Samsung DVD-M101, Service Manual, Page: 29 / 73

Troubleshooting
3-8 Samsung Electronics
Y/Pr/Pb output error
VSW1 video select
switch is down position?
VR121 of VSW1
is low state?
Move the select switch to down position.
Check the soldering of VSW1.
Yes
No No
Pin 38 in FIC1
is high state?
Check the connection between
pin 38 in FIC1 and VR121.
Yes
No
Yes
D
RGB output error at SCJ1
Output voltage at
pin 16 in SCJ1 is in
1V ~ 3V?
RGB signal is
outputed at pin 139, 145,
151 in ZIC1?
Check the pin 13 in SCIC1 --> "H" state.
Check SCQ 2, 3 circuit.
See "Video output error in RCA jacks"
Yes Yes
No No
R signal is
outputed normally at pin 4
in SCIC2?
Yes
No
Yes
Œ
Check the connection between
pin 151 in ZIC1 and pin 3 in SCIC2.
´
Check the pin 9, 10, 11 in SCIC3
--> "H" state.
Œ
Check the pin 8 in VIC1 -->
"H" state
´
Check the connection with
pin 18, 20, 16, in VIC1.
No
Check the connection between
SCIC2 and VIC1.
RGB signal is
inputed at pin 9, 11, 13
in VIC1?
RGB signal is
outputed at pin 7, 11, 15
in SCJ1?
No
Yes
Check the SCART cable.
Change the SCART output in
setup menu to RGB.