Denon RCD-N9 Service Manual page 39

2.4 . TUNER
Check Power Supply Voltages for TUNER.
MAIN PCB
•[TM11]：3pin A+5V
Check Analog Audio Data output from TUNER PACK.
MAIN PCB
•[TM11]：1pin：L-OUT / 2pin：R-OUT
Check the Output form Analog selector.
•[IC20]： 9, 2pin：IN 1B, IN A
10, 1pin：OUTB, OUTA
: 5pin：AIN_CNT, [L]
Check the DIR input.
•[IC22]：47, 48pin：VINL / VINR
To 2.1. COMMON(signal)
OK
OK
OK
OK
NG
Check the solder and replace any faulty parts.
•[WF15]：6, 7pin A+5V on MAIN PCB
Check the solder and replace any faulty parts.
NG
•[C104], [C105]
•[PF15] 8pin TUN_L
•[PF15] 11pin TUN_R
Check the solder and replace any faulty parts.
NG
•[IC61]
•[IC28]：17pin AIN_CNT
NG
Check the solder and replace any faulty parts.
•[C375], [C389] on MAIN PCB
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