Vintage Asylum

RE: start simple -- dirty controls?

54.193.19.186

The Dill

In Reply to: RE: start simple -- dirty controls? posted by mhardy6647 on September 04, 2024 at 18:09:11

"The case screws are on too tightly for me to remove."
Might be tough for him to do if he can't get inside.
It certainly won't hurt to do it dry.
I think he should take it to a tech and get it checked out.

Follow Ups:

missed that -- but a JIS screwdriver (or bit) should ease the process! - mhardy6647 19:16:31 09/04/24 (2)
Unless the heads are stripped out already :(
Using the correct bit/blade for JIS cross-shaped (which resemble but are not Phillips) screw heads generally makes all the difference.
I have a nice set of Vessel drivers I picked up a couple of years ago on Amazon that serve very well for Japanese receiver hardware.
Also, FWIW (and I do not pretend to speak with expertise, only experience) I usually do much less damage with an impact driver than a hand driver. Yeah, I know -- zut alors , right?
That said: with a JIS hand driver, careful pressure "down" on the screw (I like to use the palm of my hand on the "top" of the handle), care and patience -- they should come out. The old trick of tapping the screwdriver with a small hammer (ballpeen, e.g.) is a good one for stuck fasteners. A gentle(!!!) dunking with WD-40 or PBlaster might be needed if there's rust. :(
My recollection of those big Kenwoods is that they do not age well. I would be concerned that taking one to a "tech" could result in a money pit. Doesn't the KR-9060/KR-9600 use a so-called thick film output power module (i.e., STK module, or similar)? :(

all the best,
mrh
- https://chapmanmfg.com/blogs/news/phillips-bits-vs-jis-bits- (Open in New Window)
Edits: 09/04/24 09/04/24 09/06/24
- This receiver does use Darlington outputs that are no longer available. - alaskahiatt 08:30:54 09/05/24 (1)
  If it is the unavailable Darlingtons, then taking it to a tech would be a money pit. About 25 years ago, I had my Kenwood KA-7300 restored, and my tech found the last Darlington in all the US parts houses.
  - thanks for confirming that -- I was (predictably) too lazy to check! :( - mhardy6647 05:52:57 09/06/24 (0)
    That big Kenwood Rx was/is too rich for my blood. ;)
    
    all the best,
    mrh

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