Toshiba 3787DB - Entering to Service Mode

SERVICE MODE
1. ENTERING TO SERVICE MODE
1) Press ¢X button once on 2) Press eX button again to 3) While pressing the 2X button,
Remote Control. keep pressing. press MENU button on TV set.
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(Service mode display)
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2. DISPLAYING THE ADJUSTMENT MENU
1) Press MENU button on TV.
Service mode Adjustment mode
Item
s ___Press_ Data
Press
3. KEY FUNCTION IN THE SERVICE MODE
The following key entry during display of adjustment menu provides special functions.
A single horizontal line ON/OFF: -/-- button (on Remote) or -© button (on TV)
: Test signal selection : -© button (on Remote)
Selection of the adjustment items : Channel A/¥ (on TV or Remote)
Change of the data value : Volume <1 +/- (on TV or Remote)
Adjustment menu mode ON/OFF : MENU button (on TV)
Initialization of the memory (QA02) : CALL + Channel button on TV (A)
Reset the count of operating protect
circuit to “OO”: CALL + Channel button on TV (¥)
“RCUT” selection : 1 button
“GCUT” selection : 2 button
“BCUT” selection : 3 button
“CNTX” (or “SCNT”) selection : 4 button
“COLC’ selection : 5 button- - - - Color thickness correction
“TNTC” selection : 6 button note: Displayed differently as shown below, de-
Test audio signal ON/OFF (1kHz) : 8 button pending on the setting of the receiving color
Self diagnostic display ON/OFF : 9 button system.
COLP (PAL)
COLC (NTSC)
COLS (SECAM)
CAUTION : Never try to perform initialization unless you have changed the memory IC.