15” LCD Color Monitor
42
(3). White screen
(4). Keypad Board
White screen
Measure Q406 base
is high level?
X401 oscillate
waveform is normal
Check Q406, Q405 is broken
or CN404 solder?
Check Correspondent
component.
Replace Panel
Check Correspondent
component.
Replace U401
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
OK
Summary of Contents for 150S7FS/00
Page 7: ...15 LCD Color Monitor 7 Back View ...
Page 13: ...15 LCD Color Monitor 13 For QD15XL13 Panel Ta 25 VCC 3 3V ...
Page 15: ...15 LCD Color Monitor 15 ...
Page 16: ...15 LCD Color Monitor 16 5 Block Diagram 5 1 Monitor Exploded View ...
Page 20: ...15 LCD Color Monitor 20 5 3 2 Inverter Power Board ...
Page 27: ...15 LCD Color Monitor 27 7 PCB Layout 7 1 Main Board ...
Page 28: ...15 LCD Color Monitor 28 ...
Page 29: ...15 LCD Color Monitor 29 ...
Page 30: ...15 LCD Color Monitor 30 7 2 Pwpc Board ...
Page 31: ...15 LCD Color Monitor 31 ...
Page 32: ...15 LCD Color Monitor 32 7 3 Key Board ...
Page 37: ...15 LCD Color Monitor 37 Fig 13 Fig 14 ...
Page 39: ...15 LCD Color Monitor 39 ...
Page 46: ...15 LCD Color Monitor 46 ...
Page 49: ...15 LCD Color Monitor 49 ...
Page 52: ...15 LCD Color Monitor 52 ...
Page 55: ...15 LCD Color Monitor 55 d Unit appears the following Fig writer completed ...