______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
S.M.A.R.T. Service Material and Reference Tips
Product: DLP 2006 Date: 2/3/2010 Models: 50HM66, 50HMX96, 56HM16, 56HM66, 56HMX96,
62HM116, 62HM196, 62MX196, 72HM196, 72MX196 Doc Ref/File: SMART200601_Version2.3 Purpose: The purpose of this document is to give the service provider information regarding the troubleshooting and diagnostics of Toshiba Consumer Products. [The information contained within the document will evolve over time so a version number has been indicated in the document name. The servicer when possible should always use the latest version available.] Table of Contents
Part I Troubleshooting Flowcharts Page Lamps Fails to Start……………………………….. 2 Dead “Does not Cycle”……………………………. 5
Continual Booting Blink Code ............................. 6 Part II Connection Diagrams
Power Supply Connections………………………. 7 Video Signal Path (Analog)……………………….. 8 Audio Signal Path (Analog)……………………….. 9 Audio Signal Path (Digital)………………………… 10
Part III Cabinet Disassembly Front Bezel Removal XXhm66 and XXhmx96….. 11
NOTE:
SMART200601_Version2.3 Page 1 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Lamp fails to light
Power the Set On using the power
button
Is a Power Relay Click
heard?
Repair Chassis Power Supply and/or System
ControlNo
Do any of the LED’s light or
blink?No
Yes
Select LED Blink Sequence after pressing the Power Button
Yes
YELLOW - 1/2 second blinkBLUE - SolidRED - Off
YELLOW - SolidBLUE - OffRED - Off
YELLOW - SolidBLUE - OffRED - .5 second blink
YELLOW - OffBLUE - OffRED - .5 second blink
YELLOW - OffBLUE - 1 second blinkRED - Off
YELLOW - OffBLUE - SolidGREEN - .5 second blinks
UNKNOWN Sequence or No Sequence
Trying to Light the Lamp (Chassis will try this cycle about 8 times)
Inspect Lamp Assy / Substitute
Lamp
Lamp Defective?
No
Did Lamp Light within 8 Cycles?
No
Yes
Yes
Lamp door is OPEN. Check Lamp Door Switch and Cables between the Switch and Chassis
One of the Optical Engine Fans Has Stopped
BUS Line Error. Refer to Chart 4
POD Fan Has Stopped(Lamp will still light but has error Indication on
Screen)
Unit is Working OK
Replace LAMP
Go To Chart 2
Troubleshooting Flowchart 2006 DLP “Lamp Fails To Start” (Chart 1)
The lamp has failed to light after 8 attempts
Refer to Chart 4
V1.0
SMART200601_Version2.3 Page 2 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Does the Color Wheel Start?
Check for 5vdc on pin 3 of plug CN3
on the Ballast Board (5 pin plug)
Fig. 1
Is the 5vdc present? Go to Chart 3
No
Yes
Check Ribbon Cable from the Color Wheel to the DMD Formatter Board. Connector labeled [CW
OUT] on Formatter Metal Shield
See Footnote 1.
Problem Resolved?
Yes
From Chart 1
Troubleshooting Flowchart 2006 DLP “Lamp Fails To Start” (Chart 2)
Is Thermal Sensor across P805 Open?
Reset Thermal Sensor
Change Ballast Power Supply
Yes
No
Replace Optical Engine
Unplug the TV from AC and
remove the back cover
Remove 2 screws holding the optic engine in place
and slide back to gain access.
Re-Apply AC and Power the set on using the power
button.
12v present on J11 Pins 1,2?
120vac across P807B?
Approx 300v present across
P811A?No Yes
Check Chassis Power Supply
YesNo
Yes
Yes
Plug CN3
Pin 1Pin 2Pin 3Pin 4Pin 5
Fig. 1
BlackBrownRedOrangeYellow
No
No
Repair Connections
DMD Formatter PCB
Ballast Power Supply PCB
Footnote 1. The Color Wheel will emit a high pitched whine when the TV Receiver is first turned on.
V1.0
No
Replacing the Light Engine under Warranty requires a concession number to be obtained from Technical Support. 1-800-345-9785
SMART200601_Version2.3 Page 3 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Replacing the Light Engine under Warranty requires a concession number to be obtained from Technical Support. 1-800-345-9785
SMART200601_Version2.3 Page 4 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Yes
Power Does Not Cycle
9 Volts at Capacitor CS110(+)
Is POD Fan Running?
No
A cycle is when the Blue LED goes solid then after 10
seconds the Yellow LED flashes 15 times before both
go out and restart again
20 Volts at P823B Pin 3?
12 Volts at P823B Pin 6?Yes
No
Check F875 and Power Supply
Check F873 and Power Supply
No
5.0 Volts at PB504 Pin 4?
Check F840 and Power SupplyNo
Yes Change Regulator PCB or POD Fan
9 Volts at Capacitor CS110(+)
3.3vdc at PB90 Pin 4?
No
Yes
Yes
Change Digital PCBYes
No 6 Volts at Pin 18 of PB90?
Change Regulator PCB
No
3.3 Volts at PB80B Pin 19
and 20?
Change TV-Micro PCB
Troubleshooting Flowchart 2006 DLP “Dead / Does not Cycle” (Chart 4)
Is the Blue LED Solid and the Others Off?
Yes
Are the Optic Engine Fans
Running?
No
Yes
Change Optic Engine
No
Location PCBPB504 Back AV
CS110 Back AV
P823B Regulator
P822B Regulator
PB90 Regulator
PB80B Regulator
No
Yes
NoYes
Change Regulator PCB
Yes
V1.0
PB80B
PB90
P823B P822B
CS110
PB504
Back AV & Regulator PCB
SMART200601_Version2.3 Page 5 of 11
Doesa front
LED continually blink 3 times then
pause?
No
Refer to LED error codes
Is 12 volts
present at pin 6 of connector P823B on
the regulator PCB?
Yes
2006 DLP -LED Blinks 3 Times Constantly (Stuck in Boot Cycle)
NoYes
Suspect the power supply
PCB.
Suspect regulator
PCB.
YesNo
If set is in the power save mode, the 12 and 3.3 volt sources may be missing.If unsure about mode, disconnect AC for 30 seconds, reapply AC and check 12 volts. Voltage should be present for a short period regardless of mode.
Is 3.3volts present at pins 7 and11 of
connector PB90 on the regulator
PCB?
Suspect digital seine
PCB.
SMART200601_Version2.3 Page 6 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
TOSH
IBA
50H
M66
, 50H
MX9
6, 5
6HM
16, 5
6HM
66, 5
6HM
X96,
62H
M11
6, 6
2HM
196,
62M
X196
, 72H
M19
6, 7
2MX1
96Ve
r 1.5
POW
ER S
UPP
LYPO
WER
UN
ITR
EGU
LATO
R P
CB
TV-M
ICR
O P
CB
DIG
ITAL
TU
NER
P80
0P
822A
P82
2BP
B80
BP
B80
AP
J101
CN
811
(120
vac
)Po
wer
_DM
D2
2P
ower
_Sig
_Det
32v
11
32v
32v
22
32v
2(1
20 v
ac)
Pow
er (2
.7v)
33
Pow
er (2
.7v)
Fuse
12v
44
12v
5v3
33
5v3
5v1
66
5v1
FE20
20vd
b5v
36
65v
35v
34
45v
332
v8
832
v5v
37
75v
31.
6v6
61.
6v5v
29
95v
25v
28
85v
2P
823A
P82
3B5v
111
115v
120
v3
320
v3.
3v1
1313
3.3v
120
v4
420
v1.
6v15
151.
6v12
v6
612
vA
C_D
ETE
CT
(3.3
v)18
18A
C_D
ETE
CT
(3.3
v)Fu
ses
PO
WE
R_T
V (3
.3v)
1919
PO
WE
R_T
V (3
.3v)
F871
32v
POW
ER_S
IG (3
.3v)
2121
PO
WE
R_S
IG (3
.3v)
F873
20v
PO
WE
R_P
RO
TEC
T (0
v)23
23P
OW
ER
_PR
OTE
CT
(0v)
F877
Audi
o_V
ccD
OO
R_S
W25
25D
OO
R_S
WF8
7512
vB
ALLA
ST P
OW
ERK
EYB
OAR
DF8
405v
1P
880A
P88
0BPB
93A
PB
93B
F801
120v
ac5v
11
15v
1D
IGIT
AL P
CB
POW
ER_K
EY3
3P
OW
ER
_KE
YA
C_D
ET
33
AC
_DE
TP
B90
CN
90LA
MP
_DO
OR
(3.6
v)4
4LA
MP
_DO
OR
3.3v
d14
43.
3vd1
P80
7A3.
3vd1
55
3.3v
d1(1
20va
c) A
C_E
NG
INE
1P
807B
3.3v
d16
63.
3vd1
(120
vac)
AC
_EN
GIN
E3
1A
C_E
NG
INE
3.3v
d17
73.
3vd1
LED
PC
B3
AC
_EN
GIN
EB
ALLA
ST3.
3vd2
1111
3.3v
d2PB
92A
PB
92B
Pow
er S
uppl
y Vo
ltage
Cha
rtP
811B
P81
1A3.
3vd2
1212
3.3v
d25v
11
15v
1St
and
By
(Alw
ays
On)
320v
11
320v
3.3v
d213
133.
3vd2
Switc
hed
320v
33
320v
3.3v
d214
143.
3vd2
Inpu
t (T
o C
BA
)6v
d18
186v
dB
ACK
AV
PCB
Out
put
(Fro
m C
BA
)Fu
se6v
d19
196v
dP
501A
P50
1BO
PTIC
EN
GIN
EF8
9920
vdb
2323
20vd
b5v
137
375v
1P
812
J11
120v
ac12
v39
3912
v12
v1
112
vP
904
9v41
419v
12 v
22
12 v
PO
D_F
AN
25v
343
435v
3P
B50
45v
14
IR_O
UT
5P
831A
P83
1BA
UD
IO_G
ND
11
AU
DIO
_GN
DA
UD
IO_V
CC
33
AU
DIO
_VC
C
© 2
006
Tosh
iba
Amer
ica
Con
sum
er P
rodu
cts,
Inc.
SMART200601_Version2.3 Page 7 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Video Signal Paths (Analog)
SMART200601_Version2.3 Page 8 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Audio Signal Paths (Analog)
SMART200601_Version2.3 Page 9 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Audio Signal Paths (Digital)
SMART200601_Version2.3 Page 10 of 11
______________________________________________________________________________© 2007 Toshiba America Consumer Products, LLC.
Front Bezel Removal 50HM66, 50HMX96, 56HM16, 56HM66, 56HMX96
1. Remove 7 Screws from cabinet Back 2. Remove Front Plate 3. Remove 2 Screws 4. Pull front Bezel up then out
SMART200601_Version2.3 Page 11 of 11