Table of Contents
Advertisement
CHAPTER 6.
LC-32AX5M
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)
Is the AC cord connector tightly connected to the set?
Is the output voltage at pin (5) of P5011 (BU+5V line) as speci-
fied?
Are the wire harnesses and other cables properly connected in
the set?
Is there the PS ON and PNL_POW signal input at pin (1) and (4)
of P5011 (PS ON line)?
Is the output voltage of each pin on P5010 as prescribed?
Pin 1
6V
Pins 3 and 4
5V
Pins 7 and 8
10V
Pins 11 and 12
13V
Are the DC/DC converter outputs and the output voltages along
the control lines as specified?
1) 5V (IC707 etc.)
2) 4V (IC703, Q707 etc.)
3) 3.3V (IC702, Q706 etc.)
4) 1.5V (IC704, Q708 etc.)
5) 8.5V (IC705 etc.)
6) 31V (IC706 etc.)
YES
YES
YES
YES
YES
Service Manual
NO
Reconnect the AC cord tightly and turn on the power again.
NO
Replace the power unit (RDENCA182WJQZ).
NO
Reconnect the wire harnesses and other cables properly in the
set.
NO
Check the PS ON signal line PNL_POW signal line.
NO
Replace the power unit (RDENCA182WJQZ).
NO
Check the DC/DC converters and the control lines. Replace
defective parts as required.
6 – 1
LC-32AX5H/M/X
Advertisement
Chapters
Table of Contents
