Marantz HD-DAC1 - TROUBLESHOOTING: Coaxial;Optical Sound Issues

39
3.2. COAXAL,OPTICAL
Is SPDIF signal normal?
DIGITAL PCB (CUP12688)
JK41 1pin
JK42 1pin
JK43 1pin
Is I2S signal normal?
DIGITAL PCB (CUP12688)
IC42 17pin (data) : Data pulse
IC42 18pin (LRCK) : clock 33KHz - 192KHz
IC42 19pin (BCK) : clock 2.112MHz - 12.288 MHz
IC42 20pin (SCKO) : clock 16.896 MHz - 24.576MHz
Is control signal from micro proccessor normal?
DIGITAL PCB (CUP12688)
IC42 23pin (DIR_CID0) : Data pulse
IC42 24pin (DIR _CODI) : Data pulse
IC42 25pin (DIR_CLK) : Serial clock
IC42 26pin (DIR_CE) : Chip enable
IC42 34pin (DIR_RST) : Reset +3.3V
Is I2S signal normal?
DIGITAL PCB (CUP12688)
IC23 7pin : DSD_R / PCM_LRCK ( 32KHz - 192KHz)
IC23 12pin : DSP / PCM_BCK ( 2.112MHz - 12.288 MHz)
IC23 4pin : DSP_L / PCM_DATA
IC23 48pin : CS2000 MCK (16.38MHz - 24.576MHz)
Check DC voltage
DIGITAL PCB (CUP12688)
L102 : +3.3V
Check Soldering.
DIGITAL PCB (CUP12688)
CN11 3pin (+3.3_D)
Check Soldering or replace.
DIGITAL PCB (CUP12688)
JK41, JK42, JK43, IC45, etc.
Check Soldering or replace.
DIGITAL PCB (CUP12688)
IC42, R415, R416, R417, R418,
R287, R288, R289, R290
Check Soldering or replace.
DIGITAL PCB (CUP12688)
IC42, IC11, R405, R411, R412, R413
R162, R163, R164
Check Soldering or replace
DIGITAL PCB (CUP12688)
IC23, IC21
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Next page