Yamaha BB604 - Circuit Diagram; Wiring

BB604/BB605
8
WIRING
CIRCUIT DIAGRAM
BAJJ-07
FRONT
PICKUP
REAR
PICKUP
TREBLE
Electrolytic Capacitor
Mylar Capacitor
Ceramic Capacitor
BALANCER
BASS
MID FREQ.
M.VOLUME
OUTPUT
JACK
BATTERY
DC9V
MID FREQ. SWITCH
CIRCUIT BOARD
OP AMP
OP AMP
FRONT PICKUP
Upper side: S (BB604)
N (BB605)
Upper side: N (BB604)
S (BB605)
REAR PICKUP
to bridge ground
MID FREQ.
SWITCH
(ON-OFF)
Screw the lug terminal in
cavity for the rear pickup.
GY
GY
BL
BL
BL
BL
BE
RE
RE
BL
WH
WH
WH
WH
WH
WH
RE
BL
BE
RE
RE
OUTPUT JACK
BALANCER
A+C 500KΩ
TREBLE
B 50KΩ
MID FREQ.
A 50KΩ
M.VOLUME
B 20KΩ
BASS
B 50KΩ
Screw the lug terminal in
cavity for the front pickup.
Box for Dry Cell
Jumper Wire