[TechAssist] Re: Need VS-4544 schematic
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 23 Jan 2006 14:40:38 -0330
Thomas some tips for you..Eric
mit vs4544 immed. shutdown ic900 & pc900 be sure
to change
both together
VS4544 Immediate shutdown Replace open resistor R5A30, 3.6K
fuseable! WTV/CES
vs-4544 no power c914 3.3@100 and volt.reg.strm6811
vs4544 no pix no sound motorboating noise only c518(100/200v)
capacitor
VS4544 IMMEDIATE SHUTDOWN RESOLDER OUTPUT IC'S; REPLACE OPEN
6.3A.
24V. SUPPLY FUSES
Eric
E M Electronics
59 Wights Rd
Deer Lake NL
Canada
A8A 2J2
Ph# 709 635 2627
tvman@xxxxxxxxxxxxxxx
eric.manuel@xxxxxxxxx
Tri-County Tv wrote:
> Hello everybody,
> I am in desperate need for a schematic and any repair
> tips for this old Mitsubishi Big screen. It shuts down at turn on, and draws
> heavy current from H.O.T I suspect the flyback but it rings good so maybe a
> shorted internal high voltage diode. I have a feeling this will be very hard
> to find. I am ready to put a match to this dog! I think the chassis is VZ3
> Any help would be greatly appreciated.
> Thomas Berger
> Tri-County TV
> Robbinsville
> North Carolina 28771
> Ph--828-479-6043
> Fax-828-479-4868
> (tricountytv@xxxxxxxxxxxxx)
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