Denon D-M37 User Manual

24
RCD-M37 / RCD-M37DAB / D-E500 / D-M37
2. No Sound,Noise generated
2. 音声出力せず
(
1) CD PLA
Y
Check Power Supply Voltages for CD
MCU_CD_USB B'D N.G Check Soldering.
䊶 CN98 1pin +8VM 䊶 MCU_CD_USB B'D CN98 1,3pin
䊶 CN91 3pin USB+5
V
+8VM, USB+5V
䊶 POWER B'D
O.K.
Check Power Supply Voltages for CD Check Soldering.
MCU_CD_USB B'D N.G 䊶 IC31 on MCU_CD_USB B'D
䊶 D+3.3V [IC31]: 2pi 3.3V OK? 䊶 IC32 on MCU_CD_USB B'D
䊶 +1.5V [IC32]: 2pi 1.5V OK? Check Parts
䊶 IC31,,IC32
O.K.
Check Power Supply Voltages for DA
C
Check Soldering.
INPUT B'D N.G 䊶 CN 72 9pin SW+5V
䊶 [IC15] :14pin VDD 5V OK? 䊶 POWER B'D
O.K.
Check Reset signal for C䌄
MCU_CD_USB B'D N.G Check Soldering.
䊶 [IC27]:37pin /RST Hlevel O.K.? 䊶 [IC24]:56pin CD_DSP_RST on MCU_CD_USB B'D
䊶 [IC21]:61pin DSP_R
S
Hlevel O.K.?
O.K.
Check Reset signal for DAC
INPUT B'D N.G Check Soldering.
䊶 [IC15] :5pin AKRST 䊶 [IC24]:71pin AK_RST on MCU_CD_USB B'D
Hlevel O.K.?
O.K.
Check Oscillation waveform.
MCU_CD_USB B'D N.G Check Soldering.
䊶 [IC27]:24pin XO 䊶 X301 on MCU_CD_USB B'D
16.9344MHz OK?
O.K.
Check Oscillation waveform.
MCU_CD_USB B'D N.G Check Soldering.
䊶 [IC21]:73pin X2 䊶 X302 on MCU_CD_USB B'D
9.0MHz OK?
O.K.
Check Clock Signal for DAC Check Soldering.
INPUT B'D N.G 䊶 IC27 on MCU_CD_USB B'D
䊶 [IC15]:1pin MCLK 䊶 BN12 on MCU_CD_USB B'D
16.9344MHz OK? 䊶 CN12 on INPUT B'D
O.K.
Check controll signal for DAC Check Soldering.
INPUT B'D N.G 䊶 IC24 on MCU_CD_USB B'D
䊶 [IC15]:6,7,8 pin AKCS,AKCLK,AKCON 䊶 WN12 6,7,8pin on MCU_CD_USB B'D
AK_CDTI,AK_CLK,AK_CS
䊶 WF12 on INPUT B'D
O.K.
2. 音声出力せず
(
1
)
CD

再生時
CD用電
源
電圧
確
認
MCUCDUSBB'D N.G
半
田
付
け
を
確
認
・ CN981pin+8VM ・ MCUCDUSBB'D CN981,3pin
・ CN913pinUSB+5
V
+8VM,USB+5
V
・ POWERB'D
O
.
K
.
CD用電
源
電圧
確
認
半
田
付
け
を
確
認
MCUCDUSBB'D N.G ・ IC31onMCUCDUSBB'D
・ D+3.3V IC312pin 3.3VOK? ・ IC32onMCUCDUSBB'D
・ +1.5V IC322pin 1.5VOK?
部
品
確
認
・ IC31,,IC32
O
.
K
.
DAC用電
源
電圧
確
認
半
田
付
け
を
確
認
INPUTB'D N.G ・ CN729pinSW+5V
・ [IC15]:14pinVDD 5VOK? ・ POWERB'D
O
.
K
.
CD用RESET
信
号の
確
認
MCUCDUSBB'D N.G
半
田
付
け
を
確
認
・ [IC27]:37pin/RST HlevelO.K.? ・ [IC24]:56pinCDDSPRSTonMCUCDUSBB'D
・ [IC21]:61pinDSPR
S
HlevelO.K.?
O
.
K
.
DAC用RESET
信
号の
確
認
INPUTB'D N.G
半
田
付
け
を
確
認
・ [IC15]:5pinAKRST ・ [IC24]:71pinAKRSTonMCUCDUSBB'D
HlevelO.
K
O.K.
発振波形確
認
MCUCDUSBB'D N.G
半
田
付
け
を
確
認
・ [IC27]:24pinXO ・ X301onMCUCDUSBB'D
16.9344MHzOK?
O
.
K
.
発振波形確
認
MCUCDUSBB'D N.G
半
田
付
け
を
確
認
・ [IC21]:73pinX2 ・ X302onMCUCDUSBB'D
9.0MHzOK?
O
.
K
.
DAC用ｸﾛｯｸ
信
号の
確
認
半
田
付
け
を
確
認
INPUTB'D N.G ・ IC27onMCUCDUSBB'D
・ [IC15]:1pinMCLK ・ BN12onMCUCDUSBB'D
16.9344MHzOK? ・ CN12onINPUTB'D
O
.
K
.
DAC用
制御信
号の
確
認
半
田
付
け
を
確
認
INPUTB'D N.G ・ IC24onMCUCDUSBB'D
・ [IC15]:6,7,8pinAKCS,AKCLK,AKCON ・ WN126,7,8pinonMCUCDUSBB'D
AKCDTI,AKCLK,AKCS
・ WF12onINPUTB'D
O
.
K
.

Denon D-M37 Specifications

General

Brand	Denon
Model	D-M37
Category	Car Receiver
Language	English