Yamaha SPX50D Service Manual

DIGITAL
SOUND PROCESSOR
SERVICE
MANUAL
CONTENTS
(S'A)
SPECIFICATIONS
(|g-a-f±W
2
PANELLAYOUT
TO
I')
•
3
CIRCUIT BOARD
LAYOUT
(zl
~
y
h
U
T
T
't7>
)
4
BLOCKDIAGRAM (^ y
^ Y
T
A)
6
DIMENSIONS
(^>±[H)
6
LSI DATA
TABLE
(LSliffi^^#!*)
7
1C
BLOCK
DIAGRAM
(1C
yn
y^m)
10
CIRCUIT
BOARDS
12
DISASSEMBLY
PROCEDURE
16
TEST
PROGRAM
(y^hynyyA)
19
CHECKS
22
ADJUSTMENTS
(H^)
24
ERROR MESSAGES
(:c7-y
y-tz-y)
24
MIDI DATA
FORMAT
(
MIDI
y-y
y
^
-
v
y h
)
25
MIDI
IMPLEMENTATION CHART
27
PARTS
LIST
006865
YAMAHA
GORP
HAMAMATSU,
JAPAN
2.64K-313
Printed in
Japan
’88.6.

Yamaha SPX50D Specifications

General

Number of Effects	50
Sampling Frequency	44.1 kHz
Frequency Response	20 Hz - 20 kHz
Dynamic Range	100 dB
Power Supply	AC Adapter
Type	Multi-Effects Processor
Effects	Reverb, Delay, Modulation, Pitch, EQ
THD	0.05%
MIDI	In/Out