Sony RDR-GX315 Service Manual page 68

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S-Video output error
16pin and 20pin in CN4 of
main PCB or CN2 of main PCB
has normal level?
Yes
Analong signals are
inputted Normally
VIC1 (Jack PCB)
Yes
Power is normal at VIC1-1,24, 34?
Yes
Pin13 in VIC1 is
in high state?
Yes
Video signals of
about 1Vp-p appears at
output jack?
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L 13942296513
Yes
Check the RCA cable
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No
Check Digital PCB.
No
Check the connection between
VIC1-1 and power
No
Check the connection betweenVIC1-13
and F-Micom. check VIC1 peripheral circuit
No
Check the connection between
VIC1 and output jack.
Check VIC1-28, 31, VR30, VR31
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