8mm Forum: To Kevin: ST-600 M schematic + other questions

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Topic: To Kevin: ST-600 M schematic + other questions

John Wilton
Junior
Posts: 16
From: New York, NY, USA
Registered: Jun 2005

posted June 30, 2005 10:26 PM

Hi Kevin,

Dunno if I should be writing privately or on the list...I see in the archives that you may have a schematic, tho' maybe not for my model (ST-600M)...the circuit board is marked ST-600A. If you have the relevant schematic, can you email it?

I had thought there'd be speed trimming pots; enigmatically there are two holes at the top of the board marked P1 and P2. What gives?

My 'perfect working order' ebay machine came with its VU meter frozen in the red. As I don't think I'll be recording, I don't suppose this matters (other than probably paying too much for the machine [$140]). Or does it? It's a little annoying aesthetically. But even if a replacement meter were available, it looks as though major disassembly would be needed to install. Dangerous surgery for an otherwise nicely running machine.

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John Wilton
NYC

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Kevin Faulkner
Film God

Posts: 4071
From: Essex UK
Registered: Jun 2003

posted July 01, 2005 03:39 AM

Send me a private message with your email address and I'll sort that for you. I have seen the meters stuck on these machines before. Its a case of taking the amp out to get to the meter and then stripping the meter down. They get a bit sticky with age. Tapping the meter gently on its front cover can also free them up sometimes.
There are adjustments for the speeds but why do you need to touch these? There should be 2 speed control pots on the small motor control board but only adjust if you really need to.

Kev.

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GS1200 Xenon with Elmo 1.0...great combo along with a 16-CL Xenon for that super bright white light.

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