Yamaha Guitar Electric Bass Users Manual
RBX775 to the manual fa34915c-0bae-4684-a130-e6bef5cbe5e7
2015-01-15
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ELECTRIC BASS RBX774/RBX775 SERVICE MANUAL RBX774 This document is printed on chlorine free (ECF) paper with soy ink. RBX775 CONTENTS OVERALL ASSEMBLY ............................................ 2 ELECTRICAL PARTS ............................................. 6 CIRCUIT BOARD ............................................ 7 CIRCUIT DIAGRAM .................................................. 8 WIRING .................................................................... 9 SPECIFICATIONS ............................................... 10 EG 011634 HAMAMATSU, JAPAN 0.768K-072 Printed in Japan ’02.03 RBX774/RBX775 OVERALL ASSEMBLY A01a RBX774 A seal is attached on the rear of the neck. RBX 774 E01 E04 E02 E04 E18 Bridge Assembly: BPZ-8 Diecast (QC674000) E10 A01b B01 E21 F11 Jack Installation F11a B02 F11b A01 F11c F11 E26 E25 E27 D01 E11 E14 E08 E09 E08 E09 F06 F07 E11 E12 E31 E33 G01 G04 E28 E28a F01a F08 F09 F10 G03 M.VOLUME: A 20KΩ E28 E28a F01a F08 F09 F10 G06 G09 M.TONE: A 20KΩ G08 F01 F17 E18 E19 E27 E25 E26 2 F01b F03 F04 F05 F01c F11 F11a F11b F11c RBX774/RBX775 RBX774 DESCRIPTION OVERALL ASSEMBLY * A01 AAX34350 Neck Assembly * A01 AAX34360 Neck Assembly * A01 AAX34370 Neck Assembly A01a Seal -A01b Head Panel -REF NO. * * * * * * * * PART NO. D01 -- E01 E02 E04 E08 E09 E10 E11 E12 E14 E18 E19 E21 E25 E26 E27 E28 E28a E31 E33 QC279100 QC279800 VD763600 QC672700 03704270 QC672600 QC205200 QC685100 QC685200 QC674000 QC685300 -QC656200 QC613000 VB793700 QC573500 AAX35960 QC674300 EB620020 F01 -- Tuning Machine Assembly Tuning Machine Assembly Round Head Wood Screw Rod Cover Round Head Wood Screw Nut Neck Joint Bushing Oval Head Tapping Screw Oval Head Tapping Screw Bridge Assembly Flat Head Tapping Screw Strings Strap Button Oval Head Tapping Screw Spacer Knob Assembly Screw Back Cover Oval Head Wood Screw RM1243 (Black) RM1243L (Black) 2.4X10 FCM3BL Black 2.7X13 FCM3BL Urea 40mm (Black) Black 4.5X35 FCM3BL 4.5X40 FCM3BL BPZ-8 (Black) Diecast 3.0X25 FCM3BL H4030 SG-type (Black) 3.5X25 FCM3BL Felt (Black) Black M3.0X6 ZMC-BL Electrical (Black) 2.7X13 FCM3BL Electrical Unit F01c * F03 F04 F05 F06 F07 F08 F09 F10 F11 F11a F11b F11c F17 QC677900 QC685400 --QA223300 QC025000 ---QA209900 ---EA620060 Toggle Switch (Mini) Knob, Pickup Switch Nut Nut Box for Dry Cell Pan Head Tapping Screw Hexagonal Nut Flat Washer Toothed Lock Washer Jack Hexagonal Nut Rubber Ring Toothed Lock Washer Round Head Wood Screw G01 G03 G04 G06 G08 G09 QC460500 VJ388800 QC556400 QC460600 VJ388800 QC556400 H01 H02 QC354000 QA262600 ---- B01 B02 QC674000 Bridge Assembly EA330400 Pan Head Screw VJ402400 Spring : New Parts QTY RANK Right Left Black 2 2 4 09 09 01 Black 2 01 4 2 2 4 8 04 Body * F01a QC687400 Circuit Board * F01b QC687500 Toggle Switch * Natural REMARKS RBX774 BL with Head Panel FSL with Head Panel FLB with Head Panel (QC67460) (QC67250) 3P DM-20 ON-ON (Black) SGV-type FCM3BL Black Black Black Black Black 1set(4pcs) (AA80931) M.VOLUME,M.TONE Black 2 2 2 2 2 01 01 07 Black 4 03 Black (QC67440) with VOL,TONE VR PICKUP BOOST (ON-OFF) Black with Pickup Switch with Boost Switch 06 04 3.0X8 FCM3BL Black with Volume with Volume with Volume 2 2 2 2 Gold 07 2.7X13 FCM33G for Earth Lug (Chrome) 2 Pickup Assembly Pan Head Tapping Screw Pickup Cushion Pickup Assembly Pan Head Tapping Screw Pickup Cushion H/B (Black) 2.6X35 FCM3BL 55X25X18 H/B (Black) 2.6X35 FCM3BL 55X25X18 FRONT Black 3 REAR Black 3 Accessory Unit Cord Wrench Wrench Battery G-1 D #1.5 #5 9V Dry Cell 1set BPZ-8 (Black) Diecast 3.0X40 FCM3BL Black 03 13 02 02 13 02 02 07 05 (PC10008) Black 4 4 4 01 01 RANK: Japan only 3 RBX774/RBX775 OVERALL ASSEMBLY A01a RBX775 A seal is attached on the rear of the neck. RBX 775 E01 E04 E02 E04 E18 Bridge Assembly: BPZ-8 Diecast (QC674000) E10 A01b B01 E22 E21 F11 Jack Installation F11a B02 F11b A01 F11c F11 E26 E25 E27 D01 E11 E14 E08 E09 E08 E09 F06 F07 E11 E12 E31 E33 G01 G04 E28 E28a F01a F08 F09 F10 G03 M.VOLUME: A 20KΩ E28 E28a F01a F08 F09 F10 G06 G09 M.TONE: A 20KΩ G08 F01 F17 E18 E19 E27 E25 E26 4 F01b F03 F04 F05 F01c F11 F11a F11b F11c RBX774/RBX775 RBX775 DESCRIPTION OVERALL ASSEMBLY * A01 AAX34380 Neck Assembly * A01 AAX34390 Neck Assembly * A01 AAX34400 Neck Assembly A01a Seal -A01b Head Panel -REF NO. * * * * * * * * PART NO. D01 -- E01 E02 E04 E08 E09 E10 E11 E12 E14 E18 E19 E21 E22 E25 E26 E27 E28 E28a E31 E33 QC279100 QC279800 VD763600 QC672400 03704270 QC672300 QC205200 QC685100 QC685200 QC674000 QC685300 --QC656200 QC613000 VB793700 QC573500 AAX35960 QC674300 EB620020 F01 -- Tuning Machine Assembly Tuning Machine Assembly Round Head Wood Screw Rod Cover Round Head Wood Screw Nut Neck Joint Bushing Oval Head Tapping Screw Oval Head Tapping Screw Bridge Assembly Flat Head Tapping Screw Strings Strings Strap Button Oval Head Tapping Screw Spacer Knob Assembly Screw Back Cover Oval Head Wood Screw RM1243 (Black) RM1243L (Black) 2.4X10 FCM3BL Black 2.7X13 FCM3BL Urea 43mm (Black) Black 4.5X35 FCM3BL 4.5X40 FCM3BL BPZ-8 (Black) Diecast 3.0X25 FCM3BL H4030 H4055 Low-B SG-type (Black) 3.5X25 FCM3BL Felt (Black) Black M3.0X6 ZMC-BL Electrical (Black) 2.7X13 FCM3BL Electrical Unit F01c * F03 F04 F05 F06 F07 F08 F09 F10 F11 F11a F11b F11c F17 QC677900 QC685400 --QA223300 QC025000 ---QA209900 ---EA620060 Toggle Switch (Mini) Knob, Pickup Switch Nut Nut Box for Dry Cell Pan Head Tapping Screw Hexagonal Nut Flat Washer Toothed Lock Washer Jack Hexagonal Nut Rubber Ring Toothed Lock Washer Round Head Wood Screw G01 G03 G04 G06 G08 G09 QC472800 VJ388800 QC556400 QC472900 VJ388800 QC556400 H01 H02 QC354000 QA262600 ---- B01 B02 QC674000 Bridge Assembly EA330400 Pan Head Screw VJ402400 Spring : New Parts QTY RANK Right Left Black 3 2 5 09 09 01 Black 2 01 4 2 2 5 10 04 Body * F01a QC687400 Circuit Board * F01b QC687500 Toggle Switch * Natural REMARKS RBX775 BL with Head Panel FSL with Head Panel FLB with Head Panel (QC67290) (QC67220) 3P DM-20 ON-ON (Black) SGV-type FCM3BL Black Black Black Black Black 1set(4pcs) (AA80931) (QB00400) M.VOLUME,M.TONE Black 2 2 2 2 2 01 01 07 Black 4 03 Black (QC67440) with VOL,TONE VR PICKUP BOOST (ON-OFF) Black with Pickup Switch with Boost Switch 06 04 3.0X8 FCM3BL Black with Volume with Volume with Volume 2 2 2 2 Gold 07 2.7X13 FCM33G for Earth Lug (Chrome) 2 Pickup Assembly Pan Head Tapping Screw Pickup Cushion Pickup Assembly Pan Head Tapping Screw Pickup Cushion H/B (Black) 2.6X35 FCM3BL 55X25X18 H/B (Black) 2.6X35 FCM3BL 55X25X18 FRONT Black 3 REAR Black 3 Accessory Unit Cord Wrench Wrench Battery G-1 D #1.5 #5 9V Dry Cell 1set BPZ-8 (Black) Diecast 3.0X40 FCM3BL Black 03 13 02 02 13 02 02 07 05 (PC10008) Black 5 5 5 01 01 RANK: Japan only 5 RBX774/RBX775 ELECTRICAL PARTS REF NO. * * C01 C02 C03 C04 C05 C06 C07 C08 * C09 C10 C11 D01 IC1 IC1 R01 R02 R03 R04 R05 R06 R07 R08 R09 R10 R11 R12 R13 R14 R15 * VR1 * VR2 PART NO. DESCRIPTION ELECTRICAL PARTS QC687400 Circuit Board QC687400 UA154470 UB051470 UI166100 UA154680 UA154680 UA153560 UI166100 UA153220 UA155220 UI337100 UI337100 VB797600 XD901A00 XN309A00 RD259100 RD258220 RD258270 RD258470 RD256680 RD257430 RD257120 RD257270 RD256680 RD256820 RD256820 RD257270 RD256100 RD257470 RD257470 QC687600 QC687600 Circuit Board Mylar Capacitor Ceramic Capacitor (chip) Electrolytic Capacitor Mylar Capacitor Mylar Capacitor Mylar Capacitor Electrolytic Capacitor Mylar Capacitor Mylar Capacitor Electrolytic Capacitor Electrolytic Capacitor Diode (chip) IC IC Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Carbon Resistor (chip) Variable Resistor Variable Resistor REMARKS RBX774/RBX775 (QC68780) QTY (QC68780) 0.047uF/50V 47pF/50V J 1uF/50V 0.068uF/50V 0.068uF/50V 5600pF/50V 1uF/50V 2200pF/50V 0.22uF/50V 10uF/16V 10uF/16V RLS-73 NJM062M TL062CPS 1M J 220K J 270K J 470K J 6.8K J 43K J 12K J 27K J 6.8K J 8.2K J 8.2K J 27K J 1K J 47K J 47K J 16T1-A20K L-18KC 16T1-A20K L-18KC : New Parts 01 01 01 02 02 01 01 01 01 01 02 03 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 OP AMP M.VOLUME M.TONE RANK: Japan only 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 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. 6 RANK RBX774/RBX775 CIRCUIT BOARD M.TONE M.VOLUME to OUTPUT JACK to PICKUP SWITCH to BOOST SWITCH to BATTERY DC9V Component side Pattern side Note: See parts list for details of circuit board component parts. EPA-QC68740-2 7 CIRCUIT DIAGRAM BATTERY DC9V BOOST SWITCH (ON-OFF) PICKUP SWITCH (3P Toggle: DM-20) OUTPUT JACK OP AMP REAR PICKUP OP AMP M.TONE M.VOLUME Electrolytic Capacitor Mylar Capacitor Ceramic Capacitor BAHH-02 RBX774/RBX775 8 CIRCUIT BOARD FRONT PICKUP RBX774/RBX775 WIRING RBX774 FRONT PICKUP REAR PICKUP Screw with the following earth lug. Screw the lug terminal in cavity for the front pickup. to bridge ground Screw the lug terminal in cavity for the rear pickup. OUTPUT JACK BL BL GR OR RE Box for Dry Cell BL WH BOOST SWITCH (ON-OFF) WH RE BL M.VOLUME A 20KΩ M.TONE A 20KΩ PICKUP SWITCH (3P Toggle: DM-20) CIRCUIT BOARD RBX775 REAR PICKUP FRONT PICKUP Screw with the following earth lug. Screw the lug terminal in cavity for the front pickup. to bridge ground Screw the lug terminal in cavity for the rear pickup. OUTPUT JACK BL BL Box for Dry Cell GR RE OR BL WH BOOST SWITCH (ON-OFF) WH RE BL M.VOLUME A 20KΩ M.TONE A 20KΩ PICKUP SWITCH (3P Toggle: DM-20) CIRCUIT BOARD 9 RBX774/RBX775 SPECIFICATIONS STANDARD SPECIFICA TIONS Scale Length .............................. 889.0mm Body-Neck Construction ......... Bolt On Length RBX774 ................................... 1134.0mm RBX775 ................................... 1158.7mm Width RBX774 ................................... 324.4mm RBX775 ................................... 331.0mm Net Weight RBX774 ................................... 3.9kg RBX775 ................................... 4.0kg COLOR Body BL ............................................ Black FSL .......................................... Flat Silver FLB .......................................... Flat Blue Neck BL ............................................ Black FSL .......................................... Flat Silver FLB .......................................... Flat Blue BODY Material ...................................... Alder Body Depth ............................... 41mm FINGERBOARD Material ...................................... Rose Fingerboard Width RBX774 ................................... 0-F 40.0mm, 12-F 56.4mm RBX775 ................................... 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 PAR TS Hardware ................................... Black Plated Nut .............................................. Urea Bridge ........................................ BPZ-8 Diecast (Black) Strings RBX774 ................................... H4030 (4pcs) RBX775 ................................... H4030 (4pcs) H4055 (Low-B) CONTROLS Volume ....................................... A 20KΩ x 1 Tone ........................................... A 20KΩ x 1 Pickup Switch ............................ 3 position Toggle Switch (DM-20) Boost Switch ............................. Mini Toggle Switch (2 pole 2 position) PICKUPS Front/Rear ................................ Humbucking Magnet Front/Rear ............................. Ferrite 10
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