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

Download HP PL4260N - 42" Plasma TV Service manual

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2-8. The screen has one several vertical
line.
(1) In this case, It isn’t a problem about CTRL B/D or X B/D.
(2) It may cause followings.
- It’s out of order a panel
- Open or short of DATA TCP attached panel
- It’s out of order a DATA TCP IC attached panel
(3) Replace Module.
Screen Display Form
2- 9. The screen has one or several
horizontal line.
(1) In this case, it isn’t a problem about CTRL B/D or Y B/D.
(2) It may cause followings.
- It’s out of order a panel
- Open or short of SCAN FPC attached panel
- It’s out of order a SCAN IC attached panel
(3) Replace Module.
Screen Display Form
2-10. Lightness of screen is wholly darken
though there is input-signal-pattern
(1) In this case, Z B/D operation isn’t complete.
(2) Check the power cord of Z B/D.
(3) Check the connector of Z B/D and CTRL B/D.
(4) Replace the CTRL B/D or Z B/D.
2-11. The screen displays other color
partially on full white screen or
happens Mis-discharge partially on
full black screen.
(1) Check the declination of Y B/D set up, set down wave.
(2) Measure each output wave with oscilloscope(more than
200MHz) and compare the data with below figure data. The
slope of ramp in B/D is VR51, The slope of set_up is VR22,
The slope of set_down is VR2, The voltage of -Vy and
Vscan is respectively PS101 and PS 102. for these, Vzd of
Z B/D adjust as indicated in Label by making VR3 variable.
- Measuring Point of Y B/D : B1
- Measuring Point of Z B/D : B10
12. It doesn’t display a specified
brightness at specified color
(1) Check the connector of CTRL B/D input signal.
(2) Replace the CTRL B/D.
It may show several vertical lines
in a quarter or other division part
of screen including left case.
It may show several horizontal lines
including left case.

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