Blue strip across tv screen on mitsubishi - Mitsubishi WS-55809 55" Rear Projection Television

6ya staff

• 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Cary Farah

• 4402 Answers

SOURCE: blue lines across screen sony tv

blown fues on the G board, that should fix my problem
and or might need to replace stk392 convergance amp ic's
· http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
· http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

SOURCE: no picture

Sound like you lost Vertical Deflection.  Youshould not have a line across the screen because this could destroy the threeCRT Red, Green, and Blue (Picture tubes) if left on to long. There is a protection circuit built in to protect your CRT’s.    Check on the PCB-SIGNALboard (Tuner located on this board) transistors Q-206 Collector should be around 1 Volt Base and Emitter 0V. If the voltage atthis point is greater then 5 Volts the Vertical output IC-401 (Mounted on heat sink 7 pin inline IC) is bad, Part # LA7845.  Pin Voltages should be PIN 1= 0V, 2= 34V, 3= 32V, 4= 3V, 5= 3V, 6= 33v, 7= -6V.  Data sheet located at http://pdf1.alldatasheet.com/datasheet-pdf/view/40357/SANYO/LA7845.html

Posted on Aug 16, 2008

ZaneD

• 41 Answers

SOURCE: 3 inch red area at top of screen and smaller blue area at bottom of screen

this would need a optical block. there would be no other way to solve this issue

Posted on Apr 19, 2009

Mark Wakefield

• 167 Answers

SOURCE: blue spots

This is a Light Engine problem. Call a good TV Tech and explain the problem. These can be rebuilt for around $450. New ones are $800 to $1200.

Posted on Jul 31, 2009