[TechAssist] Re: Sony KV32HSR10

Did you check the electrolytic on the primary of the horizontal driver
transformer?

If the HOT was shorted...there is usually a reason!

These tips may apply!

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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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SONY   KV32HSR10

H.O.T. Repeat Failure. Runs Hot. Ringing In Waveform

T501 P/N 143719511 Horiz Driver Xfrmr

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SONY   KV32HSR10

Dead

From Danny'S Tv    Mfg:April 89     Sams 2821-2

Replace H.O.T Q503=D1941 (From Sony ) To 2sc4927 And R523 To 0.33 Ohm
1w,Q505=C3298b From Sony Can Be Replaced With 2sc4793.

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==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
==========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


----- Original Message -----
From: "C&W Electronics" <c_w_electronics@xxxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 30, 2003 11:05 PM
Subject: [TechAssist] Sony KV32HSR10


> Need some help. Customer complaint; no pict/snd, clicks only. Just went
off.
> Located shorted Q503(2SD1941) 8-729-304-50. Replaced Q503, ckd & soldered
dvr transformer, coils, diodes, caps in horz ckt. All ckd ok. B+ steady at
135v.
>
> Picture and sound good. Brightness, linearity perfect, but after about 15
min, Q503, D512 and L501 run extremely hot. I know that Q503 would self
short if left on.
>
> Any ideas would be appreciated.
>
> Paul W
> C&W Electronics
> Azle Texas
> c_w_electronics@xxxxxxxxxxx
>
>
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