Copyright (c) Yamaha Corporation. All rights reserved. PDF ’06.11ELECTRIC ACOUSTIC GUITARSENSOR PICKUPHAMAMATSU, JAPANSYSTEM57ASERVICE MANUAL011836EGSYSTEM57A: 20060901-115500SPECIFICATIONS .................................................. 2COLOR VARIATION ......................... 3PANEL LAYOUT ...................................... 4OVERALL ASSEMBLY .............................................. 5 CONTENTSSYSTEM57A(57-APX)APX900