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.
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
: 1 POS (Remote unit)
G CUTOFF
: 2 POS (Remote unit)
B CUTOFF
: 3 POS (Remote unit)
4) Data setting for PC unit adjustment
SUB CONTRAST : 4 POS (Remote unit)
SUB COLOR
: 5 POS (Remote unit)
SUB TINT
: 6 POS (Remote unit)
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
2
PROM) :
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)
Test signal
No.
0
1
2
3
4
5
6
7
8
9
10
0
Name of pattern
Signal OFF
NTSC All Red signal
NTSC All Green signal
NTSC All Blue signal
NTSC Cross hatch
NTSC All white signal
PAL All Red signal
PAL All Green signal
PAL All Blue signal
PAL Cross hatch
PAL All white signal
Signal OFF
Table 1
SERVICE MODE
– 7 –
Содержание 26WL46B
Страница 1: ...SERVICE MANUAL LCD Colour TV 26WL46B 26WL46G F4LW Chassis FILE NO 070 200404 May 2004 YC X ...
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Страница 58: ... 63 64 SCALER BOARD PD1769 1 U003 TOP COMPONENT SIDE ...
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Страница 64: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...
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Страница 68: ... 1 49 26WL46B 26WL46G SIGNAL CONNECTOR SHEET 1 12 ...
Страница 70: ... 3 49 FRONT AV More than 32 AV 1 26WL46B 26WL46G SIGNAL Y PB PR_SW SHEET 3 12 ...
Страница 73: ... 6 49 For Lightning 26WL46B 26WL46G SIGNAL SIGNAL from AV SHEET 6 12 ...
Страница 74: ... 7 49 9 0 4 9 4 9 4 9 9 0 9 0 9 0 5 2 5 2 5 2 0 0 0 26WL46B 26WL46G SIGNAL PC AUDIO SWITCHING SHEET 7 12 ...
Страница 75: ... 8 49 4 5 0 4 9 9 0 0 9 0 26WL46B 26WL46G SIGNAL AUDIO MUTE SHEET 8 12 ...
Страница 76: ... 9 49 26WL46B 26WL46G SIGNAL MON OUTPUT SHEET 9 12 ...
Страница 80: ... 13 49 26WL46B 26WL46G TN AOUT CONNECTOR SHEET 1 7 ...
Страница 84: ... 17 49 0 1 4 1 4 3 9 8 2 3 7 0 26WL46B 26WL46G TN AOUT HP AMP SHEET 5 7 ...
Страница 85: ... 18 49 For Lightning 26WL46B 26WL46G TN AOUT PC_INPUT SHEET 6 7 ...
Страница 86: ... 19 49 26WL46B 26WL46G TN AOUT TEMP SENSOR SHEET 7 7 ...
Страница 88: ... 21 49 26WL46B 26WL46G AV 2 ...
Страница 89: ... 22 49 26WL46B 26WL46G OVERALL CONNECTION ...
Страница 90: ... 23 49 26WL46B 26WL46G KEY SW ...
Страница 91: ... 24 49 26WL46B 26WL46G LED RMT ...
Страница 92: ... 25 49 26WL46B 26WL46G POWER SW ...
Страница 93: ... 26 49 26WL46B 26WL46G DATA_REWRITE ...
Страница 94: ... 27 49 26WL46B 26WL46G SCALER DIGITAL INPUT SHEET 1 23 ...
Страница 95: ... 28 49 26WL46B 26WL46G SCALER CAPTURE INPUT SHEET 2 23 ...
Страница 96: ... 29 49 26WL46B 26WL46G SCALER MEMORY CONNECTION SHEET 3 23 ...
Страница 97: ... 30 49 26WL46B 26WL46G SCALER PLL SHEET 4 23 ...
Страница 98: ... 31 49 26WL46B 26WL46G SCALER IIC SHEET 5 23 ...
Страница 99: ... 32 49 26WL46B 26WL46G SCALER POWER SHEET 6 23 ...
Страница 100: ... 33 49 26WL46B 26WL46G SCALER SUB MICOM 1 SHEET 7 23 ...
Страница 101: ... 34 49 26WL46B 26WL46G SCALER SUB MICOM 2 SHEET 8 23 ...
Страница 102: ... 35 49 26WL46B 26WL46G SCALER SUB MICOM 3 SHEET 9 23 ...
Страница 103: ... 36 49 26WL46B 26WL46G SCALER LVDS OUT SHEET 10 23 ...
Страница 104: ... 37 49 26WL46B 26WL46G SCALER POWER CONNECTOR AND DIMMING SHEET 11 23 ...
Страница 105: ... 38 49 26WL46B 26WL46G SCALER LVDS POWER AND OTHERS SHEET 12 23 ...
Страница 106: ... 39 49 26WL46B 26WL46G SCALER LVDS OUT SHARP LCD SHEET 13 23 ...
Страница 107: ... 40 49 26WL46B 26WL46G SCALER CONNECTOR SHEET 14 23 ...
Страница 108: ... 41 49 26WL46B 26WL46G SCALER 3CHADC2_LPF SHEET 15 23 ...
Страница 109: ... 42 49 26WL46B 26WL46G SCALER 3CHADC1 SHEET 16 23 ...
Страница 110: ... 43 49 26WL46B 26WL46G SCALER DC DC CONVERTER SHEET 17 23 ...
Страница 111: ... 44 49 26WL46B 26WL46G SCALER M2 1 SHEET 18 23 ...
Страница 112: ... 45 49 26WL46B 26WL46G SCALER M2 2 SHEET 19 23 ...
Страница 113: ... 46 49 26WL46B 26WL46G SCALER M2 3 SHEET 20 23 ...
Страница 114: ... 47 49 26WL46B 26WL46G SCALER M2 4 SHEET 21 23 ...
Страница 115: ... 48 49 26WL46B 26WL46G SCALER M2 5 SHEET 22 23 ...
Страница 116: ... 49 49 26WL46B 26WL46G SCALER M2 6 SHEET 23 23 ...