Service Mode - Toshiba 21CZ3R Service Manual

1. ENTERING TO SERVICE MODE
1) Press o button once on
Remote Control.
2. DISPLAYING THE ADJUSTMENT MENU
1) Press MENU button on TV.

Service mode

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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:
Test signal selection :
Selection of the adjustment items :
Change of the data value :
Adjustment menu mode ON/OFF :
Initialization of the memory (QA02) :
Reset the count of operating protect
circuit to "00":
"RCUT" selection :
"GCUT" selection :
"BCUT" selection :
"CNTX" (or "SCNT") selection :
"COLC" selection :
"TNTC" selection :
"SBY" selection :
"SRY" selection :
Self diagnostic display ON/OFF :
CAUTION : Never try to perform initialization unless you have changed the memory IC.
SERVICE MODE
2) Press o button again to
keep pressing.
Adjustment mode
Press
Press
- / - - button (on Remote) or a button (on TV)
a button (on Remote)
Channel s/t (on TV or Remote)
Volume ; +/– (on TV or Remote)
MENU button (on TV)
CALL + Channel button on TV (s)
CALL + Channel button on TV (t)
1 button
2 button
3 button
4 button
5 button
6 button
7 button
8 button
9 button
– 6 –
3) While pressing the o button,
press MENU button on TV set.
Item
Data
(Service mode display)
Item
Data
Color thickness correction
note: Displayed differently as shown below, depending
on the setting of the receiving color system.
COLP (PAL)
COLC (NTSC)
COLS (SECAM)
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