M
A
T'L:
PAR
T
NO.:
PART:
64
5 M
A
SS
M
A
N D
R
IV
E
ST
EI
NBERG
E
R
(615) 871-9585
N
A
SHVIL
L
E, TN
37210
L
T
R
R
EV
IS
ION
D
ATE
PCA NO.
D
A
TE:
SCA
LE:
DR
AW
N
:
C
HK:
DIASYNB
N/
A
8/
19
/0
4
D
IASYNB
WI
R
ING
DI
AGR
A
M
- S
tei
nberger S
y
naps
e
E
M
GS
YN-
B
-1 (B
AS
S
)
EXCEPT AS EXPRESSLY AUTHORIZED IN WRI
T
IN
G
BY
G
IBS
O
N
, I
N
C.
MAY NOT BE REPRODUCED OR USED
F
O
R
A
N
Y
P
U
RP
O
S
E
ARE THE CONFIDENTIAL PROP
E
R
T
Y
O
F
GIBSON, INC. AND
THIS DRAWING AND ALL OF THE INF
O
RMA
T
IO
N
H
E
RE
O
N
NOTE
:
PC
B PI
N 1
1
PC
B PI
N 1
0
PC
B PI
N 1
2
V
R
1
V
R
2
V
R
3
OUTPUT VOLUME ADJU
S
T
M
E
N
T
TO SET PREAM
P
FOR PROPER
O
U
T
PU
T
L
E
V
E
L
TURN TRIM POTS VR1
, VR2
AND
V
R
3
T
O
MA
X
IMU
M
V
O
L
U
M
E
OUTPUT VOLUME OF BOTH PIEZO PICKUPS
A
N
D
MA
G
N
E
T
IC
P
ICK
U
P
S
HOULD B
E
EQUAL.
R
E
DUC
E VOLUM
E
OF
LOUDER
PICKUP
BY ADJUSTING TRIM POT IF NECESSARY
T
O
BA
L
A
N
C
E
O
U
T
P
U
T
.
A
D
JU
S
T
M
E
N
T
FO
R MA
GN
E
T
IC
P
IC
KUP
A
D
JU
S
T
M
E
N
T
FO
R
PI
E
Z
O (T
R
E
B
L
E
ST
R
ING
S)
P
IC
KUP
PC
B PI
N
8
PC
B PI
N
9
+
_
+
_
PC
B PI
N 6 (H
O
T
)
P
C
B
P
IN
5
(GND)
PC
B PI
N
1
PC
B PI
N
2
PC
B PI
N
3
RE
D
WI
RE
F
R
O
M
MA
G
N
E
T
IC
P
IC
K
U
P
A
D
JU
S
TM
EN
T F
O
R P
IEZO
(B
A
S
S
S
T
R
IN
G
S
) P
IC
K
U
P
FR
OM
M
A
G
N
E
T
IC
PI
CK
UP
(E
MG
-4
0
P
5
)
F
R
O
M
PI
EZO BR
ID
GE
P
IC
KUPS
9V
9V
PIN
11 = T
O
J
A
C
K
T
IP
PIN 1
2
= V- TO
JA
CK
RI
N
G
PIN 1
= HOT FRO
M
P
IE
Z
O
#1
PIN 3
= HOT FRO
M
P
IE
Z
O
#2
PIN 4
= MAGNETIC
P
/U
V
+
RE
D
PIN 5
= GND FRO
M
P
ICK
U
P
PIN 6
= SIGNAL F
R
O
M
P
ICK
U
P
PIN 7
= NOT
U
S
E
D
N
/C
P
IN
8
=
T
O
B
A
TTERY
(+)
PIN
10 = T
O
J
A
C
K
G
N
D
P
IN
9
=
T
O
B
A
TTERY
(-)
PIN 2
= GND F
R
O
M
P
IE
Z
O
IF 3
PIN CONNE
CT
O
R
U
S
E
D
SIDE VIEW
9
7 8
11
10
12
4
6 5
1
3
2
3
10
8
7
9
6
5
4
12
11
1
2
A
1
2
PI
N
HE
AD
ER
/N
EW
PIN
O
U
T
(
E
M
G
PCB rev E)
8/
19
/0
4
A
25K
A2
5K
(
2
X
)
B50
K
B50
K
Center D
et
en
t
Center D
et
en
t
