[TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
- From: "CARL HURT" <churt-savannah@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 28 Apr 2005 09:07:41 -0400
I really dont know.That I haven't checked yet The caps connected to
collector are fine.
Carl
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, April 28, 2005 8:13 AM
Subject: [TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
> What does the waveform look like at the HOT collector?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Eric Manuel" <tvman@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, April 28, 2005 7:43 AM
> Subject: [TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
>
>
> > Hi Carl a tip here check it out Eric
> >
> > RCA ITC008FCS SHUTS DOWN IMMEDIATELY AFTER TURN ON REPLACE TL062
> >
> >
> > Eric
> > E M Electronics
> > Deer Lake Nfld
> > Canada
> > tvman@xxxxxxxxxxxxxxx
> >
> > CARL HURT wrote:
> >> I'm having problems with this chassis, It goes into shutdown in about a
> >> second.
> >> The shutdown leg of IC IV001 pin 36 EHT is 2.3 volts sams says it
should
> >> be
> >> 2.00 volts. it should take 3.6 volts to go into shutdown.
> >> I assume it's not in overvoltage shutdown.
> >>
> >> I removed MAV board. still shutsdown.
> >>
> >> I'm Removing tuner tomorrow.
> >>
> >> The IPO30 regulator has all the correct voltages except pin 1 which is
11
> >> volts. This is high because of shutdown , I think.
> >>
> >> All power supply voltages are correct.
> >>
> >> I changed the eprom.
> >>
> >> Drive signal at Hor Driver transformer looks normal.
> >>
> >> All diodes in secondary of flyback look good. No shorts
> >>
> >> Any help or suggestions welcome.
> >>
> >> Carl Hurt Electronics
> >> 3513 Budreau Av.
> >> Savannah, Ga, 31408
> >> 912-964-2275
> >> churt-savannah@xxxxxxxxxxxxxxxx
> >>
>
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