LC-32LE240M/340M(1stEdition)
5 – 1
LC32LE240M
Service Manual
CHAPTER 5.
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 AC_CTRL and PNL_POWER signal input at pins
(126) and (127) of IC3301?
NO
Check the AC_CTRL signal line PNL_POWER 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) M+5.6V (IC9603)
2) D+1.26V (IC9605)
3) D+5V (IC9610)
4) T+5V (IC9612)
5) D+3.3V (IC9608)
6) D+1.8V (IC9609)
7) D+2.5V (IC9611)
Содержание LC-32LE240M
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