[TechAssist] Re: RCA PTK195AB , P52810LV projo instantly blows 5A AC fuse
- From: <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 5 Aug 2003 12:37:45 -0500
Replace the Convergence power supply board (mounted above Converegence amp
board) #205686 @$30 us
Also remove bottom tuner cover and resolder all ground points and
surrounding surface mounted caps .
If bottom cover has 2 covers replace with I bar shield #242604 and new cover
#242605
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
Dallas, TX
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 05, 2003 10:31 AM
Subject: [TechAssist] RCA PTK195AB , P52810LV projo instantly blows 5A AC
fuse
> I am the second shop into this unit.Not sure what the first did,but
> customer complained of lines appearing in the picture and I thinj he
> heard it in the sound also,like a tuner going into oscillation (I think
> from his description).
> He got tired of dealing with the other shop and the highly intermittant
> condition. I was scheduled to come out and take the chassisbut before I
> did, he called ,said it started looking distorted,so he turned it
> off.Later it was totally dead.
> Sure enough.
> In the shop I found the main 5 amp AC fuse blown. No shorts found.
> Q14401 HOT OK, main v. regulator Q14101 OK. PS Rectifiers all seem
> OK.Rectifier bridge OK. Main capacitor 680mfd@250V OK.
> BUT: Install a new 5A fuse ,simply plugping in the line cord instantly
> blows fuse.
> No shorts found anywhere!
> Need input!
> Phil Bader
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
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