[TechAssist] Re: Pioneer Big Screen SDP50A3K...Blowing fuse after 3 or 4 days
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 27 Feb 2005 10:01:01 -0500
FU105 is the -25V supply.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "peter" <pe.kow@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, February 26, 2005 10:41 PM
Subject: [TechAssist] Re: Pioneer Big Screen SDP50A3K...Blowing fuse after 3
or 4 days
> Al is this fuse in the supply to the convergence? We had a couple of
> instances where the reg IC's (+ and - 15v) were a little leaky under load
> or
> had bad joints and would cause fuse failure every 3-4 days. If not in
> Conv.
> then may be a cap that is leaky in the circuit that is fed by that fuse.
> HTH
> Peter Keith's Stereo Burl. ON pe,kow@xxxxxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Al Brown
> Sent: February 25, 2005 1:00 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Pioneer Big Screen SDP50A3K...Blowing fuse after 3
> or
> 4 days
>
> Product: Pioneer PTV
> Model: SDP50A3K
> Problem: I had this set in the shop back in December..Came in
> dead...Found
> fuse FU105 (4 amp) blown.....I went all over the boards and resoldered
> numerous connections , replaced fuse and all was ok...Played in shop for a
> couple of days ok...Sent home and customer said it lasted about 4 days and
> took out fuse again...He replaced it himself and then called in 3 days and
> said it was gone again...Any ideas what might be causing this ??
> Thanks
> Al Brown
> Largents Inc.
> 718 Main St.
> Lewiston, Id. 83501
> 208-743-8579
> 208-746-3426 Fax
>
>
>
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