[TechAssist] Re: Sony kv35s42 blows SMP IC
- From: Frank Luu <fkluu@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 15 Oct 2002 06:25:23 -0700 (PDT)
Larry:
Did you replace spike (blue,next to SMP) capacitors
yet?
Frank Luu
--- Larry <schntv@xxxxxxxxxxxx> wrote:
>
> Sony KV35S42 , replaced shorted SMP dual transistor
> IC.
> removed and checked most parts on the SMP board, all
> check ok.
> tv played fine for 3 hours, no heat problem.
> unplugged from isolation transformer and delivered
> set.
> plugged it in and instantly blew the SMP transistors
> again.
> Very desisted but brought the set back to the shop
> and
> installed genuine Sony IC, and fuse resistor.
> played set for 4 hours.
> beautiful pix, works fine.
> so unplugged and removed cable antenna, than plugged
> in to un-isolated AC. so far so good.
> now unplugged and connected cable and pluged into ac
> outlet and blew the darn thing again.
> I am a slow learner, did it a third time, but cant
> find any thing wrong.
> I can find no leakage to tuner ground.
> the only clue I have ,is the ground wire from the
> tuner to the SMP,
> on the SMP end is actually a spark gap arraignment.
> and a spark jumps across when it blows. I think
> static discharge from the crt is blowing the SMP.
> are there any bulletins or fixes available?
> I can not call Sony.
> Can anyone help me?
> Thank you,
> Larry
>
>
> --
> Schneider TV & Electronic Inc.
> 5415 N. Wooster ave.
> Dover, Ohio 44622
> www.geocities.com/schntv2000/
> 330-343-0768 FCC. first class & Extra class
> K8WLY
> ------------------------------------------
> To REMOVE your email address, click here:
> http://www.tech-assist.org/unsubb.html
> To CHANGE your email address, click here:
> http://www.techassist.net/forms/change.html
> ------------------------------------------
> ***NEW*** Tips Added Instantly!!!***
> Submit Repair Tips here:
> http://www.tech-assist.org/secure/tip/
__________________________________________________
Do you Yahoo!?
Faith Hill - Exclusive Performances, Videos & More
http://faith.yahoo.com
------------------------------------------
To REMOVE your email address, click here:
http://www.tech-assist.org/unsubb.html
To CHANGE your email address, click here:
http://www.techassist.net/forms/change.html
------------------------------------------
***NEW*** Tips Added Instantly!!!***
Submit Repair Tips here:
http://www.tech-assist.org/secure/tip/
Other related posts:
