[TechAssist] Re: magnavox tv 27z1 chassis red screen/w retrace shutsdown

  • From: "Damon" <damon101@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 3 Oct 2001 07:37:15 -0500

What's the cathode voltage on the crt powered up and crt board connected?
How about the same with the crt disconnected?
----- Original Message -----
From: "joe weaver" <weavel@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 02, 2001 5:06 PM
Subject: [TechAssist] magnavox tv 27z1 chassis red screen/w retrace
shutsdown


>
> hello everyone,
> this is a magnavox tv..model no#RS2749c401 chassis 27z1
> set comes on with red screen /w retrace lines then 10 seconds shutsdown..
i
> have checked  q650,q651,q652  red,green,blue drivers and q660 luma
> buffer..all check good..
> on crt board i have checked r1 through r16  q1,q2.q3 show 13.5 volts on
> emitters which is normal.. c1 thru c4 is good..
> i resoldered j1/j2/j3 and crt socket complete.. has anyone any
> tips on this tv?? any help would be appreciated..
> thank you...joe
>
> william j.weaver KG8CJ
> weavers electronics
> 268 w.water st.
> oak harbor,ohio 43449
> 1-419-898-4129  phone
> 1-419-898-5054   fax
> weavel@xxxxxxxx
> www.cros.net/weavel
> "God Bless America"
>
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