Service manual

Troubleshooting
5-19Samsung Electronics
CVBS output error
27MHz clock
input is normal at
pin 159 in ZIC1?
Analog output
is normal at pin 133
in ZIC1?
Check the connection between
pin 6 in ZIC4 and pin 129 in ZIC1.
Check the soldering of ZIC1.
No No
Analog signals
are inputted normally IC801-10?
(VCR MAIN PCB)
No
Check the connection netween
pin 133 in ZIC1 (DVD MAIN PCB)
and IC801-10 (VCR MAIN PCB).
Pin of VDD_2.5 &
VDD-3.3 in Zic1 has
normal level?
Check the connection between
pin 1 in PCNS1 and pin 3 in ZIC5.
Yes
No
Check the JK801/RCA cable.
E
(DVD Section)
Yes Yes Yes
R,G,B output error
IC601-49 "L"
Check IC601.
Check VIC1 to JC801.
No
No
No
Yes
R, G, B
VIC1-9, 10, 12-15
Yes
No
Check CN1 to VIC1
R, G, B
CN1-10, 12, 14
Yes
No
JC801-16 "H"
(EURO AV)
Check IC601.
Yes
IC601-2 "H"
Yes
Check IC601-2 to JC801-16.
E
(DVD Section)