33
3.2. COAXAL,OPTICAL
Is SPDIF signal normal?
• DIGITAL PCB
• JK55 1pin
• JK54 1pin
Is I2S signal normal?
• DIGITAL PCB
• 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
• IC42
23pin (DIR_DO) : Data pulse
• IC42
24pin (DIR _DI) : Data pulse
• IC42
25pin (DIR_CL) : Serial clock
• IC42
26pin (DIR_CE) : Chip enable
• IC42
34pin (DIR_RST) : Reset +3.3V
Is I2S signal normal?
• DIGITAL PCB
• IC44 12pin : LRCK_DSDR ( 32KHz - 192KHz)
• IC44 9pin : BCK_DSDCLK ( 2.112MHz - 12.288 MHz)
• IC44 4pin : SDA-DSDL
• IC44 48pin : 512Fs (16.38MHz - 24.576MHz)
Check DC voltage
•
DIGITAL PCB
• L402
: +3.3V
Check Soldering.
•
DIGITAL PCB
• CN14 5
pin (+3.3DD)
Check Soldering or replace.
• DIGITAL PCB
• JK54, JK55, R513 - R516, C529, etc.
Check Soldering or replace.
• DIGITAL PCB
• IC42, R478, R484
Check Soldering or replace.
•
DIGITAL PCB
• IC42, IC11, R117, R118, R119, R120
Check Soldering or replace
• DIGITAL PCB
• IC44, IC41, R418, R419, R420, R425
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Next page
Summary of Contents for NA8005
Page 8: ...Personal notes 8 ...
Page 24: ...19 Personal notes ...
Page 38: ...38 Personal notes ...
Page 43: ...WIRING DIAGRAM 43 ...
Page 56: ...Personal notes Personal notes 56 ...
Page 62: ...62 PCM9211 DIGITAL IC42 PCM9211 Block Diagram ...
Page 63: ...63 PCM9211 Pin Discriptions ...
Page 66: ...66 CS2000 CP DIGITAL IC43 CS2000 CP Block Diagram ...
Page 69: ...69 MFI337S3959 DIGITAL IC25 ...
Page 70: ...70 2 DISPLAY S020 MXS4035A 3 ...