19” LCD Color Monitor 190S7
42
11. Repair Flow Chart
(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
power section
X401 oscillate waveforms are
normal
Measure U701 Pin2=3.3V,
U702 Pin2=1.8V?
OK
OK
NG
NG
NG
Replace U701, U702
Replace U401
Replace X401
OK
NG
Summary of Contents for 190S7
Page 7: ...19 LCD Color Monitor 190S7 7 Back View ...
Page 9: ...19 LCD Color Monitor 190S7 9 ...
Page 10: ...19 LCD Color Monitor 190S7 10 ...
Page 13: ...19 LCD Color Monitor 190S7 13 4 2 Factory Preset Display Modes ...
Page 14: ...19 LCD Color Monitor 190S7 14 4 3 Pixel Defect Policy ...
Page 15: ...19 LCD Color Monitor 190S7 15 ...
Page 16: ...19 LCD Color Monitor 190S7 16 5 Block Diagram 5 1 Monitor Exploded View ...
Page 20: ...19 LCD Color Monitor 190S7 20 5 3 2 Inverter Power Board ...
Page 28: ...19 LCD Color Monitor 190S7 28 7 PCB Layout 7 1 Main Board 715G1767 F ...
Page 29: ...19 LCD Color Monitor 190S7 29 ...
Page 30: ...19 LCD Color Monitor 190S7 30 ...
Page 31: ...19 LCD Color Monitor 190S7 31 7 2 Power Board 715G1813 1 ...
Page 32: ...19 LCD Color Monitor 190S7 32 ...
Page 33: ...19 LCD Color Monitor 190S7 33 7 3 Key Board 715G1755 1 ...
Page 39: ...19 LCD Color Monitor 190S7 39 Fig 13 Fig 14 ...
Page 41: ...19 LCD Color Monitor 190S7 41 ...
Page 48: ...19 LCD Color Monitor 190S7 48 ...
Page 52: ...19 LCD Color Monitor 190S7 52 e Until appears the follow Fig writer completed ...
Page 54: ...19 LCD Color Monitor 190S7 54 ...
Page 57: ...19 LCD Color Monitor 190S7 57 14 codes for example ...
Page 58: ...19 LCD Color Monitor 190S7 58 d Unit appears the following Fig writer completed ...