[TechAssist] Re: Zenith B32A34Z 9-2075 SHUTDOWN
- From: <jose.aviles7@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 29 May 2003 10:11:28 -0700
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=
> IC2100
> burnt. As soon as you take the back off you can smell it ,=
> Replaced
> it now set goes into shut down instintly.You only hear audio for=
> a
> split second, high voltage comes up also.Power supply are 134V at=
>
> D3410 17.23V at D3411 5V at ICX3402 The 26V from the FBT to the=
> vert
> out put is their till shutdown I did not find any other parts=
> 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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