HOW TO ENTER SERVICE MODE - TOSHIBA PROJECTION TELEVISIONS
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.
