[TechAssist] Re: RCA Projection PTK169PCB Model NA
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 26 Jul 2002 02:03:04 -0500
Actually if you're getting 13.2 volts on the 15 volt line, that's normal.No
relay clicks, no ticking eh?? Is your area quiet enough that if you press
the power button, you might hear a tiny squeak each time the power button is
pressed? If you hear that, I'll bet your HV Splitter is shorted, quick check
is to disconnect the IHVTs anode wire from the splitter, tuck it away from
the chassis, fire it up and if you hear the HV hissing consistantly, then
you just found the problem.
Damon Brunger
damon101@xxxxxxxxxxxxxx
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 25, 2002 4:26 PM
Subject: [TechAssist] RCA Projection PTK169PCB Model NA
>
> Hi guys, working on a PTK169PCB (don`t have model # just lightbox) set
> was dead, regulated B+ was 204 volts replaced C4102 and B+ is now
> 141volts. Set will still not start because 15 v line is only 13.2 volts,
> no relay clicks, no ticking, replaced CR4118 with oem, pulled C4145 it
> esr`s good no leakage.I pulled jumper wire jw324 and 15 v line goes to
> 16.3, I replaced it and pulled jw320 and I get 13.9 volts so obviously
> 15v A&C lines are ok, the 15v B line is the problem. I`ve been pulling
> my hair out for 3 hours trying to find the short on this line, has
> anybody been down this path before?? Thanks in advance,
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl.
>
>
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