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6. Raster
NO Raster
(Lamp Off)
NO
Check Scaler Output
(Main Board)
CHECK T301
NO
NO
Check Q301, Q302
Check the waveform of U301
Pin1, 1
5
Check the waveform of U301
Pin2,
3
NO
If waveform is no problem
Check
D
30
2
~
D
308
Or Trouble in U303, U304
YES
CHECK
P201 Pin9
3.3V?
Check U301 Pin
2
5V?
Check U301 Pin
6
V
SEN
,
Less than
3
V
Check U301 Pin1
2
SSTC
M
T
,
Less than
1
V
Check U303, U304
Drain waveform
YES
YES
YES
NO
Summary of Contents for Flatron L1754SM
Page 22: ... 22 WIRING DIAGRAM 11P 6P 30P EAD30368603 6631T20023J 6631900109A ...
Page 23: ...500 310 300 200 440 400 410 510 430 420 520 900 910 920 930 EXPLODED VIEW 23 ...
Page 27: ... 27 1 SCALER SCHEMATIC DIAGRAM ...
Page 28: ... 28 2 POWER WAFER ...
Page 29: ... 29 3 INVERTER ...
