[TechAssist] Re: (2nd try,...different approach)...Mitsubishi CS-40503 need part number, or value for D-442

From: "Tel-Tek" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Date: Sat, 20 Mar 2004 00:09:49 -0500
LeRoy;
CS-35503 uses YA-O Chassis. Also uses LA7833.
I have the Manual here, will send you the vertical section, as soon as I
figure out the new Scanner.
Want's to break the scan into 2 sections. Mits used their large schematics
for these sets, so when  figure out how to scan it, I will send it along.
Possibly first thing in the morning.

-Ed-


Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message ----- 
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, March 19, 2004 11:34 PM
Subject: [TechAssist] Re: (2nd try,...different approach)...Mitsubishi
CS-40503 need part number, or value for D-442


> Ed,
> I could use a scan of the Vertical output IC circuit, but it needs to have
> an LA7833 for IC401. Most of them are using an LA7838,....but this one is
> different.
> This is strictly a vertical deflection problem, so I have decided that
IC501
> most likely has nothing to do with my problem, and the 3 volt zener (D442)
> is OK. It tests the same amount of leakage as a new one, but, I replaced
it
> anyway. Don't want to put the chassis back in til I check a few more
parts.
> (This set has a YA-0 chassis, according to Tritronics web site.)
> If you can FAX me a scan of the Vertical output area, that should be
> sufficient to find the problem.
> Also, I need to turn my FAX program on, when you are ready to send it.
> Just use my phone/fax number listed in my signiture file. I will turn it
on
> Saturday morning at 9:00 A.M mountain time (USA). I'm not sure of the time
> difference between you and me, but I will leave it on for 2 hours from
9-11
> A.M (My time zone).
>
> Thanks,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main                                "Where there's a will,...
> Centerfield, UT 84622-0087           There's always a way."
> Ph./Fax  435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: Ed Gaidies <teltek3@xxxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Friday, March 19, 2004 12:49 PM
> Subject: [TechAssist] Re: (2nd try,...different approach)...Mitsubishi
> CS-40503 need part number, or value for D-442
>
>
> >By the way...if that doesn't fix it for you I can scan that part of the
> >circuit for you. It's a different Model, but same configuration for
> Side-PCC
> >IC. (IC501)
> >
> >-Ed-
> >Ed Gaidies
> >Tel-Tek Electronics
> >Ontario-Canada
> >
> >teltek3@xxxxxxxxxxxx
> >----- Original Message -----
> >From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Friday, March 19, 2004 12:56 PM
> >Subject: [TechAssist] (2nd try,...different approach)...Mitsubishi
CS-40503
> >need part number, or value for D-442
> >
> >
> >> Hi,
> >> Since nobody seems to have a Service manual on this model, perhaps I
can
> >go
> >> a different route to find the correct value of this zener. I'm 99% sure
> it
> >> will fix my problem, but, I don't want to put the wrong value in the
ckt.
> >> If someone has a similar service manual for a Mitsubishi big screen TV,
> >that
> >> uses a TA8739P for a deflection bus IC (in my case it's designated as
> >> IC501),......please check off pin # 13, and see if there is a zener to
> >> ground.  That should be the same zener which I desperatly need the
value
> >of.
> >>
> >> I spent some time on a Google search for a data sheet on this IC, but,
> had
> >> no luck getting into a Jap site, without signing up for a password. I
> >don't
> >> care about joining that site.
> >>
> >> TIA
> >> LLW
> >>
> >> LeRoy Westlund
> >> Westlund TV & Electronics
> >> 97 North Main                                 "At least I'll go down
> >> Centerfield, UT 84622-0087      swingin,......what a swingin
> >> Ph./Fax  435-528-3822                          way to go."
> >> mailto:LLW@xxxxxxxxxx
> >>
> >> -----Original Message-----
> >> From: LeRoy Westlund <llw@xxxxxxxxxx>
> >> To: TechAssist <techassist@xxxxxxxxxxxxx>
> >> Date: Thursday, March 18, 2004 11:35 AM
> >> Subject: [TechAssist] Mitsubishi CS-40503 need part number, or value
for
> >> D-442
> >>
> >>
> >> >Hi members,
> >> >I need a part number, or the value of D-442 (it tests leaky).
> >> >It is a zener diode. The only numbers on the part are: 3-0B1.
> >> >Also a scan of the vertical output ckt. would be helpful, or if
someone
> >> >could loan the Service manual to me, might even be better.
> >> >
> >> >TIA,
> >> >LLW
> >> >
> >> >LeRoy Westlund
> >> >Westlund TV & Electronics
> >> >97 North Main                                 "At least I'll go down
> >> >Centerfield, UT 84622-0087      swingin,......what a swingin
> >> >Ph./Fax  435-528-3822                          way to go."
> >> >mailto:LLW@xxxxxxxxxx
> >> >
> >> >
> >> >
> >>
>
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References:
- [TechAssist] Re: (2nd try,...different approach)...Mitsubishi CS-40503 need part number, or value for D-442
  - From: LeRoy Westlund
[TechAssist] Re: (2nd try,...different approach)...Mitsubishi CS-40503 need part number, or value for D-442

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