[TechAssist] Re: CTC167 chassis, small, dark, blurry picture.

  • From: Kevin <kevintv@xxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 01 Dec 2004 18:12:11 -0800

The B+ is only 108 volts turned on (loaded), and 156 volts off
(unloaded).  Filters in the P/S checked good.  I will have to check
C4502.

Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx 
 

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of John at Main TV
Sent: Wednesday, December 01, 2004 4:27 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: CTC167 chassis, small, dark, blurry picture.

Yes, hundreds of tips, in both winstips and fix-finder.  But not for
your
exact problem.  Numerous for bad PCC but I don't think that is what you
have.  Check fior +129 v on the cathode of the SCR at the back of the
chassis.  Another odd problem with this chassis is C4502.  It is
actually in
the vertical circuit near the front of the chassis.  It can cause dark
or no
raster.  But I would guess a B+ problem.  Power supply problems on a set
this old would most likely be filters if it not blowing the fuse.  If
the
HOT does not get too hot, then not likely the IHVT.  John.
John Mielke
Main TV
636 main St.
Longmont, Co
phone 303 776 6955
fax  303 776 0792
maintv2004@xxxxxxxxxxx

----- Original Message ----- 
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, December 01, 2004 3:42 PM
Subject: [TechAssist] CTC167 chassis, small, dark, blurry picture.


> It sounds like a B+ problem, but I am not familiar with the CTC67
> chassis.  I tried to go to the wa6ati.com site and I was not allowed
in
> for some reason.  Any tips on this chassis?  Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
>
>
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