[TechAssist] Re: Zenith SE2517P 9-707 main
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 21 Aug 2003 16:38:29 -0400
Al,
Just noticed ABL goes into pin #35 of IC2376 chroma/vert/horiz
processor.. another note.. CX means safety related component.. so probably
in or around HVT..
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 21, 2003 4:00 PM
Subject: [TechAssist] Re: Zenith SE2517P 9-707 main
> Got a good tip from Bob below but I can't find the caps. I guess they are
> surface mount. Can't anyone direct me to these caps?
> al marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, August 21, 2003 10:52 AM
> Subject: [TechAssist] Re: Zenith SE2517P 9-707 main
>
>
> > Al,
> > Ztip listing.. if you need more let me know
> >
> > LOW CONTRAST IN IMAGE; PIC ADJUSTMENT HAS LITTLE EFFECT
> > DEFECTIVE CAPS CX3219 AND CX3201
> > MAIN MODULE, PART OF ABL CIRCUIT OFF FLYBACK
> > IC2376 PIN 35 FOR AT LEAST 5V
> > LOW ABL VOLTAGE CAUSES LOW CONTRAST. THESE PARTS ARE NOT NOTED IN
REGULAR
> > SCHEMATIC. USE SCHEMATICS FOR 9-707 AND 9-708 MODULES.
> > Bob,
> >
> > Bobs TV Worcester, ma
> >
> > woodman1@xxxxxxxx
> >
> > Main 508-853-1482
> > Fax 508-853-1480
> > ----- Original Message -----
> > From: "al m" <ampm@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, August 21, 2003 10:34 AM
> > Subject: [TechAssist] Zenith SE2517P 9-707 main
> >
> >
> > > I can't find anything on this set. The set has no contrast. When you
> turn
> > the knob it varies a little but the picture is soft. Checked the tube
and
> it
> > checks like brand new.( funny for a 15yr old zenith). Need schematic of
> > contrast circuit. or print of the whole TV.
> > > al marquardt
> > > ampm@xxxxxxx
> > > Al Marquardt Electronic Repair
> > > 206 W Main
> > > Girardville Pa. 17935
> > >
> >
>
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