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