[TechAssist] Re: RCA CTC187CK G31642CK part ID & CE short
- From: "Ron Miller" <rlmbkm@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 22 Nov 2002 17:11:39 -0600
Have you tested CR4106 off pin 3 of the flyback?That is the 140 volt source
rectifier.HTH
Country TV
Ron Miller
484 FM444 S.
Inez,TX 77968-5002
V.(361)782-6419. F.(361)782-9149
e-mail: rlmbkm@xxxxxxxx
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 22, 2002 4:54 PM
Subject: [TechAssist] Re: RCA CTC187CK G31642CK part ID & CE short
>
> Bob, thanks for the info, went and pulled the caps and then the diodes,
> still had short, pulled fly out of the board and short is gone,
> couldn`t isolate pin 2 from the grommett. I have continuity on the pins
> as follows, 1,2,3 578, 6&10, 4 has no connection to any other pin, 9
> has no connection to any other pin. Is this correct continuity for fly?
> Thanks for all your help, Larry
>
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
> Gemini Computer & TV wrote:
>
> > Larry,
> > RCA Parts Finder shows that to be part# 195918 for C4401. The schematic
> > shows collector of Q4401 going into pin 2 of FBT. If that pin is
lifted,
> > then the only paths to ground I see are C4406, C4402 and C4407
(together),
> > and CR4402 and CR4403 (together also). If that doesn't help, give us a
fax
> > number and I will copy that section of the schematic and fax it to you.
> >
> > Bob Waterman, CET® #RI-28
> > Master Technician License #9109
> > Service Manager
> > Gemini Computer, TV, & Security Alarms
> > (508)695-7302
> > (508)695-7769 FAX
> > geminitv@xxxxxxxxxxxxxxxx
> > geminitv@xxxxxxx
> >
> > ----- Original Message -----
> > From: "Larry E." <videotech@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, November 22, 2002 4:34 PM
> > Subject: [TechAssist] RCA CTC187CK G31642CK part ID & CE short
> >
> >
> >
> >>Hi guys, working on a RCA CTC187CK and I have a dead short C-E on the
> >>HOT traces (transistor removed from board) the transistor is good, In
> >>trying to remove all the common parts I broke surface mount cap C4401
> >>and I need the oem part #, I`m working without a print, have the 188
> >>but it`s not even close, I also removed C4406 and I still read short
> >>C-E. It appears it`s through the flyback??? Don`t read short on C4402`s
> >>side away from the HOT, could someone give me any other parts to pull
> >>that would cause these traces to read short, tia, Larry E
> >>--
> >>Larry Eastman
> >>American TV & Electronics
> >>Crystal River, Fl.
> >>http://www.tvjunkyard.com
> >>
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>
> --
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl.
> http://www.tvjunkyard.com
>
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