Toshiba 40XV733 Guide

LCD Color Television
40XV733
Ver. 2.00
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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 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 IN THE SERVI E MODE:
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
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
Item Name of adjustment
R-CUT RED CUTOFF
-CUT REEN CUTOFF
B-CUT BLUE CUTOFF
R-DRV RED DRIVE
-DRV REEN DRIVE
B-DRV BLUE DRIVE
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The listed items are set to proper values after setting the correct Model ID data (Refer to
Initialization of T Micro).
Adjusting the Data
Pressing of OLUME +/- button will change the value of data in the range from 00H to
FFH. The variable range depends on the adjusting item.
onvert from Bit (Binary) to Hex
The table for converting from bit (D7-D0) to hex (0x**).
BRTC BRI HTNESS 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
BIT (Binary)
High nibble D7 D6 D5 D4
Low nibble D3 D2 D1 D0
HEX 00 0 0 0
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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 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
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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"MODEL ID TABLE".
For example, if initializing 40R 733, change MODEL ID into "0x02".
Note:
MODEL ID is hex value.
4) Execute initialization of the memory.
Refer to "KEY FUNCTION IN THE SER ICE MODE".
Press "i+" + PROGRAMME button on T .
5) T is automatically turned off and on after the memory initialization is completed.
6) Enter Service Mode and select ersion 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
Initializing Data setting flowchart after replacing the Signal Unit
Model Name Model ID
(HEX)
Panel
Vendor
Panel Inch
Size ID (HEX)
Panel Vendor
ID (HEX)
Option Data
(OPT5) (HEX)
32XV733 0x0e LPL 0x05 0x01 0x20
37XV733 0x0f LPL 0x06 0x01 0x00
40XV733 0x10 SAMSUN 0x0e 0x06 0x00
46XV733 0x11 SAMSUN 0x0a 0x06 0x00
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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.
Picture Signal
Red raster
reen raster
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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.
Blue raster
All Black
All White
Item Explanation/Data Format
1 TV CPU SW Version information of TV-MICRO. Display 1 byte data. (Hex)
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Block:
Version
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
N : No Sync Detected
8 Bus Errors IIC-BUS status. None is normal.
"SCL- ND" (Red indication) : SCL- ND short circuit
"SDA- ND" (Red indication) : SDA- ND short circuit
UV ATV
V1 1
(SCART (FULL))
V2 2
(SCART (S+AV))
V3 3
(Component)
V4 3
(Composite)
V5 HDMI1
V6 HDMI2
V7 HDMI3
V8 HDMI4
PC PC
DTV DTV
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