28
TROUBLE SHOOTING
1. Power not turn on.
Is the wire properly inserted ?
• CN93
Check +3.3ST output voltage
•
POWER PCB
•
BN14 4pin
Has the power relay switched?
•
SMPS PCB
•
RY91
Replace IC92.
Replace RY91
Replace Q952
Is the control signal 3.3V?
•
SMPS PCB
•
CN93 3pin (STB_CNT)
Is the control signal 3.3V?
•
DIGITAL PCB
•
IC11 pin98(A_power_on/off)
Check Soldering or replace.
•
DIGITAL PCB
• IC11
Is D964 anode 0V?
•
SMPS PCB
Next page
Is the Fuse opened?
•
SMPS PCB
• F951
Replace F951.
Insert wire properly.
Is D960 Cathode around 6V?
•
SMPS PCB
Replace TF91 or IC95.
Is IC92 6pin 3.9V?
•
SMPS PCB
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
YES
NO
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 ...