[TechAssist] Re: Sony KV27FS100 Shuts down shorted D530
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 19 Jan 2005 14:07:58 -0500
Scope the collector pulse of the horizontal output when starting the set.
Clean pulse = Flyback Prob OK
Ugly Pulse = Flyback not Ok
Also........
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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SONY KV32FS100
Shut Down
Wayne Vanaman
Set Would Pulse And Shut Down.
Vertical Ic Shorted.
Ic561, 875969671, Aka Stv9379
D530, Shorted, 871997985
R536, Open, 126028811, 1/2w .47ohms
Replaced Micro, Set Would Run, But No Vertical.
Micro, Ic001, 180116501, M306vme-109sp
Still No Vertical Pulses.
Jungle, Ic301 Pin 61, (Data) Very Low Amplitude.
Cause: Comb Filter Ic302 Pin16 Data.
Desoldered Pin 16, Set Came Up With Degraded Picture.
Replaced Ic301 670159701, Aka Tc90ab69n. Fixed.
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SONY KV36FS16
No Picture - No Filament
David Parrish
No 15 Volt Off Flyback - D530 R536
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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
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----- Original Message -----
From: "Ben Daniels" <bens74820@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 19, 2005 11:22 AM
Subject: [TechAssist] Sony KV27FS100 Shuts down shorted D530
> This unit came in with D530 shorted (-15v on HVT)
> Replaced and now it shuts down as hv hits. You can
> grd. relay and all power supply volts come up, But no
> secondary supplies. I am thinking towards HVT?? Any
> Tips? Thanks
>
> =====
> Ben Daniels
> Ben's TV Repair
> 123 Arlington
> Ada, Okla. 74820
>
>
>
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