Friday, February 13, 2015

TOSHIBA 43VJ13P SERVICE MODE AND POWER SUPPLY CIRCUIT

TOSHIBA 43VJ13P

SERVICE MODE AND POWER SUPPLY CIRCUIT 

ENTERING TO SERVICE MODE
1) Press MUTE  button once on Remote Control.
2) Press MUTE button again to keep pressing.
3) While pressing the MUTE button, press MENU button on TV set.
DISPLAYING THE ADJUSTMENT MENU
 Press MENU button on TV.
Service mode ------Adjustment mode
KEY FUNCTION IN THE SERVICE MODE
The following key entry during display of adjustment menu provides special functions.
Screen adjustment mode ON/OFF: -/-- button (on Remote)
Test signal selection : AV button (on Remote)
Selection of the adjustment items : Channel UP/DOWN (on TV or Remote)
Change of the data value : Volume  +/– (on TV or Remote)
Adjustment menu mode ON/OFF : MENU button (on TV)
Initialization of the memory (QA02) : CALL + Channel button on TV (UP)
Reset the count of operating protect
circuit to “00”: CALL + Channel button on TV (DOWN)
“RCUT” selection : 1 button
“GCUT” selection : 2 button
“BCUT” selection : 3 button
“SCNT” selection : 4 button
“COLP” selection : 5 button
“TNTC” selection : 6 button
Convergence adj : YELLOW button
Self diagnostic display ON/OFF : 9 button
Color thickness correction
note: Displayed differently as shown below, de pending on the setting of the receiving color system.
COLP (PAL)
COLC (NTSC)
COLS (SECAM)
SELECTING THE ADJUSTING ITEMS
Every pressing of CHANNEL UP button in the service mode changes the adjustment items  (DOWN button for reverse order)
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.
 EXIT FROM SERVICE MODE
1) Pressing POWER button to turn off the TV once.
INITIALIZATION OF MEMORY DATA OF QA02
After replacing QA02, the following initialization is required.
1. Enter the service mode, then select any register item.
2. Press and hold the CALL button on the Remote, then press the CHANNEL UP button on the TV. The initialization of QA02 has been complated.
3. Check the picture carefully. If necessary, adjust any adjustment item above. Perform “Auto search Memory” on the owner’s manual. CAUTION: Never attempt to initialize the data unless QA02 has been replaced.
TEST SIGNAL SELECTION
1) Every pressing of AV button on the Remote Control changes the built-in test patterns on screen as described below
in SERVICE MODE.
SELF DIAGNOSTIC FUNCTION
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 are executed properly.
ENTERING TO DESIGN MODE
1) Select the Service mode
2) While pressing CALL button on Remote and press MENU button on TV.
3) Press MENU button on TV.
When QA02 is initialized, items “OPT0”, “OPT1 ” and "OPT2" of DESIGN MODE are set to the data of the representative model of this chassis family.
Therefore, because ON-SCREEN specification remains in the state of the representative of model. This model is required to
reset the data of items “OPT0”, “OPT1 ” and "OPT2".
 SELECTING THE ADJUSTING ITEMS
Every pressing of CHANNEL DOWN button in the design mode changes the adjustment items (UP button for reverse order)
ADJUSTING THE DATA
Pressing of VOLUME UP or DOWN button will change the value of data.

POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN