Block Diagram - Roland SH-201 Service Notes

May 2006

Block Diagram

fig.block@L
IC2
MIDI
OUT IN
MIDI_OUT
TXD0 TXD1
MIDI_IN
RXD0 RXD1
CPU
JK1
Bender
V850E/ME2
JK2
PEDAL
AN0-AN7
b
PORT
12.5MHz
CN5
4pin
LED
KNOBS
SW
f
SLIDERS
MUX
8 -> 1
CN1
PANEL-R BOARD
24
a
IC6 IC3 IC11
SDRAM NOR FLASH KEY SCAN
64Mbit 32Mbit S1L50282F26
16bit 16bit 8bit
16bit
IC7 IC34 IC35
EEPROM WSP SDRAM
8Kbit 64Mbit
14bit
IC22
CODEC
AK4552
MAIN BOARD
CN3
CN1
c 14pin d 34pin
CN1 CN3
Decoder LED
3 -> 8 SW
CN4
32pin
MUX
1 <- 8
PANEL-C BOARD
MSK-2 49Keys
IC27 IC28
+ 5
A D P V D A D P V
DC/DC DC/DC
X2
ADPV -> 5V ADPV -> -8V
16MHz A 8 -
1 4
16MHz
IC29 IC30
+ 5 + + 5
D D 3.3 D D + 1 5 .
Reg. Reg.
5V -> 3.3V 5V -> 1.5V
6MHz
1 4
IC13
TUSB3200
(Audio/MIDI) IC15
EEPROM
64Kbit
IC25 IC20
IC24 IC23
CN7
e 10pin
CN2
MASTER VOL INPUT VOL
g
CN2
D-BEAM
28pin
CN1
KNOBS
SLIDERS
PANEL-L BOARD
No. Part Code Part Name
a 04344834 FLAT CABE
b 03892945 WIRING 4X180-P2.0-PHR-PHR-F
c 04232090 BNCD-P=1.00-K-14-60 (MOONPO)
d 04232123 BAN CARD
e 04232134 WIRING
f 04232112 BNCD-P=1.00-K-32-160 (MOONPO)
g 04232101 BAN CARD
DC IN
D2
A D P V
SW2
2 1 1 2
JK10
USB
JK3
IC16
JK4
PHONES
JK5
OUTPUT
JK6
INPUT
JK7
LED
SW
Description
26WAY 170MM W/2 (FOR MSK-2)
BNCD-P=1.00-K-34-70
10X120-P2.0-PHR-PHR-F
BNCD-P=1.00-K-28-280 (MOONPO)
SH-201/SH-201C
Q'ty
1
1
1
1
1
1
1
25