Denon RCD-N9

Check Power Supply Voltages for DIR.
MAIN PCB
•[IC22]：46pin +5V_A
•[IC22]：22, 36, 42pin +3V_D1
OK.?
Check Power Supply Voltages for AMP IC.
AMP PCB
•[IC70]： 1, 36, 18, 19pin
+12V_5142 OK?
•[IC70]： 21, 26, 29, 34pin
+29V OK?
Check Power Supply Voltages for PWM CONTROLLER AMP PCB.
MAIN PCB
•[IC23]： 9, 14, 35, 50pin
+3.3V_5558 OK?
Check Reset signal for DIR.
MAIN PCB
•[IC22]： 34pin DIR RESET
"Hi" level OK.?
Check Reset signal for PWM CONTROLLER.
MAIN PCB
•[IC23]： 11pin RESET
"Hi" level OK.?
Check Reset signal for AMP IC.
AMP PCB
•[IC70]： 5,15pin VALID
"Hi" level OK.?
Check Oscillation waveform.
MAIN PCB
•[IC22]： 40pin TXO
24.576MHz OK?
Check Oscillation waveform.
MAIN PCB
•[IC23]： 11pin MCLK
MCLK OK?
Check the solder and replace any faulty parts.
•[Q222]：IN / OUT：+5V_A
•[IC27]：IN：+5V / OUT：+3V
•MAIN PCB
Check the solder and replace any faulty parts.
•[L215]：+3V3_5558
Check the solder and replace any faulty parts.
•[IC28]：68pin DIR_RESET on MAIN PCB
Check the solder and replace any faulty parts.
•[IC28]：77pin A_PWM_RST on MAIN PCB
Check the solder and replace any faulty parts.
•[IC23]：37pin VALID on MAIN PCB
•[WF72]：12pin VALID
Check the solder and replace any faulty parts.
•[X201] on MAIN PCB
Check the solder and replace any faulty parts.
•[IC22]：20pin → [IC23]：63pin DIR, MCLK
Check the solder and replace any faulty parts.
•[PF72]：6pin：+12V_5142
•[BN91]：1, 2, 3pin：+29V
•AMP PCB
NG
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK
OK
2.2. COMMON(POWER Control signal)
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