[TechAssist] Re: OK new question. Samsung PCH521R May need schematic. Convergence problem.

  • From: "Premium Technologies" <premtech@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 6 Dec 2005 12:53:18 -0800

Gerald,
Almost identical, both are the same chassis, and the PCJ522R is on file in the 
members 
area...  If you have any problems getting it I have it and I'd be glad to 
download it or 
sections of it that you need...
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993

----- Original Message ----- 
From: "GERALD GANN" <alpha21century1234@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, December 06, 2005 12:33 PM
Subject: [TechAssist] Re: OK new question. Samsung PCH521R May need schematic. 
Convergence 
problem.


OK new question. Being I got no replay on my first post. Can

some tell me if the convergence setup is the same for this modal

as it is for the PCJ522R? The schematic would still be great.

Thanks.

  Jerry
  Alpha 21 Electronics
  Granite City, IL 62040
  618-452-8620
  alpha21century1234@xxxxxxxxxxxxx


GERALD GANN <alpha21century1234@xxxxxxxxxxxxx> wrote:
Samsung PCH521R May need schematic. Convergence problem.

Found this tip in T/A

Garris TV, Make: Samsung, Model: PCH521R, Chassis

 APT51B,

Problem: Convergence way off and unable to adjust, top/bottom bowed-in.,
Cure: Open 3A on P/S Module located on right side of chassis, this fuse 
protects the -26v 
going to all (3) STK391-020 Convergence IC's which are located on left side of 
chassis on 
large heat-sink. Replaced 3A fuse on SMPS board and replaced all (3) STK391-020 
Convergence 
IC's on the Convergence/Sound board.
Comments


3A fuse is good. Before I change all three STK's, looks like a

pain in the axx's. Anyone have any quick fixes? No leakage from

 tubes.

  Jerry
  Alpha 21 Electronics
  Granite City, IL 62040
  618-452-8620
  alpha21century1234@xxxxxxxxxxxxx





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