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Yamaha TRB-JP2 User Manual

Yamaha TRB-JP2
9 pages
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Copyright (c) Yamaha Corporation. All rights reserved. PDF-K811
’03.02
SERVICE MANUAL
EG
011672
ELECTRIC BASS
CONTENTS
OVERALL ASSEMBLY ............................................................. 2
ELECTRICAL PARTS ................................................................ 4
CIRCUIT BOARD ...................................................................... 6
CIRCUIT DIAGRAM.................................................................. 7
WIRING..................................................................................... 8
SPECIFICATIONS..................................................................... 9
TRB-JP2
HAMAMATSU, JAPAN
TRB-JP2 (TDR)
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Yamaha TRB-JP2 Specifications

Fingerboard IconFingerboard
fingerboard materialEbony
fingerboard width at 0 fret56.0 mm
fingerboard width at 12 fret81.1 mm
number of frets26
Neck IconNeck
neck materialMaple
neck thickness at 1 fret21.0 mm
neck thickness at 12 fret23.5 mm
Controls IconControls
volume control resistance5 KΩ
balancer control resistance20 KΩ
equalizer control resistance50 KΩ (BASS, MID, TREBLE)
Weight and Dimensions IconWeight and Dimensions
scale length889.0 mm
length1200.0 mm
width353.0 mm
net weight5.2 kg
body depth43 mm

Summary

Overall Assembly Components

Neck Assembly and Hardware

Includes the neck, tuning machines, nut, bushings, strap buttons, and associated screws.

Body and Bridge Assembly

Covers the guitar body, bridge system, base, and piece assemblies.

Electronics and Wiring Components

Lists circuit board, battery box, jack, panel, pickups, and wiring hardware.

Accessories and Case

Details included accessories like cords, wrenches, battery, and the hard case.

Electrical Parts Listing

Capacitors and Resistors

Detailed list of various capacitors and carbon/metal film resistors used in the circuitry.

Semiconductors, ICs, and Diodes

Identification of diodes, transistors, and integrated circuits for signal processing.

Connectors, Coils, and FETs

Lists connectors for inputs/outputs, inductors, and field-effect transistors.

Variable Resistors (Potentiometers)

Potentiometers for volume and equalizer controls (Bass, Mid, Treble).

Circuit Board Details

Component Placement Diagram

Diagram showing the location of components on the circuit board (Component side).

Circuit Board Layout

Diagram illustrating the printed circuit board layout (Pattern side).

Circuit Diagram and Connections

Electronic Circuit Schematic

Detailed schematic diagram of the guitar's electronic circuitry.

Component Identification Key

Key for identifying capacitors, resistors, and other electronic components.

Wiring Diagram

Internal Wiring Layout

Diagram illustrating the internal wiring connections for pickups, controls, and output.

Technical Specifications

Standard Physical Specifications

Details scale length, body-neck construction, overall dimensions, and weight.

Materials and Finish

Information on body, neck, fingerboard materials and color finishes.

Hardware and Control Details

Specifications for hardware parts like nut, bridge, pickups, and control functions.

Chemical Content Warning

Important safety notice regarding lead in solder and other chemical content.

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