[TechAssist] Re: GE 46in. Proj. Model 46GW945 Chassis PTK195AA. Snowy channels below 51. All channel 51 - up (good).
- From: "Larry E" <videotech@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 11 Jul 2005 10:38:28 -0400
Dave, band switching is done with U17504, pin 14 should read very low (less
than a volt) on channel
51, change to channel 50 and voltage should jump to 11.5 volts, If no change
check Q17504, R17513 and
R17309, check solder in this area carefully, hope this helps, Larry E
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
----- Original Message -----
From: "Robinson Electronics" <RobinsonElectronics@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, July 10, 2005 4:16 PM
Subject: [TechAssist] GE 46in. Proj. Model 46GW945 Chassis PTK195AA. Snowy
channels below 51. All channel 51 - up (good).
> Can anyone provide a little info on this tuner problem, all the channels
50
> and below are real snowy, but 51 and up are great?
> Also when I do a channel search, it does not lock any channels in memory,
> but I can manually key in ok?
>
> I remember having to replace a vhf/uhf osc ic (I think was a cxa1594l) in
> the ctc185,87 chassis for a similiar problem. This set doesn't use that
ic?
> Does anyone have any notes on this, or ran into this problem on the
PTK195?
> Thanks for any help on this. Thanks. David.
>
> Robinson Electronics
> 1075 Sweeten Creek Road
> Asheville, NC 28803
> Ph./Fax. 828 274-3787
> Toll Free. 1-888 ROBELECT
> www.robinsonelectronics.com
> www.robelect.com
> Mailto: RobinsonElectronics@xxxxxxxxxxx
>
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