29
2. No Picture
No picture
The button if under
control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Measure U404 Pin2=3.3V,
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Replace U404
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Check HS/VS from
CN101 is normal
Replace X401
Check Correspondent
component
NG
NG
OK
Содержание AL1602W
Страница 1: ...1 Acer AL1602W Service Guide ...
Страница 12: ...12 Supported Timing ...
Страница 15: ...15 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...
Страница 18: ...18 Adjusting the viewing angle ...
Страница 21: ...21 Front Panel Control ...
Страница 23: ...23 b The Description For Function Control LEDS ...
Страница 34: ...34 Connector Information The following figure shows the connector locations on the monitor Chapter 5 ...
Страница 37: ...37 5 Power Board 6 Main Board ...
Страница 38: ...38 Schematic Diagram Main Board Chapter 7 ...
Страница 39: ...39 ...
Страница 40: ...40 ...
Страница 41: ...41 ...
Страница 42: ...42 Power board ...
Страница 43: ...43 ...
Страница 44: ...44 ...
Страница 45: ...45 Key board ...