[TechAssist] Re: Mitsubishi Projo Model VS-5043
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 10 Nov 2004 12:51:43 -0500
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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MITSUBISHI VS5043
Dead - Relay Clicks
Phil Hull
Found Ring Cracks On Q904 On Deflection Board.
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MITSUBISHI VS5043
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 VS5043
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 VS5043
Dead / Customer Complained Of Intermittent Operation Before
John Kincaid Sos Tv
Strm6811 Power Supply Chip $28
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MITSUBISHI VS5043
Dead Set
Electric Medic: Perry: 12/16/2002
Found 5 Amp Ac Fuse Blown, Replaced Blew Again, Then Found Regulator Shorted
(Strm6811)
Replaced Regulator And 5 Amp Fuse Again, All Is Well.
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MITSUBISHI VS5043
Dead Set. A/C Fuse Bad
Hugh/Main Tv
Found Bad Parts---Q5a00 2sd2349 H. Output, Ic900 Str-M6811 Pwr.
Regulator,
And Bad Flyback T5a03 (Cost About $90 From Mits.) #334p24606. Bad A/C
Fuse
F900 5 Amp.
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MITSUBISHI VS5043
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 VS5043
Power Supply / Plays Awhile And Shuts Off / Interrmittent
Phil Hull
Found A Defective Ic 900 Part # 267p129010 Str-M6811
Found Problem With Coolent Spray
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MITSUBISHI VS5043
Shut Down - Goes To Many Horiz Lines Bouncing Around & Hv Shuts Down
Stevestv@xxxxxxx
Found Severe Ring Cracks On Ic202, Ic203 And Ic401. All Located On Right
Front Corner Of Signal Board. Set Still Had Sound When Problem Occurred.
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MITSUBISHI VS5043
Shutdown (Intermittant)
Check For Leakey D5a21, Part # 264p045040, In The Beam Protection Circuit On
The Main Pcb
Check Pin 6 Off Ic5a01 For 22.2 Volts Dc If Low Check D5a09, Part #
264p244030 On The Main Pcb
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MITSUBISHI VS5043
Shutdown. Power LED Blinks
3 - Stk391-020
L8w01 And L8w02 (10uh)
R8w05 And R8w45 (10-2w)
Vert Ic401 (La7845)
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MITSUBISHI VS5043
Shuts Down 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 VS5043
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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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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MITSUBISHI VZ3
Dead , Rly Clicks Twice, No Hv
Slidewire Electronics
Resolder L913 Off Pin 4 Of T900 In Ps. Vz3 Chassis
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MITSUBISHI VZ3
Dead, Clicks On And Back Off, F902 Open
Marshfield Tv
F902 (4 A Fuse) Hard To See Or Get To, Located In Front Of Main Smps Xfrm,
Underneath Standup Board. Also Found Shorted Output, Q5a00, 2sd2349 And Had
Bad Flyback, 334p246060, Crc Had It For $90 (Nov `03), Phone 1-909-629-5641.
Per Other Tips, Be Sure To Check Regulator Str-M6811, Common To Fail When
Output Shorts, This Set Didn'T Need It.
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MITSUBISHI VZ3
Dead, Power Up. Relay Click Only.
Robinson Electronics
Replace (Open) 4a. Fuse - "130v. Line F902".
Replace (Shorted) H.Output Transistor Q5a02 - D2349 Mfr# 260p797020.
Replace (Bad) 3 Mh Choke Coil - L5a01 Mfr# 351p138010.
Vz3 Chassis.
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MITSUBISHI VZ3
No Raster Pulsing Sound From Speakers, Poss Ant Relay Clicks In Time To The
Pulsing
Bryn Mawr Tv
C816 And C5a28 (100uf/200v) C5a03 (4.7uf/200v)
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MITSUBISHI VZ3
Shutdown At Power On
Mela Tip
Open L902 P/N 335p070010 On Main Pcb (15 Volt Supply)
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MITSUBISHI VZ3
Shutdown At Power On, Slight Motorboating Heard
Cap'S Tv
Open C918 Capacitor (100uf/200v) In The 130v Supply. Located Near The
Flyback.
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Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxx
----- Original Message -----
From: "armando guerra" <birdie@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 09, 2004 2:44 AM
Subject: [TechAssist] Mitsubishi Projo Model VS-5043
> This set when powered on,relay clicks on,front led comes on for a few
> seconds,relay clicks off again. Last July I replaced the 2 convergence
> ic's and the vertical ic.Checked all connections on the power/high
> voltage bd.Esr'd all caps in the ps.All the fuses (glass and pico are
> ok.The hot is not shorted.I need some info on the supply voltage to the
> hot.There is none there.maybe an open resistor.Sure would apreciate any
> help.The yoke connections are ok.I resoldered them last yr.Thanks.
> Mando
> Birdie's TV & Electronics
> Casa GRande, AZ
>
>
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