[TechAssist] Re: Sharp 55R-WP4H Proj TV
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 17 Aug 2004 13:21:41 -0400
There probably won't be that much repair history on this set as I believe
Sharp's repair policy is chassis swap (or at least it was) for warranty. I
have not seen one in quite a while. The last one I saw actually had
defective convergence amp IC's but I still had to replace the chassis as per
Sharp's warranty policy.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Paul" <dntwntv@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 17, 2004 1:09 PM
Subject: [TechAssist] Re: Sharp 55R-WP4H Proj TV
> Thanks Hugh, I have the manual. I doubt if many have encountered this
problem before
>
Paul ;
> "Hugh @ Main TV" <maintv2004@xxxxxxxxxxx> wrote:
> We have the factory manual on this set if it will help. Nothing in
Winstips
> that sound like this problem.
> Hugh Thornley
> maintv2004@xxxxxxxxxxx
> Main TV
> 636 Main St
> Longmont, Co 80501
> 303-776-6955 Tel
> 303-776-0792 Fax
> ----- Original Message -----
> From: "Paul"
> To:
> Sent: Monday, August 16, 2004 6:17 PM
> Subject: [TechAssist] Sharp 55R-WP4H Proj TV
>
>
> > Need someone that is familiar with this set to help. It will not start
> unless I go through a routine of unplugging any one of the three
combination
> convergence /vert yolk plugs. Then plugging the a/c cord in and then
> plugging the yolk back in. Now the set will start up. If I shut the set
off,
> it will start up again if I don't wait too long. If I unplug the a/c, then
I
> have to remove any of the yolk plugs and repeat the routine. The standby
> voltage does not come up unless I do the routine. One other consideration,
> the print calls for +&- 25 volts for the convergence amps. This supply is
> putting out +&-40v in standby and +&-33V in run. This doesn't seem normal,
> but find nothing. Other standby supplies are normal. I have been going
> around in circles on this thing too long. I have replaced the amps on the
> convergence amp board and a 5v regulator. Every ave. I go down ends up a
> dead end. Have heated and used all my freeze. Have more coming. Tried to
get
> help from factory,wont ta
> > lk to
> > me. Not Sharp ASC. Sorry to write a book but really could use some help.
> >
> Paul
> >
> >
> > Paul ,B
> > Central TV&Video
> > 911W Grand Ave
> > Grover Beach Ca.
> > (805)481-8084
> >
> >
>
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> Paul ,B
> Central TV&Video
> 911W Grand Ave
> Grover Beach Ca.
> (805)481-8084
>
>
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