Samsung CL21B501HLMXZS, Service Manual

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Troubleshooting
Samsung Electronics 4-11
2. External Input Diagnosis
Component inputs and one monitor output (Video, Audio) are supported.
The signal is input to UOC TOP IC through the ports.
If the signal input change “and output are” to “is” not detected, check the following.
- Supplied Power: UOC TOP IC(5V, 3.3V, 8V)
- Input Problem Check: Check the connecting jacks.
MONITOR-OUT-L
MONITOR-OUT-R
AV2-IN-R
AV-R-IN AV-L-IN AV-IN-V
MONITOR-OUT-V
AV2-IN-V
AV2-IN-V
GND
MONITOR-OUT-V
MONITOR-OUT-L
Monitor-OUT-R
AV2-IN-R
AV1-IN-R
AV1-IN-L
AV2-IN-L
AV1-IN-L
AV1-IN-V