Yamaha RBX760A II user manual

Summary of the content on the page No. 1

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 .................................

Summary of the content on the page No. 2

RBX760A OVERALL ASSEMBLY E18 Bridge Assembly Diecast : GOLD (QC347800) A01b A seal is attached on the rear of the neck. B02 RBX760A E01 E04 E02 E04 E10 B03 E21 B01 A01 E25 E26 E27 D01 E11 E12 F06 F07 E08 E09 E31 E33 G01 G03 G04 E29 F01b VOLUME : B 20kW F01 F17 E29 G06 E08 E09 F01c BALANCE : A+C 500kW E29 F01a BASS : B 50kW E18 E19 F11a E29 F01a TREBLE : B 50kW 2

Summary of the content on the page No. 3

RBX760A PARTS LIST REF NO. PART NO. DESCRIPTION REMARKS QTY RANK OVERALL ASSEMBLY RBX760AII A01 DX808950 Neck Assembly TLR 31 A01 DX808960 Neck Assembly TLG 31 A01 DX808970 Neck Assembly TLB 31 A01b -- Seal (QC45980) D01 -- Body E01 QC336300 Tuning Machine Assembly RM1243 (GOLD) 2 09 E02 QC336400 Tuning Machine Assembly RM1243L (GOLD) 2 09 * E04 03704070 Round Head Wood Screw 2.4X10 GOLD 4 E08 CB821460 Rod Cover BL 03 * E09 03706220 Oval Head Wood Screw 2.1X10 FCM3BL E10 CB821090 Nut 40mm Ivory

Summary of the content on the page No. 4

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 1 +V 8 Supply Inverting 2 7 Output B Input A Inverting Non-Inverting 3 6 Input B Input A +- Non-Inverting -DC Voltage Supply 4-V 5 Input B 4 +-

Summary of the content on the page No. 5

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 BL GY BL VOLUME B20K BL WH RE TREBLE BL Box for dry cell B50K RE RE BL WH WH BALANCE WH A+C 500K BASS B50K OUTPUT 5

Summary of the content on the page No. 6

RBX760A SPECIFICATIONS STANDARD SPECIFICATIONS Scale Length .............................. 863.6mm Body-Neck Construction ......... Bolt On Length ........................................ 1100.0mm Width ......................................... 327.0mm Net Weight ................................ 3.9kg COLOR Body TLR ......................................... Translucent Red TLG ........................................ Translucent Green TLB ........................................ Translucent Bl