[TechAssist] Re: Mitsubishi VS4544 - Vertical Output info.
- From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 12 Aug 2003 10:32:42 -0500
Garry,
Why not just replace the $2.00 chip and the surrounding electrolytics and
be done with it.
here is the voltages from another model using the LA 7845
1- 0v gnd
2- 18.8v Vout
3- 39v Vcc
4- 3.8v +Vin
5- 3.6v -Vin
6- 39v Vcc
7- 1.4v VP
hope it helps
Tony Saracco
TCS ELECTRONICS
Elgin , IL 60120
847-695-1928
tcselectronics@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "Gary Pahls" <bec@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 12, 2003 9:53 AM
Subject: [TechAssist] Re: Mitsubishi VS4544 - Vertical Output info.
> Thanks for the tips but what I realy need is the pinout voltages for the
> Vertical output IC, I cannot take a scope with me and I have no liturature
> for this unit, I need to determine the status of the Output IC. This unit
> was intermittent and I have repaired the yoke connections and resoldered
the
> output circuit already.
>
> Thanks,
>
> Gary Pahls
> Beloit Entertainment Center
> Beloit, KS
>
>
> ----- Original Message -----
> From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, August 12, 2003 9:29 AM
> Subject: [TechAssist] Re: Mitsubishi VS4544 - Vertical Output info.
>
>
> > Dont forget to check for bad yoke connections on the yoke plugs- common
> > problem.
> >
> > Tony Saracco
> > TCS ELECTRONICS
> > Elgin , IL 60120
> > 847-695-1928
> > tcselectronics@xxxxxxxxxxxxxxxx
> > ----- Original Message -----
> > From: "Gary Pahls" <bec@xxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, August 11, 2003 7:32 PM
> > Subject: [TechAssist] Mitsubishi VS4544 - Vertical Output info.
> >
> >
> > > Can someone tell me the proper voltage readings for the vertical
output
> in
> > this unit. It is using a LA7845. The unit has no picture or menu's,
High
> > voltage is fine. The V-Ouput IC and associated circuit had several bad
> > solder connections and I suspect the IC got overstressed and blew. The
B+
> > line to pin 2 is fine. Since I have no prints on this unit and it is 16
> > miles away I would appreciate any and all help.
> > > Thanks,
> > > Gary Pahls
> > > Beloit Entertainment Center
> > > Beloit, KS
> > >
> > >
> > >
> >
>
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