Roland U-220 Service Notes

Oct.
1989
U-220
U-SBD
RS-RCM SaUNiD
MODULE First
Edition
SPECIFICATIONS/tt^
SOUND GENERATOR RS-PCM Sound
Generation
Maximum
Simultaneous Notes
:
30 Notes
MEMORY
CAPACITY
Internal
ROM
:
3 Mbyte (128 Tones)
PCM
Card
:
512 Kbyte x 2 Slots
DISPLAY 2
Line
24
Character (with backlight)
MIDI
IN,
OUT,
THRU
OUTPUT
PHONES
Level
+ lOdbm
Impeadance
100Q
MIX,
DIRECT
OUT
Level
+6dbm
Impeadance 1.7KQ
POWER CONSUMPTION
20W
DIMENSIONS 482
(W) x 358 (D) x 45 (H)
mm
19" (W)
X 14-1/8"
(D)
X 1-3/4"
(H) inch
WEIGHT 4.4Kg
/
9
lb
1 1
oz
ACCESSORIES Connection
Cable (2.5m)
(23430675S0) x
1
MIDI Cable (1m) (23485228)
x
1
Owner's
Manual
Set x
1
English
(26035365)
Japanese (26035364)
OPTTIONS Sond
Library
SN-U110
series
Stereo
Headphones RH-100
Connection Cord
PJ-1M
MIDI/SYNC
Cable
MSC-
07/ 15/25/50/ 100
TABLE OF CONTENTS
SPECIFICATION
EXPLODED
VIEW
PARTS
LIST
BLOCK DIAGRAM
MAIN
BOARD
PHONES BOARD
SWITCH BOARD
CARD BOARD
POWER SUPPLY BOARD
TEST
MODE
IDENTIFYIN VERSION
NUMBER
1.LCD
Contrast Test
&
MIDI
LED
Test
2.lnterna
RAM
Test
3.PCM Card Test
4.
1
NT PCM ROM
Test
5.Switch Test
6.
MIDI Test
7.
DAC MSB
Adjust
8.Sound
Test
(1)
9.Sound
Test
(2)
10.
Effect Test
11.
Memory
Initialization
12.
Factory Data Load
Bulk
Dump
(Note
:
Please read before
servicing.)
1C
DATA
CHANGE INFORMATION
S
'X
Page
i±m
1
^mm
2
3
5
^ ymWi
6,
7
^
—
y
SIS
7,
8
X-T':/5"SIS
7,8
:^-KSIS 7,8
8
•T'
X
F K
9-16
/ S'—
V
3
V
• d"
'C—
(9)
1.LCD Contrast Test
&
MIDI
LED
Test
(10)
2.lnternal
RAM
Test
(10)
3.PCM Card Test
(11)
4.INT
PCM ROM
Test
(11)
5.Switch Test
(12)
6.
MIDI Test
(12)
7.
DAC MSB
Adjust
(13)
aSound
Test
(1)
(13)
9.Sound Test
(2) (14)
10.
Effect Test
(15)
11.
Memory
Initialization (16)
12.
Factory Data Load
(16)
/ijuCf
•
9"yzf
16
\C9'-^
17
^MUl^
18
Specifications are subject to change without
notice.
LCD Cover
(22045226)
LCD
Unit
DM047Z-7BL7
(15029505)
LED
SLB-15MW3F
(15029266)
Button/
LED
Guide
(22135611)
Jack (Stereo)
YKB2 1-5009
(13449148)
Knob
(22485149)
Potentiometor
EVU-N9AP15A14
lOkA
(13279881)
Keytop
(S)
Dual
(22495210)
Card Holder
(22200188)
Power
Button
(22495565)
Arm
(2214021900)
Sleeve
(22150404000)
Socket
MIDIS-
NS
(13429168)
Top Cover
(22023376)
AC
Cord
A
(100V
A
(117V
A
(220V
A
(240VE
A
(240VA
23495171)
23495172)
23495173)
23495174)
23495175)
Bottom Cover
(22025468)
Jack (mono)
YKB21-5012
(13449146)
Switch
SSSJ12
(13159167)
fS
Roland
Printed
in
Japan BA-2 (DP) Copyright
©
1989 by
ROLAND CORPORATION