Service Mode & Adjustments _ Toshiba Projection Televisions.
Applicable to Toshiba PTVs Models_ 46H84_51H84_57H84_46H84C_51H84C_57H84C
* Press MUTE button twice on Remote Control.
* Press MUTE button again to keep pressing.
* While pressing the MUTE button, press MENU button on TV set.
(Service mode display)“S”
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.
* Screen adjustment mode ON/OFF: TV (ANT)/VIDEO button (on TV)
* Selection of the adjustment items: Channel▲/▼ (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): RECALL + Channel button on TV▲
* Initialization of the self diagnostic data: RECALL + Channel button on TV▲
> “RCUT” selection: 1 button
> “GCUT” selection: 2 button
> “BCUT” selection: 3 button
> “SCNT” selection: 4 button
> “COLC” selection: 5 button
> Convergence adj : 7 button
> Self diagnostic display: 9 button.
SELECTING THE ADJUSTING ITEMS
* Every pressing of CHANNEL ▲ button in the service mode changes the adjustment items. (▼ 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
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, and then select any register item.
2. Press and hold the RECALL button on the Remote, then press the CHANNEL▲ button on the TV. The initialization of QA02 has been completed.
3. Check the picture carefully. If necessary, adjust any adjustment item above. Perform “Programming Channel Memory” on the owner's manual.
CAUTION:Never attempt to initialize the data unless QA02 has been replaced.
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.
* During diagnosis, the following displays are shown.
