[TechAssist] Re: Philips Magnavox TS2746C221, 27F800 7583 horiz.instability (jagged pic.) "Shhh" in audio, shuts down
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 11 May 2004 17:34:01 -0400
Yes, it's in with the audio,I think the "hash" causing the horiz.
instability is getting into other circuits. I "feel" (nonprofessional?)
that the fluback is the cause here. Probably the pots. I ordered one at
a very fair price, less than fifteen bucks if that tells you something.
Will be installed Thursday. I replaced scan caps, the H. driver, and a
100mfd cap known to go south. Same ole.
I lit a candle and faced east. That usually gets results, but no...
Chicken bones, ouija board, nothing...Stubborn case.
Will see.
hey, if you are gonna "feed" me tips from your program,why am I buying
one, I can just bust your chops.
;-)
Just razzin ya.
Phil
Intrepid Video Support wrote:
>Phil,
>You may want to check this, from Tech Repair CD:
>Magnavox\TS2746C221\In a small number of F8 chassis equipped models the
>following symptom may occur. At
>turn on/warm up* there is a bright screen with retrace lines.\Within seconds
>the set goes to shutdown.
>Error 2 is flashed by the power LED if the chassis is started in SDM by power
>up with the Service Jumper
>in place.\\27F8\Replace resistor 3340 on the CRT panel only with 4835 116
>57097 (10 ohm* 1/2
>watt).\\\\\\\\
>
>Could also have a bad yoke..are you sure the shhhhhhhhhh is coming from the
>speakers and not the yoke?
>Jeff
>--
>Intrepid Video TV/VCR Repair
>263 S Front St, Steelton PA 17113
>717-939-7708; (F) 717-564-4952
>www.intrepid-video.com www.tech-repair.net
>----- Original Message -----
>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, May 11, 2004 1:34 PM
>Subject: [TechAssist] Philips Magnavox TS2746C221, 27F800 7583 horiz.
>instability (jagged pic.) "Shhh" in
>audio, shuts down
>
>
>Sorry for long subject line,but that's it.
>Customer complaint was "shuts off after it warms up".
>Went over the underside, found no bad solder, rapped and tapped while
>on, no change.
>It has a full picture with a horizontal jagged "piecrusting" around all
>images, along with a "Shhhhh" noise in with the audio, like an audio IF
>misalignment. I think I see a very slight overall intermittant size and
>brightness fluctuation, and after ten minutes or so it just shuts off.
>Cannot turn back on unless cord unplugged for a moment.
>I changed the known issue, scan cap #2463 (680pF@ 2KV) with no help. I
>freeze sprayed around but nothing definate.
>Vert IC has good solder (this isn't vertical symptom anyway)
>Need input here guys!
>Phil Bader
>
>
>
--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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