[TechAssist] Re: Zenith SS2504
- From: "GARY AND JUANITA CHAMBERS" <gchambe3@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 15 Jan 2002 21:11:47 -0500
There are 2 smaller capacitors near the reg ic, i suspect they are bad, also
I would change q3431 after that kind of overvoltage.
good luck,
gary CHAMBERS TV
BRADENTON,FL
SINCE 1982
----- Original Message -----
From: Don <tvgramps@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, January 15, 2002 8:44 PM
Subject: [TechAssist] Zenith SS2504
>
> Came in with fuse main fuse blown 2 B+ diodes shorted and C3431 had
> vented,changed these parts and installed new STR54041 set fired up with
> video and audio ok. After about 1 minute lost video then shutdown. The
> regulator heat sink was too hot to touch, left unplugged for about five
> minutes and plugged back in, the regulator heat sink started to get hot
> again before the set was ever turned on. I checked the transistor near the
> regulator Q3431 it checked ok. No schematic nothing listed in Sam's for
this
> model.
>
>
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