CTX EX-710F, Service Manual

Page: 32 / 101

7.0TROUBLESHOOTING CFA1797B
V-Asynchronous
CHECK V-SYNC I/P OF
IC501,P501, ZD503
START
CHECK V-SYNC (PIN2) OF
IC301
NG
CHECK PIN 19,20,22 OF
IC301
OK
REPLACE IC301
END
OK
REPLACE
C314,C315,C316
NG
Vertical position & Size
END
START
RE-ADJ SIZE OR POSITION
OK
CHECK IC501,IC301 AND
THEIR PERIPHERAL PARTS
NG
REPLACE IC201
END
OK
REPLACE IC301,IC501 OR
OTHER DEFECTIVE PARTS
NG
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