[TechAssist] Re: Mitsubishi CS-3725C, chassis WA-C-C25R, need service manual, or B+value.

  • From: "Ed Gaidies" <teltek3@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 12 Jun 2005 20:06:17 -0400

Don't know.
Do a search on Winstips...type in Mits and add C916...see how many hits
you get.

Had a 37"...before the customer got it into the shop...blew out the
Filaments on the CRT.

Very innocent looking...but it is a 10ufd/100volts.

Unless you have a lot of H/O transistors...don't change, and speculate.

As a rule...with that regulator...if it's there...I change it...even
though it may be in for an "audio problem".

-Ed-

Tel-Tek Electronics
Ontario-Canada
 
teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of
majorthom@xxxxxxxxxxxxx
Sent: Sunday, June 12, 2005 7:37 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Mitsubishi CS-3725C, chassis WA-C-C25R, need
service manual, or B+value.

Why isnt that on Mitsu site?
Pete
Kevin's TV Repair <kevintv@xxxxxxx> wrote:
Yes, C916 tested good. Sorry I didn't mention that obvious solution.

Kevin Wilks
Kevin's TV Repair
Penticton BC Canada 
kevintv@xxxxxxx


-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Ed Gaidies
Sent: Sunday, June 12, 2005 4:19 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Mitsubishi CS-3725C, chassis WA-C-C25R, need
service manual, or B+value.

Try C916...Regulator Circuit.

-Ed-

Tel-Tek Electronics
Ontario-Canada

teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin's TV Repair
Sent: Sunday, June 12, 2005 6:12 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Mitsubishi CS-3725C, chassis WA-C-C25R, need
service manual, or B+value.

This 35" set comes on with HV for a split second and then goes off. I
brought just the chassis back to my shop and replaced C940 which had
high ESR. I then powered up the chassis with the HOT removed and my B+
went up to about 145 volts before it went into shutdown again. I am
thinking the B+ is going too high, causing the shutdown. I am
suspicious of the regulator IC901 STRS5141G, but I need to know what the
proper B+ is for this set. Thanks. 

Kevin Wilks
Kevin's TV Repair
Penticton BC Canada 
kevintv@xxxxxxx



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Peter Neal
Neal Electronics
1905 E. Wm.Cannon
Austin,TX  78756
 
 
 







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