Toshiba 32XV566D Schematic

SERVICE MANUAL
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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
For (*1) and (*2), refer to
© TOSHIBA CORPORATION
GREEN PRODUCT PROCUREMENT
and
LEAD-FREE SOLDER
.
ADJUSTMENT
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Service Mode
Entering to Service Mode
1. Press button once on remote control.
↓↓↓↓
↓↓↓↓
Service Mode display
2. Press button again and hold button down.
3. While holding the button, press MENU button on TV set.
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Displaying the Adjustment Menu
Press MENU button on TV.
Service Mode
Press
Adjustment Mode
↑↑↑↑ ↓↓↓↓
Press
Key Function in the Service Mode
The following key entry during display of adjustment menu provides special functions.
CAUTION: Never try to perform initialization unless you have changed the
memory IC.
button (on remote control)
Test signal selection
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Selection of the adjustment items PROGRAMME (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+" + PROGRAMME button on TV
Reset the count of operating
protect circuit to "00"
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))
Self diagnostic display ON/OFF 9 button
"i+" + PROGRAMME button on TV
7 button
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
[ SERVICE MODE ]
ADJUSTING ITEMS AND DATA IN THE SERVICE MODE:
Note:
The image system data of RCUT-BDRV is different by each image format.
The PAL value is indicated in the table.
Item Name of adjustment Address
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BRTC BRIGHTNESS 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
SYSNG 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
SY2NG 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
SY1NG Counter for Main sync disable detection 01BA
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 VOLUME +/- button will change the value of data in the range from 00H to
FFH. The variable range depends on the adjusting item.
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I2C 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 Volume + button on the TV.
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 Volume + button on the TV again. TV will be turned off and automatically turned on, then status will be Bus On.
Setting TVOP
Enter to service mode and select menu of TVOP by pressing P or P during display of adjustment menu. After selecting TVOP, press + or - to set I2C check function to
disable or enable as below.
TVOP FUNCTION DESCRIPTION 1 0 (Normal)
D5 (bit5) I2C check between TV-Micro and Standby-Micro (WDT) Disable Enable
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
Series Model name Panel vendor OPT4 value
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XV566D EU Digital 32XV566D SAMSUNG 0x65
OPT4
Ex. OPT4 value 0x65 indicates that panel vendor is SAMSUNG and panel size is 32.
Upper 4bit is decided as below table.
OPT4 (Upper 4bit)
Panel
vendor
LGD 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
SAMSUNG 0 1 1 0
IPS 0 1 1 1
D7
(bit7)
(bit6)
Lower 4bit is decided as below table.
D7
(bit7)
(bit6)
D6
D6
D5
(bit5)
D5
(bit5)
D4
(bit4)
OPT4 (Lower 4bit)
D4
(bit4)
D3
(bit3)
D3
(bit3)
D2
(bit2)
D2
(bit2)
D1
(bit1)
D1
(bit1)
D0
(bit0)
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
Convert from Bit (Binary) to Hex
The table for converting from bit (D7-D0) to hex (0x**).
BIT (Binary)
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High nibble
Low nibble
HEX
D7 D6 D5 D4
D3 D2 D1 D0
0
1
2
3
4
5
6
7
8 1
9 1
A 1
B 1
0 0 0 0
0 0 0
0 0
0 0
0
0
0
0
1
1
1 1
1 1 1
0 0 0
0 0
0
0
1
1 1
0 0
0
1
1 1
1
0
1
0
1
0
C 1 1
D 1 1
E 1 1 1
F 1 1 1 1
0 0
0
1
0
E.g. If Bit D7-0 = 0101 1010, Hex data is 0x5A.
Exit from Service Mode
Pressing POWER button to turn off the TV once.
Initialization of Memory Data of IC510 and Setting Data of Signal Unit
After replacing IC510 or signal board, the following initialization is required.
CAUTION: Never attempt to initialize the data unless IC510 has been
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replaced.
Whenever using new signal board to the set, set the Model ID data
according to Panel option data.
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 TV.
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 TVOP to enable.
9) Check the picture carefully. If necessary, adjust any adjustment item above.
Perform "Auto tune" on the owner's manual.
MODEL ID (HEX) Model name Panel vendor
0x18 32XV566D SAMSUNG
Initializing Data setting flowchart after replacing the Signal Unit
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Test Signal Selection
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Every pressing of button on the remote control changes the built-in test patterns on screen as described below in Service Mode.
Picture Signal
Red raster
Green raster
Blue raster
All Black
All White
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.
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* Self check display and Item are subject to the models.
TV CPU SW Version:
Version information of TV Micro SW: Display 1 byte data. (Hex)
EEPROM Version:
Version information of TV Micro EEPROM: Display 1 byte data. (Hex)
Power On Time: Total hour of turn the TV on. (Unit: H) (Decimal)
Main PLL: Displays Data 11 - Data 18 (8 bytes) of tuner control data. (Hex)
BL_STATUS:
BL_STATUS 1: The total number of times that the panel did not light. (backlight double-
light also failed) (Decimal)
BL_STATUS 2: The number of times that the backlight failed to light. (Decimal)
Block:
UV
: ATV reception mode
V1 - V6 : VIDEO 1-6 input mode (see SELF DIAGNOSTIC BLOCK TABLE)
PC : PC mode
DTV : DTV mode
For current input: OK: Signal Sync Detected
NG: No Sync Detected
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TV Status: "official" is normal.
Bus Errors: "none" is normal.
Block:
UV ATV
V1
V2
V3
V4 HDMI1
V5 HDMI2
V6 HDMI3
V7 --
V8 --
V9 --
PC PC
YUV --
DTV DTV (Digital Only)
(SCART (FULL))
(SCART (S+AV))
(Component/Composite)
1
2
3
Version Check Mode
1. Press "9" button twice on remote control during display of adjustment menu in the
service mode.
The version of main MPU will be checked.
2. During Version Check, the following displays are shown.
* Version check display and Item are subject to the models.
TV Model
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Boot Code Version
Core SW Version
Seine SW Version
TV Micro SW Version:
Version information of TV Micro SW: Display 1 byte data.
TV Micro EEPROM Version:
Version information of EEPROM: Display 1 byte data.
EDID Checksum:
EDID data check item. Display channel numbers depend on HDMI input numbers.
Pass: EDID data is good.
Fail: EDID data is no good.
Global Data Version
LCD Panel Opt:
Panel Option (OPT4) Data: Display 1 byte data.
Factory Test Status: Optional Data Bits that can be used by factory.
A/D Adjust:
A/D adjustment item.
--
COMP
:
Component input
--PC : PC input
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--OK : A/D adjustment set correctly.
--NG : A/D adjustment set incorrect.
-- : A/D adjustment is not needed. Because its picture format is not used.
LED Indication
The Green and Red LEDs on the TV (at the bottom center of the TV) indicate the TV's
status, as described below.
Red ON (solid) and Green OFF = The TV power cord is plugged in.
Green ON (solid) and Red ON = The On timer is operating.
1 Green is OFF;
Red blinks continuously at 0.5-
second intervals.
2 Green is OFF;
Red blinks continuously at 1-
second intervals.
LED Indication Condition Solution
Abnormal operation Turn OFF the TV and unplug
Abnormal operation of
BUS line.
DTV Software Upgrade - While Watching TV
1. Extract upgrade files onto an SD card.
2. Connect service jig, FWA1209, to P404A.
the power cord.
Plug the power cord in again
and turn ON the TV.
Turn OFF the TV and unplug
the power cord.
Plug the power cord in again
and turn ON the TV.
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3. Power TV on.
4. Insert SD card into the slot on FWA1209.
The following OSD will be displayed:
5. Highlight OK and press the OK key on the remote.
6. Upgrading progress for OSD is displayed on TV as bellow.
Please never power off while updating.
7. After upgrading the software completely, following OSD is displayed on TV.
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8. Remove the SD card.
9. Upon completion the power will off/on automatically.
DTV Software Upgrade - from Boot Up
1. Extract upgrade files to an SD card.
2. Unplug TV.
3. Insert the SD card into service jig, FWA1209, and connect it to P404A.
4. Plug in TV and confirm LED indication on the front of the set.
a. The green LED will blink in groups of three several times.
b. The red and green LEDs light up, indicating that the set is updating.
5. When only the Red LED is lit, upgrading is successful.
6. Unplug the set and remove the SD card.
FUNCTION AND OPERATION
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The Remote Control
Simple at-a-glance reference of your remote control.
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FUNCTION AND OPERATION
television. Whilst all the necessary adjustments and controls for the television are made using
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Controls and Input Connections
A wide variety of external equipment can be connected to the input sockets on the side of the
the remote control, the buttons on the television may be used for some functions.
Switching On
Using the Remote Control
Using the Controls and Connections
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FUNCTION AND OPERATION
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Startup Application
Before switching on the television put your decoder and media recorder to
are connected.
Quick Setup
Standby
if they
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Auto Tuning
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Auto Channel Update
Analogue Switch-off
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FUNCTION AND OPERATION
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DTV Settings
Channels
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Manual Tuning
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