Casio CTK-691 Service Manual

CONTENTS
Page
Specifications ............................................................................................................................................ 1
Block Diagram ........................................................................................................................................... 3
Circuit Description ..................................................................................................................................... 4
Printed Circuit Boards ............................................................................................................................... 5
Disassembly .............................................................................................................................................. 8
Diagnostic Program................................................................................................................................. 14
Schematic Diagrams ............................................................................................................................... 17
Exploded View ........................................................................................................................................ 22
Parts List ................................................................................................................................................. 23

Casio CTK-691 Specifications

General

Number of Keys	61
Display	LCD
MIDI	Yes
Power Supply	AC Adapter or Batteries
Rhythms	100
Keyboard	Touch Response
Speakers	12 cm x 2
Effects	Reverb, Chorus
Song Memory	5 songs
Connections	MIDI In/Out
Polyphony	32 notes