6-8
16pin and 20pin in CN4 of
main PCB or CN2 of main PCB
has normal level?
Check the RCA cable
No
Check Digital PCB.
Analong signals are
inputted Normally
VIC1 (Jack PCB)
No
No
Power is normal at VIC1-1,24, 34?
Pin13 in VIC1 is
in high state?
Check the connection between
VIC1-1 and power
Check the connection betweenVIC1-13
and F-Micom. check VIC1 peripheral circuit
Yes
Yes
Yes
Yes
No
Video signals of
about 1Vp-p appears at
output jack?
Check the connection between
VIC1 and output jack.
Check VIC1-28, 31, VR30, VR31
Yes
S-Video output error
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QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
