Sony RDR-GX315 Service Manual page 71

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Line2 CVBS Video Input Error
Pin 17 in CN4
has nomal level?
(jack PCB)
Pin20 in IC1001 of digital main
PCB has nomal level?
Pin 45 and pin54~62 in
IC1001 of main PCB has clock and
digital video signal nomal
level?
Change main PCB
TE
L 13942296513
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Check the connection between
No
pin 24 in CN702 and FAVJ pin-jack
(F-Timer PCB)
Yes
No
Check the connection between pin20
in IC1001 of digital main PCB
Yes
No
Check IC1001 peripheral circuit
Yes
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2 8 9 9