Sony RDR-VX521 Service Manual page 126

Line2 CVBS Video Input Error
Check Front
JACK (Video input signal)
and CNJ02 (Pin #14)
Yes
Check IC808
(Pin # 27)
Yes
Check IC808
(Pin #86~#88, #93~97)
Yes
1. Check VCC of IC201 and peripheral
parts of Clock oscillation
(IC302 Pin #1, 2, 14)
2. Refer to the " CVBS output error"
No Check peripheral parts of Front Jack
and cable and connector of CNJ02.
1. Check VCC and peripheral parts of
No
IC808 and QM3.
2. Check VCC and peripheral
No
parts of Clock oscillation
(Pin #66, 67) of IC808
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