Samsung CW29M066V7XXEC Service Manual page 74

Troubleshooting
3. TDA7297(Audio AMP) Diagnosis
The signal is received from the Audio Processor (MSP3421G) and sound is output at 10W + 10W power.
- Power supply : 15V
- Check for input defects : L/R
- Check for output defects : L+, L-, R+, R-
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