Yamaha BB 604 User manual

0.768K-952 Printed in Japan ’02.02
EG 011622
ELECTRIC BASS
HAMAMATSU, JAPAN
CONTENTS
OVERALL ASSEMBLY ............................................ 2
ELECTRICAL PARTS ............................................. 6
CIRCUIT BOARD ............................................ 7
CIRCUIT DIAGRAM .................................................. 8
WIRING .................................................................... 8
SPECIFICATIONS ................................................. 9
This document is printed on chlorine free (ECF) paper with soy ink.
WARNING : CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/
electronic and/or plastic (Where applicable) components may also contain traces of chemicals
found by the California Health and Welfare Agency (and possibly other entities) to cause cancer
and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS INYOUR
MOUTH FOR ANY REASON WHAT SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not
inhale solder fumes or expose eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product,
wash your hands before handling food.
BB604/BB605
SERVICE MANUAL
BB 605

BB604/BB605
2
A01b
A seal is attached
on the rear of the neck.
BB 604
E01 E04
E10
E02 E04
E05 E06
E07
E21
E11
A01
E25 E26
E27
D01
E12
E11
G03
G04 G05G01
E25 E26 E27
E28
F01
E31
E09 E33
F01a F01e F01f F01g
G08
G09 G10G06
E19
E18
BASS: B 50KΩ
TREBLE: B 50KΩ
E28 F01b F01e F01f F01g
BALANCER: A+C 500KΩ
E28 F01d F01e F01f F01g
M.VOLUME: B 20KΩ
F12 F12a
E28 F01c F01e F01f F01g
MID FREQ.: A 50KΩ
E28
E28a
E28a
E28a
E28a
E28a
F01i F01j F01k
F01h
F01a F01e F01f F01g
F12b F12c
F07 F08
E08
OVERALL ASSEMBLY
Jack Installation
F12
F12b
F12
F12a
F12c
Bridge Assembly: Diecast (QC347800)
E18
B01
B03
B02
BB604

BB604/BB605
3
: New Parts RANK: Japan only
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OVERALL ASSEMBLY BB604
A01 Neck Assembly YNS
A01 Neck Assembly WR
A01 Neck Assembly BL
A01b Seal (QC67600)
D01 Body
E01 Tuning Machine Assembly RM1243 (Gold) 2 09
E02 Tuning Machine Assembly RM1243L (Gold) 2 09
E04 Round Head Wood Screw 2.4X10 (Gold) 4 02
E05 String Guide Gold 05
E06 Spacer Black 01
E07 Oval Head Wood Screw 2.7X20 (Gold)
E08 Rod Cover Black 03
E09 Oval Head Wood Screw 2.1X10 FCM3BL Black 01
E10 Nut Urea 40mm (Ivory) 07
E11 Neck Plate Square (Gold) 05
E12 Oval Head Tapping Screw 4.0X45 (Gold) 4
E18 Bridge Assembly Diecast (Gold) 11
E19 Oval Head Tapping Screw 3.0X25 (Gold) 4
E21 Strings H4030 1set (QC35100)
E25 Strap Button ST-type (Gold) 2 02
E26 Oval Head Tapping Screw 3.0X25 (Gold) 2
E27 Spacer Felt (Black) 201
E28 Knob Assembly VK-3 H=16.5 (Gold) BAL,VOL,BASS,TREBLE,M-FQ 506
E28a Set Screw 4.0X6 (Gold) 5
E31 Back Cover Electrical (Black)
E33 Oval Head Wood Screw 2.7X13 FCM3BL Black 5 03
F01 Electrical Unit (QC67160)
F01a Circuit Board 1set
F01b Variable Resistor 500K ohm A+C CC BALANCER 05
F01c Variable Resistor 50K ohm B CC TREBLE
F01d Variable Resistor 20K ohm B M.VOLUME 04
F01e Hexagonal Nut with Volume 5
F01f Flat Washer with Volume 5
F01g Toothed Lock Washer with Volume 5
F01h Toggle Switch ON-ON (Black) MID FREQ.(ON-OFF)
F01i Toothed Lock Washer with Toggle Switch
F01j Flat Washer with Toggle Switch
F01k Hexagonal Nut withToggle Switch
F07 Box for Dry Cell 04
F08 Pan Head Tapping Screw 3.0X8 FCM3BL Black 2
F12 Jack Gold 07
F12a Hexagonal Nut
F12b Toothed Lock Washer
F12c Rubber Ring
G01 Pickup Assembly S/C KPBO (Black) FRONT
G03 Pan Head Tapping Screw 2.6X35 FCM3BL Black 4 02
G04 Pickup Cushion 85X17X15 02
G05 Round Head Wood Screw 2.7X13 FCM33G for Earth Lug (Chrome) 03
G06 Pickup Assembly S/C KPBO (Black) REAR
G08 Pan Head Tapping Screw 2.6X35 FCM3BL Black 4 02
G09 Pickup Cushion 85X17X15 02
G10 Round Head Wood Screw 2.7X13 FCM33G for Earth Lug (Chrome) 03
H01 Accessory Unit G-1 1set 07
Cord D 05
Wrench #1.5
Wrench #5
Bridge Assembly Diecast (Gold) 11
B01 Bridge Base Gold 07
B02 Bridge Piece Assembly 1,2 (Gold) 1,2 Strings 2 05
B03 Bridge Piece Assembly 3,4 (Gold) 3,4 Strings 2 05
AAX33700
AAX33710
AAX33720
--
--
QC336300
QC336400
03704070
VB518400
VJ382000
03706320
CB821460
03706220
CB821090
AA819960
EN240050
QC347800
EN230130
--
BB802460
EN230130
VB793700
QC032200
--
QC677100
EB620020
--
QC671500
QC259400
QC672100
QC259500
--
--
--
QC677900
--
--
--
QA223300
QC025000
QA209900
--
--
--
QC670100
VJ388800
CB815450
EA620060
QC670200
VJ388800
CB815450
EA620060
QC354000
QA262600
--
--
QC347800
QC348000
NX818360
NX818370
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
BB604

BB604/BB605
4
A01b
A seal is attached
on the rear of the neck.
BB 605
E01 E04
E10
E02 E04
E05 E06
E07
E22
E21
E11
A01
E25 E26
E27
D01
E12
E11
G03
G04G01
E25 E26 E27
E28
F01
E31
E09 E33
F01a F01e F01f F01g
G08
G09
G05
G10G06
E19
E18
E20
BASS: B 50KΩ
TREBLE: B 50KΩ
E28 F01b F01e F01f F01g
BALANCER: A+C 500KΩ
E28 F01d F01e F01f F01g
M.VOLUME: B 20KΩ
F12 F12a
E28 F01c F01e F01f F01g
MID FREQ.: A 50KΩ
E28
E28a
E28a
E28a
E28a
E28a
F01i F01j F01k
F01h
F01a F01e F01f F01g
F12b F12c
F07 F08
E08
OVERALL ASSEMBLY
Bridge Assembly: Diecast (QC704800)
E18
Jack Installation
F12
B02
B03
B01
F12b
F12
F12a
F12c
BB605

BB604/BB605
5
: New Parts RANK: Japan only
*
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OVERALL ASSEMBLY BB605
A01 Neck Assembly YNS
A01 Neck Assembly WR
A01 Neck Assembly BL
A01b Seal (QC67590)
D01 Body
E01 Tuning Machine Assembly RM1243 (Gold) 3 09
E02 Tuning Machine Assembly RM1243L (Gold) 2 09
E04 Round Head Wood Screw 2.4X10 (Gold) 5 02
E05 String Guide Gold 205
E06 Spacer Black 201
E07 Oval Head Wood Screw 2.7X20 (Gold) 2
E08 Rod Cover Black 03
E09 Oval Head Wood Screw 2.1X10 FCM3BL Black 01
E10 Nut Urea 43mm (Ivory)
E11 Neck Plate Square (Gold) 05
E12 Oval Head Tapping Screw 4.0X45 (Gold) 4
E18 Bridge Assembly Diecast (Gold)
E19 Oval Head Tapping Screw 4.0X25 (Gold) 6
E20 Oval Head Tapping Screw 4.0X40 (Gold) 2
E21 Strings H4030 1set(4pcs) (AA80931)
E22 Strings H4055 Low-B (QB00400)
E25 Strap Button ST-type (Gold) 2 02
E26 Oval Head Tapping Screw 3.0X25 (Gold) 2
E27 Spacer Felt (Black) 201
E28 Knob Assembly VK-3 H=16.5 (Gold) BAL,VOL,BASS,TREBLE,M-FQ 506
E28a Set Screw 4.0X6 (Gold) 5
E31 Back Cover Electrical (Black)
E33 Oval Head Wood Screw 2.7X13 FCM3BL Black 5 03
F01 Electrical Unit (QC67160)
F01a Circuit Board 1set
F01b Variable Resistor 500K ohm A+C CC BALANCER 05
F01c Variable Resistor 50K ohm B CC TREBLE
F01d Variable Resistor 20K ohm B M.VOLUME 04
F01e Hexagonal Nut with Volume 5
F01f Flat Washer with Volume 5
F01g Toothed Lock Washer with Volume 5
F01h Toggle Switch ON-ON (Black) MID FREQ.(ON-OFF)
F01i Toothed Lock Washer with Toggle Switch
F01j Flat Washer with Toggle Switch
F01k Hexagonal Nut withToggle Switch
F07 Box for Dry Cell 04
F08 Pan Head Tapping Screw 3.0X8 FCM3BL Black 2
F12 Jack Gold 07
F12a Hexagonal Nut
F12b Toothed Lock Washer
F12c Rubber Ring
G01 Pickup Assembly S/C KPBO (Black) FRONT
G03 Pan Head Tapping Screw 2.6X35 FCM3BL Black 4 02
G04 Pickup Cushion 85X17X15 02
G05 Round Head Wood Screw 2.7X13 FCM33G for Earth Lug (Chrome) 03
G06 Pickup Assembly S/C KPBO (Black) REAR
G08 Pan Head Tapping Screw 2.6X35 FCM3BL Black 4 02
G09 Pickup Cushion 85X17X15 02
G10 Round Head Wood Screw 2.7X13 FCM33G for Earth Lug (Chrome) 03
H01 Accessory Unit G-1 1set 07
Cord D 05
Wrench #1.5
Wrench #5
Bridge Assembly Diecast (Gold)
B01 Bridge Base Gold
B02 Bridge Piece Assembly 1,2 (Gold) 1,2 Strings 2
B03 Bridge Piece Assembly 3,4,5 (Gold) 3,4,5 Strings 3
AAX33730
AAX33740
AAX33750
--
--
QC336300
QC336400
03704070
VB518400
VJ382000
03706320
CB821460
03706220
QC411200
AA819960
EN240050
QC704800
QC706700
VD763000
--
--
BB802460
EN230130
VB793700
QC032200
--
QC677100
EB620020
--
QC671500
QC259400
QC672100
QC259500
--
--
--
QC677900
--
--
--
QA223300
QC025000
QA209900
--
--
--
QC669900
VJ388800
CB815450
EA620060
QC670000
VJ388800
CB815450
EA620060
QC354000
QA262600
--
--
QC704800
QC705000
AAX33760
AAX33770
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
BB605

BB604/BB605
6
: New Parts RANK: Japan only
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ELECTRICAL PARTS BB604/BB605
Circuit Board 1set (QC63170)
Circuit Board 1set (QC63170)
Jumper Wire L=130mmX4 (QC67200)
C01 Mylar Capacitor 0.047uF 50V 01
C02 Ceramic Capacitor (chip) 47pF 50V J 01
C03 Mylar Capacitor 6800pF 01
C04 Electrolytic Cap. 1uF 50V 01
C05 Mylar Capacitor 0.068uF 02
C06 Mylar Capacitor 0.068uF 02
C07 Mylar Capacitor 5600pF 50V
C08 Mylar Capacitor 2200pF 50V 01
C09 Electrolytic Cap. 10uF 16V 01
C10 Electrolytic Cap. 10uF 16V 01
C11 Mylar Capacitor 0.1uF 50V 01
C12 Electrolytic Cap. 10uF 16V 01
C13 Electrolytic Cap.-BP 1uF 50V
C14 Mylar Capacitor 3900pF 50V 02
C15 Mylar Capacitor 0.1uF 50V 01
C16 Mylar Capacitor 0.056uF 50V 02
C17 Electrolytic Cap. 10uF 16V 01
IC1 IC NJM062M OP AMP 02
IC1 IC TL062CPS 03
IC2 IC NJM062M OP AMP 02
IC2 IC TL062CPS 03
D01 Diode (chip) RLS-73 01
R01 Carbon Resistor (chip) 1M J 01
R02 Carbon Resistor (chip) 390K J 01
R03 Carbon Resistor (chip) 1M J 01
R04 Carbon Resistor (chip) 470K J 01
R05 Carbon Resistor (chip) 12K J 01
R06 Carbon Resistor (chip) 27K J 01
R07 Carbon Resistor (chip) 6.8K J 01
R08 Carbon Resistor (chip) 8.2K J 01
R09 Carbon Resistor (chip) 12K J 01
R10 Carbon Resistor (chip) 3.3K J 01
R11 Carbon Resistor (chip) 47K J 01
R12 Carbon Resistor (chip) 47K J 01
R13 Carbon Resistor (chip) 470K J 01
R14 Carbon Resistor (chip) 10K J 01
R15 Carbon Resistor (chip) 15K J 01
R16 Carbon Resistor (chip) 1K J 01
R17 Carbon Resistor (chip) 1K J 01
R18 Carbon Resistor (chip) 470K J 01
R19 Carbon Resistor (chip) 1K J 01
VR1 Variable Resistor 16K-B50K L-18KC/CC BASS 04
VR2 Variable Resistor 16T1-A50K L-18KC MID FREQ.
QC671500
QC671500
--
UA154470
UB051470
UA153680
UI166100
UA154680
UA154680
UA153560
UA153220
UI337100
UI337100
UA155100
UI337100
AAX33780
UA253390
UA155100
UA254560
UI337100
XD901A00
XN309A00
XD901A00
XN309A00
VB797600
RD259100
RD258390
RD259100
RD258470
RD257120
RD257270
RD256680
RD256820
RD257120
RD256330
RD257470
RD257470
RD258470
RD257100
RD257150
RD256100
RD256100
RD258470
RD256100
QC251700
QC671900
REF NO.
PART NO. DESCRIPTION REMARKS
QTY RANK
ELECTRICAL PARTS







BB604/BB605
7
CIRCUIT BOARD
Component side
Pattern side
to BALANCER
to BATTERY
DC9V
to TREBLE
BASS
to M.VOLUME
to MID FREQ.
SWITCH
MID FREQ.
Jumper Wire (QC67200)
Note: See parts list for details of circuit board component parts.
Component side
Pattern side
EPA-QC67150-1 1
EPA-QC67150-2

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

BB604/BB605
9
SPECIFICATIONS
STANDARD SPECIFICA TIONS
Scale Length..............................863.6mm
Body-Neck Construction .........Bolt On
Length
BB604.......................................1141.0mm
BB605.......................................1159.5mm
Width
BB604......................................318.5mm
BB605......................................324.5mm
Net Weight
BB604......................................3.9kg
BB605......................................4.0kg
COLOR
Body
YNS ......................................... Yellow Natural Satin
WR...........................................Wine Red
BL ............................................Black
Neck
YNS ......................................... Yellow Natural Satin
WR...........................................Wine Red
BL ............................................Black
BODY
Material......................................Alder
Body Depth ...............................41mm
FINGERBOARD
Material......................................Rosewood
Fingerboard Width
BB604......................................0-F 40.0mm, 12-F 56.4mm
BB605......................................0-F 43.0mm, 12-F 65.0mm
No. of Frets................................24
NECK
Material......................................Maple
Neck Thickness ........................ 1-F 21.0mm, 12-F 24.4mm
PARTS
Hardware ...................................Gold Plated
Nut..............................................Urea
Bridge
BB604......................................Korea: Diecast (Gold)
BB605......................................Taiwan: Diecast (Gold)
Strings
BB604......................................H4030
BB605......................................H4030 (4pcs)
H4055 (Low-B)
CONTROLS
Volume ....................................... B 20KΩx 1
Balancer.....................................A+C 500KΩx 1
Bass............................................B 50KΩx 1
Treble ........................................B 50KΩx 1
Mid Freq....................................A 50KΩx 1
MID FREQ. Switch................... Toggle Switch (ON-OFF)
PICKUPS
Front/Rear ................................ Single Coil
Magnet
Front/Rear .............................Ferrite