Yamaha UD-Stomp User Manual

UD-Stomp
1
SERVICE MANUAL
GA
011631
1.338K-476 Printed in Japan 2002.3
HAMAMATSU, JAPAN
CONTENTS
SPECIFICATIONS..................................................................... 3
PANEL LAYOUT ...................................................................... 4
CIRCUIT BOARD LAYOUT ...................................................... 6
WIRING..................................................................................... 7
BLOCK DIAGRAM.......................................................................... 8
DISASSEMBLY PROCEDURE ............................................... 10
LSI PIN DESCRIPTION........................................................... 13
IC BLOCK DIAGRAM ............................................................. 16
CIRCUIT BOARDS.................................................................. 18
TEST PROGRAM ................................................................... 26
ERROR MESSAGES .............................................................. 28
MIDI IMPLEMENTATION CHART......................................... 29
PARTS LIST
OVERALL CIRCUIT DIAGRAM
This document is printed on chlorine free (ECF) paper with soy ink.

Yamaha UD-Stomp Specifications

General

Type	Multi-Effects Processor
Effects	Delay, Modulation, Reverb
Programmability	Yes
MIDI	MIDI In/Out
Inputs	1 x 1/4" Input
Outputs	1 x 1/4" Output
Connectivity	MIDI In/Out
Dimensions	220(W) x 164(D) x 59(H) mm (8-5/8" x 6-1/2" x 2-3/8")