Toshiba 32UL863G User manual

SERVICE MANUAL

LCD Color Television

32UL863G

Ver. 1.00

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ADJUSTMENT

Service Mode

Entering to Service Mode



1. Press buttononceonremotecontrol.

 

↓

 



2. Press buttonagainandholdbuttondown.

 

↓

 

Service Mode display 



3. Whileholdingthe button,pressMENU

buttononTVset.



Displaying the Adjustment Menu

PressMENUbuttononTV.



Service Mode



Press ↑ ↓ Press



Adjustment Mode

Key Function in the Service Mode

Thefollowingkeyentryduringdisplayofadjustmentmenuprovidesspecialfunctions.



Selecting the Adjusting Item

EverypressingofPROGRAMME buttonintheServiceModechangestheadjustment

itemsintheorderoftablebelow.( buttonforreverseorder)

SETTING & ADJUSTING DATA

CAUTION: Never try to perform initialization unless you have changed the

memory IC.

Test signal selection button (on remote control)

Selection of the adjustment items P (on TV or remote control)

Change of the data value Volume +/- (on TV or remote control)

Adjustment menu mode ON/OFF MENU button (on TV)

Initialization of the memory "i+" + P button on TV

Turn off TV Micro I2C bus communication "i+" + Volume button on TV

"RCUT" selection 1 button

"GCUT" selection 2 button

"BCUT" selection 3 button

"CNTX" selection 4 button

"COLC" selection 5 button

"UVTT" selection 6 button

Automatic A/D Adjustment

(PC, Component, Composite (PAL, NTSC)) 7 button

Self diagnostic display ON/OFF 9 button

[ SERVICE MODE ]

ADJUSTING ITEMS IN THE SERVICE MODE:

ThelisteditemsaresettopropervaluesaftersettingthecorrectModelIDdata(Referto

InitializationofTVMicro).



Adjusting the Data

Item Name of adjustment

R-CUT RED CUTOFF

G-CUT GREEN CUTOFF

B-CUT BLUE CUTOFF

R-DRV RED DRIVE

G-DRV GREEN DRIVE

B-DRV BLUE DRIVE

BRTC BRIGHTNESS CENTER

COLC COLOR CENTER

UVTT BASE BAND TINT

CNTX CONTRAST MAX

MOID MODEL ID

PLVN PANEL VENDOR

PLSZ PANEL SIZE

OPT5 OPTION DATA 5

OPT2 OPTION DATA 2

OPT6 OPTION DATA 6

OPT7 OPTION DATA 7

OPT8 OPTION DATA 8

HTLID HOTEL ID

VOLX MAXIMUM VOLUME LEVEL

PressingofVOLUME +/-buttonwillchangethevalueofdataintherangefrom00Hto

FFH.Thevariablerangedependsontheadjustingitem.



Convert from Bit (Binary) to Hex

Thetableforconvertingfrombit(D7-D0)tohex(0x**).

E.g.IfBitD7-0=01011010,Hexdatais0x5A.



BIT (Binary)

High nibble D7 D6 D5 D4

Low nibble D3 D2 D1 D0

HEX 00 0 0 0

10 0 0 1

20 0 10

30 0 1 1

4010 0

50101

601 1 0

701 1 1

8 1 0 0 0

9 1 0 0 1

A 1 010

B 1 01 1

C 1 1 0 0

D 1 1 01

E 1 1 1 0

F 1 1 1 1

Exit from Service Mode

PressingPOWERbuttontoturnofftheTVonce.



Initialization of TV Micro Data

AfterreplacingDigitalBoard,thefollowinginitializationisrequired.

1)EnterServiceMode.



2)SelectmenuofMOIDbypressingP orP duringdisplayofadjustmentmenuinthe

ServiceMode.



3)ChangeMOIDdataintoMODELIDtoinitializebypressing +or -,referto

"MODELIDTABLE".

Forexample,ifinitializing32RV753,changeMODELIDinto"0x0A".

Note:

MODELIDishexvalue.



4)Executeinitializationofthememory.

Referto"KEYFUNCTIONINTHESERVICEMODE".

Press"i+"+P buttononTV.



5)TVisautomaticallyturnedoffandonafterthememoryinitializationiscompleted.



6)EnterServiceModeandselectVersionCheckMode.ConfirmiftheMODELID

correspondingtothemodelnameissetcorrectly.Ifnot,dooveragainfromthestart.

Note:

IfthewrongMODELIDisset,abnormaldisplaymightappear.



MODELIDTABLE

Model Name Model ID

(HEX)

Panel

Vendor

Panel Inch

Size ID (HEX)

Panel Vendor

ID (HEX)

Option Data

(OPT5) (HEX)

32RV753 0x0A AUO 0x05 0x04 0x00



Initializing Data setting flowchart after replacing the Signal Unit





Test Signal Selection

Everypressingof buttonontheremotecontrolchangesthebuilt-intestpatternson

screenasdescribedbelowinServiceMode.





37RV753 0x0B AUO 0x06 0x04 0x00

40RV753 0x0C SAMSUNG 0x0E 0x06 0x00



Self Diagnostic Function

1. Press"9"buttononremotecontrolduringdisplayofadjustmentmenuintheService

Mode.ThediagnosiswillbegintocheckifinterfaceamongIC'sisexecutedproperly.

2. Duringdiagnosis,thefollowingdisplaysareshown.

*Selfcheckdisplaysanditemsaresubjecttothemodels.

Picture Signal

Red raster

Green raster

Blue raster

All Black

All White



Block:

Item Explanation/Data Format

1 TV CPU SW

Version

Version information of TV-MICRO. Display 1 byte data. (Hex)

2 EEPROM Version Version information of TV-MICRO EEPROM. Display 1 byte data.

(Hex)

3 POT Total time the TV has been powered on. (Unit: Hours) (Decimal)

4 MAIN PLL Displays Data 11 - Data 18 (8 bytes) of tuner control data. (Hex)

5 BL_STATUS 1 The total number of times that the panel did not light. (backlight

double-light also failed) (Decimal)

6 BL_STATUS 2 The number of times that the backlight failed to light. (Decimal)

7 Block UV : ATV reception mode

V1 – V8 : VIDEO 1-8 input mode (see Block table)

PC : PC input mode

DTV : DTV mode

For current input : OK: Signal Sync Detected

NG: No Sync Detected

8 Bus Errors IIC-BUS status. None is normal.

"SCL-GND" (Red indication) : SCL-GND short circuit

"SDA-GND" (Red indication) : SDA-GND short circuit

UV ATV

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