Roland S-550 Service Notes

JAN. 1988
S-550
S-B5D
SERVICE
NOTES
First
Edition
SPECIFICATIONS
DISK DRIVE
3.5" Micro Floppy
Disk Drive
:
Double density Double Track (2DD)
SAMPLING SYSTEM
Sampling Rate
:
30KHz/15KHz
Data
Format
:
12bits Linear
D/A Converter
:
16 bits
Sampling
Time
:
7.2sec x
4 (lA, IB, IIA, IIB)
@30KHz
Sampling
rate
:
14.4sec X 4 (lA, IB, IIA, IIB)
@15KHz
Sampling
rate
Wave
memory
:
384K
byte x 4
bank
INPUT MIC
:
-48dBm
LINE
:
— lOdBm
Recording Start Jack
:
OFF— SHORT
ON-OPEN
OUTPUT
MIX, 1—8
:
+2dBm
1
Voice
max
DISPLAY OUT
RGB TTL LEVEL HORIZONTAL
FREQ. 15.75KHz
MONOCHROME COMPOSITE
IV
P-P
EXT CONTROLLER
TTL LEVEL
DIMENSIONS
482 (W)
x400
(D)
x88
(H)
mm
19"
X 15-3/4" X
3-7/16"
WEIGHT
7.7Kg/17
lb.
POWER CONSUMPTION
32W
ACCESSORIES
Connection Cord (PJ-1)x
1
MIDI
Cable
1m
x
1
System Disk x 2\
in a set
Utility
Disk x
1
j
two
Mouse (MU-1)
Owner's manual
Guide Book
for
MIDI
(Part No. 23430675S0)
(Part No.
23485167)
(Part No.
22403129)
(Part No. 22433515)
OPTION
Remote
Controller
;
RC-100
RGB
Connection
Cable:
RGB
251 For 9 pin sub
RGB
Connection Cable:
RGB 25N
For 8 pin square
Pedal
Switch
DP-2,
BOSS FS-5U
3.5" Micro Floppy Disk
MF2DD
Sound
Library Disks L-501 to 509
I
Roland
(2nd
Printing
Nov.
1
988
B-2)
Printed
in
Japan BA-2LH
1
TABLE OF CONTENTS
S
da
Page
LOCATION OF CONTROLS
EXPLODED VIEW
MOUSE
(MU-1)
PARTS
LIST
BLOCK DIAGRAM
CIRCUIT DESCRIPTIONS
CHECKING
AND
ADJUSTMENT
CHANGE
INFORMATION
POWER
SWITCH BOARD
POWER
SUPPLY
BOARD
SWITCH BOARD
JACK BOARD
CPU BOARD
ANALOG BOARD
RGB
CABLE
RGB OUT
TIMING
CHART
1C
DATA
2
3
4
4,5
yny'^m
6
7-11
11-15
15
16
/N"7— tt77T.1f-K
16
17
17
CPU-T-K
18-21
22
RGB'^-7)U
23
23
ICx-7
24,25