[TechAssist] Re: Sony Vaio Laptop- LCD light problem
- From: Gary McCartney <number63@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 08 Sep 2002 10:52:47 -0400
Roger, I believe the function of the DC-DC converter is to provide hi
voltage to power the display backlight. Just guessing that it isn't
putting out high enough voltage to make the lamp bright enough. Have you
checked for bad caps or transistors on the DC-DC converter board?
Gary McCartney
McCartney Electronics
7134 Fife Rd, RR 7
Guelph Ontario Canada N1H 6J4
Fax: (519)821-1530
email: number63 (at) inetsonic.com
rogerfixit@xxxxxxxx wrote:
>
> Sony laptop Vaio PCG-8402 (=PCG XG29)
> Problem- LCD screen works but not bright. Screen is Hitachi- made
> TX36D85VC1CAB
> Can we replace the "lamp" part of the screen (if we can get it!!)?
> Also, there is an inverter board which connects to LCD 'lamp'. Service
> manuals give no voltages- not sure of function of board - anyone know??
> LCD available from Sony - $500.
> Roger G.
>
> Mr. Fix-It Harrisburg, PA WebSite-
> http://mrfixit.netfirms.com
> rogerfixit@xxxxxxxx (alternate - rogerfixit@xxxxxxxxxxxxx )
> FAX 801-705-3748 ; Tel: 717-763-7098 (shop) 717-652-1703(home)
>
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