[TechAssist] Re: Mitsusbishi M# VS4543

  • From: "Shoreline Electronics" <jstielau@xxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 17 Dec 2003 15:07:41 -0500

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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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MITSUBISHI   VS4543

Dead - Relay Clicks Twice

Dan Mundy, Cet/Csm

Check Z900 On Power Board For Open.  If Open Check Vert Ic 401 La7845
270p064030.

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MITSUBISHI   VS4543

Dead - Relay Clicks Twice

Orlan Stone, Cet

Replace Ic900 (Str-M6811), Ic901 (Se130n) And Pc900 (On3161r). Note:  Lite
Box Pulls For Shop Service.  See Vz3

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MITSUBISHI   VS4543

Dead, Seems To Go Into Shutdown.

Robinson Electronics

Check Or Resolder All Connections On The Yoke Plug "Not The Chassis" Seems
To Be Loose Connections On Yoke - Common Problem.

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MITSUBISHI   VS4543

Power Supply    Intermittent Shutdown

From Mitsubishi

Replace L5a00,If Coil Is Wrapped In Black Tape,With Pt#351p138020, (The New
Coil Should Be Wrapped With Yellow Tape).This Is Located On   The Main-Pcb.

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MITSUBISHI   VS4543

Shuts Off At Turn On

Technos

Take Fuse Out Of 130v Line And Read Voltage, If Not 130v Replace Strm6811

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MITSUBISHI   VS4543

Shuts Off At Turn On

Technos

No Vertical From Ic401 Because There Was No 5v From Ic202 Just Above Ic401,


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MITSUBISHI   VS4543

Shuts Off,May Not Turn On,Very Int.

Technos

Bad Connection On Vertical Yoke On The Vertical Connector Signal At Pin 2 Of
Ic401 Looks Like A Square Wave, Was On The Green Gun

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MITSUBISHI   VS4543

Shutsdown At Turn On

Mitsubishi

1. Short Detect Shut Down (Pin 15 Of Ic700) Check For Open L902 Part #
351p070010 Off Q904 C (15 V Supply) On The Main Pcb.

2. Short Detect Shutdown (Pin 15 Of Ic700) Check For Shorted D913 Part #
264p722010 And Open Z901 Part # 283p039020 (Z905 And Z900 May Also Be Open
Because Of This).

3. X-Ray Shutdown (Pin 55 Of Ic700) Check For A Leaky D5a09 Part #
264p244030 Off Pin 6 Of Ic5a01.

4. X-Ray Shutdown (Pin 55 Of Ic700) Check For Leaky D5a21, Part #
264p045040, In The Beam Protection Circuit On The Main Pcb.

5. Check For Leaky Q5a03 And/Or Q5a04 Both Part # 260p559050, In The High
Voltage Detect Circuit, On The Main Pcb.

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MITSUBISHI   VS4543

Shutsdown At Turn On (No Hi Voltage)

Bryn Mawr Tv

Found Good Horiz Drive Until Shutdown
T5a03 Defective  334p246010  Subs To 334p246060
Fly Rings Good Problem Is With Intergrated Splitter

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=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
=================================
----- Original Message ----- 
From: "Percy E. Braswell Jr" <pebjr7405@xxxxxxxxx>
To: "tech" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, December 17, 2003 1:15 PM
Subject: [TechAssist] Mitsusbishi M# VS4543


> Hello Techs, I have a Mits VS4553 that goes immediately in shutdown when
power button is pressed. You hear the HV come up then unit shutsdown. I'm
not familar with this chassis and dont have a service manual.  Any help
would be appreciated.
>
> Elbert Braswell, CET
> Economy TV
> Havelock, NC
>
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