Troubleshooting
Chapter 4
This chapter provides troubleshooting information for the AL1702W:
1. No Power
No power
Press power key and look if the
picture is normal
NG
NG
Reinsert or check the
power section
Please reinsert and make sure the
AC of 100-240 is normal
OK
Check if X401 oscillate
waveforms are normal
OK
NG
Replace U201
OK
OK
NG
Replace X401
Replace U401
Measure CN201 Pin3=5V?
Measure U201 Pin 3=5V, U201 Pin
2=3.3V
if the picture is normal
NG
Replace U501
34
Summary of Contents for AL1702
Page 1: ...Acer AL1702W Service Guide 1 ...
Page 9: ...LCD Monitor General Specification 9 ...
Page 10: ...10 ...
Page 11: ...LCD Panel Specification General Specifications Mechanical Information 11 ...
Page 12: ...Optical Specifications 12 ...
Page 13: ...Supported Timing 13 ...
Page 19: ...Adjusting the viewing angle 19 ...
Page 20: ...Rear Bezel Item Description Item Description 1 Power Cable 2 Signal Cable 20 ...
Page 22: ...Front Panel Control 22 ...
Page 24: ...b The Description For Function Control LEDS 24 ...
Page 25: ...25 ...
Page 29: ...Fig 3 2 Remove the screws to remove the back cover Fig 4 Fig 4 29 ...
Page 30: ...3 Remove the screws to remove the shield Fig 5 Fig 5 4 Remove the bezel Fig 6 Fig 6 30 ...
Page 31: ...5 Remove the screws to remove the panel Fig 7 9 Fig 7 Fig 8 Fig 9 31 ...
Page 33: ...Fig 12 33 ...
Page 40: ...Exploded Diagram Model AL1702W 40 ...
Page 42: ...5 Power Board 6 Main Board 42 ...
