Sony RDR-VX500 Manual De Servicio página 122

Component output error
6 and 7pin in CN1 of
No
jack PCB or CN01 of main Check main PCB
PCB has normal level?
Yes
Analog signals are No Check the connection between6 and
inputted normally
7pin in CN01 of main PCB and VIC1
VIC1
Yes
Power is normal No
Check the connection between
at VIC1-1,24, 34? VIC1-1 and power
Yes
Video signals of
No
Check the connection between
about 1V appears at
VIC1 and output jack
output jack?
Check VIC1-21, 23, 25, VE5, VE6
VE7, VR32, VR33, VR34
Yes
Check the RCA cable
Line1 CVBS Video Input Error
Pin4 in IC801
No
Check the connection between
has nomal level?
pin4 in IC801 and L1 pin-jack
(jack PCB)
Yes
No
Pin21 in IC801
Check pin 62, 55 in IC801 of input power
has nomal level?
Yes
No
Check the connection between pin80
Pin80 in IC301 sonata main PCB
in IC301 of sonata main PCB
has nomal level?
Yes
Pin40 and pin 43~52 in
No
TIC1 of main PCB has clock and
Check IC301 peripheral circuit
digital video signal
nomal level?
Yes
Check feed back