[TechAssist] Re: PIONEER SD-P5053 PTV VIDEO PROBLEMS
- From: "Glenn Larkman" <mail@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 24 Jun 2003 03:31:34 -0700
Jorge,
Pull the IF can and replace the two 22uf caps, C21 and C22 I believe the
locations are.
HTH
Glenn Larkman
Audiotech
256 Nth Hwy 101
ENCINITAS CA 92024
760 944 9048
FAX 944 0345
mail to"mail@xxxxxxxxxxxxx"
"www.audiotech.net"
----- Original Message -----
From: "Jorge Camboni" <geo@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 24, 2003 3:22 AM
Subject: [TechAssist] PIONEER SD-P5053 PTV VIDEO PROBLEMS
Hi techs, this SD-P5053 is driving me nuts, just repaired bad
convergence module (lots of 220mf/16 fishy dry caps), STK4277, lots of
cold solder and now the set comes on with perfect picture for a few minutes
and then the video vanishes.. The OSD remains, sound remains, and it
happens only with the tuner, the inputs video 1 thru video 3 have no problem
at all, so the problem seems to lie in the video if / video switch.
I have no schematics, just had to bring the main board from the customer's
home, I am afraid I will have to work blind. No hints anywhere for that
problem, except for newer models with separate if box, which this one
hasn't.
Any clues/hints/tips will be greatly appreciated.
TIA
Jorge
Jorge Camboni, GY Electronics, Richardson, TX
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