17"& 19” LCD Color Monitor
LANIX LX700B&LX900B
50
LX900B
1.) No power
Check CN902 pin3, 4 = 5V
Check AC line volt 110V or 220V
Check AC input
Check the voltage of C905 (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin3 of IC901
Check R904, R905, R906 and Change IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
1) Check IC901
2) Check R909, D901 circuit
OK
OK
NG
Check Q901, IC903, IC904, ZD921, ZD922
OK
Check IC901 pin8 PWM wave
OK
Check IC901
NG
NG
NG
OK
NG
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 ...