[TechAssist] Re: 27R411T RCA TV Chasssis ITC008FHM
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 28 Apr 2005 09:13:18 -0230
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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