Yamaha Electric Bass Owner's Manual
Contents
1. YAMAHA ELECTRIC BASS OWNER S MANUAL CONTENTS CARE AND MAINTENANGE rnnt nns 2 TUNING MACHINE TENSION ADJUSTMENT 3 SETTING THE STRING ACTION Su a S eerte 4 INTONATION ADJUSTMENT teaches 5 PICKUP HEIGHT ADJUSTMENT enn 6 TRUSS ROD ADJUSTMENT eene 6 CORRECT USE AND HANDLING OF BATTERIES 7 Congratulations on your choice of the Yamaha electric bass With reasonable care your Yamaha electric bass will age gracefully and provide many years of superlative musical service CARE AND MAINTENANCE When connecting or disconnecting cables turn off the ampli fier and other equipment or reduce the volume After playing wipe the entire guitar down including strings with a good polishing cloth This will remove corrosive skin oils and acids and protect the plating finish and strings Avoid exposing the guitar to direct sunlight and extremes of heat and humidity TUNING MACHINE TENSION ADJUSTMENT The tuning machines have spring loaded mechanisms which Clockwise rotation tightens the machine The tuning machines automatically take up wear preventing backlash However it is should be adjusted to the extent that they are firm but can turn possible to adjust the amount of pressure required to turn the smoothly This adjustment is normally unnecessary and exces machines Each machine has a tension adjustment screw as2. Sive tightening can lead to premature tuning machine wear illustrated Loosen Tighten Loosen SETTING THE STRING ACTION Set one end of the 15cm rule on top of the Final fret with the flat side of the rule against the string and measure the space be tween the top of the Final fret and bottom of each open string The recommended height for each string should be as above Individual height adjustments for each string are provided in the form of two set screws on each saddle Clockwise rotation raises saddle height and counter clockwise lowers the saddle STRING 4 string 5 string 6 string TUNING HEIGHT bass bass bass 1st High C 2 6 mm 1st 1st 2nd G 2 7 mm 2nd 2nd 3rd D 2 8 mm 3rd 3rd 4th A 2 9mm 4th 4th 5th E 3 0 mm 5th eth Low B 3 1 mm Height adjustment NOTE Be sure to perform any necessary adjustments to the truss rod before performing the following adjustments INTONATION ADJUSTMENT When the string gauge and or bridge height is changed or the truss rod is adjusted it is usually necessary to reintonate the bridge saddles If the bass plays out of tune in the higher registers this adjustment is needed Check each string in the following way To check intonation compare the harmonic tone 12th fret to the fretted tone 12th fret Because the 12th fret is the midway point between the nut and the bridge a harmonic tone
3. one octave higher than the fretted tone can be generated This is done by barely touching the string directly above the 12th fret left hand and simultaneously plucking the same string right hand If the fretted tone is exactly the same pitch as the har monic tone no adjustments to the bridge saddles are neces sary However if the fretted tone is higher in pitch sharp or lower in pitch flat than the harmonic tone apply the appropri ate adjustment as shown below Repeat the same procedure for each string If the fretted note is pitched higher than the harmonic turn the corresponding saddle adjustment screw clockwise increasing the active string length Conversely if the fretted note is pitched lower than the har monic turn the corresponding saddle adjustment screw counter clockwise reducing the active string length When lower than harmonic IN When higher than harmonic PICKUP HEIGHT ADJUSTMENT TRUSS ROD ADJUSTMENT Proper pickup adjustment ensures maximum output level and uniform response on all strings To make adjustments follow the directions below Using your left hand depress each string at the last fret while setting one end of the 15cm rule on top of the pickup section directly under each string The flat side of the rule should be against the string The space between the bottom of each string and the top of the corresponding pickup section should be 2mm Pickup adjustme
4. nt screws Pickup adjustment screws The curvature of the neck should be slightly concave Clockwise rotation of the nut tightens the rod and corrects for too much concave bow Counterclockwise rotation of the nut loosens the rod and corrects for too much convex bend Make any adjustments gradually Allow five to ten minutes for setting and check the curvature after each 1 2 turn of the truss rod nut If too much If too much fi convex bend concave bow u concave Er convex NOTE Unless you have experience with truss rods we sug gest that you entrust this adjustment to your dealer CORRECT USE AND HANDLING OF BATTERIES Battery GLR61 9V S 006P Battery When these run out don t just G 6LR61 9V throw them away but dispose of lt 7 X S 006P them as minor chemical waste When changing batteries pay close attention to the polarity markings as shown in the illustration above SERVICE If your guitar should need any parts or service or if you need any information including the address of your nearest YAMAHA dealer contact RARAS wwe RnR REEE YAMAHA CORPORATION OF AMERICA Guitar Service Department 6600 Orangethorpe Avenue Buena Park Calif 90620 Calif U S A TEL 714 522 9433 YAMAHA EUROPA G M B H 2084 Rellingen b Hamburg Siemensstr 22 34 Germany TEL 04101 30 30 YAMAHA KEMBLE MUSIC U K LTD Sherbo
5. urne Drive Tilbrook Milton Keynes MK7 8BL England TEL 0908 366 700 YAMAHA MUSIQUE FRANCE S A Parc D activit s De Paris Est Rue Ambroise Croizat 77183 Croissy Beaubourg France TEL 64 61 4000 YAMAHA CANADA MUSIC LTD 135 Milner Avenue Scarborough Ontario MIS 3R1 Canada TEL 416 298 1311 YAMAHA DE MEXICO S A DE C V Apdo Postal No 28 207 Mexico 1 D F Mexico TEL 686 0033 YAMAHA MUSIC LATIN AMERICA CORP 6303 Blue Lagoon Drive Suite 330 Miami Florida 33126 U S A TEL 305 264 2581 YAMAHA SCANDINAVIA A B Box 300 53 400 43 G teborg Sweden TEL 031 496090 HERR WRIA Msp Y AMAHAAHIBTIE 3 Z IK A YAMAHA HAZEN ELECTRONICA MUSICAL S A Jorge Juan 30 28001 Madrid Spain TEL 593 2554 YAMAHA MUSICA ITALIA S P A Viale Italia 88 20020 Lainate Milano Italia TEL 2 93577 1 YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 Market Street South Melbourne Vic 3205 Australia TEL 699 2388 TEGERE PE RAARAA LYRE THT EZ PA BE WA BR 1468 5 HERA 82595200040 TEL 021 6247 2211 YAMAHA CORPORATION P O Box 1 Hamamatsu Japan QC69320 Printed in China
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