[TechAssist] Re: Fw: kp53xbr25 sony projection tv ap chassis WARNING!!!!!!!!!!!!!!!!!!
- From: "Leonard Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 5 Oct 2005 09:51:03 -0400
MAKE SURE YOU DO NOT RUN THE PS WITH THE +/-18 VOLT SUPPLY (audio) UNLOADED.
IT WILL BLOW THAT SUPPLY! KEEP THE YELLOW CONNECTOR G3 CONNECTED.
Leonard Caillouet
Electronics World
1261 NW 76 Blvd
Gainesville, FL 32606
352-332-5608
352-332-5668 fax
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 05, 2005 8:31 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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