[TechAssist] Re: Mitsubishi VS-6017R Pincushion / Convergence problem
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 16 Jan 2004 14:16:50 -0500
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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MITSUBISHI VS6017R
Convergence Pcc Distortion
From Mitsubishi
Top/Bottom Pcc Distortion. Check For Open Vr4a02 And Open Capacitor C4a04
(2200 Pf/ 50v). Located On Pcb Main At Ic4a00 Pin 7. Vr4a02 Pt #
127c090080
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MITSUBISHI VS6017R
High Voltage R532/R533 Value
From Mitsubishi
The Value Of These Two Resistors Are Different Than Shown In The Schematic.
R532 (3.9k 3w) Is 390 Ohm 3w And R533 (470 Ohm 1w) Is 820 Ohm 1w.
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MITSUBISHI VS6017R
Hv Shutdown 1/2 Second After Turn On
V12 Chassis 1991 High Tech
C914 22u 50v In Smps
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MITSUBISHI VS6017R
No Power Or Immediate Shut Down After Up
Mark Brock Brock Electronics
R540 Off Pin 5 Of Fbt 1.2 Ohm 1/2 Watt
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MITSUBISHI VS6017R
Power Supply Int. Power On
From Mitsubishi
Int. Power On,Works Fine Once On.Check For An Increase Of Value Of C914
(22uf 50v),Located On The Power-Sound-Pcb.
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MITSUBISHI VS6017R
Power up inop. high pitched squeal
Norman Joseph
C931 220/100v shorted on secondary of smps
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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@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Nova Service Center" <techassist@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 16, 2004 1:44 PM
Subject: [TechAssist] Mitsubishi VS-6017R Pincushion / Convergence problem
> Hi Everyone
> This tv ( Mitsubishi VS-6017R ) was a house call. Tv was dead and I did
find some loose connections on the main board. I fixed them and tv came back
on, but it had pincushion problem ( from top & bottom curved towards the
center. Also convergence was off too. I took the convergence board and there
was a few loose connections which I fixed and improved the convergence
problem.I told the customer that I be back to fix the pincushion. The
customer called next day and said tv is dead again. I need help on this tv
before going back.
> Mehdi
> Nova Service Center
> PoBox 2515
> Gaithersburg, MD 20886
> 240-632-2994
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