| Just got a 1970 kustom 100 2x10 [message #4115] |
Mon, 26 April 2004 09:13  |
indyfry
Messages: 2
Registered: April 2004
Location: St. Louis
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Junior Member |
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Just picked this up for $100 yesterday, this thing is silver sparkle and absolutely tear free. @least a 9 out of 10. I initially thought it just had dirty pots. I cleaned them and found another problem. It seems like it is shutting itself down, the audio all of a sudden dropped off,still has power but no audio. So I turned it off and came back a few minutes later and it was back, I didn't get a chance to try it out very long though and I am sure it will occur again. I guess basically I just wanted to know if anyone has any ideas, on possible problems, or can tell me where to find a schematic.
Thanks in advance
Jeff Hill
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| Re: Just got a 1970 kustom 100 2x10 [message #4118 is a reply to message #4115] |
Mon, 26 April 2004 11:23  |
chicagobill
Messages: 2005
Registered: April 2003
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Senior Member |
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Jeff:
There was a service note on the 200 series that stated that if one of the bias diodes become leaky, it will shut down the power amp. These are the metal cased ones, with one that clips to the heat sink. This would be a reasonable place to start your troubleshooting.
As far as schematics go, check with Steven on line here, he may have what you need.
Bill
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| Schematic for Kustom 100? [message #4122 is a reply to message #4118] |
Tue, 27 April 2004 09:43 |
indyfry
Messages: 2
Registered: April 2004
Location: St. Louis
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Junior Member |
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Last night I cleaned the transistor sockets and it seemed to fix the P.A. Problem. Now I have found that when I turn the trem-vib on I have major signal loss, that is inversely proportioned to how high I turn the trem-vibe Control, speed and intensity do not matter. when I turn the trem-vibe up, signal goes away, anybody have any ideas
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