2T-C45AE1X
6 – 1
CHAPTER 6.
TROUBLESHOOTING
[1] TROUBLESHOOTING
[1] TROUBLESHOOTING TABLE
No power (front LED failure to light up) or no startup (front LED failure to turn from red to green)
Are the wire harnesses and other cables properly connected in
the set?
NO
Reconnect the wire harnesses and other cables properly in the
set.
YES
Is there the PS̲ON and PNL̲POW signal input at pins
(14 ) and (16 ) of P9601?
NO
Check the PS̲ON signal line PNL ̲POW signal line.
YES
Are the DC/DC converter outputs and the output voltages along
the control lines as specified?
NO
Check the DC/DC converters and the control lines. Replace
defective parts as required.
1) D 1.5V (IC9601)
2) BU 3.3V (IC9602)
3) BU 1.1S (IC9603)
4) D 3.3V (IC9604)
5) D 5.1V (IC9605)
6) PNL +12V (AO6405)
7) BU +5V (D9602 )
