[TechAssist] Re: Mitsubishi mod# CS-2720R Need power supply schematic
- From: Javiles6@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 14 Mar 2004 04:37:05 EST
In a message dated 3/13/2004 8:20:17 AM Pacific Standard Time,
badandy2@xxxxxxxxxxxxx writes:
Andrew
Can you be kind enough to send it, i really need it.
Jose
I have the print on this set if you still need it let me know
Andrew rose
action TV
----- Original Message -----
From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, March 12, 2004 1:27 PM
Subject: [TechAssist] Re: Mitsubishi mod# CS-2720R Need power supply
schematic
> Jose,
> Does the relay have voltage when its in the set? Did you try
jumping
> the AC side with a light bulb? What I usually do with no print is follow
> trace back from coil side, it normally goes the the collector of the relay
> drive. Check the base of that transistor and see if it toggles on/off when
> you hit the power button. If it does not you could even have a bad/missing
> +5V supply... Don't forget the glue that eats the foil bottom side and top
> side going across the jumper wires..
> Hope this helps
> Bob,
>
> Bobs TV Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main 508-853-1482
> Fax 508-853-1480
> ----- Original Message -----
> From: <Javiles6@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, March 11, 2004 4:08 PM
> Subject: [TechAssist] Mitsubishi mod# CS-2720R Need power supply schematic
>
>
> > Hello techs
> > I have done everything that i can to try and get this set to turn on but
> no
> > luck. I have remove the relay and apply 12V to it and it kicks. I have
> also
> > check the degaussing coil out of circuit and is good, so is the turn on
> switch.
> > My question is this, does this set have a transistor that activates the
> relay
> > or does it have a turn on transistor? I have check the diode that is
> across the
> > relay and it checks good. I have also check R591 and is right on the
> > money(27K). Any inputs are always appreciated.
> >
> > Thanks
> >
> > Jose
> >
> >
> > Aviles Computer & TV Repairs
> > 508 Bingaman St
> > Reading, PA 19602
> > Tel # 610-478-1342
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