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Main => Monitor/Video Forum => Topic started by: davidb72 on February 04, 2009, 11:25:49 pm

Title: wells 25 k7000 is flatlined..really no vert
Post by: davidb72 on February 04, 2009, 11:25:49 pm

i have a k7000 that has a horizontal line across the center of the screen.  this board was dead and i replaced the following so far....IC3..IC4..Q11..IC2 --WAS USED...and replaced all the caps -bought from happ-  this does have the remote board that is good- borrowed from my other working monitor. i am at a stopping point as dont know where to go from here.. i do have 24volts at pin 6 on ic3... b+ volt good...any help would be appreciated :angry:

Title: Re: wells 25 k7000 is flatlined..really no vert
Post by: Ken Layton on February 04, 2009, 11:54:04 pm

C51 is not included in capkits and may be bad. It's a .68 uf @ 35 volt dipped tantalum type. Check to be sure your vert size and vert hold pots are good.

Title: Re: wells 25 k7000 is flatlined..really no vert
Post by: Kevin Mullins on February 05, 2009, 12:13:15 am

Any cold solder joints or bad traces noticable?
Solder joints around the yoke connector and such.....

Title: Re: wells 25 k7000 is flatlined..really no vert
Post by: davidb72 on February 06, 2009, 09:47:01 pm

ken thx for reply..changed c51 still inop i checked voltage to it is not getting any. the ic2 i replaced is off of another working board. where else would i look for the this voltage problem. i have another k7000 that im checking volts with and it does work . please  help.   david