30
2. OLED doesn't Light
Check DC voltage
•
FRONT PCB
• BN85 6
pin : + 3.3
Check DC voltage
•
FRONT PCB
• BN85 4pin,5
pin : 22V
Check DC voltage
•
FRONT PCB
• IC81
3pin : +16V
Check reset signal
•
FRONT PCB
• WF81 25
pin(EL_RESET) : +3.3V
Check DC voltage
•
FRONT PCB
• BN85 7
pin : + 3.3V
Check DC voltage
•
POWER PCB
• CN85 7
pin : +3.3V
Check Wire
BN85.
Check device
•
POWER PCB
• IC910 2
pin : + 3.3V
Is DC voltage normal?
•
POWER PCB
• CN85 6
pin : +3.3V
Check Wire
BN85.
Check Wire
BN85.
Replace
IC81.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
Check device
•
POWER PCB
• IC907
2pin : +3.3V
Check device
•
POWER PCB
• Fuse F
902
Check reset signal
•
DIGITAL Board
• U6002 25pin (EL RESET) : +3.3V
Check Soldering or replace
•
DIGITAL PCB
• IC11
Check Soldering or replace
•
DIGITAL PCB
• WF11
and FFC cable
Check DC voltage
•
POWER PCB
• CN85 4pin,5
pin : 22V
YES
NO
NO
NO
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 ...