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

check voltage on collector of red output, it's probably low unplug board and
see if it comes up. if it does suspect bad crt
al marquardt
ampm@xxxxxxx
----- Original Message -----
From: Ralph Dorsey <Merlin-Wizard@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, October 06, 2001 7:16 PM
Subject: [TechAssist] Re: magnavox tv 27z1 chassis red screen/w retrace
shutsdown


>
> it's probably a bad jungle chip,,(la7672?),,,make sure to check he tube
for
> arcing
>
> joe weaver wrote:
>
> > 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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