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Denon RCD-M39 - No Sound, Noise Generated

Denon RCD-M39
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46
2. No Sound, Noise generated
2.1. CD PLAY
Check Power Supply Voltages for CD.
MCU_CD B'D
D+3.3V [IC22]: 2pi 3.3V OK?
+1.5V [IC23] : 2pi 1.5V OK?
Check Power Supply Voltages for DAC.
INPUT B'D
[IC57] :1,8,20pin 3.3V OK?
[IC54] :2pin 3.3V OK?
Check Reset signal for CD.
MCU_CD B'D
[IC21] : 69pin /RST "H" level O.K.?
[IC41] : 61pin DSP_RST "H" level O.K.?
[IC11] : 58pin CD_DSP_RST "H" level O.K.?
Check Oscillation waveform.
MCU_CD B'D
[IC21] : 49pin XO
16.9344MHz OK?
Check Oscillation waveform.
MCU_CD B'D
[IC41]:73pin X2
9.0MHz OK?
Check Clock Signal for DAC.
INPUT B'D
[IC57]:12pin SCK
12.288MHz OK?
Check controll signal for DAC.
INPUT B'D
[IC57] : 17pin XSMT (Mute) "H" OK?
Check Power Supply Voltages for CD.
MCU_CD B'D
[PMUP] : 1,2pin +8VM
[PMMO] : 6,7pin USB_5V
POWWER B'D
[PMSN] : 6pin DC_9V
Check Soldering.
MCU_CD B'D [PMUP] : 1,2pin +8VM
[PMMO] : 7pin USB_5V
POWER B'D
Check Parts
• [IC71]
Check Soldering.
[IC22] on MCU_CD B'D
[IC23] on MCU_CD B'D
Check Parts
• [IC22],[IC23]
Check Soldering.
[CBIB] : 1pin SW+5V
POWER B'D
Check Soldering.
[IC11] : 58pin CD_DSP_RST on MCU_CD B'D
[IC41] : 61pin DSP_RST on MCU_CD B'D
Check Soldering.
[X201] on MCU_CD B'D
Check Soldering.
[X401] on MCU_CD B'D
Check Soldering.
[IC21] on MCU_CD B'D
[FCMC] on MCU_CD B'D
[FCIC] on INPUT B'D
Check Soldering.
[IC11] on MCU_CD B'D
[FCMC] : 8pin DAC_XSMT
[FCIC] 8pin DAC_XSMT
NG
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK
OK

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