Toshiba 40XF355D User manual

SERVICE MANUAL
LCD Color Television
40XF355D
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. Set VOLUME to minimum and press
button once on remote control.
↓
↓↓
↓
2. Press button again and hold button down.
↓
↓↓
↓
Service Mode display
3. hile holding the button, press MENU
button on TV set.
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Displaying the Adjustment Menu
Press MENU button on TV.
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 CH 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-BDRV is different by each image format.
The PAL value is indicated in the table.
Never adjust H.POS and V.POS except PAL/ IDE mode.
Test signal selection
Selection of the adjustment items CH (on T or remote control)
Change of the data value olume +/- (on T or remote control)
Adjustment menu mode ON/OFF MENU button (on T )
Initialization of the memory (QA02) CALL + CH button on T
Reset the count of operating
protect circuit to "00" CALL + CH button on T
Turn off I2C bus communication CALL + olume + button on T
"RCUT" selection 1 button
"GCUT" selection 2 button
"BCUT" selection 3 button
"CNTX" selection 4 button
"COLC" selection 5 button
"U TT" 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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Item Name of adjustment
RCUT R CUT OFF
GCUT G CUT OFF
BCUT B CUT OFF
RDR R DRI E
GDR G DRI E
BDR B DRI E
BRTC BRIGHTNESS CENTER
COLC COLOR CENTER
U TT BASE BAND TINT
CNTX CONTRAST MAX
OLUX MAX OLUME LIMITED
PLLW0 PLL WAIT TIME
PLLW1 PLL WAIT TIME
PLLW2 PLL WAIT TIME
PLLW3 PLL WAIT TIME
PLLW4 PLL WAIT TIME
PLLW5 PLL WAIT TIME
OPT1 T SET OPTION 1
OPT2 T SET OPTION 2
OPT3 T SET OPTION 3
OPT4 T SET OPTION 4 (PANEL OPT DATA FOR ENDOR)
OPT5 T SET OPTION 5 (PANEL OPT DATA FOR SIZE)
OPT6 T SET OPTION 6 (HOTEL MODE)
OPT7 T SET OPTION 7 (HOTEL MODE)
OPT8 T SET OPTION 8 (HOTEL MODE)
T OP T SET OPTION
ID MODEL ID
BDWID BORDER WIDTH FOR EXACT SCAN
BDHIT BORDER HEIGHT FOR EXACT SCAN
FPLG MASK_ENABLE (SD/HD)
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Factory preset data will be loaded after setting Model ID data.
(Refer to Initialization of Memory Data of QA02 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.
I2 Bus Off
Turn off I2C communication between IC700 and IC400.
1) Press and hold the CALL 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 CALL 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.
FPLG2 Channel LOGO ector Clip SW (SD)
FPLG3 Channel LOGO ector Clip SW (HD)
TVOP FUN TION DES RIPTION 1 0 (Normal)
D5 (bit5) I2C check between IC700 and IC400. (WDT) Disable Enable
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Setting Panel Option Data
Panel option data is subject to OP4 and OP5.
Enter to service mode and select menu of OPT4 or OPT5 by pressing P or P during
display of adjustment menu. After selecting OPT4 or OPT5, press + or - to set OPT4
or OPT5 value as table below.
Panel option data
OP4
Ex. OPT4 value 0x05 indicates that panel vendor is AUO AMVA.
Series Model name Panel vendor OPT4 value OPT5 value
XF350 EU/UK
Digital/Ready
40XF350P/351P/355D/356D SAMSUNG 0x86 0x0F
46XF350P/351P/355D/356D SAMSUNG 0X86 0X0A
OPT4
D7
(bit7)
D6
(bit6)
D5
(bit5)
D4
(bit4)
D3
(bit3)
D2
(bit2)
D1
(bit1)
D0
(bit0)
Panel
vendor
LPL - - - - 0 0 0 1
SHP - - - - 0 0 1 0
CMO - - - - 0 0 1 1
AUO
PM A - - - - 0 1 0 0
AUO
AM A - - - - 0 1 0 1
SAMSUNG - - - - 0 1 1 0
IPS - - - - 0 1 1 1
Panel
Resolution
Full HD 1 - - - - - - -
WXGA 0 - - - - - - -
Panel
100Hz
On - 1 - - - - - -
Off - 0 - - - - - -
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OP5
Ex. OPT5 value 0x06 indicates that panel size is 37.
onvert from Bit (Binary) to Hex
The table for converting from bit (D7-D0) to hex (0x**).
OPT5
D7
(bit7)
D6
(bit6)
D5
(bit5)
D4
(bit4)
D3
(bit3)
D2
(bit2)
D1
(bit1)
D0
(bit0)
Size 37 - - - - 0 1 1 0
42 - - - - 0 1 1 1
47 - - - - 1 0 0 0
52 - - - - 1 0 1 1
57 - - - - 1 1 0 1
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
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E.g. If Bit D7-0 = 0101 1010, Hex data is 0x5A.
Exit from Service Mode
Pressing PO ER button to turn off the TV once.
Initialization of Memory Data of QA02 and Setting Data of Signal Unit
After replacing QA02 or signal board, the following initialization is required.
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 CHANNEL
button on the TV.
5) Initialization progress dialog including model name and panel vendor is shown.
Progress status is " RITING".
1 1 0 0
D 1 1 01
E 1 1 1 0
F 1 1 1 1
AUTION: Never attempt to initialize the data unless QA02 has been
replaced.
Whenever using new signal board to the set, setting the Model ID data
according to Panel option data.
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6) Progress status is changed "OK" and power cycle (automatically). Then QA02
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
0x01 40XF350P/351P SAMSUNG
0x02 46XF350P/351P SAMSUNG
0x03 40XF355D/356D SAMSUNG
0x04 46XF355D/356D SAMSUNG
0x05
0x06
0x07
0x08
0x09
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x20
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Initializing Data setting flowchart after replacing the Signal Unit
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x30
0x31
0x32
0x33
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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.
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 display and Item are subject to the models.
Picture Signal
Red raster
Green raster
Blue raster
All Black
All White
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(1) Firmware :
Version information of microprocessor
Series name (AAAA) and market area (BB) and software program version (0000)
(2) Time : Total hour of turn the TV on. (Unit : H)
(3) BL_STATUS :
Counter for saving BackLight on error.
This value is counted till 99 (Decimal).
(4) Bus line : -- "OK" is normal
SCL-GND (Red indication) : SCL-GND short circuit
SDA-GND (Red indication) : SDA-GND short circuit
SCL-SDA (Red indication) : SCL-SDA short circuit
(5) Bus cont : --- "OK" is normal.
NG is abnormal (Red indication).
hen the abnormal status is detected, type name of semiconductor is
indicated in red colour.
(6) Block
UV : TV reception mode
V1 - V9 : VIDEO 1-9 input mode
PC : PC mode
YUV : YUV mode
DTV : DTV mode
U RF
1 1
(SCART (FULL))
2
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Version heck 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.
2 (SCART (FULL))
3 3
(Component/Composite/S)
4 HDMI1
5 HDMI2
6 HDMI3
7 --
8 --
9 --
PC PC
YU --
DT DT (Digital Only)
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(1) MAIN MPU :
Version information of microprocessor
Series name and Code Program Version (4 figure number) and OSD Version (2 figure
number).
(2) EEPROM :
Version information of EEPROM : Display 1 byte data.
(3) SUB MPU :
Version information of SUB MPU : Display 1 byte data.
(4) OPTION :
Option information : Display six numbers of 1 byte data.
Left side means QF01 (for AV-LINK) micon software version.
Right side means QA01 (for CEC) micon software version. (Only CEC model)
(5) HDMI EDID :
EDID data check item. Display channel numbers depend on HDMI input numbers.
OK : EDID data is enable.
NG : EDID data is disable.
(6) S Ver
Version information of DB software as Toshiba release. (Only digital model.)
(7) M Ver
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Status heck Mode
Left side is Application and UI version information of DB software. (Only digital
model.)
Right side is Firmware (Driver) version information of DB software. (Only digital
model.)
(8) A/D Adjust
A/D adjustment item.
--MAIN : It's enable only in double indow model. A/D adjustment status of main
picture.
--SUB : It's enable only in double indow model. A/D adjustment status of sub
picture.
--COMP : Component input
--PC : PC input
--NTSC :
NTSC (60 Hz) SD signal (composite input).
--PAL : PAL (50 Hz) SD signal (composite input).
--OK : A/D adjustment set correctly.
--NG : A/D adjustment set incorrect.
-- : A/D adjustment is not needed. Because its picture format isn't used.
(9) 100 Hz FPGA Software Version
It's enable only in 100 Hz drive panel model.
(10) Memory Data Version
Version information of EEPROM.
DRMA**** means model number of EEPROM.
REV** means version of EEPROM.
(11) CD number
CD information (ascii code). : Display 4 byte data.
(12) Model Name
Model name information (ascii code). : Display 7 byte data.
(13) LCD Panel Vendor information display
The following Panel Vender (DDD) and screen size (00) and resolution (EEE) are
displayed.
Example : AUO-32 (1080p) indicates that Vender is AUO and Screen Size is 32 inch
and Full HD panel.
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1. Press "9" button thrice on remote control during display of adjustment menu in the
service mode.
The status of this model will be checked.
2. During Status Check, the following displays are shown.
* Status check display and Item are subject to the models.
(1) MAIN :
Main source information :
Display RF position number (0 - 99) on the main screen, or Input Source
(EXT1/2/3/HDMI etc.)
(2) MAIN FORMAT :
Display Video and PC format information
(3) MAIN PLL :
Main PLL information : Display 1 byte data at five.
(4) SUB :
Sub source information :
Display RF position number (0 - 99) on the Sub screen, or Input Source
(EXT1/2/3/HDMI etc.)
This item displays only Double window model.
(5) SUB FORMAT :
Display Video and PC format information
This item displays only Double window model.
(6) SUB PLL :
Sub PLL information : Display 1 byte data at five.
This item displays only Double window model.
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Setting Hotel Mode
Enter to service mode and select Hotel Mode menu by pressing P or P .
After selecting Hotel Mode, press + to enter details setting in Hotel Mode.
To select menu, press P or P and press OK to enter the adjustment menu of table bellow.
To move the cursor in the adjustment, press + or -.
1. By pressing P or P , OPT2 setting will change the value either 1 or 0 on selected
items as follows;
OP2
(7) SCREEN SIZE :
Display the screen size as follows.
Note:
Exact Scan is shown only for 1080p panel model with video input mode except pc.
Exact Scan
Wide
Super Live 2
Cinema 2
4:3
Super Live 1
Cinema 1
Subtitle
14:9
(8) OTHER STATUS :
Other status information : Display three numbers of 2 byte data.
OPT2 FUN TION DES RIPTION 1 0 (Normal)
D7 (bit7) - (no use) - -
D6 (bit6) - (no use) - -
D5 (bit5) FRONT Key Disable Enable
D4 (bit4) All keys except input selector key Disable Enable
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VOLUX
Set VOLUX as following.
1) Set speaker volume to 100. (Any value is OK, but 100 is better to check sound level.)
2) Down value of VOLUX until finding suitable sound volume level.
OP6
( ideo/T )
D3 (bit3) User remote control operation Disable
(Service mode and Supere
User mode may possible to
setting only)
Enable
D2 (bit2) Disable SET UP MENU except
language.
(tuning SETUP MENU)
Disable
(Display the language only)
Enable
D1 (bit1) Disable SETUP MENU Disable Enable
D0 (bit0) HOTEL Mode On (Enable the setting of D1
from to D7)
Off
(Normal)
VOLUX FUN TION DES RIPTION 1 0 (Normal)
D7 (bit7) ~
D0 (bit0) Max Limiter of olume Control 0x00 ~ 0x7F (Normal: 0x7C)
OPT6 FUN TION DES RIPTION 1 0 (Normal)
D7 (bit7) Enable mode that POS or IDEO program
number will be appeared in forced when turn
ON the main power
Enable Disable
D6 (bit6) ~
D0 (bit0)
POS or IDEO program number 0 ~ 127 [decimal] (Normal: 0)
POS number: 0 ~ 99
IDEO number: 100 ~ 127
(DT = 100, IDEO = 101,
IDEO = 102..)
100 is used as AT when
DT option is disable.
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