[TV] Re: Sony KV35S65

["al m" <ampm@xxxxxxx>]

The IK problem only stops the video not the horizontal. With an IK problem 
the filaments will be lit.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message ----- 
From: "lynnslb" <lynnslb@xxxxxxxxxxxxx>
To: <tv@xxxxxxxxxxxxxxx>
Sent: Wednesday, October 06, 2004 7:06 PM
Subject: [TV] Re: Sony KV35S65


> Wayman: you can try the 3 resistors and if that restores the picture then
> you know it is the I K circuit problem.
> Here is one other tip I found in WinSTIPS. As you can see it is not the
> exact chassis, but may apply to yours. HTH
> ---------------------------------------------------------------
> Text pasted from WinSTIPS 2.0
> http://www.ServiceSoftware.com
> ---------------------------------------------------------------
>
> SONY   SCCS07AA
>
> No Hv/ Shutdown
>
> Phil Hull
>
> Unit Shut Down Because Of A Shorted Pincushion Transistor Q 512 Part #
> 8-729-809-29 And A Burnt L511 Coil Part# 1-406-607-41  Replaced Parts And
> They Got Real Hot. Found A Bad Capacitor C530 .0022 Cked  Ok
>
> [TechAssist] Re: Sony IK Bypass : What Worked!
> From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Date: Tue, 2 Mar 2004 15:43:15 -0500
> I tried this on a KV32S15 and it does work, value is not critical, I used
> three 27K resistors. Like Jeff said, the picture fades in as the filament
> warms up like a normal TV used to do and also the sleep/timer led no 
> longer
> flashes as it warms up. This is NOT going to fix the weak gun of course 
> but
> in some cases the owner could get another year or two out of the set this
> way. Finally, a simple way to defeat the IK problem.
> **************************************************
> Jim Myers
> Since 1972
> Telrad Electronic Services Co.
> Fort Wayne, IN 46815
> *************************************************
> ----- Original Message ----- 
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, March 02, 2004 2:47 PM
> Subject: [TechAssist] Sony IK Bypass : What Worked!
>
>
> In follow-up to me earlier post on the IK Bypass , another tech had
> mentioned this method.
>
> Take three 18K resistors and connect one end of each to the Red , Green 
> and
> Blue Cathodes , the solder the other ends all together.
>
> This works perfect , you can see the image come up as the filaments warm 
> up.
>
> Image looks like crap because of the dead green cathode BUT picture is not
> flashing....and that is all the customer wanted..
> =================================
> Jeff Stielau
> Shoreline Electronics Repair
> 344 East Main Street
> Clinton,CT 06413
> (860)399-1861
> (860)664-3535 FAX
> jstielau@xxxxxxxx
> =================================
> ----- Original Message ----- 
> From: "Wayman Simmang Sr." <waymansr@xxxxxxxxxxxxx>
> To: <tv@xxxxxxxxxxxxxxx>
> Sent: Wednesday, October 06, 2004 12:31 PM
> Subject: [TV] Re: Sony KV35S65
>
>
>> Hi Guys: Have asked for help on this one before and feel sheepish to ask
> again. Its on a Sony KV35S65 Chassis # SCC-S07M-A.
>> The set will cut the high voltage off and leave the sound on after a
> minute or less. Thereby losing any other voltages derived from the 
> flyback.
> No fuses blow but sound and station selector work changing channels is OK
> too.
>>
>> I have checked the voltage feeding the I.C. 351 which generates the
> horizontal drive, thinking it might be being cut off, but Pin #34 keeps 
> the
> 9V. on it. I then replaced the IC351 chip and no change. When this happens
> you have to kill the AC input to the set so that it can re-set. Then you 
> can
> go thru the whole thing all over again. I have tried changing the setting 
> on
> the screen control and it works OK for a minute or two. The whole problem 
> is
> that I dont have any clues as to whether it is the HOT or the Driver
> transistor or the Flyback or some condition that cuts the drive off.
>>
>> If anyone would be kind enough and has access to WinsTips I would
> certainly appreciate some help. I have had this set for months and the
> customer has another set and a lot of patience.
>>
>> It might be an IK problem(but I dont think so) and it might be in the
> Automatic Brightness Level circuit but I cant find anything wrong mostly
> because when the flyback quits there is nothing to check in these areas 
> and
> there isnt enough time that it works to find the problem. The Regulator
> Keeps a constant 135V. Regulator was replaced. I replaced the driver
> transistor but havent replaced the HOT.
>>
>> Thank you for any help......WinsTips please.  Help!!!
>> Wayman at Simmang's TV
>
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