[TechAssist] Re: Orion-TVCR mod#tvcr1321,blue screen

  • From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 17 May 2002 09:28:40 -0300


Al,have no print,where is the injection point for SAW? also I lose the IF
sig in a maze of traces on this board.Tryed getting a schematic from Orion
but they say NLA.tks for your reply....Don.......
HARTS-TVCR''ASC''
9-Robert St.,Oromocto,NewBrunswick,CAN
Tel#506-357-9785Fax#506-357-6010
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 17, 2002 8:56 AM
Subject: [TechAssist] Re: Orion-TVCR mod#tvcr1321,blue screen


>
> Don did you try putting in an IF signal after the tuner, and after the Saw
> filter.
> al marquardt
> ampm@xxxxxxx
>
>
> ----- Original Message -----
> From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, May 17, 2002 6:31 AM
> Subject: [TechAssist] Orion-TVCR mod#tvcr1321,blue screen
>
>
> > This unit has blue screen when rf connected to cable i/p.VCR has good
> picture/sound on playback.A/V inputs ok.I subbed out the tuner,no
> help,&checked voltages;BT=30vdc,BP=5vdc,BM=9vdc,AGC line is sitting at
> 7.5vdc.Unit will sometimes show a very snowy,no sound picture,which cannot
> be changed by trying to channel up/down,#'s on screen will change.Unit
will
> auto-program.This uses a LA7583=IC6001 in the tuner cct,as per data sheet
> it's the VIF/SIF control ic,voltages to it are ok.Have checked my parts
> sources & they don't list it.Does anyone have one or know where I can get
> it.It ''MAY'' be my problem.All i/p's welcome on this little
> 13''..TIA..Don.......
> > HARTS-TVCR''ASC''
> > 9-Robert St.,Oromocto,NewBrunswick,CAN
> > Tel#506-357-9785Fax#506-357-6010
> >
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