Acer X193 서비스 매뉴얼 - 페이지 29

{카테고리_이름} Acer X193에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Acer X193 36 페이지. Acer lcd monitor user's guide
Acer X193에 대해서도 마찬가지입니다: 사용자 설명서 (23 페이지)

페이지 인쇄
Acer X193 서비스 매뉴얼
ACER X193HQ
28
Go to cover page
5.9 Checking the interface circuit of sync signal
5.9.1 Checking the control circuit of horizontal sync pluse
5.9.2 Checking the control circuit of vertical sync pluse
5. Troubleshooting (continued)
Check the horizontal sync signal on P302 pin13 TTL
level.
OK
Check the horizontal sync signal on I308 pin9 TTL
level.
OK
Failure Point
Process "Checking the resolution change IC movement"
section.
Check the vertical sync signal on P302 pin14 TTL level.
OK
Check the horizontal sync signal on I308 pin8 TTL
level.
OK
Failure Point
Process "Checking the resolution change IC movement"
section.
NG
Failure Point
Video cable is failure.
Failure Point
NG
1) Printed wire broke between P302 pin13 and
I308 pin9.
2) FB304 , R309 is open.
3) D307 ,R319 or C322 is short.
NG
Failure Point
Video cable is failure.
Failure Point
NG
1) Printed wire broke between P302 pin14 and
I308 pin8.
2) FB305 or R308 is open.
3) D310,R318 or C313 is short.