Acer AL1702 서비스 매뉴얼 - 페이지 21
{카테고리_이름} Acer AL1702에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Acer AL1702 38 페이지. 17-inch lcd monitor
Acer AL1702에 대해서도 마찬가지입니다: 사용자 설명서 (17 페이지), 사용자 설명서 (20 페이지), 서비스 매뉴얼 (49 페이지)
페이지 인쇄
7. Checking the interface circuit of sync signal
7.1 Checking the control circuit of horizontal sync pluse
Check the horizontal sync signal on P302 pin3 TTL
Check the horizontal sync signal on I305 pin37 TTL
Failure Point
Process "Checking the resolution change IC
movement" section.
7.2 Checking the control circuit of vertical sync pluse
Check the horizontal sync signal on P302 pin2 TTL
Check the horizontal sync signal on I305 pin36 TTL
Failure Point
Process "Checking the resolution change IC
movement" section.
level.
NG
OK
level.
NG
OK
level.
NG
OK
level.
NG
OK
Failure Point
Video cable is failure.
Failure Point
1) Printed wire broke between P302 pin3 and
I305 pin37.
2) FB313, R329 open.
3) R331, C346 short.
Failure Point
Video cable is failure.
Failure Point
1) Printed wire broke between P302 pin3 and
I305 pin36.
2) FB312, R328 open.
3) R330, C345 short.
AL1702
Page 19