[TechAssist] Re: Hitachi model 43FWX20B sync problem.FIX
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 20 Apr 2005 10:00:35 -0400
Now aren't they suppose to check to see if the board works?
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, April 20, 2005 9:57 AM
Subject: [TechAssist] Re: Hitachi model 43FWX20B sync problem.FIX
> IC910, 9 volt regulator on the power supply board was putting out
> between 6 and 7 volts when cold. This was a newly rebuilt PTS board so I
> didn't look there thinking it would be all ok. NOT! This supplies 9V to
> the rain forest IC.
>
>
> ********************************
> Since 1972 *
> Jim Myers *
> Telrad Electronics *
> Fort Wayne Indiana *
> ********************************
>
>
> Jim Myers wrote:
>> The sync on This set will not lock for about three to five minutes when
>> first turned on then it locks but still may loose sync on a weak signal.
>> Problem is same using external A/V input so it's not a tuner problem.
>> I have replaced the rain forest IC, no help, also since everything I
>> checked pointed to the CS00641A module I sent it to PTS for repair but
>> still have the same problem. Any and all suggestions will be welcome.
>>
>> Thanks,
>> PS, Yes, I tried circuit cooler, no help.
>> ********************************
>> Since 1972 *
>> Jim Myers *
>> Telrad Electronics *
>> Fort Wayne Indiana *
>> ********************************
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