[TechAssist] Re: Sony KV-27HSR10 Chassis SCC-C60C-A
- From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 13 Aug 2003 13:25:06 -0500
Replace the .047uf on the base of the horiz driver transistor, also check
for bad solder on sub regulators.HTH
Country TV
Ron Miller
Inez, TX. 77968
----- Original Message -----
From: "teltek3" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, August 13, 2003 12:59 PM
Subject: [TechAssist] Sony KV-27HSR10 Chassis SCC-C60C-A
> Set came in with Horizontal Output shorted. The old transistor was a
> 2SD1941. Customer said that this transistor was changed 4 months ago. (not
> by me). I replaced it with a 2SD1497. Both of these transistors sub to an
> ECG2300. Same old story...this transistor went out about 1/2 an hour after
> turn on. Winstips says Change it with a 2SC4927 and change R523 to a
0.68ohm
> 1 watt. Apparently this is from a Sony Service Bulletin. Has someone done
> that, and did it hold? Or are there other problems that will cause this
H/O
> to run Super hot, till it kacks?
>
> -Ed-
>
> Tel-Tek Electronics
> Ontario-Canada
> teltek3@xxxxxxxxxxxx
>
>
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