HP PL4260N Service Manual
Download Service manual of HP PL4260N - 42" Plasma TV Flat Panel TV, HDTV for Free or View it Online on All-Guides.com.
Brand: HP
Category: Flat Panel TV , HDTV , LCD TV , Plasma TV , TV , TV Receiver
Type: Service manual
Model: HP PL4260N - 42" Plasma TV , HP PL5060N
Pages: 245
60 HP High-Definition Plasma TV Service Manual PL4260N, PL5060N
Failure type Picture
Source: ANALOG TV
Description: There is no sound when video/audio
signal input and the volume over the 20 level.
Connect speaker and PB terminal.
Inspection items Remarks
1 Check the connections of speaker cable with
terminal on CB.
2 Check that the volume is over the 20 level.
3 Open the back cover.
4 Check the connections of XP601 on TB and
XPC91 on CB.
5 Check the connections of XP003 on TB, and
whether +24V power has been supplied to pins
of L600/L601 on TB.
6 Check whether the voltage of R604 on TB is
+5V.
7 Check whether there is correct sound signal on
pin #52/#20/#21 NP01 on TB.
8 Check whether there is correct sound signal on
pin #2/#4 of XP601 on TB.
XP003: AMP power
L600/L601: AMP POWER +30V