[TechAssist] Re: Wards /Zenith 9-1407 TV Model MWM2553Y
- From: "Willie Hunter" <williehunter2@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 12 Mar 2004 21:29:11 -0500
Nothing is wrong with the G2 Voltage.what you have is a bad tube.Isolating
the heaters from
the circuit and put about 3 or 4 of wire around the flyback core will act as
a booster.
but the filament has to be totally disconnected from the rest of the
circuit.
Willie.
Hunter tv
>From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: Wards /Zenith 9-1407 TV Model MWM2553Y
>Date: Fri, 12 Mar 2004 21:12:45 -0500
>
>Hi Bob:
>
> Thanks for the Tip. I now believe the FBT is for the Most
>part OK. the Focus becomes sort of "tight" near the final 80-90% of the
>Rotation of the Control when turning it, but have seen this before on other
>Sets, so I think its ok. The Screen seems sort of Weak, as it too needs to
>be near 80-90% of Maximum for it to have a Decent level, but for the most
>part Acceptable.....unless this is a 'weak' flyback? Would not too the HV
>be
>lower than usual, and could that explain why I have NO white at all? I have
>no HV Proba (yet) , and I posted in another message my G2 I believe is
>394VDC....its the Grey Wire from the Flyback, not the Red Focus wire. I
>dont
>do too many Repairs on sets which require extensive Voltage measurements,
>so
>excuse me if my references are not correct. I think the Grey is the G2 but
>not sure.
>
>
>Regards,
>
>Steve Hearns
>Technotronic Dimensions, NY [USA]
>WWW.TECHNOTRONIC-DIMENSIONS.COM
>1-877-817-9885 (Voice / Fax Toll Free - US Only)
>
>
>----- Original Message -----
>From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Friday, March 12, 2004 1:41 PM
>Subject: [TechAssist] Re: Wards /Zenith 9-1407 TV Model MWM2553Y
>
>
>Steve,
> There are three pots on the CRT board R-B-G..That module was used
>on Zenith's L-M line along with the A63/A68 picture tubes that
>failed...Another point a bad tube or spark gap in CRT socket can cause the
>focus/screen controls to fail on the HOT..
>Bob,
>
>Bobs TV Worcester, ma
>
>woodman1@xxxxxxxx
>
>Main 508-853-1482
>Fax 508-853-1480
>----- Original Message -----
>From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Thursday, March 11, 2004 10:24 PM
>Subject: [TechAssist] Re: Wards /Zenith 9-1407 TV Model MWM2553Y
>
>
> > Willie:
> >
> > I didnt see an option for RED or any color for that matter in
>the
> > menu. I did notice that none of the color controls (IE :TINT) in the
>menu
> > change the color at all - but the sliders move when you actuate them.
>Same
> > for Brightness.
> >
> > I rehooked up the Tap from the FBT to the heaters ust to
>compare,
> > and I had a sort of loud hissing noise like HV escaping somewhere near
>the
> > neck. The Pix looked more out of Focus, so I reattached the normal
>heaters
>,
> > but now my Tap which was putting out like 4.5V, now is putting out less
>than
> > 1 VAC. Could the Flyback have weakened during my test ? I notice Now the
> > Focus Pot has to be near all the way CW to get decent Focus, and so does
>the
> > Screen Control in order to get a fair Brightness. Flyback is a 95-4372.
> >
> > Steve Hearns
> > Technotronic Dimensions, NY [USA]
> > WWW.TECHNOTRONIC-DIMENSIONS.COM
> > 1-877-817-9885 (Voice / Fax Toll Free - US Only)
> >
> >
> > ----- Original Message -----
> > From: "Willie Hunter" <williehunter2@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, March 11, 2004 9:45 PM
> > Subject: [TechAssist] Re: Fw: Wards Signature 2000 TV Model MWM2553Y
> >
> >
> > Go to setup and adjust the red.
> > Willie.
> > Hunter TV
> >
> >
> > >From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > >Reply-To: techassist@xxxxxxxxxxxxx
> > >To: <techassist@xxxxxxxxxxxxx>
> > >Subject: [TechAssist] Re: Fw: Wards Signature 2000 TV Model MWM2553Y
> > >Date: Thu, 11 Mar 2004 21:09:44 -0500
> > >
> > >Replaced Q5106, and tried wire around FBT core for heater. Retrace was
> > >gone,
> > >color improved, but still Streaky and unbalanced. Found R5110 open.
> > >Replaced, took off the heater boost , and put regular Heaters back on.
> > >Color
> > >much better, balanced, no streaks, but too much red....hardly any blue
>or
> > >Green. Replaced other 2 120K resistors for the other 2 Colors like
>R5110
> > >was
> > >for , still have too much red, and hardly any blue or green. Is this a
>Bad
> > >CRT ? Any way to determine it without a CRT checker / Rejuvinator?
> > >
> > >Steve Hearns
> > >Technotronic Dimensions, NY [USA]
> > >WWW.TECHNOTRONIC-DIMENSIONS.COM
> > >1-877-817-9885 (Voice / Fax Toll Free - US Only)
> > >
> > >
> > >
> > >
> > >----- Original Message -----
> > >From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > >To: "Tech_Assist.ORG" <techassist@xxxxxxxxxxxxx>
> > >Sent: Thursday, March 11, 2004 6:41 PM
> > >Subject: [TechAssist] Fw: Wards Signature 2000 TV Model MWM2553Y
> > >
> > >
> > >Just Found a Sticker on the Chassis: 9-1407 and Q5106 Reading 200 Ohms
>E-C
> > >Both ways.
> > >Going to replace it, and Winstips Says to Isolate the Heaters with 5
>Turns
> > >around the FBT core with with 20 Ga. Wire.
> > >
> > >I see this CRT is commonly bad.
> > >
> > >Steve Hearns
> > >Technotronic Dimensions, NY [USA]
> > >WWW.TECHNOTRONIC-DIMENSIONS.COM
> > >1-877-817-9885 (Voice / Fax Toll Free - US Only)
> > >
> > >
> > >----- Original Message -----
> > >From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > >To: <techassist@xxxxxxxxxxxxx>
> > >Sent: Thursday, March 11, 2004 6:08 PM
> > >Subject: Wards Signature 2000 TV Model MWM2553Y
> > >
> > >
> > >|
> > >| Not Sure what chassis this is the Same as? It has a Zenith CRT
>A63ADG31X
> > >,
> > >| with ZENITH Stamped in the rubber FBT Anode Cup. Safe to say its a
>Zenith
> > >| Chassis, but Which? CRT seems to be 25-27 Inches.
> > >|
> > >| Powers up ok, but Colors are Dim, overall Dim / unbalanced
>Colors....as
> > >if
> > >| the Gamma is missing. IC4121 is getting real hot, and its Clip on
>Heat
> > >Sink
> > >| is loose. Not sure if its related.
> > >|
> > >| Mfr'd Aug. 1994. Any help appreciated, Thanks.
> > >|
> > >| Steve Hearns
> > >| Technotronic Dimensions, NY [USA]
> > >| WWW.TECHNOTRONIC-DIMENSIONS.COM
> > >| 1-877-817-9885 (Voice / Fax Toll Free - US Only)
> > >|
> > >
> > >
> > >
> >
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