[TechAssist] Re: Fw: KV36FS100 shorted h out trans, now jagged hor. lines-arcing noise

  • From: tjanphyl@xxxxxxxxxxxxxxx
  • To: techassist@xxxxxxxxxxxxx
  • Date: Tue, 19 Jul 2005 21:24:58 -0400

If you unsoldered the HOT collector, and scoped the base,if base is 
clean, the noise would have to be from there on out,leaving the HOT, 
fly,yoke,etc.
Phil

Phil Bader, Pres.
Jan Phyl TV Inc
Winter Haven, Fl
(863) 299-8821
estab. 1976

----- Original Message -----
From: Al L <alleathe@xxxxxxxxxxxxx>
Date: Tuesday, July 19, 2005 8:26 pm
Subject: [TechAssist] Re: Fw: KV36FS100  shorted h out trans, now 
jagged hor. lines-arcing noise

> The waveform is clean,but I see a "slight burst" two thirds up the 
> leading 
> edge,and i hear sputtering noises at the top of the fly,with my 
> stethoscope.I suspect the hv multiplier.Thanks.
> 
> Al Leatherman
> 224 RT. 46
> Mine Hill, NJ 07803
> 973-361-5796
> WWW.ALS-TV.NET
> 
> ----- Original Message ----- 
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, July 19, 2005 8:11 PM
> Subject: [TechAssist] Re: Fw: KV36FS100 shorted h out trans, now 
> jagged hor. 
> lines-arcing noise
> 
> 
> > Al,
> >
> > Can you see the abnormities in the outputs' collector pulse?
> >
> > ==========================
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 344 East Main Street
> > Clinton,CT 06413
> > 860-399-1861
> > 860-664-3535 (fax)
> > jstielau@xxxxxxxx
> > ========================
> >
> > ----- Original Message ----- 
> > From: "Al L" <alleathe@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, July 19, 2005 4:49 PM
> > Subject: [TechAssist] Re: Fw: KV36FS100 shorted h out trans, now 
> jagged 
> > hor.
> > lines-arcing noise
> >
> >
> >> Thanks but replaced with new 702,same symptoms.
> >>
> >> Al Leatherman
> >> 224 RT. 46
> >> Mine Hill, NJ 07803
> >> 973-361-5796
> >> WWW.ALS-TV.NET
> >>
> >> ----- Original Message ----- 
> >> From: "tvservice" <tvservice@xxxxxxxxxxxxx>
> >> To: <techassist@xxxxxxxxxxxxx>
> >> Sent: Tuesday, July 19, 2005 4:36 PM
> >> Subject: [TechAssist] Re: Fw: KV36FS100 shorted h out trans, 
> now jagged
> >> hor.
> >> lines-arcing noise
> >>
> >>
> >>> look at the video output ic on the crt board common failure 
> item to 
> >>> cause
> >>> HOT to short
> >>> KV27FS100, KV27FS200, KV32FS100, KV32FS200
> >>> SubjectDead
> >>>
> >>> SYMPTOMS
> >>> Dead
> >>> RESOLUTION
> >>> Found Q502 Horizontal Output shorted. Replaced turned unit on 
> and after 
> >>> 5
> >>> seconds Q502
> >>> shorted again. Found IC702 defective. Replaced IC & Q502 and unit
> >>> restored
> >>> to working order.
> >>> 875956243 IC702 VIDEO OUTPUT
> >>> 655010701 Q502 HOR OUTPUT
> >>> Robert
> >>> tvservice@xxxxxxxxxxxxx
> >>> H & H Electronics Inc
> >>>
> >>> ----- Original Message ----- 
> >>> From: "Al L" <alleathe@xxxxxxxxxxxxx>
> >>> To: <techassist@xxxxxxxxxxxxx>
> >>> Sent: Tuesday, July 19, 2005 3:16 PM
> >>> Subject: [TechAssist] Fw: KV36FS100 shorted h out trans, now 
> jagged hor.
> >>> lines-arcing noise
> >>>
> >>>
> >>>>
> >>>> Sent: Tuesday, July 19, 2005 4:15 PM
> >>>> Subject: KV36FS100 shorted h out trans, now jagged hor. lines-
> arcing>>>> noise
> >>>>
> >>>>
> >>>> > Put in high quality output,scanning lines ragged at left of 
> >>>> > pix(severe
> >>>> > hafc hunting but not pie crusting),with my stethoscope i 
> can hear
> >>>> > arcing
> >>>> > from fly(I think).I suspect trippler in fly.Set is not 
> drawing heavy
> >>>> > current,and new h out trans is cool,pix is excellent.Any 
> ideas or
> >>>> > should
> >>> i
> >>>> > tell him two weeks before i get back,and order a fly?
> >>>> >
> >>>> > Al Leatherman
> >>>> > 224 RT. 46
> >>>> > Mine Hill, NJ 07803
> >>>> > 973-361-5796
> >>>> > WWW.ALS-TV.NET
> >>>> >
> >>>>
> >>>>
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