LC-40/46LE810E, LC-40/46LX810E
6 – 1
LC-40LE810E
Service Manual
CHAPTER 6. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
No power (Central Icon LED failure to light up) or No startup (Central Icon LED is flashing)
Is the AC cord connector tightly connected to the set? NO Reconnect the AC cord tightly and turn on the power again.
YES
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 pins (11/BU+5V) of P9601as specified? NO Replace the power unit.
YES
Is there the pins (10/PS_ON) of P9601 at “H”? NO Check the signal line between PS_ON and IC2002.
YES
Is there the pins (9/AC_DET) of P9601 at “H”? NO Check the power unit, and the signal line between AC_DET and
IC2002.
YES
Is there the pins (1, 2, 3, 4/UR+13V) of P9601 at “H”? NO Check the signal line between PS_ON and IC2002.
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) BU3.3V (IC9609 etc.)
2) D3.3V (IC9605 etc.)
3) D5.6V (IC9608 etc.)
4) D5V (IC9612 etc.)
5) D+1.8V (IC9606 etc.)
6) D+1.05V (IC9604 etc.)
7) STB+3.3V (Q9604 etc.)
8) S+8V (IC9610 etc.)
9) CPU+1.2V (IC9603 etc.)
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