s.m.a.r.t. service material and reference tips

______________________________________________________________________________© 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 of 11


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



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



Replacing the Light Engine under Warranty requires a concession number to be obtained from Technical Support. 1-800-345-9785



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


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.



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.



Video Signal Paths (Analog)



Audio Signal Paths (Analog)



Audio Signal Paths (Digital)



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


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