Yamaha BB NE2 Service Manual

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1.018K-661

Printed in Japan ’01.10

BB NE2

SERVICE MANUAL

011597

ELECTRIC BASS

HAMAMATSU, JAPAN

CONTENTS

OVERALL ASSEMBLY

............................................ 2

ELECTRICAL PARTS

............................................ 4

CIRCUIT BOARD

........................................... 6

CIRCUIT DIAGRAM

.................................................. 7

WIRING

.................................................................... 8

SPECIFICATIONS

................................................. 8

This document is printed on chlorine free (ECF) paper with soy ink.

20011101-280000

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.

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Summary of BB NE2

Page 1
1.018k-661 printed in japan ’01.10 bb ne2 service manual eg 011597 electric bass hamamatsu, japan contents overall assembly ............................................ 2 electrical parts ............................................ 4 circuit board ........................................... 6 circu...
Page 2: Overall Assembly
Bb ne2 2 overall assembly e03 e14 e17 e18 e19 e01 e03 e02 e08 a01 d01 g04 g03 g01 e11 e12 e17 f02 f01 f11 e23 e20 f05 f06 f07 e24 f04 e18 e19 f12 f13 f14 f15 f16 f17 f12a f03 f08 f09 f10 f03a g09 g08 g06 balancer: b 20k Ω e20 f05 f06 f07 volume: a 5k Ω e20 f05 f06 f07 equalizer bass: w 50k Ω e20 f05...
Page 3
Bb ne2 3 : new parts rank: japan only * * * * * * * * * * * * * * * * * overall assembly bb ne2 a01 neck assembly white a01 neck assembly black d01 body e01 tuning machine assembly gb72l (gold) 3 e02 tuning machine assembly gb72 (gold) 2 e03 round head wood screw 2.4x10 (gold) 5 02 e08 nut bone 43mm...
Page 4: Electrical Parts
Bb ne2 4 electrical parts : new parts rank: japan only * * electrical parts bb ne2 circuit board bb ne2 (qc64290) circuit board bb ne2 (qc64290) hexagonal nut 6 06 c01 tantalum capacitor 0.1uf/16v 02 c03 tantalum capacitor 0.1uf/16v 02 c05 electrolytic capacitor 22uf/16v 05 c06 electrolytic capacito...
Page 5
Bb ne2 5 : new parts rank: japan only * ref no. Part no. Description remarks qty rank r27 carbon resistor 470k 1/6w j 03 r31 carbon resistor 33k 1/6w j 01 r32 carbon resistor 27k 1/6w j 01 r51 carbon resistor 47k 1/6w j 01 r52 carbon resistor 47k 1/6w j 01 r53 carbon resistor 33k 1/6w j 01 r54 carbo...
Page 6: Circuit Board
Bb ne2 6 circuit board epa-qc64280-2 component side pattern side volume balancer to rear pickup to output jack to front pickup to battery 9v to mid-cut switch equalizer bass equalizer mid equalizer treble frequency.
Page 7: Circuit Diagram
Bb ne2 7 circuit diagram op amp op amp op amp regulator (volume) center (balancer) front pickup rear pickup electrolytic capacitor electrolytic capacitor (audio) tantalum capacitor mylar capacitor ceramic capacitor ste-bajj-06.
Page 8: Wiring
Bb ne2 8 front pickup rear pickup m2 m1 m2 m2 m1 m1 m2 m1 br bl bl bl bl bl bl re gy wh volume a 5k Ω frequency a 50k Ω equalizer treble w 50k Ω equalizer mid w 50k Ω equalizer bass w 50k Ω balancer b 20k Ω box for dry cell mid-cut switch be re bl re wh wh output jack to bridge ground start end star...