VintageKustom.com
VintageKustom.com is your source for literature and information on the tuck-and-roll vintage Kustom amps from the 60's and 70's, as well as their related products such as guitars and organs . We provide a webboard for help with kustom gear history, technical information and repairs as well as discussions with other collectors.

Home » VintageKustom.com » Repairing Kustom Amps » Kustom 100 blowing fuse (Kustom 100 )
Show: Today's Messages :: Polls :: Message Navigator
Return to the default flat view Create a new topic Submit Reply
Re: Kustom 100 blowing fuse [message #27236 is a reply to message #27234] Fri, 12 April 2019 09:55 Go to previous messageGo to previous message
timetraveler is currently offline  timetraveler
Messages: 25
Registered: April 2019
Junior Member
THis is the 24-L model it has 3 circuit boards the PC5033 is power the PC5068 for tremolo and PC5066 for EQ there is a quick-connect jumper between the power and preamp boards when i disconnect this jumper it stops blowing fuses. I was going to start testing resistors but seems like might take awhile. THere is one Cap that has what looks like dried silicone caulk around it, I'm assuming this was to stop vibrations or something.

replaced so far: 2 driver transistors and 1 output transistor

Test: removed red wires from filter caps and fuse does not blow

checked bridge rectifier

checked diodes

checked for cold solder joints and shorts on board
[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: K200A-1 Power Amp Rescue Needed
Next Topic: Kustom III lead pc board 5065 rev2
Goto Forum:
  

-=] Back to Top [=-
[ Syndicate this forum (XML) ] [ RSS ]

Current Time: Sun Dec 29 13:25:01 EST 2024