFER
4CH BTLDRIVER
-COML PROCESSOR
RF AMPLIFIERADAPTED FOR CD-RW
UN5212
1K
924
CN
T
LDIN
OU
TS
L
INS
L-
INS
L+
OU
T3
IN3-
PR
EV
CC
IN2-
BIA
S1 2 6
IN1-
IN1+
OU
T2
43 5
MU
TE
PR
EG
ND
OU
T1
7 8
C491500P
C380.01
R48
10K18K 10K
R34R33
2.2KR47
C511500P R
71
13K
2728 26 25
C370.01
R5110KR
503.
9K
R31
27K
10KR32
VO
3+
VO
3-
VO
4+
VO
4-
PO
W V
CC
2
PO
W G
ND
2
VO
2-
VC
C1
GN
D1
1110 12
VO
1+
VO
1-
1413
VO
2+
2223 21 1920 18 17
VR
EF
GN
D
R4510K
R43
TR
D
FO
D
DV
DD
2
LDC
NT
CD
-RW
LO/E
J
MO
TOR
P-O
N
MC
NT
XS
EL
7371 72 74 7675 7877 79 80
TR
CR
S
28
AV
DD
2
AV
SS
1
OU
TR
AV
DD
127 2526
TE
FE
2324 22
12
FBAL
TVD
SPL
PC
PWM
TBAL
1
2
3
4
5
NRFDET
OFT
BDO
LDON
DSLB
DVDD1
9
6
7
8
10
11
PLLF2
DVSS1
AVSS2
DSLF
ARF
RFSW
PLLF
13
14
15
16
17
18
IREF
RF
EN
V21
19
20
C486800P
C50
6800P
1000P
R38220K
C31 0.1
C400.015
C41
C39
0.01
39KR35
R534.7K
10K
R36
C10
0.03
3
R9
3.9K
4700PC14
C15
2200
P
B/TE
17
R4147K
C31
16
FCS-
TRK-
TRK+
FCS+
GND
C+D
GND
VCC
TB
AL
FB
AL
GC
TL
FE
OU
T
FE
N
TE
N
TE
OU
T
TE
BP
F
VD
ET
C52 0.1
R524.7K
B
GC
TL
6.2K
R37
24
VDET
C13270P
R827K
1918 20 2221 23
C16330P
R1133K
2725 26
FE28
D3029 32
C31
A
R154.7K
IOP-IOP+ R410
R191
12
16
15
14
13
A9
11
10
F
B
8
7
6
E
PD
5
4
3
VR
LD
2
1
VC
C6
39P
VC
C
9
CO
FT
R
OF
TR
NR
FD
ET
1415 13
3TO
UT
CB
DO
BD
O
1112 10 6C
AG
C
AR
F
CE
A8 7
RF
N
RF
OU
T
RF
IN
5 34
C12
3300
P
C11
6800
P
PDLD
12
C70.1 3.3K
R6RF
R5
3.3K
C1
10u6
.3
R14
100K
C22.2
17
18
12
11
SPDL-
SPDL+
X32-5380-00X32-5380-01
S4
YESNO
27
A/T
E
TR
CR
S
FE
C45 0.1
C44 1000P
C43 2200P
R39 100K
820R40
0.047C42
RFENV
BD
O
OF
T
NR
FD
ET
9
7
8
4.7Kx4CP4
1.8Kx4
CP3
16
TRK OUT
TRK IN
13
14
FCS UP
FCS DOWN
15
16SLED IN/EJECT
/LOADSLED OUT
11 121718
5 4
180
1
2
79 80
27K
R46
39K
R49
87 9
R7 3.6K
2PC5
ARF
1C847
00P
C9
R13
240K
C18
0.1
C17
0.1
R3
5.6K
R2
5.6K
6
5
4
FE B CD
A6 5
100KR10
F
A
B
E
CD
23 2224
242322
4
79
2
13
15
14
16
2.2C61
Q5,6
IC1
15
2930
R12
910K
PO
W
PO
W
+
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be
carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individualinstruments or/and units.
!
K L M N O
1
2
3
4
5
6
7
22K22
K
4.7K
4.7K
5.0V
0V
5.0V
0V
0V
0V
2.4V
2.4V
0V5.0V
5.0V0V
5.0V0V
8.0V
0V
3.8V
3.2V
8.0V
0.7V
0V
0V
3.4V0V
2.4V0.8V
2.5V
2.5V
8.0V0V
2.5V 0V
3.2V
8.0V
4.2VAMPW-ON
0V2.8V
FM0V2.0V
3.4V 4.8V
60mV
0V
5.0V 2.0V3.2V
PW-ON
AM
AM
AM
3.2V
3.4V0V
0V
4.1V
2.4V0V
2.0V3.3V
FMAM
0V
AMFM
4.2V
FMAM
0V3.3V
0V
AM
2.0VFM0V
AMFM
4.0V
8.0V
8.0V
8.0V
0V 3.5V
8.0V 4.2V
4.2V
8.0V
7.3V0V
7.3V
7.4V
0V 4.9V
14.4
V
0V 7.2V
DECODERRDS
∗ CN3
BUFFER
Q503
MPXBUFFER
Q201
NOISE ∗ EE-VOL.TUNER &
∗ Q40
D503
∗ D506
∗ D504
∗ C
J1
D3
D40
5
D40
7
D40
3
D41
0
∗ D505
AMPLIFIRE
Q502
FM RF
AMPLIFIRED501
AM RFQ501
D40
9
D411
D40
8
D40
2
D40
1
DRIVERMUTE
D26
5
D26
8
D26
4
J4
J4 TOP VIEW ∗ D REAR
D40
4
Q224Q223
MUTE
J5
C54
5
6800
P
∗ C537 8
R351 2.2K
R352 2.2K
C35
4
10u6.3
∗ C558
0.01
∗ C55
7
0.01
C35
310
u6.3
1
14
C351
15
2
∗ R17
3
C35
2
330P
1K
5.6K
C55
1
0.01C54
8 0.
022
12
W530
EXTRES
7
FILOUT
ARI8
GND
0.01
6
9FSEL
TM
VCC
10
11C550
0.033
2200
P
C54
9
L515
4.7u
H
51 77
16RDDA
OSCIN
OSCOUT
RDCL
3
OSEL
MPX
VREF
5
4
10P
X2
4.332MHz
13 C355
10P
T5714
15C356
2.2K
QUAL2
1
R353
62
C60
010
0u10
C55
510
00P
W53
4
0.01
L517
4.7uH
C546
R542 4.7K
∗ W403∗ W402
R205 4.7K
1K
R5411K
2.2K20
R204 W51213
61
57
W53
120
17
18
R547 22
14
15
W523
10
11
12
8
∗ C538
262524232221
C54
710
u10
R54
6
L514
4.7u
H33K
R5454.3K
LFOUT
OSCVCC20
19
PLL
VC
C
PLL
GN
D
LFIN
LFR
EF
LFH
C
323130292827
C55
4 0.
1C552
C593
0.0110.250MHz
∗ C55
3
1
X501
DE
VT
C
TU
NQ
UA
LIT
Y
DIG
VC
C
DIG
GN
D
XTA
LD
XTA
LG
ISS
TC
FMAGCVOUT
16
VCOB
VCOE
OSCGND
18
17
FMANTADJ
FMRFADJ15
14
FMMIX1IN2
FMAGC1OUT
FMAGCIN13
12
11
FMMIX1IN1
RFGND10
9
753
14
∗ C526
10P
R501 6.8K
∗ L507
∗ L505
R543
W507
W505
11
R52
2
∗ C52
3
∗ C521
∗ C52
4
∗ R52
1
∗ W40
0
C52
5
0.01
∗ C522
GND
100K
L4
C51
6
L501
6.8uH
45
C53
4
0.01
C58
3 0.
1
L511
4.7u
H
4.7uH
10.7
00M
Hz
W51
1
W508
∗ W40
1
∗ C52
8
R52
4
100K
C54
368
P
R544
C542
22P18
∗ C54
1
17
C54
415
P
6P
W50
0
100K
R52
7
W50
4
W41
5
R52
5
330
C533
0.01
C513 0.01
C515 1
7
6
3C514 0.01
R528
100K15 C512
4.7u16
W533100K
C53
11
C5352P
∗ C530 R52
310
0K
∗ C53
6
∗ L506
10
∗ W524
330
∗ R52913
∗ R52612
8 L5104.7uH
C5110.01
AM
MIX
2OU
T
AM
MIX
2IN
2
FM
AM
P2O
UT
FM
IFA
MP
2IN
FM
IFA
MP
RE
F
FM
IFA
MP
1OU
T
FM
IFA
MP
1IN
FM
NA
GC
IN
3
5
ANAGC1VOUT
ANAGC1OUT
ANAGC1TC
7
6
AMMIX1IN-
AMMIX1IN+4
TUNGND
VREF5V2
1
70∗ C
F53
0.1
C58
2
IF1G
ND
MIX
1OU
T2
MIX
1OU
T1
IFV
CC
7980 767778
TU
NV
CC
737475 7172
∗ C58
1
L508
R58
1
C5800.01
1K
∗ CF
52
L509
AM
MIX
2IN
16869 67
10.7
00M
Hz
C59133u10
∗ C5292P
33u10
W52
1
C50
60.
1
C507
L503
1mH
R50
5
C50
54.
7u16
C50
3
0.1
C50
215
00P
R502
2.2K
R50
6
1M
C50
822
u10
R503
2.2K
7
L512
4.7uHW601L5131K
6
R507 1K
C51
0
68P
100P
C50
9
C504
33uH
L502 0.01
46 44
L504
100uH3
2
1
4.7K
10.7
00M
Hz
CF
51 0.01
C585
12 RL
RR
FL
FR
W50
9
GN
D
OU
T
IN
321
450kHzCF54
∗ R253
∗ W408
∗ R252
∗ W407
C2530.22u50
∗ W161C252
0.22u50 4.7K
RR
-
FR
-
RR
+
DATA H
10DATA C
11
2
3
4R
403
4.7
R40
6 4.
7K
R40
5 4.
7K
R40
4 10
019 125 C40
310
0u10
A G
NDCH
CO
N
MU
TER
EQ
H
BU
D GND
9
13
REQ C
CLK
R41
1 10
0
R40
1 10
R41
0 10
0
R40
9 4.
7K
R40
8 4.
7K
R40
2 10
R40
7 4.
7K8C40
21u
50
1716 C40
11u
50
18 63
DAT
A H
DAT
A C Lc
h
RS
T
Rch
128
RE
Q C
CLK
5
4
3
117
13
10
9
6
51
6A GND
12 8
57RST MUTE
34
REQ H1
2
∗ W16
0
∗ C25
6
C22
410
u16
C22
310
u16
W15
6
R22
4
R22
327
0
W51
6
270
108642
OU
T2-
TAB
1
OU
T1-
OU
T2+
ST
BY
PG
ND
2
SV
R
PG
ND
1
VC
C1
∗ R2
6
R23
2
R23
110
0
R22730K
R22830K
100
∗ C227680P
∗ C228680P
C25
51u
50
41
BUPRchLch CHCON D GND
+
+
+
+
+
+
+
+ +
++ +
+ +
+
+
IC6
IC10
(X25-9600-xx/9612-7x)
∗ IC4
∗ WH1
P Q R S T
10K
47K
0V
3.9V
3.4V
3.2V
8.0V
8.0V
0V
3.0V
3.9V
3.9V
3.9V
4.8V
0V
2.2-4.5V3.0V
3.0V
3.0V
3.0V
3.0V
3.0V
5.0V0V
0.6-4.1V
3.0V
3.0V
3.0V
3.0V
3.0V
3.9V
5.0V
0V0V
0V
5.0V
0V5.0V
5.0V0V
0V5.0V 0V
5.0V
0-4.0V
0V5.0V
5.0V
5.0V0V
0V5.0V
5.0V0V
5.0V
0V5.0V
0V or 5.0V
TUNERCHANGE
AMFM
PW-ONAM
0V
FM 2.6V0V
AM
VAMFM
5.0V
0V3.7V
FM
1.4V1.2V0V
8.0V
0V
7.3V
7.4V 0V
7.2V
7.2V
7.3V
7.3V
7.2V
14.4
V
0V 7.2V
7.2V
7.2V
5.0V
0V
3.0V1.9V
5V0V
4.0VFM0V
0V5V
0V
4.2V2.4V
0V5V
4.4V
0V
5.0V 0V
5.0V 0V
0V
5.0V0V
5.0V
5.0V0V
0V
0V
5.0V
5.0V0V
5.0V0V
5.0V
0V or 5.0V
0V
or 0V5.0V0V
0V5.0V
0V5.0V
0V5.0V
0
5.0V
0V or 5.0V0V5.0V
5
7.4V
7.4V
0V 0V
0V
5.0V 0V
3.4V
or
14.4
V
7.3V
0V 4.1V
0V
5.0V 0V
5.0V 0V
0V
0V5V
5V0V
5.0V
0V
0V
E-VOL.TUNER &
D20
1D
202
CONTROLu-COM
SYSTEM
D26
3
D26
5
D26
8
D26
4
D26
2
D26
6
∗ Q251
D40
D10
1
RESET
POWER
SMETERRC &MPTHTC SW ∗ Q253
ON
∗
D
∗ Q252
AMPLIFIREPOWER
D26
7
D26
1 ∗ F
LOGICMUTE
D25
3
D25
1
D252
E2P-ROM
D20 Q70
DETECTORA. C. C
Q20
DETECTORB. U.
Q10D30
D70
MUTETEL
DETECTORSURGE
D10
J2
∗ A
TUNER-TYPEFMMUTETC
39
L516
4.7u
H
L515
4.7u
H
100P
C560
38373635343332313029
C55
4 0.
1552
593
.01
∗ C55
3
1
C56210u10C
561
1u50
RR
RL
FR
C5561000P
DE
VT
C
TU
NQ
UA
LIT
Y
DIG
VC
C
ISS
TC
OU
TF
R
OU
TR
L
OU
TR
R
AP
VC
C
AP
GN
D
VR
EF
3V
SC
L
SD
A
18 191716
131211 ∗ R41
3 10
0K
25
4.194MHz
2.2K45
40F
L
W501
AC
RIN
OU
TF
L
ACROUT
ACLIN
ACLOUT
IN2L
IN2COM
42
41
45
4443
44 ∗ W57877
IN2R
IN1R
IN1COM
C204
4646
4747
2.2u50
C56547u1048
TUNERIN
IN1L
TUNEROUT
4949
C2052.2u50
R56
1
C5640.4750
51
∗ C5682.7K
R133 12K
∗ R134
∗ C106
R1322.2K
51 C10515P
X1
TYPE RE77
∗ R10
2
1 2
4321
R10
4
R10
3
1K
R10
6 10
0K
1K
5 6
1K
98765 1110
N.C
AVCONT80
AV
SS
N.C
8EJE
SW
PAN
EL
PHONE
NOISE
79
78
N.C
AV
RE
F1
L-C
E
L-R
ST
L-D
ATA
L
AC
L
AD
A
17
R10
7 2.
2K
R12
1 2.
2K
R10
5 47
0
14 15
141312 1615 201918
CH
-DAT
AC
L-C
LK
L-D
ATA
S
R-Q
UA
L
R-D
ATA
CH
-RE
QH
CH
-DAT
AH N.
N.C
CH
-CLK
AF
N.
N.
CH-CO
VDD0
S-METER
AVREF076
75
IC
XT1
XT2
74
73
72
X171
70
S
N.
TYPE
TYPE
TYPE
1917151311975
FM
DE
MR
EF
FM
DE
M A
MIF
2AM
P R
EF
AM
IF2A
MP
IN
AM
AG
C2T
C
AM
MIX
2OU
T
C58
410
u10
509
67
DE
MG
ND
SM
ET
ER
C
646566 616263
GN
D
OU
T
IN
321
450kHzCF54
C58
8
0.47
C58
6
∗ C58
7
W51
0
0.1
FR
-
RR
+
FR
+
FL-
FL+
∗ C25
6
0.22
u50
0.22
u50
14121086
OU
T1-
OU
T2+
SV
R
PG
ND
1
VC
C1
SG
ND
IN1
OU
T1+
OU
T3-
OU
T3+
IN3
IN4
IN2
∗ R25
6
∗ W40
6
∗ W40
5
∗ R25
4
1K 4.7K
∗ R25
14.
7K
W16
2C
254
C25
1
40
∗ R32
47K
252321
R12
610
0K 59 5758 56 55 54 50 41C10
3 0.
1
∗ C58
9
58
1K54
SDA
SCL
C5630.47u50
R565 100K
52
R5661K53
SCL
SDA
SD
SMETER
QUALITY
AUDIOMUTE
R567
W5175555
W51956
57
C104
15P
R131
6.8K
R130 2.2K66
57
∗ R414 100K
R129 2.2K64
61
63
62
RDSMUTE
MPTHTC59
60
59
Q252,253
0.1V
OU
T
R12
82.
2M
61
R1272.2K
VS
S
60
NC
43V
DD
12
R1231K
KEY-REQ
68
X2
VDD169
Vss0
CD-SW267
66
CD-SW165
64
CH-REQC
R-CLK63
62
Vss
TUNER-TYPE
DATA
MUT
CL
5058
M-M
UT
E
RE
SE
TREMO
61
5960
CD
-SW
3
MO
SW
LO/E
J
M-S
TOP
M-R
ST
555657
DS
I
N.C
N.C
51525354
CP31Kx2
R12
5 1K
R12
2 10
0 2.2Kx2CP2
43A
CC
-DE
T
PS
1-0
PS
1-2
PS
2-0
47
PS
2-1
BE
EP
4849
PS
1-1
444546
P-S
TB
Y
SW
5V
B.U
-DE
T
N.
P-MUT
4142
SV
R69
10K
R68
10K
∗ R67
10K
CP110Kx2
R26
4 47
K
R25
5 33
K
0.01
∗ C590
0.1
∗ C592
100u
6.3
C10
20.
01
C10
1
12
RL-
RL+
∗ C40
40.
01
8
1
R41
5
100K
21 543
VC
C
L101
4.7uH
C40
0.0
1
GN
D
6 7
100K 100K
R23 R12
W532
R56
3
ACL
∗ R26
075
0
∗ W40
9
2
2422201816A
CG
ND
OU
T4-
OU
T4+
HS
DP
GN
D3
VC
C2
PG
ND
4
MU
TE
C25
81u
50
∗ R258
R20
1 47
K
1314 10 91112
4
3
5SDA
R56
410
K
SCL6
GND
A2
A1
ADA
∗ R26
3
∗ R26
1
C25
71u
50
50 39
470TH1
R25
7
6.2K
W158 1
35
WP
VCC7
8
A0R71
8
SDA
10K
SCL
C21
0.01
R22
10K
R11
10K C30
∗ R3122K
0.01
R72
36K
R73
100K
82K
R30
10K
3.3K
1/2W
R21
33K
R20
RE
AR
Rh
FR
ON
T R
ch-
RE
AR
Lch
-
RE
AR
Lch
+
FR
ON
T L
ch+
FR
ON
T L
ch-
R1030K
FL-
RL+
FL+ RL-
FR
-
51 3
42 6
+
+
+
+
+
+
+
+
+
+
+
+
IC10
IC8
IC11
∗ IC1
IC12
U V W X Y
1
2
3
4
5
6
7
47K
10K
0VV
V
V or 5.0V
5.0V0V
5.0V
5.0V
0V or 5.0V
0V
0V5.0V
0V
0V5.0V
5.0V
0V
5.0V0V
10.3V
5.0V
1
VDD34
1
7
35
VDD
5.0V
14.3V
8.1V
7.9V
14.0V
8.1V
14.0V
0V
∗ D10
8
P1
X16-
∗ D10
9
∗ D10
6 J1
2/2
PANEL5VSW
∗ D110
∗ Q102
D103
∗ J3
S2V20∗ A orQ55D51
∗ B
D102
Q50
5VSW
MECHA
DRIVERDSI
Q101
to
D504-506D501,503
407-410D106,108,109,403-405,
D40,101,251-253
D10,20,70,201,202,401,
D110
∗ Q53
CN1
D411
D50
D1
D103D51D50
D12,14D11,13
402
D3
D1
HZS12A2:MA3062WA
∗:RN739F:
:
MA4082(N)-L
MA4062-L:
DA204U::
DAN202U:1SS133:
MA4068(N)-M
AM01Z:D1F60:
:
IMSA-68011N5393G-M6
:
:
Q51
0
MUTETEL
Q223,224
Q10,20,70,101,201,503
∗ D12
AVRSERVO
CONTROLAVRSERVO
Q102
Q253
Q502Q501
Q252Q251
∗ D11
Q55Q51,53Q50Q40
∗ D14
∗ D13
(MULTI AVR)
IC11IC12
IC10IC8IC7
SUPPLYPOWER
IC1IC4IC6
DTA114YUA:
UMA1N
3SK126:CPH5905:
:
DTC114YUADTC143TUA
UMG4N:::
2SA1036K
2SD2375:UMC2N:
:DTA124EUA:2SC4081:
PST3435UL:
S-24CS02AFJ-TBM24C01-WMN6T orBR24C01AF-W or:
HD74HC27FPBA4911-V4
TDA7513:::
TDA7479AD
∗∗
:::
GND LINESIGNAL LINE
B LINE
(X25-96XX-XX)
EA DB C F
∗ A
TUNER-TYPE1
∗ R412 100K
R110 4.7K
19
25
TYPE REF
2019C
H-R
EQ
H N.C
N.C AFS
N.C21
22
N.C
CH-CON
23
24
25
28
SD
N.C
26
27
TYPE229
TYPE0
TYPE130
31
ESD-G15
59
R58470
R164 470
∗ R170 1K
∗ R171 47
R172 1K1
61
12
SW5V
PANEL14
13
REMO
L-DATAS
12
11
R166 1K
R165 4706
13 L-CLK
L-CE
10
9
∗ W404
∗ R136 47K
55
∗ R138 47K
∗ R135 47K
∗ R140 47K
∗ R137 47K
∗ R139 47K
R113 47K2W
C14
2
0.1
R169 1K
∗ R168 1K
R167 100
60
11
5
RST6
L-DATAL
L-RES
8
7
LED+B
LAMP+B
5
4
R163 10
ILL-GND
PAN5V
D-GND
3
2
1
R57
1.5KR
32
47K 27uH
3300
u16
41
Vss132
33
TUNER-TYPE034
DATA
MUTE35
CLK
36
37
P-S
TB
Y
39
N.C
P-MUTE
38
41
SVR40
R26
4 47
K
R25
5 33
K
W532
SERBOGND21R101
D GND9R117
R114 47K
∗ R111 0.1
∗ R112 0.1
2W
36
35
R116 10K1K
R119 47K
37R118 10K1K
R115
37 MSCLK4
R143 4.7K
R141 4.7K
66
64
SW22
D OUT1
SW13
W165
4.7K
∗ R14
2
2
36 MSDA
MECHDET
5
6
BU 5V
N.C7
8
39
47KR174R108
2.2KADJ
40R259 22K
240
49 Lch15
R144 100K58
59
57
M RST12
M MUTE
N.C
10
11
M STOP
AUDIO+B
13
14
56
47
55
LO/EJ18
GND
Rch
16
17
MO SW
SERBO+B
19
20
SW2
C5610u50
R145
2.2K54 SW322
12ILLUM
10u2
5
R51
47K
R50
5.6K
C6322u16
C55
220u16 9
11
10SW1
VBU
C57
C1
C58
100u
16
BU5V8
RE
AR
Rch
+
0
∗ R3122K
1
RE
AR
Rch
-
FR
ON
T R
ch+
FR
ON
T R
ch-
RE
AR
Lch
-
RE
AR
Lch
+
FR
ON
T L
ch-
FL-
RL+
FL+
FR
+
RL-
FR
-
RR
-
751 3
42 86
10u2
5
∗ W41
0
C5410u16
C5310u16
C5210u16
∗ R25
4.7K
AM+B
L2VCC
7
AUDIO+B6
∗ C51
FM+B
5
P-ANT4
3
4.7K
RR
+
∗ R28
140u
HL1 GND
FUSE13 15119
AC
C
P-C
ON
P-A
NT
GN
D
1210 14 16
B.U
.
C50
10u2
5
P-CON2
GND1
NOYESNONONOYES5.6K430100YES 180KYES00-12 YES
YES
YES
NO
12-74 NO
12-75 NO
00-22 NO
180KNO 430100 5.6K NO NONO
4.3K
180KNO 430100
YES 10220
5.6K NO NONO
5.6K NO YESNO
YESYES NO
YESYES NO
YESNO NO
E58-0879-05
E58-0879-05
E58-0879-05
E58-0879-05
171,412-414R67,137,170,
W405-
521 32,140253 136Q53102L507 Q251L506
L31-0970-05
L31-0971-05
L31-0970-05
L31-0970-05
254,256,260R138,251-
No.UNIT
R135
12-74
00-22
12-75
No.
00-12
YES
R263R258R139 R261
YESL32-0934-05 NO
W160,161R526 409404
W400-
NO YES YES YES
NO
YES
YES
YESL32-0933-05 YES
YESL32-0933-05 NO
YESL32-0933-05 NO
YES NONO YES
NO YES YES YES
NONO YES NO
YES
YES
YES
D13,14,106,110
YES
12-74
UNIT
YES
12-75 YES
NO00-12
00-22 YES
UNITNo.
D11,12
UPD780058GC503
UPD780058GC499
Q40,
NO NO KV1735S
NONO KV1720S
Q252, R25,
TDA7386
R28, R31,
TDA7386
UPD780058GC501
UPD780058GC499
KV1720SNO NO
NOYES KV1720S
D108 D109 D504-506
TDA7386
TDA7560
IC1 IC4
142,168,173,529
W524578W410, WH1
NO NO
NOYES
NO NO
NO NO
L31-0968-05
R102,111,112,134,
L31-0967-05
L31-0967-05
L31-0967-05
L505J3
268 4
100u50
33u50
C256
100u50
100u50YESNO 1000PYES12-74 NO NO
C528,
12-74 NO YES
12-75 5P YES
No.
00-12
00-22
5P YES
5P YES
KDC-2094YG (E)
UNITC526 589
8P
10PNO 8P 2P
NO 4P 4P
0.0471P 820P 2P
0.0474P 820P 2P
C537,
8P
538
8P
558,590,592
NO
NO
4P 4P
4P 4P
C530C529,557,
C536
0.01
0.01
4P
4P
820P 2P
820P 2P
C553C541 C568 C581
KDC-222S (K)
KDC-2024SG (E)KDC-2024SYA (E)KDC-2024SYG (E)KDC-2094YA (E)
KDC-2023 (M)
KDC-2024SA (E)KDC-3023 (M)
KDC-222 (K)NAME
MODEL
NO
YES
12-75 NO YES
00-22 NO YES
1000PNO YES
1500PYES NO
NO
UNIT
00-12 NO
No.
YES
C106
1500P
C51,404
NO
C227,228
NO
15P 100P39P0.1
L72-0716-050.01 NO
L72-0716-050.01 NO
L72-0781-05
L72-0781-05
0.01
0.01
NO
NO
CF52,C587 53 CN3
33P0.1 27P 100P
33P0.1 27P 100P
C522C521
33P0.1
C523 C524
27P 100P
GRY/BLKVIOL/BLK
RL-
RR-
RL+
GRN/BLK
GRN10
11
9
WHT/BLK
WHT7
6
8
RR+
TEL MUTE
413
VIOL12
GRY5
14BRN BLU/WHT
3
BLU/WHT
16YEL
15
1BLK
RED2
GN
D
B.U
P
FL-
FR-
FL+
ANT. CON
P. CON
FR+
REAR LWHT/BLKFRONT L GRN/BLK
RR
-
VIOL/BLK
VIOL
YEL
AC
C 57 3
5 37
68 4
FR
-F
L+
RL+
FR
+
RL-
FL-
143
GND
ACC
OUT
161
RED
BLK
152
ANT. CONT
FRONT R
P. CONT
125BLU
BLU/WHT
134
GRY/BLK
GRY
10
11
7
6
1A
P.CON
1
2B
RR
+
BU
REAR R
GRNWHT98
+++
+
+
+
+
++
+
+
KDC-222/222S/2023/3023
A
IC7
(E30-4790)KDC-2024SA/SG/SYA/SYGKDC-2094YA/YG
DC CORD
KDC-222/222S/2023/3023(E30-4784-05)
DC CORD
KDC-2024SA/SG/SYA/SYGKDC-2094YA/YG (1/2)
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instrumentsor/and units.
!
Z AA AB AC AD
1
2
3
4
5
6
7
0V
0V5V
5.0V
0V
5.0V
3.3V
1.7V
5V0V
0V5V
1.7V0V
0V5V
0V
14
S12
S10 S8
S9
15 16
S11
17 18
S14
S13
19 20
S15
21 22
S16
S17
23 24 25 26 27 28 29 30
S27
S19
S37
S39
S40
31 32
S38
33 34
S35
S36
35 36
S18
37 38
S23
S21
S20
39
S22
S25
S24
S26
S29
S28
S30
S31
S32
S33
1 2 643 5 7 8 109 11 1312
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 391 2 643 5 7 8 109 11 1312
S5
S6
S7
S34
C2
C1
C3
ILL-GND
D-GND
SW5V
LAMP+B
LED+B
L-DATAS
L-CLK
L-CE
L-DATAL
PAN 5V
RST
PANEL-ESD-GND
KI1
KI2
KI4
KI3
C3 0.047
C1
C2 0.047
R8 56K
0.01
R10 4.7
4.7K
79
80
78
77
80
79
77
78
R2 470
R4 470
R5 1K
R3 470
KS
5
S25
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40K
S4
KS
3
KS
2
C3
C2
C1
∗ R20
510R18
510R17
R16510
R14
330R15
330
KI1
KI2
KI3
KI4
KI5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
KI5
∗ R19
0.01
C9
220R21
220R22
1000P
+B
+B
+5V
+5V
TP35
TP32
TP31
TP30
TP29
TP27
TP28
TP26
TP22
TP21
TP5
TP4
TP3
TP1
TP2
TP9 TP8 TP6TP7
TP15
TP14
TP13
TP12
TP11
C4
R7
1 2O
UT
VC
C
4 3G
ND
2
GN
D1
R12 1K
2.2
∗ R13 47
IC2
+5V
+5V
TP33
TP24
TP34
∗ C5
REMO
∗ C6 0.01
∗ C7 0.01
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
KS
5
KS
4
KS
3
KS
2
N.C
.
CO
M3
CO
M2
CO
M1
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
KE
Y
N.C
.
N.C
.
N.C
.
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
KS6
KI1
KI2
KI3
KI4
KI5
TEST
VDD
VDD2
VDD1
VSS
OSC
L-DATAL
L-CE
L-CLK
L-DATAS
SW
N.C
J1
Q1
∗ D18
J3X14-
1/2
KEY DETECTSW
RST
∗ D22
LCD DRIVER
∗ D17
∗ D19
S17
∗ D7∗ D8
∗ D2 ∗ D1∗ D3
∗ D6 ∗ D5 ∗ D4
∗ D20 ∗ D9
∗ D12 ∗ D13
∗ D11
∗ D10
REMOTESENSOR
∗ A
(BO
TTO
M V
IEW
)
10K
10K
ED
1 (S
EG
ME
NT
)SWITCH UNIT (X16-1460-xx/2370-12)
A
ED
1 (C
OM
MO
N)
IC2
IC1
ED
1 (C
OM
MO
N)
ED
1 (S
EG
ME
NT
)
(B38-1080/1081/1126-05) : KDC-4023/202MR/2024SA/2024SG/2024SYA/2024SYG/2094YA/2094YG/2022/2022V/2023/3023/RX-491CD/RY-391CD (B38-107
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be
carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individualinstruments or/and units.
!
AE AF AG AH AI
1
2
3
4
5
6
7
S14
S29
1 2S
30
963 4 5 7 8 1110 12 1413 15
S27
S28
S17
S20
S18
S22
S23
S26
S25
S24 S21
S19
22191716 18 20 21 2423 25 2726 28
S15
S13
S12
S16
S31
S38
S36
S33
S35
S32
S34
S40
S37
323029 31 33 3534 3736 38 39
1 2 963 4 5 7 8 1110 12 1413 15 22191716 18 20 21 2423 25 2726 28 323029 31 33 3534 3736 38 39
S7
S10
S39
S11 S8
S5
S9
S6
C2
C1
C3
KI1
KI2
KI3
KI4
KI5
KS
2
KS
3
KS
4
KS
5
RX-491CD (J)
MODEL NAME
YES
TP15
TP14
TP13
TP12
TP11
TP16 TP17 TP18
TP19
+B
No.
X16-1460-01
UNIT D1-13,20
(GREEN)B30-1533-05
D17,18
B30-1633-05
D19
YES
C6,7
390
R19,20
B30-1564-05 or
(BLUE)B30-1533-05B30-1533-05
X16-1460-03RY-391CD (J) NO NO (GREEN) B30-1633-05(GREEN) 510
X16-1460-11KDC-4023 (M) YES YES (GREEN)B30-1533-05
B30-1633-05 390
X16-1460-12KDC-202MR (K)B30-1533-05
YES NOB30-1533-05
(GREEN) B30-1633-05(GREEN) 510
X16-1460-13B30-1533-05
NO NOB30-1533-05
(GREEN) B30-1633-05(GREEN) 510KDC-1023S (M)KDC-1023 (M)
KDC-2024SYG (E)KDC-2094YG (E)
KDC-2024SG (E)B30-1533-05
(GREEN)B30-1533-05
(GREEN)NO B30-1633-05 510NOX16-1460-14
B30-1567-05X16-1460-15KDC-2022V (K) 390YESYES (RED) B30-1633-05
X16-1460-16KDC-2094YA (E)KDC-2024SYA (E)KDC-2024SA (E)
510B30-1567-05
(RED)NONO (RED) B30-1633-05B30-1567-05
X16-1460-20KDC-2023 (M) 510NOYES (GREEN) B30-1633-05(GREEN)B30-1533-05 B30-1533-05
X16-1460-21KDC-3023 (M) 510NOYES (RED) B30-1641-05(RED)B30-1567-05 B30-1567-05
X16-2370-10KDC-2022 (K) 390B30-1567-05
YESYES (RED) B30-1633-05(BLUE)B30-1564-05
X16-2370-11KDC-122S (K)KDC-122 (K)
510B30-1567-05
NONO (RED) B30-1633-05(RED)B30-1567-05
X16-2370-12KDC-222S (K)KDC-222 (K)
510B30-1567-05
NONO (RED) B30-1633-05B30-1564-05
(BLUE)
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
YES
C5 R13
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
D22
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
B30-1642-05
B30-1564-05 orB30-1642-05
(BLUE)
(BLUE)B30-1642-05
B30-1564-05 or
: ∗D1-13,20
Q1 : DTA114EUA
IC1 : LC75853NE
VOL+
VOL-
SRC
AUD
TI
CLK
ATT
1
2
4 3
5
6FM
AM
: MA3062WA: ∗
D22D19
S3
S4
S5
S6
S2
S1
S7
S8
S21
S20
S19
S18
S9
S10
S11
S12
S16
S15
S14 S13
S26
S22
S27
S23
S25
S24
B LINEGND LINE
: RS-171IC2 D17,18 : ∗
A
ED1 : ∗
ED
1 (C
OM
MO
N)
ED
1 (S
EG
ME
NT
)
(B38-1079-05) : KDC-1023/1023S/122/122S/222/222S
KDC-2022/V/202MR/4023 (2/2)KDC-122/S/1023/S (2/2)KDC-222/S/2023/3023/2024SA/SG/SYA/SYG/2094YA/YG (2/2)RX-491CD/RY-391CD (2/2)