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LC-32LE280X/LC-40LE280X
4 – 1
CHAPTER 4.
TROUBLESHOOTING
TABLE
[1] TROUBLESHOOTING TABLE
[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
(1) of P9601(32”) / (9),(1) of P9601(40”)
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) BU 1.5V (IC9606)
2) BU 3.3V (IC9602)
3) D 1.05V (IC9603)
4) BU 3.3V (IC9602)
5) D 5.1V (IC9601)
Summary of Contents for LC-32LE280X
Page 41: ...LC 32LE280X LC 40LE280X 6 5 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT SYMBOL B ...
Page 42: ...LC 32LE280X LC 40LE280X 6 6 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT CHIP ...
Page 43: ...LC 32LE280X LC 40LE280X 6 7 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT PATTERN ...
Page 45: ...LC 32LE280X LC 40LE280X 6 9 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT SYMBOL B ...
Page 46: ...LC 32LE280X LC 40LE280X 6 10 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT CHIP ...
Page 47: ...LC 32LE280X LC 40LE280X 6 11 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 POWER UNIT PATTERN ...
Page 66: ...LC 32LE280X LC 40LE280X 15 ...