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.
© TOSHIBA CORPORATION
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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)
D7
(bit7)
D6
(bit6)
D5
(bit5)
D4
(bit4)
D3
(bit3)
D2
(bit2)
D1
(bit1)
D0
(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)
D7
(bit7)
D6
(bit6)
D5
(bit5)
D4
(bit4)
D3
(bit3)
D2
(bit2)
D1
(bit1)
D0
(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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