[TechAssist] Re: PROVIEW 772M * DEAD*
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 07 Nov 2003 18:12:01 -0500
Kevin, if you go to:
http://www.schema99.d2.cz/monitory/p.htm
there are some tips for Proview monitors but unfortunately they are not
in English. Maybe there are web sites to translate.
Here are some other tips:
MONITOR PROVIEW 772 High Voltage Arcing Sound Replace
Flyback Transformer (part# 730-302-768IB)
=========================================================================================================
MONITOR PROVIEW 772 Dead Replace Q663 & Q664 (both
2SC4686A) &
ZD671 (56V zener)
=========================================================================================================
MONITOR PROVIEW 770 dead Replace Q630(IRF634) and
C635(22uf/250v).Replacing the cap is important
==========================================================================================================
MONITOR PROVIEW 770M DEAD Q611 was shorted,also check
solder
connections at relay 601
=========================================================================================================
This tip is for: PROVIEW MONITOR PX-768
Problem: Dead Set
Info: George M. Dzupinka Fcc Id Ijepv-768
Fix: Horziontal Output Shorted Q606. Replace Q606 ( 2sc5251 )
=========================================================================================================
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Kevin Gunn wrote:
>
> I have a 17" Proview 772M monitor that came in DEAD.
> I replaced Q630 IRF634 and C635 and now it is clicking on and off with the
> Video going in Vert and Horiz. Appears power supply is cycling.
>
> Does anyone have any thing else?
>
> Kevin Gunn
> Star Tek Electronic Services
> 390 Springbank Drive
> London, Ontario
> www.startek.701.com
>
> N6J 1G9 519-473-6366
>
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