Yamaha PSR-S970 Service Manual

HAMAMATSU, JAPAN
PK
001917
SERVICE MANUAL
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’15.07
SPECIFICATIONS ............................................................... 3
PANEL LAYOUT .................................................................. 5
CIRCUIT BOARD LAYOUT & WIRING ................................ 8
DISASSEMBLY PROCEDURE .......................................... 12
CIRCUIT BOARDS ............................................................ 21
TEST PROGRAM .............................................................. 38
INITIAL SETTING .............................................................. 54
PSR-S770 SYSTEM BOOTING FLOWCHART ................. 55
PSR-S970 SYSTEM BOOTING FLOWCHART ................. 57
PSR-S770 DMM CIRCUIT BOARD CHECK METHOD ............. 59
PSR-S970 DMH CIRCUIT BOARD CHECK METHOD ............. 61
RESETTING TO THE FACTORY-PROGRAMMED SETTINGS ............ 63
DATA BACKUP .................................................................. 64
VERSION UPGRADE ........................................................ 65
PARTS LIST
BLOCK DIAGRAM
CIRCUIT DIAGRAM
CONTENTS
DIGITAL WORKSTATION
PSR-S770
PSR-S970

Yamaha PSR-S970 Specifications

General

Polyphony	128 notes
Voices	989 Voices + 41 Drum/SFX Kits + 480 XG Voices
Fingering	Single Finger, Fingered, Fingered On Bass, Multi Finger, AI Fingered, Full Keyboard, AI Full Keyboard
Music Finder	Yes
One Touch Setting (OTS)	4 for each style
Display	7-inch TFT Color Wide VGA LCD
Keyboard	61 keys
Effects	Reverb, Chorus, DSP, Master EQ
Styles	450
Style Control	INTRO, MAIN VARIATION x 4, FILL x 4, BREAK, ENDING
Audio Recorder/Player	Recording: WAV (44.1kHz, 16bit, stereo); Playback: WAV (44.1kHz, 16bit, stereo), MP3
Internal Memory	Approx. 13 MB
External Drives	USB Flash Memory
Connectivity	Headphones, MIDI In/Out, USB to Device, USB to Host, AUX In
Speakers	13 cm x 2 + 5 cm x 2
Power Supply	PA-300C or an equivalent recommended by Yamaha