[TechAssist] Re: RCA CTC169PE
- From: "BUSBIN ELECTRONIC" <busbin@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 22 Aug 2003 11:21:22 -0400
Replying to three responses at once.
I get the tubes to light by turning the screens to max.
I used rca 205064 part.
The schematic shows the scan loss circuit not in this set but I will check
for this. Thanks to all. Don
Busbin Electronics
113 South Main Street
Fitzgerald, Ga. 31750
229-423-5665 ph/fax
busbin@xxxxxxxxxxxxx
----- Original Message -----
From: "Jorge Camboni" <geo@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 21, 2003 5:07 PM
Subject: [TechAssist] Re: RCA CTC169PE
> What do you mean by "faint screens" ??? what happens when
> you increase the screen voltage? Just in case, check the
> wire from the HV splitter to the focus block, every once
> in a while you believe it is properlly inserted but it is not.
> Those focus blocks go bad sometimes, I have changed
> a few of them, but they were obviously cracked (they
> die by overheating)
> HTH
> Jorge
>
>
> At 04:47 p.m. 21/08/03 -0400, you wrote:
> >Set came in dead . Repaired power supply and replaced HV splitter.
> >Now have audio and faint screens on all tubes but no video.
> >Is this a symptom of a bad focus block or something else?
> >Video is present to crt pcb's. Screen voltage is present in the 200 volt
> >range but i s loaded down by either scope or DVM measuement. Thanks,
Don
> >Busbin Electronics
> >113 South Main Street
> >Fitzgerald, Ga. 31750
> >229-423-5665 ph/fax
> >busbin@xxxxxxxxxxxxx
>
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>
> Jorge Camboni, GY Electronics, Richardson, TX
>
>
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