1995VLX/VL2X/BLX7.0 TROUBLESHOOTING
V-Asynchronous
START
NG
CHECK V-SYNC (PIN14) OFCHECK V-SYNC I/P OF
IC301P501, ZD503
OK
CHECK PIN 22,23,24 OFNGREPLACE
IC301C313,C314,R319,IC301
OK
REPLACE IC301
END
Vertical position & Size
START
OK
RE-ADJ SIZE OR POSITIONEND
NG
CHECK IC501,IC301 AND NGREPLACE IC301,IC501 OR
THEIR PERIPHERAL PARTSOTHER DEFECTIVE PARTS
OK
REPLACE IC201
END
CTX27 |