7.0TROUBLESHOOTING CFA1797B
V-Asynchronous
START
CHECK V-SYNC (PIN2) OFNGCHECK V-SYNC I/P OF
IC301IC501,P501, ZD503
OK
CHECK PIN 19,20,22 OFNGREPLACE
IC301C314,C315,C316
OK
REPLACE IC301
END
Vertical position & Size
START
OK
RE-ADJ SIZE OR POSITIONEND
NG
NG
CHECK IC501,IC301 AND REPLACE IC301,IC501 OR
THEIR PERIPHERAL PARTSOTHER DEFECTIVE PARTS
OK
REPLACE IC201
END
4
8828CTX |