[TechAssist] Re: Hitachi CT7881 G9LXU Dead
- From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 23 Aug 2003 16:51:30 -0500
Peter, I was Hitachi warranty in Nevada when those sets came out and the
micro was the most common fix. Poor grounding and very static sensistive.
I've read that they're still available, but spendy. The last one I changed 4
or 5 years ago, was 54.00. Micro aside, it's still a very well designed unit
and probably still looks great if you get it going.
Terry H.
The TV Shop
Gonzales, Tx
----- Original Message -----
From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, August 23, 2003 4:34 PM
Subject: [TechAssist] Hitachi CT7881 G9LXU Dead
> Hitachi
> CT7881
> Chassis G9LXU
> MFD 1990 27" TV
>
>
> Set is dead. Have about come to the conclsuion it is
> the micro IC0101. Have the 5v to the front pannel. Will not turn on.
Clock
> pulse on pin 26 is ?? rather attenulated there is 5v on that pin and the
> front switch sends 4.8v to it thru a diode but is not doing anything at
the
> turn on pin of the Micro. If I jumper the main relay I get high voltage
and
> normal deflection blank raster since the front end is not working...
> Customer claims it just stoped working but this is also summer
thunderstorm
> season in southern Arizona so I can't be 100%. Any ideas other than the
> Micro?. have the manual from the Hitachi web site but is very hard to
read-
> looks like a 1 bit conversion from microfice.
>
>
> Peter Oliver
> Tucson Radio TV
>
> _________________________________________________________________
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