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