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Copyright (c) Yamaha Corporation. All rights reserved.  PDF-K351        

  ’04.10

RBX374/RBX375

SERVICE MANUAL

EG

011746

ELECTRIC BASSES

HAMAMATSU, JAPAN

 CONTENTS

OVERALL ASSEMBLY ............................................................. 2
ELECTRICAL PARTS ................................................................ 6
CIRCUIT BOARDS .................................................................... 6
CIRCUIT DIAGRAM .................................................................. 7
WIRING ..................................................................................... 8
SPECIFICATIONS ..................................................................... 8

RBX375

RBX374

<Other color>

BL

FSL

RM

<Other color>

RM

BL

FSL

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 COM-
PONENTS IN YOUR 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.

Содержание RBX374

Страница 1: ...ctrical 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 COM PONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER Avoid prolonged unprotected contact between solder a...

Страница 2: ...08 E03 E02 E03 E04 E05 E04 E05 A01 E13 E15 E14 E16 F02 F03 E18 E19 F06 E17 F04 F05 D01 E10 E09 E07 E06 G02 G03 G01 E11 E12 E14 E15 E16 A01a G01a F01b E17 F04 F05 F01a E17 F04 F05 F01 F01c F06a E17 F04 F05 F01c F06b G05 G06 G04 G04a PICKUP BALANCER A C 500KΩ BASS Boost Cut B 50KΩ TREBLE Boost Cut B 50KΩ MASTER VOLUME B 20KΩ E11 E01 E02 Tuning Machine Assembly ...

Страница 3: ...T Black G01a Pickup Cover ABS Black G02 Round Head Wood Screw 3 1X25 FCM3BL Black 3 01 G03 Pickup Cushion 11X13 Spring 3 G04 Pickup Assembly Hum Cancelled REAR Black G04a Pickup Cover ABS Black G05 Round Head Wood Screw 3 1X25 FCM3BL Black 3 01 G06 Pickup Cushion 11X13 Spring 3 H01 Accessory Unit G 1 Cord CABLE 2 5BK 05 Wrench 1 5 03 Wrench 5 04 H02 Battery 6F22 9V Dry Cell Bridge Assembly BB004 P...

Страница 4: ...05 A01 E13 E15 E14 E16 F02 F03 E18 E19 F06 E17 F04 F05 D01 E10 E09 E07 E06 G02 G03 G01 E11 E12 E14 E15 E16 A01a G01a F01b E17 F04 F05 F01a E17 F04 F05 F01 F01c F06a E17 F04 F05 F01c F06b G05 G06 G04 G04a PICKUP BALANCER A C 500KΩ BASS Boost Cut B 50KΩ TREBLE Boost Cut B 50KΩ MASTER VOLUME B 20KΩ E11 E01 E02 Tuning Machine Assembly E03 E04 E02 E03 E04 E01 E05 E05 ...

Страница 5: ...M3BL Black 3 01 G03 Pickup Cushion 11X13 Spring 3 G04 Pickup Assembly Hum Cancelled REAR Black G04a Pickup Cover ABS Black G05 Round Head Wood Screw 3 1X25 FCM3BL Black 3 01 G06 Pickup Cushion 11X13 Spring 3 H01 Accessory Unit G 1 Cord CABLE 2 5BK 05 Wrench 1 5 03 Wrench 5 04 H02 Battery 6F22 9V Dry Cell Bridge Assembly BB185 P 18mm Black B01 Bridge Plate Zinc 102 5X49 B02 Bridge Piece Assembly 14...

Страница 6: ...n Resistor 12K 1 4W 01 R10 Carbon Resistor 3 3K 1 4W R11 Carbon Resistor 47K 1 4W 01 R12 Carbon Resistor 47K 1 4W 01 VR3 Variable Resistor 16K B50K L 18KC CC BASS Boost Cut 04 VR4 Variable Resistor 16K B50K L 18KC CC TREBLE Boost Cut 04 New Parts RANK Japan only REF NO PART NO DESCRIPTION REMARKS QTY RANK QC831200 QC831200 UA154470 FG411470 UI166100 UA154680 UA154680 UA153560 UI166100 UA153220 UI1...

Страница 7: ...BX374 RBX375 7 CIRCUIT DIAGRAM a c d d c a b b FRONT PICKUP REAR PICKUP BALANCER TREBLE BASS OP AMP OP AMP MASTER VOLUME OUTPUT JACK DC9V Electrolytic Capacitor Mylar Capacitor Ceramic Capacitor BAHH 04 ...

Страница 8: ...ridge ground MASTER VOLUME B 20KΩ BL BL BL BL BL BL BL BL BL TREBLE B 50KΩ OUTPUT JACK BASS B 50KΩ WH WH 1 2 3 WH WH BALANCER A C 500KΩ Battery Compartment Battery Box RE RE RE GY GY Bare Bare FINGERBOARD Material Rosewood Fingerboard Width RBX374 0 F 40 0mm 12 F 56 4mm RBX375 0 F 43 0mm 12 F 65 0mm No of Frets 24 NECK Material Maple Neck Thickness RBX374 1 F 20 0mm 12 F 24 4mm RBX375 1 F 21 0mm 1...

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