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+E
+D
R90
R91
10K
3K3
C40
C41
1W
22u
22u
450V
450V
+F
R99
1K
FOOTSWITCH
MANUAL
KOCH
GUITAR ELECTRONICS
Amersfoort
The Netherlands
All manuals and user guides at all-guides.com
+C
+B
R92
R93
3K3
220
C42
C43
1W
5W
22u
47u
450V
450V
to filaments V1
+G
-G
R94
220
R95
220
C46
C47
C48
100u
100u
16V
16V
BIAS
R100
1K
REL1
12VDC
1N4007
1N4007
R101
R102
T3
10K
10K
C53
C54
2n2
2n2
c
Copyright 1995, Koch Guitar Electronics
STANDBY
4x
+HT
1N4007
C44
C45
47u
47u
450V
450V
+F
-F
R96
3R3 5W
C49
C50
2x
1N4007
3300u
3300u
3300u
16V
16V
16V
1N4007
R97
1K
C51
C52
P13
CW
22K
4u7
100u
100V
100V
R98
22K
REL2
12VDC
T4
230 V
Z2
115 V
POWER
TX2
100 V
T0,5A
gn
ye
300V
gy
gn
or
rd
bk
Z3
bn
gy
T1,6A
10V
gy
bl
6,5V
bl
Z4
pu
T0,5A
40V
P14
pu
HUM
100R
BALANCE
V1
V2- V4
4
5
4
5
9
filaments
DRAWN:
DATE:
TWINTONE
Dolf Koch
march 2001
SERIAL NRS:
POWER SUPPLY, LOGIC
x631 - x760
T3,4 - BC550
TX2 - TXM-50.3
MAINS
Z1
230V - T1.6A
115V - T3.15A
to filaments V2-6
REPLACE WITH:
250R
V5-V6
2
7
MARK:
4.0
PAGE:
4 of 4
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