[TechAssist] Re: Zenith SE2517P Chassis 9-707 No audio. Need schematic.
- From: GERALD GANN <alpha21century1234@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 3 Mar 2006 13:10:44 -0800 (PST)
Russ are you monitoring this if so can you till me where C3418 is. We did
what the tip said and the audio came back. We found CX3418 an 470uf @ 50V.
Changed that, no help. Why can?t we just leave those diodes disconnected? Audio
sounds OK. Thanks
Jerry
Alpha 21 Electronics
1840 State St.
Granite City, IL 62040
618-452-8620
alpha21century1234@xxxxxxxxxxxxx
Hoyt's TV <hoytstv@xxxxxxxxxxx> wrote: From Z-Tips
bad 18v supply rail at pin 2 of IC 101 & 201 on 9-599, scope it for ripple
lift biasing diodes at pin 2 of each IC, if audio comes back may have leaky
C3418 filter cap. on 9-520
Russ Hoyt
Hoyt's TV
Exeter, NH
----- Original Message -----
From: "GERALD GANN"
To:
Sent: Saturday, February 25, 2006 5:39 PM
Subject: [TechAssist] Zenith SE2517P Chassis 9-707 No audio. Need schematic.
> Zenith SE2517P Chassis 9-707 No audio. Need schematic.
> Would any one have this oldie in PDF by any chance? Caps checked good and
> we are getting all the voltages we think we are supposed to get on the
> Stereo DEC/Audio Amp 9-599.
>
>
> Jerry
> Alpha 21 Electronics
> 1840 State St.
> Granite City, IL 62040
> 618-452-8620
> alpha21century1234@xxxxxxxxxxxxx
>
>
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