Power Supply Schematic _ Service Mode _ Design Mode _ Universal Remote Control Set-up Codes
SERVICE MODE
* Press the ‘Mute’ button once on Remote Control.
* Press the ‘Mute’ button again to keep pressing _ While pressing the ‘Mute’ button, press MENU button on TV set. Service mode display screen will be displayed.
* Press MENU button on TV. Service adjustment screen will be displayed.
KEY FUNCTION IN THE SERVICE MODE
The following key entry during display of adjustment menu provides special functions.
The following key entry during display of adjustment menu provides special functions.
Screen adjustment mode ON/OFF: | + / - button (on Remote) | |
Test signal selection : | Power button (on Remote) | |
Selection of the adjustment items | Channel Up / Dn (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 UP on TV | |
Reset the count of operating protect circuit to “00 | CALL + Channel button on TV DN) | |
“RCUT” selection | 1 button | |
“GCUT” selection | 2 button | |
“BCUT” selection | 3 button | |
“SCNT” selection | 4 button | |
“COLP” selection | 5 button | Color thickness correction |
“TNTC” selection | 6 button | Note: Displayed differently as shown below, depending on the setting of the receiving color system. COLP (PAL) COLC (NTSC) COLS (SECAM) |
Convergence adj | YELLOW button | |
Self diagnostic display ON/OFF | 9 button | |
Never try to perform initialization unless you have changed the memory IC. |
SELECTING THE ADJUSTING ITEMS
Every pressing of CHANNEL UP button in the service mode changes the adjustment items. (DN 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.
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
Pressing POWER button to turn off the TV once.
Pressing POWER button to turn off the TV once.
INITIALIZATION OF MEMORY DATA OF QA02
After replacing QA02, the following initialization is required.
* Enter the service mode, then select any register item.
* Press and hold the CALL button on the Remote, then press the CHANNEL s button on the TV. The initialization of QA02 has been completed.
* 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.
After replacing QA02, the following initialization is required.
* Enter the service mode, then select any register item.
* Press and hold the CALL button on the Remote, then press the CHANNEL s button on the TV. The initialization of QA02 has been completed.
* 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
Every pressing of ‘Power’ button on the Remote Control changes the built-in test patterns on screen as described below in SERVICE MODE
Every pressing of ‘Power’ button on the Remote Control changes the built-in test patterns on screen as described below in SERVICE MODE
Signal off > PAL signals (5 patterns) > NTSC signals (5 patterns) & repeats
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.
Indicated color of mode now selected : Green and Red
Indicated color of other modes : Black
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.
Indicated color of mode now selected : Green and Red
Indicated color of other modes : Black
Green :Normal
Red : The microcomputer operates to provide judgment of no video signal. The red color is still indicated though the signal is input, failure may exist in input signal line including QV01.
Red : The microcomputer operates to provide judgment of no video signal. The red color is still indicated though the signal is input, failure may exist in input signal line including QV01.
Part number of microcomputer (QA01)
Total hour of turn the TV on. (Unit: H)
Operation number of protecting circuit ----“00” is normal.
When indication is other than “00”, over current apts to
flow, and circuit parts may possibly be damaged.
BUS CONT ----“OK” is normal.
When indication shows “Q 000 NG”, the device with the number may possibly be damaged.
BLOCK
UV : TV reception mode
V1 : VIDEO 1 input mode (Power 1)
V2 : VIDEO 2 input mode (Power 2)
V3 : VIDEO 3 input mode
V4 : VIDEO 4 input mode
Total hour of turn the TV on. (Unit: H)
Operation number of protecting circuit ----“00” is normal.
When indication is other than “00”, over current apts to
flow, and circuit parts may possibly be damaged.
BUS CONT ----“OK” is normal.
When indication shows “Q 000 NG”, the device with the number may possibly be damaged.
BLOCK
UV : TV reception mode
V1 : VIDEO 1 input mode (Power 1)
V2 : VIDEO 2 input mode (Power 2)
V3 : VIDEO 3 input mode
V4 : VIDEO 4 input mode
DESIGN MODE
Select the Service mode.
While pressing CALL button on Remote and press MENU button on TV.
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.
There fore, 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".
There fore, 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 DN button in the design mode changes the adjustment items. (UP button for reverse order)
Every pressing of CHANNEL DN button in the design mode changes the adjustment items. (UP button for reverse order)
ADJUSTING THE DATA
Pressing of VOLUME UP or DN button will change the value of data.
Pressing of VOLUME UP or DN button will change the value of data.
Universal Remote Control set-up codes to check.
0018 0025 0039 0044 0045 0075 0101 0119 0128 0141 0143 0145 0165 0195 0227 0247 0369 0379 0460 0642 0658 0713 0810 0813 0814
SMPS [Power Regulator] Schematic
