[TechAssist] Re: Panasonic PT-51G44A, AP815 picture blooms vertically,flips. FIX
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 18 Apr 2005 17:37:39 -0230
Good you gotit now take the rest of the day off..Eric
Eric
E M Electronics
Deer Lake Nfld
Canada
tvman@xxxxxxxxxxxxxxx
Phil Bader wrote:
> Second issue, snowey picture cured with an internal resolder of the RF
> block's board on rear.
> Phil Bader
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
> Phil Bader wrote:
>
>
>>BINGO!
>>It was, indeed C581: 33ufd@160 Volts. located on that upright PC board
>>in front of the flyback. Thanks so much.
>>Now, an existing problem the customer was living with before this failure:
>>Slightly snowey,grainey picture. Like a bad balun. Worked OK thru the
>>A/V inputs with a VCR customer said. I see an RF block on rear that
>>splits the incoming RF cable to two internal tuners. Main and PIP. My
>>bet is either the RF block is bad or one of the tuners.
>>Phil Bader
>>
>>Philip Bader
>>Jan Phyl TV Inc. (estab. 1976)
>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>Fax (863) 299-8821
>>email: tjanphyl@xxxxxxxxxxxxxxx
>>
>>
>>
>>Eric Manuel wrote:
>>
>>
>>
>>
>>>Try this Phil
>>> PT-61G54A, AP815 vert jitter then picture jumps to a bigger
>>>size. C581 shorted on stand up PCB in front of flyback.
>>>
>>>
>>> Eric
>>>E M Electronics
>>>Deer Lake Nfld
>>>Canada
>>>tvman@xxxxxxxxxxxxxxx
>>>
>>>Phil Bader wrote:
>>>
>>>
>>>
>>>
>>>
>>>>The picture seems too large, especially vertically, sometimes bounces
>>>>like a vertical jitter,then doesn't. Also a bit dark. I did find another
>>>>tech's email ref to this symptom,he mentioned replacing IC451, and asked
>>>>for a diode parts ID for D582 (tritronics answered: AU02, D582, Diode,
>>>>$0.70, in stk) but no other follow up as to the fix.
>>>>Phil Bader
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
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