[TechAssist] Re: Zenith B32A34Z 9-2075 SHUTDOWN -FIXED
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 30 May 2003 09:25:51 -0400
Please finalise this post with: Final fix was: ICxxx part#xxx,
Rxxx,Cxxx,etc.,so we don't need to sift thru all the threads.
Thanks,
Phil Bader
Paul Medvetz wrote:
>
> Thank you all for your quick response , It was the new IC, NTE=
> brand
> that was bad, You can't trust anything just because its=
> new,Thanks
> Again.
> TV-Service-Company
> Paul Medvetz
>
> On Thu, 29 May 2003 14:14:05 -0400, Bob@Bobs tv wrote:
> >Paul,
> >Only problems I have seen on this model is the bad Vert chip,
> >resistors and
> >diodes and power supply.. But like all other Zeniths PS/ IC &=
> 100
> >/ 22 m
> >caps. You can try this, at turn on see if the filaments start=
> to
> >light or
> >turn up the screen and see if you have vert sweep.. Also=
> certain
> >models
> >Zeniths when they go into shutdown must be unplugged to reset
> >micro.. OOO
> >make sure your replacement chip is ok.. and did you check /=
> replace
> >caps in
> >Vert? Anything is possible but fly's normally don't go bad when=
> chip
> >burns..
> >example Samsung..
> >
> >Hope this helps..
> >Bob,
> >
> >Bobs TV Worcester, ma
> >
> >woodman1@xxxxxxxx
> >
> >Main 508-853-1482
> >Fax 508-853-1480
> >----- Original Message -----
> >From: <jose.aviles7@xxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Thursday, May 29, 2003 1:11 PM
> >Subject: [TechAssist] Re: Zenith B32A34Z 9-2075 SHUTDOWN
> >
> >
> >>Paul
> >>
> >>Check your standby voltages first. 169.7V at CX3407,130V at=
> CX3420,
> >>18V at
> >>CX3424 and 5V at ICX3402. If this voltages are correct then=
> check
> >>Q3402
> >>which is the power supply turn on transistor. If it check good=
> then
> >>ring
> >or
> >>replace your flyback. If you need any portion of the schematic=
> let
> >>me
> >know.
> >>
> >>Jose
> >>Aviles Computer & TV Repairs
> >>508 Bingaman St
> >>Reading, PA
> >>Fax # 1-610-375-3766
> >>----- Original Message -----
> >>From: "Paul Medvetz" <paulcho@xxxxxxxx>
> >>To: <techassist@xxxxxxxxxxxxx>
> >>Sent: Thursday, May 29, 2003 4:55 AM
> >>Subject: [TechAssist] Zenith B32A34Z 9-2075 SHUTDOWN
> >>
> >>
> >>>We have a Zenith Model B32A34Z uses a 9-2075. Vertical=
> output=3D
> >>>IC2100
> >>>burnt. As soon as you take the back off you can smell it ,=3D
> >>>Replaced
> >>>it now set goes into shut down instintly.You only hear audio=
> for=3D
> >>>a
> >>>split second, high voltage comes up also.Power supply are=
> 134V
> >>>at=3D
> >>>
> >>>D3410 17.23V at D3411 5V at ICX3402 The 26V from the FBT to=
> the=3D
> >>>vert
> >>>out put is their till shutdown I did not find any other=
> parts=3D
> >>>shorted
> >>>or burnt in vertical circuit.Any help wellcome.
> >>>
> >>>TV_Service-Company
> >>>RR 3 Box 3550
> >>>Hazleton,Pa.18202
> >>>570-455-8868
> >>>paulcho@xxxxxxxx
> >>>
> >>>
> >>>
> >>>
> >>
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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