[TechAssist] Re: Proscan CTC169
- From: "Hoyt's TV" <hoytstv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 30 Sep 2004 12:08:31 -0400
No voltages on the secondary side. The power button is all chewed up as
though it may have been slow to turn on for a while before it quit
completely. They had pushed so hard on it, the board was actually pushed
back out of the clips on the power button side.
Is that 13-15v supply like a bootstrap thing?
Does it have to produce something there right away, to keep the primary
oscillating?
There is no oscillation at all in the primary.
Russ Hoyt
Hoyt's TV
Exeter, NH
----- Original Message -----
From: "peggs" <peggs@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 30, 2004 12:59 PM
Subject: [TechAssist] Re: Proscan CTC169
> any voltages on the Secondary side ?
>
> you could just throw in
> CR4118, ECG580,Secondary(13-15v supply may be low)
> and
> 3 caps around U4101 in Primary
>
> Peggs
>
> At 07:37 AM 9/30/04, Hoyt's TV wrote:
> >Direct view CTC169
> >
> >Power supply is not firing up. I cannot find any shorts or heavy loads on
> >the output side.
> >I've tried watching it on a scope and bringing the AC up slowly, not even
a
> >twitch.
> >Has raw B+.
> >I haven't had many CTC169s, does anyone know of any common failures in
this
> >supply?
> >
> >Looks like a thousand or more tips in the tip section, will take me a
month
> >just to sort through them.
> >
> >Thanks
> >
> >Russ Hoyt
> >Hoyt's TV
> >Exeter, NH
> >
> >
> >
> >
>
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