Samsung DVD-R130, Service Manual, Page: 31 / 130

Troubleshooting
Samsung Electronics 5-7
Pin2/4/6 in CN3 of
Jack PCB or CN2 of Main PCB
has * normal level?
Analog signals are
Inputted normally
VIC1(pin6/8/9)
Check the RCA cable
Check the DIC1 on MAIN B/D.
No
No
Check the connection between
Pin2/4/6 in CN3 Of JACK PCB
and VIC1(pin6/8/9)
Power is
Normal(5v) at VIC1(pin1)?
No
No
Check the connection between
VIC1[pin1] and Power line (VL6, PPIF1).
Video signal of
About 1V pk-pk appears at
Output Jack?
Check the connection between
VIC1 and output jack.
Yes
Yes
Yes
Yes
Component output error
Yes
No
Pin13 in VIC1 is
In high state?
Check the connection between
VIC1(PIN3) and IC601(PIN89).
Check VIC1 peripheral circuit.
Y(Color-bar)
Pb(Color-bar) Pr(Color-bar)
# Nomal level
: pin 6 is 1Vpk-pk
pin 2/4 is + 0.35V