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Yamaha RBX760A II Service Manual
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Yamaha RBX760A II Service Manual

Yamaha rbx760a ii electric bass guitar service manual
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EG
011424
19980708-330000

ELECTRIC BASS

RBX760A
SERVICE MANUAL
CONTENTS
....................................................................... 5
............................................... 2
.................................................... 3
........................................... 4
....................................... 4
.................................................... 5
.................................................... 6
HAMAMATSU, JAPAN
0.9K-09
Printed in Japan '98.10

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Summary of Contents for Yamaha RBX760A II

  • Page 1: Table Of Contents

    ELECTRIC BASS RBX760A SERVICE MANUAL CONTENTS OVERALL ASSEMBLY ..........2 PARTS LIST ............ 3 CIRCUIT BOARDS ........... 4 IC BLOCK DIAGRAM ........4 CIRCUIT DIAGRAM ............ 5 WIRING ............... 5 SPECIFICATIONS ............ 6 011424 HAMAMATSU, JAPAN 19980708-330000 0.9K-09 Printed in Japan ’98.10...

  • Page 2: Overall Assembly

    RBX760A OVERALL ASSEMBLY Bridge Assembly Diecast : GOLD (QC347800) A01b A seal is attached on the rear of the neck. RBX760A F01b VOLUME : B 20kΩ F01c BALANCE : A+C 500kΩ F01a BASS : B 50kΩ F11a F01a TREBLE : B 50kΩ...

  • Page 3: Parts List

    RBX760A PARTS LIST PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY RBX760AII DX808950 Neck Assembly DX808960 Neck Assembly DX808970 Neck Assembly A01b Seal (QC45980) Body QC336300 Tuning Machine Assembly RM1243 (GOLD) QC336400 Tuning Machine Assembly RM1243L (GOLD) 03704070 Round Head Wood Screw 2.4X10 GOLD CB821460 Rod Cover...

  • Page 4: Circuit Boards

    RBX760A CIRCUIT BOARDS TREBLE BASS               to Volume Component side Component side to Battery to Balance IC BLOCK DIAGRAM NJM4558D-Y (IG028400) Dual Operational Amplifier +DC Voltage Output A Supply Inverting Output B...

  • Page 5: Circuit Diagram

    RBX760A CIRCUIT DIAGRAM FRONT PICKUP BASS Battery BALANCE DC 9V A+C 500k OUTPUT JACK REAR PICKUP VOLUME TREBLE Electrolytic capacitor Mylay capacitor Ceramic capacitor WIRING FRONT PICKUP REAR PICKUP to rear pickup cavity to front pickup cavity to bridge ground VOLUME B20K TREBLE...

  • Page 6: Specifications

    Neck Thickness ......1-F 21.0 mm, 12-F 24.4 mm PARTS Hardware ........Gold Plated Nut ..........Urea Bridge ........Diecast : Gold Strings ........YAMAHA H4030 CONTROLS Volume ........B20k ohm x 1 Tone ........... B50k ohm x 2 Balance ........A+C 500k ohm x 1 PICKUPS Front/Rear ........