Toshiba 32XV566D User manual

SERVICE MANUAL

LCD Color Television

32XV566D

Ver. 2.00

This model is classified as a green product (*1), as indicated by the underlined serial number. This

Service Manual describes replacement parts for the green product. When repairing this green

product, use the part(s) described in this manual and lead free solder (*2).

For (*1) and (*2), refer to GREEN PRODUCT PROCUREMENT and LEAD-FREE SOLDER.

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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 T set.

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Displaying the Adjustment Menu

Press MENU button on T .

Key Function in the Service Mode

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

Service Mode

Press ↑

↑↑

↑ ↓

↓↓

↓ Press

Adjustment Mode

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

memory I .

button (on remote control)

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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

[ SERVI E MODE ]

ADJUSTING ITEMS AND DATA IN THE SERVI E MODE:

Note:

The image system data of RCUT-BDR is different by each image format.

The PAL value is indicated in the table.

Test signal selection

Selection of the adjustment items PRO RAMME (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 (IC510) "i+" + PRO RAMME button on TV

Reset the count of operating

protect circuit to "00" "i+" + PRO RAMME button on TV

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

"RCUT" selection 1 button

" CUT" 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

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Factory preset data will be loaded after setting Model ID data.

(Refer to Initialization of Memory Data of IC510 and setting data of signal board.)

Adjusting the Data

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

Item Name of adjustment Address

BRTC BRI HTNESS CENTER --

COLC COLOR CENTER --

UVTT BASE BAND TINT --

CNTX CONTRAST MAX --

OPT1 TV SET OPTION 1 00F1

OPT2 TV SET OPTION 2 00F2

OPT3 TV SET OPTION 3 00F3

OPT4 TV SET OPTION 4 (PANEL OPT DATA FOR VENDOR & INCH) 00F4

OPT5 TV SET OPTION 5 00F5

SETID MODEL ID 00FE

VOLX MAX VOLUME LIMITED 0108

SYSN Counter for Main sync disable detection at search 0032

SYSOK Counter for Main sync enable detection at search 0033

SYSTM Main sync check cycle (2ms x SY1TM) 0035

SY2OK Counter for Sub sync enable detection 0036

SY2N Counter for Sub sync disable detection 0037

HVSEP AV Switch Setting data 1 01B0

ASYNC AV Switch Setting data 2 01B1

FREQ2 AV Switch Setting data 3 01B2

HCUNT AV Switch Setting data 4 01B3

SDET1 AV Switch Setting data 5 01B4

SDET2 AV Switch Setting data 6 01B5

SY1TM Main sync check cycle (2ms x SY1TM) 01B8

SY1OK Counter for Main sync enable detection 01B9

SY1N Counter for Main sync disable detection 01BA

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FFH. The variable range depends on the adjusting item.

I2 Bus Off

Turn off I2C communication between IC500, IC210 and IC320.

1) Press and hold the i+ button on the remote control, then press the olume + button

on the T .

2) Display "BUS Off" OSD.

3) I2C communication turned off.

Note:

To return Bus on status, press and hold the i+ button on the remote control, then press the

olume + button on the T again. T will be turned off and automatically turned on,

then status will be Bus On.

Setting TVOP

Enter to service mode and select menu of T OP by pressing P or P during display of

adjustment menu. After selecting T OP, press + or - to set I2C check function to

disable or enable as below.

Setting Panel Option Data

Panel option data is subject to OPT4.

Enter to service mode and select menu of OPT4 by pressing P or P during display of

adjustment menu. After selecting OPT4, press + or - to set OPT4 value as table

below.

Panel option data

TVOP FUN TION DES RIPTION 1 0 (Normal)

D5 (bit5) I2C check between TV-Micro and Standby-Micro (WDT) Disable Enable

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OPT4

Ex. OPT4 value 0x65 indicates that panel vendor is SAMSUNG and panel size is 32.

Upper 4bit is decided as below table.

Lower 4bit is decided as below table.

onvert from Bit (Binary) to Hex

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

Series Model name Panel vendor OPT4 value

XV566D EU Digital 32XV566D SAMSUN 0x65

OPT4 (Upper 4bit)

(bit7)

(bit6)

(bit5)

(bit4)

(bit3)

(bit2)

(bit1)

(bit0)

Panel

vendor

L D 0 0 0 1

SHP 0 0 1 0

CMO 0 0 1 1

AUO PMVA 0 1 0 0

AUO AMVA 0 1 0 1

SAMSUN 0 1 1 0

IPS 0 1 1 1

OPT4 (Lower 4bit)

(bit7)

(bit6)

(bit5)

(bit4)

(bit3)

(bit2)

(bit1)

(bit0)

Panel size 32 0 1 0 1

37 0 1 1 0

42 0 1 1 1

46 1 0 1 0

52 1 0 1 1

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

Exit from Service Mode

Pressing POWER button to turn off the T once.

Initialization of Memory Data of I 510 and Setting Data of Signal Unit

After replacing IC510 or signal board, the following initialization is required.

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

70111

8 1 000

9 1 0 0 1

A 1 010

B 1 01 1

1 1 0 0

D 1 1 01

E 1 1 1 0

F 1 1 1 1

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1) Enter the service mode.

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

service mode.

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

below.

4) Press and hold the CALL button on the remote control, then press the PROGRAMME

button on the T .

5) Initialization progress dialog including model name and panel vendor is shown.

Progress status is "WRITING".

6) Progress status is changed "OK" and power cycle (automatically). Then IC510

initialization has been completed.

7) Enter the service mode and select version check mode. Confirm if model name and

model id set is correct. If not, repeat steps 1) to 6).

Note:

In case initialization by setting wrong MODEL ID is done, there is a possibility of

abnormal display.

8) Set I2C check function of T OP to enable.

9) Check the picture carefully. If necessary, adjust any adjustment item above.

Perform "Auto tune" on the owner's manual.

AUTION: Never attempt to initialize the data unless I 510 has been

replaced.

Whenever using new signal board to the set, set the Model ID data

according to Panel option data.

MODEL ID (HEX) Model name Panel vendor

0x18 32XV566D SAMSUN

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Initializing Data setting flowchart after replacing the Signal Unit

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