[TechAssist] Re: RCA Projection PTK169PCB Model NA
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 25 Jul 2002 22:51:55 -0400
Larry,
From Tech Repair CD:
·RCA·PTK169·POWER SUPPLY TRIES TO START* SHUTS DOWN-NO HV····DISCONNECT HV LEAD
FROM HV SPLITTER* MEASURE. IF HAS HV* SUSPECT SPLITTER······
Jeff
FAX 717-564-4952
Intrepid Video & Electronics
501 Luther Rd
Harrisburg PA 17111-2055
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----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 25, 2002 5:26 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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