[TechAssist] Re: Zenith C3S chassis SJ2775BG SM question
- From: "David Downey" <davestv8584@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 04 Dec 2001 17:26:05 -0500
Hey guys has anyone heard of a REM crt checker I had one a few years back
andit would do wonders on Zenith tubes!!! David
>From: "Jeff Dougherty" >Reply-To: techassist@xxxxxxxxxxxxx >To: >Subject:
[TechAssist] Re: Zenith C3S chassis SJ2775BG SM question >Date: Mon, 3 Dec
2001 20:12:37 -0500 >>>A good investment in a CRT analyzer, used! >I got one
from E-Bay for $75.00. It saved a Zenith, I picked up and decided >to keep
for myself. >27" stereo set. >>Jeff >mailto:Jeff@xxxxxxxxxxxxxxxxxx
www.9-11-2001tragedy.com >FAX 1-413-280-0677 >Intrepid Video &Electronics
>Harrisburg, PA 17111 >717-909-8844 >www.intrepid-video.com
www.tech-repair.net www.thetoolcaddy.com >----- Original Message -----
>From:"Damon" >To: >Sent: Monday, December 03, 2001 7:49 AM >Subject:
[TechAssist] Re: Zenith C3S chassis SJ2775BG SM question >>>>>>I've recently
found that some of the crts using AKB circuits like yours >have >>been
responding rather well to boosting the heater voltage. I have yet to >>know
if the life of the crt is shortened somewhat or considerably....but >>when
the only other choice is replacement of the crt, getting a little >more
>>life from an old tube may be a reasonable choice for your customer.
>>DamonBrunger >>damon101@xxxxxxxxxxxxxx >>Telrad Electronic Services >>Ft
Wayne, IN 46815 >>----- Original Message ----- >>From: "Jon Garver" >>To:
>>Sent: Monday, December 03, 2001 12:20 AM >>Subject: [TechAssist] Re:
ZenithC3S chassis SJ2775BG SM question >>>>>>>>>>My own zenith has a weak
tube. Red is predominant. Since there aren't >>>any adjustments, I
experimented with changing the biasing of the red >>>drive. I don't remember
which resistor I replaced off hand but I >replaced >>>it with a variable one
and was able to back off the red enough that the >>picture >>>looks pretty
decent. >>>>>>Jon Garver >>>>>>>>>Ron Miller wrote: >>>>>>>Tried that ,gray
scale is on the green side mot much but I notice it. >>>>Ron Miller
>>>>D.T.V. Texas >>>>>>>>----- Original Message ----- >>>>From: "Ray Lufkin"
>>>>To: >>>>Sent: Friday, November 30, 2001 5:33 PM >>>>Subject:
[TechAssist]Re: Zenith C3S chassis SJ2775BG SM question >>>>>>>>>>>>>>I may
be off base here but can you adjust akb by turning the g2 pot >on >>the
>>>>>fly all the way off and bringing the g2 pot up very very slowly. Put
>>up >>>>>bars, brightness at 50% contrast at 75% color at 50% and bring up
g2 >>pot >>>>>till you just distinguish the 1st and 2nd box on bottom right.
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