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 » K150-6 pumps out DC voltage when powered on.
Show: Today's Messages :: Polls :: Message Navigator
Return to the default flat view Create a new topic Submit Reply
Re: K150-6 pumps out DC voltage when powered on. [message #27710 is a reply to message #23707] Sat, 07 March 2020 21:25 Go to previous messageGo to previous message
corybrown is currently offline  corybrown
Messages: 51
Registered: August 2015
Member
Ok. I went through and took a measurement at every point on the board. It's probably overkill but I've got to find this thing.

Component In Out
R1 47K 169mV .6V
R2 47K 193mV .6V
R3 82.5K 1% .6V 5.7V
R4 221K 1% .6V -8.5V
R5 2200 5.7V 8.5V
R6 4700 5.7V 5.7V
R7 33K 42mV 0V
R8 39K 42.85V 20.67V
R9 39K 20.68V .6V
R10 4700 -28V -34V
R11 3900 -34V -34V
R12 1820 1% -1.9V -2.2V
R13 33K -1.9V -20V
R14 2200 42V 14V
R15 2700 14V -19V
R16 97.6K 1% -2.3V -20.9V
R17 4700 -21V -33V
R18 470 -28V -21V
R19 470 -33V -34V
R20 470 -34V -43V
R21 1K -20V -21V
R22 100 -20V -21V
R23 1K -20V -21V
R24 100 -42V -42V
R25 820 5% -21V -21V
R26 .5 5W -21V -21V
R27 267 1% -21V -21V
R28 .5 5W -21V -21V
R29 267 1% -21V -21V
R30 820 5% -21V -21V
R31 100K -21V 109mV
R32 18K 43V 9.7V
R33 1200 7.6V 8V
R34 4700 8.5V 7.6V
R35 10K 7.6V 0V
R36 1K 9.1V 8.6V
R37 4.7 8.6V 8.5V
R38 10K 1% 8.5V -.6V
R39 8.25K 1% -8.5V -.6V
R40 18K -42V -9V
R41 1K -42V -42V
R42 4.7 -8.5V -8.5V
R43 510 109mV 109mV
C1 0.005 5.7V 0V
C2 0.33 5.7V 42mV
C3 1.0 35V 20.6V 0V
C4 33 15V -1.9V 0V
C5 27 35V 14V -21V
C6 27 35V -21V -33V
C7 47 PF -28V -27V
C8 0.005 -34V 0V
C9 47 PF 42V 9.7V
C10 47 PF 9.7V 7.6V
C11 33 15V 7.6V 0V
C12 33 15V 8.5V 0V
C13 47 PF -9.2V -.6V
C14 47 PF -9.2V -42V
C15 10 15V -.6V -8.5V
C16 33 15V -8.5V 0V
CR1 1N3193 -19V -20V
CR2 1N3193 -20V -22V
CR3 1N3754 -22V -21V
CR4 FD111 -19V -113mV
CR5 FD111 -21V -21V
Q1 PET8002 B .6V C5.7V E 0V
Q2 2N4249 B 42mV C-28V E .6V
Q3 2N4249 B -2.3V C -34V E .6V
Q4 38735 B -28V C -28V E -34V
Q5 38736 B-19V C 42V E -20V
Q6 38737 B -21V C -42V -21V
Q7 2N3567 B -21V C -113mV -21V
Q8 2N3638 B -21V C -21V E -21V
Q9 PET8002 B 7.6V C 9.2V E 7.5V
Q10 CR10 SZ51218 7V 0V
Q11 2N3567 B -9.7V C 43V E 9.1V
Q12 36892 B 9.1V C 43V E 8.6V
Q13 PET8002 B 8.6V C 9.7V E 8.5V
Q14 2N3638 B .6V C 0V E -9.2V
Q15 2N3638 B -9.2V C -42V E -8.6V
Q16 36892 B -42V C -8.6V E -42V
Q17 2N3638 B -8.6V C -9.2V E -8.5V
Q18 36892 B -20V C 42V E -20V
Q19 36892 B -21V C -42V E -43V
[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
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: K100 2 Questions
Next Topic: Reducing the high frequency hiss on Frankie heads
Goto Forum:
  

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

Current Time: Sun Nov 17 18:40:34 EST 2024