[TechAssist] Re: JVC AV-27D302 missing IC921 Reg IC,need part ID
- From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 03 Feb 2003 20:49:38 +0000
I think it is a 1.2 ohm 1W.
Peter Oliver
Tucson Radio TV
From: "harry fogarty" <snoopys2002@xxxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: JVC AV-27D302 missing IC921 Reg IC,need part ID
Date: Mon, 03 Feb 2003 12:34:34 -0800
I have a jvc here with the same problem.The vertical chip looks good.The
resistor and diode on the 27v line from the fly is blown.The resistor is
burnt beyond reconition.What is the value of that resistor?
Thanks from Prince Rupert Repairs
>From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Re: JVC AV-27D302 missing IC921 Reg IC,need part ID
>Date: Mon, 03 Feb 2003 19:32:42 +0000
>
>
>A side note:
> Do you know why they pulled the STR30134 regulator?
>
> I had a set in Sat (I think it was a AV27980,a 1998 model) That used
>that
>same regulator IC. This TV was dead but the customer indicated that it was
>shrinking verical before. To make a long story short the Vert ic (LA7832)
>had a hole blown in it, the 100uf next to it read below 10uf, and the 27
>volt supply off the FBT had the diode and resistor blown. Then had to
>replace the vert IC again when D422 (vert overvoltage protect zener 75V)
>decided to fail after 5 min of running. So when you get the regulator IC
>the
>Vertical circuit is something to look at since until the recent rash of
>Philips failures (or IC^2 ) Vertical IC failure causing the set to die
>tended to be an afterthought. Why JVC decided on a str30134 as the
>regulator
>is a good question ehy not 130 or 135V??
>
>Peter Oliver
>Tucson Radio TV
>
>
>
>
>
>
>From: electronicrepair@xxxxxxxxxxx
>Reply-To: techassist@xxxxxxxxxxxxx
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Re: JVC AV-27D302 missing IC921 Reg IC,need part ID
>Date: Mon, 03 Feb 2003 13:45:25 -0500
>
>
>STR-30134
>
>
>
>At 01:00 PM 2/3/03, you wrote:
>
> >Came in dead missing IC 921regulator ic ( been in other shop ) can
>someone
> >ID it?TIA.
> >Country TV
> >Ron Miller
> >484 FM444 S.
> >Inez,TX 77968-5002
> >V.(361)782-6419. F.(361)782-9149
> >e-mail: rlmbkm@xxxxxxxx
> >
> >
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>Thank you,
>Electronic Repair Services
>48 W. James St.
>Lancaster, PA 17603
>
>
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