SERVICE MODE
1. ENTERING TO SERVICE MODE3. SERVICE ADJUSTMENT
(1) Procedures(1) ADJUSTMENT MENU INDICATION ON/OFF :
1) Press MUTE key of remote hand unit to indicate MUTEMENU key(on TV set)
on screen.
2) Press again MUTE key of remote hand unit to keep(2) During display of adjustment menu,the followings are
pressing until the next procedure.effective.
(OSD display disappears.)1) Selection of adjustment item :
3) In the status of above (2), press MENU key on TV set.POS UP/DN key (on TV/Remote unit)
2) Adjustment of each item :
(2) During service mode, indication S is displayed at upper rightVOL UP/DN key (on TV/Remote unit)
corner on screen.3) Direct selection of adjustment item
R CUTOFF: 1 POS (Remote unit)
(3) Service mode is not memorized as the last-memory.G CUTOFF: 2 POS (Remote unit)
B CUTOFF: 3 POS (Remote unit)
4) Data setting for PC unit adjustment
2. TEST SIGNAL SELECTION
SUB CONTRAST : 4 POS (Remote unit)
The function of VIDEO test signal selection is cyclically
SUB COLOR: 5 POS (Remote unit)
changed with VIDEO key (remote unit) in Service mode.
SUB TINT: 6 POS (Remote unit)
5) Screen adjustment mode ON/OFF: Previous
Table 1
6) Test signal selection: VIDEO (Remote unit)
Test signal
Name of pattern* In service mode, serviceable items are limited.
No.
0Signal OFF
1NTSC All Red signal
(3) Self check display : 9 POS (Remote unit)
2NTSC All Green signal
* Cyclic display
3NTSC All Blue signal
4NTSC Cross hatch
2
(4) Initialization of memory (QA02 EPROM) :
5NTSC All white signal
CALL (Remote unit)+POS UP(TV)
6PAL All Red signal
Causion : All data of memory IC (including factory setting
7PAL All Green signal
value) is initialized by this operation.
8PAL All Blue signal
(Replacement of memory IC is required.)
9PAL Cross hatch
10PAL All white signal
(5) Initialization of self check data :
0Signal OFF
CALL (Remote unit)+POS DN(TV)
(6) BUS OFF :
CALL (Remote unit)+VOL UP(TV)
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ACEC
