Sony RDR-VX500 Service Manual page 114

OSD PICTURE
(VCR Section)
MISSING
NO
CHECK IC601-37, 38pin
CHECK C618,C619
14.318MHz signal out
YES
YES
CHECK IC601-52,53pin
CHECK C626, R639
AFC signal out
NO
CHANGE IC601
BLUE MISSING IN
(VCR Section)
STOP MODE
SELECT LINE MODE
WITHOUT INPUT SIGNAL
NO
CHECK IC601-37, 38pin
CHECK C618, C619
14.318MHz out
YES
NO
CHECK IC601-52, 53pin
CHECK C626, R639
AFC signal
YES
NO
CHECK IC601-50pin
CHECK C622, R638
SYNK signal
YES
CHANGE IC601