17"& 19” LCD Color Monitor
LANIX LX700B&LX900B
45
8.2 Trouble Shooting
8.2.1 Main Board
(1). No Power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Reinsert or check the
Adapter/Inverter section
X401 oscillate waveforms
are normal
Check U404, Q409 and Q410
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
Measure U404 PIN2=3.3V
Q409 V
collector
=1.8V
Summary of Contents for LX700B
Page 15: ...17 19 LCD Color Monitor LANIX LX700B LX900B 15 4 4 2 Display Characteristics LX700B LX900B ...
Page 17: ...17 19 LCD Color Monitor LANIX LX700B LX900B 17 2 Backlight LX700B LX900B ...
Page 18: ...17 19 LCD Color Monitor LANIX LX700B LX900B 18 4 4 4 Optical Characteristics LX700B ...
Page 19: ...17 19 LCD Color Monitor LANIX LX700B LX900B 19 LX900B ...
Page 34: ...17 19 LCD Color Monitor LX700B LX900B 34 6 3 Key Board 715G2835 1 ...
Page 35: ...17 19 LCD Color Monitor LANIX LX700B LX900B 35 7 PCB Layout 7 1 Main Board 715G2904 1 ...
Page 36: ...17 19 LCD Color Monitor LANIX LX700B LX900B 36 ...
Page 37: ...17 19 LCD Color Monitor LANIX LX700B LX900B 37 ...
Page 38: ...17 19 LCD Color Monitor LANIX LX700B LX900B 38 7 2 Power Board LX700B 715G2852 2 ...
Page 39: ...17 19 LCD Color Monitor LANIX LX700B LX900B 39 ...
Page 40: ...17 19 LCD Color Monitor LANIX LX700B LX900B 40 LX900B 715G2824 2 2 ...
Page 41: ...17 19 LCD Color Monitor LANIX LX700B LX900B 41 ...
Page 42: ...17 19 LCD Color Monitor LANIX LX700B LX900B 42 ...
Page 43: ...17 19 LCD Color Monitor LANIX LX700B LX900B 43 7 3 Key Board 715G2835 1 ...
Page 55: ...17 19 LCD Color Monitor LANIX LX700B LX900B 55 10 Monitor Exploded View LX700B LX700B ...
Page 56: ...17 19 LCD Color Monitor LANIX LX700B LX900B 56 LX900B LX900B ...