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No sub output
No sub output
Check the SUB AMP board xp11 of
PIN10: 33.5V , PIN4:12V,PIN2:5 V
Check U1 TAS5538 pin of I2S signal
whether normal or not
Check the voltage, clock and
data of U4 and U1
Go
Yes
Yes
5-13
No
Check power supply
No
Check U4 and wireless module
Trouble shooting Chart
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