31
TROUBLE SHOOTING
1. OLED dosen't light
Check the Power Supply Voltages for OLED.
FRONT PCB
・
+3.3V_D1
[CP
120、6
pin]
Check the Power Supply Voltages for OLED.
FRONT PCB
・
+18V_OLED
[CP
120、5
pin]
Check the status of the following parts and check the solder.
MAIN PCB
CP126、L153、C125
Other, connected circuit.
Check the status of the following parts and check the solder.
MAIN PCB
CP126、F102
Other, connected circuit.
NO
NO
YES
YES
Check the Power Supply Voltages for OLED.
FRONT PCB
・
+16V_OLED
[
CP118、30pin
]
Check the communication signal for OLED.
FRONT PCB
There are no abnormal voltages, such as middle potential.
There is no abnormal waveform.
[
CP118、5-20
pin]
Check the status of the following parts and check the solder.
MAIN PCB
IC112
Other, connected circuit.
Check the abnormal signal path.
NO
NO
YES
Replace the OLED.
YES
Summary of Contents for NA6005
Page 8: ...Personal notes 8 ...
Page 30: ...Personal notes 30 ...
Page 39: ...BLOCK DIAGRAM 39 ...
Page 40: ...POWER DIAGRAM 40 ...