Sony RDR-VX500 Service Manual page 121

CVBS output error
Yes
15, 17, 12, 11 in CN1
No
Check SMPS block
of Jack PCB has
normal level?
Yes
Analog signals are
No
Check the connection between
inputed normally
24 in CN3 of Jack PCB and VIC1
VIC1
Yes
Power is
No
Check the connection between
normal at VIC1-1,24, 34?
VIC1-1 and power
(jack PCB)
Yes
Check the connection with
Pin5,12 in VIC1 is No
VCR Micom.
in LOW state?
check VIC1 peripheral circuit
Yes
Doos
No
Check the connection between
the video signals is 1V level at
VIC1 and output jack
output jack?
Yes
Check the RCA cable
S-Video output error
6pin and 7pin in CN1 of
No
Check main PCB.
jack PCB or CN01 of main PCB
has normal level?
Yes
Analong signals are
No
Check the connection between 6pin
inputted nirmally
and 7 pin in CN01 of main PCB and VIC1
VIC1 (Jack PCB)
Yes
No
Check the connection between
Power is normal at VIC1-1,24, 34?
VIC1-1 and power
Yes
No
Pin13 in VIC1 is Check the connection betweenVIC1-13
in high state?
and VCR Micom. check VIC1 peripheral circuit
Yes
Video signals of
No
about 1V appears at Check the connection between
output jack? VIC1 and output jack.
Check VIC1-28, 31, VR30, VR31
Yes
Check the RCA cable