[TechAssist] Re: Mitsubishi CK3531R B+ to H.O.T. question.
- From: "Damon" <damon101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 15 Aug 2004 22:55:57 -0500
In most cases the Hot does short and the IHVT is ok. Yes the relays need to
energize for B+ and yes you can test it without the crt/yoke. I think (not
sure) there is a glass fuse located in the SMPS circuit.
I know it's a pain to pull the control panel out, but if you have a long
shaft #2 phillips (Sears, Auto Zone.....) it's not too hard to deal with,
just gotta have steady hands, good flashlight and magnetize the phillips
head.
Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Sunday, August 15, 2004 2:00 PM
Subject: [TechAssist] Mitsubishi CK3531R B+ to H.O.T. question.
| I pulled this chassis to check a few things on the bench, cause it's such
a
| monster of a set..
| I found the H.O.T. ( 2SD1879 ) shorted.
| Question is:
| Can I check the B+ to the H.O.T. on the bench, without hooking the chassis
| back up to the rest of the TV ?
| I didn't pull the control panel.
| Is the B+ supposed to be there as soon as the power cord is plugged in, or
| does the power relay need to be energized before B+ to the H.O.T. can be
| produced ?
| I am working without a schematic, and I need to know if there is a fuse,
or
| a resisitor in line from the power supply B+, to the H.O.T.
| Trying to save an extra trip, in case I may have missed something.
|
| TIA,
| LLW
|
| LeRoy Westlund
| Westlund TV & Electronics
| 97 North Main "Where there's a will,...
| Centerfield, UT 84622-0087 There's always a way."
| Ph./Fax 435-528-3822
| mailto:LLW@xxxxxxxxxx
|
|
|
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