7-16
4, 8 and 12pin in CN2 of
jack PCB or CN2 of main
PCB has normal level?
Analog signals are
inputted normally
VIC1
Check the RCA cable
Check main PCB
No
No
Check the connection between6 and
7pin in CN01 of main PCB and VIC1
Power is normal
at VIC1-1,24, 34?
No
No
Check the connection between
VIC1-1 and power
Video signals of
about 1V appears at
output jack?
Check the connection between
VIC1 and output jack
Check VIC1-21, 23, 25, VE5, VE6
VE7, VR32, VR33, VR34
Yes
Yes
Component output error
Yes
Yes
16pin and 20pin in CN2 of
jack PCB or CN2 of main PCB
has normal level?
No
Check main PCB.
Analong signals are
inputted nirmally
VIC1 (Jack PCB)
No
No
No
Check the connection between 6pin
and 7 pin in CN01 of main PCB and VIC1
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 VCR Micom. check VIC1 peripheral circuit
Yes
Yes
Yes
Yes
No
Video signals of
about 1V appears at
Check the connection between
VIC1 and output jack.
Check VIC1-28, 31, VR30, VR31
S-Video output error
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Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L 1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
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5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299