[TechAssist] Re: ProScan PS 52650PTK169PHB
- From: "John H Smit" <jsm@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 30 Mar 2005 13:19:24 -0700
Hi Gary
Thank you for your suggestions,I found the focus/screen control to be the
culprit.
And with this I like to thank all who responded on this.
I did not have a clue what to check at the moment,but I got the hint,and it
helped me a lot.
Thanks to you all
John
John H Smit
Smit's TV Service
Box10
Gunnison Utah 84634
800-355-4948 Phone&Fax
435-528-7955 Phone&Fax
jsm@xxxxxxxxxx
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, March 30, 2005 10:34 AM
Subject: [TechAssist] Re: ProScan PS 52650PTK169PHB
> Have you turned up the blue and green screen controls? Also, what
> happens if you insert the blue or green anode lead into the red output
> of the HV splitter? What voltages do you get on the red CRT board
> compared to the green and blue CRT boards? Do you have any video signal
> getting to the blue and green boards?
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
> John H Smit wrote:
>> Hello to all
>> I have this ProScan PTV lightbox in my shop with the problem that only
>> the
>> red CRT lights up,the green and blue have the filament lit up but no
>> output.
>> My question to you all is,about the possibility that the Tripler could be
>> the cause of it.
>> I have only experienced that the Tripler fails to put out any high
>> voltage
>> but would it be possible that only one CRT gets the juice.
>> I hope that it is the problem because of the low price for a 205064
>> Tripler.
>> I would like your opinion on that question please'
>> I look forward to your answer.
>> Thank you in advance
>> John
>> With this I like to say thank you very much, to Jay Knoll for the S/M you
>> send me, on a Zenith TV,
>> A27A23W,for a no sound problem,and because of that I was able to solve
>> the
>> problem by driving a audio signal into the circuit and found IC 1400 to
>> be
>> defective which I have on order.
>> Thanks again Jay
>> John H Smit
>> Smit's TV Service
>> Box10
>> Gunnison Utah 84634
>> 800-355-4948 Phone&Fax
>> 435-528-7955 Phone&Fax
>> jsm@xxxxxxxxxx
>>
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