Samsung WS32Z30HEAXBWT Service Manual page 110

Troubleshooting
6. TDA7297 (Audio Processor) Diagnosis
This receives the signal from the Audio Processor (MSP4440) and outputs the signal in 10W + 10W sound.
- Power supply : 16V
- Check for input defects : Lt/Rt
- Check for output defects : L+, L-, R+,R-
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