[TechAssist] Re: Fw: kp53xbr25 sony projection tv ap chassis update
- From: "pete" <tvtech@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 5 Oct 2005 16:47:12 -0500
I found the + in the power supply 18 volt supply shorted i fixed that part
and installed stks now the tv has high voltage and shutsdown I will post the
fix when I fix it
thanks to all
Pete
Perdomo Tv Inc Since 1972
Miami.Fl
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 05, 2005 7:31 AM
Subject: [TechAssist] Re: Fw: kp53xbr25 sony projection tv ap chassis
> Pete ,
>
> Remove the main power supply module & jumper the contacts of RY602. Put a
> 100watt bulb across the 115V regulated B+ pins on connector G5 (pin 5
> =115)
> & (pin2 =cold ground).
>
> Slowly bring up the supply on your variac and verify regulated 115V. This
> supply will draw about 3 Amps when running.
>
> The power supply board is typically riddled with ring cracks around the
> transformers and T0-220 type semiconductors.
>
> Do you have the shutdown guides and troubleshooting info for the AP series
> sets? I will send to you just in case.
>
> ==========================
> Jeff Stielau
> Shoreline Electronics Repair
> 344 East Main Street
> Clinton,CT 06413
> 860-399-1861
> 860-664-3535 (fax)
> jstielau@xxxxxxxx
> ========================
>
> ----- Original Message -----
> From: "pete" <tvtech@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 05, 2005 7:16 AM
> Subject: [TechAssist] Fw: kp53xbr25 sony projection tv ap chassis
>
>
>> Perdomo Tv Inc Since 1972
>> Miami.Fl
>> ----- Original Message -----
>> From: pete
>> To: Philip Bader
>> Sent: Tuesday, October 04, 2005 8:12 PM
>> Subject: kp53xbr25 sony projection tv ap chassis
>>
>>
>>
>> I believe its a shutdown problem, but Im not sure. I replaced
>> convergence
>> bd from another chasis and does the same thing all it does is tries to
>> turn on and imediatele shut off I dont know if I have high voltage or
>> not.
>> Do you have some notes on how to troubleshoot this tv to see if its the
>> power supply or what its shutting it down? Its a real pia set to work on
>> I
>> have the schematic but Im lol I havent seen many of these sets. Any
>> help
>> will be greatly appreciated
>>
>> thank you
>>
>> Pete
>>
>> Perdomo Tv Inc Since 1972
>> Miami.Fl
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