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Kustom III Lead S schematic request [message #27813] Fri, 17 July 2020 22:26 Go to next message
oldjim is currently offline  oldjim
Messages: 1
Registered: July 2020
Junior Member
New member and I like the site. I'm looking for a schematic and a component diagram for a recently acquired Kustom III Lead S. I've never worked on a Kustom before and it is a little different than the other amps I have. It has an inspection sticker dated 3/28/78 and the board part numbers are PC5065 (PS), PC5129 (left channel) PC 5128 (right channel) and 009 52278 00 (small board to the left of left channel board). All of the boards are marked KEI-1. I found two versions of the PC5065 on this site but haven't compared them to what I have yet. Any help is appreciated.
Re: Kustom III Lead S schematic request [message #27814 is a reply to message #27813] Sat, 18 July 2020 05:30 Go to previous message
stevem is currently offline  stevem
Messages: 4288
Registered: June 2004
Location: NY
Senior Member
The difference in the 10/71 5065 is that it's schematic is of the booster amp that was used in the second speaker cabinet in the 500 watt series amps since it has a power supply built in and a different input jack set up.

You should just use the early schematic unless you need to look at the power supply section.
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