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

  • From: Al L <alleathe@xxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Tue, 19 Jul 2005 20:26:25 -0400

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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