A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
CLP-970/CLP-970C/CLP-970M/CLP-970A/CLP-970AC/CLP-970AM
CLP-970/CLP-970C/CLP-970M/CLP-970A/CLP-970AC/CLP-970AM
CLP-970/CLP-970C/CLP-970M/CLP-970A/CLP-970AC/CLP-970AM
OVERALL CIRCUIT DIAGRAM (DM, SWX, A-JACK, D-JACK)
WARNING
Components having special characteristics are maked
and must be replaced with parts having specification equal to
those originally installed.
DM
to SWX-CN1
FDD
MAIN CPU
DECODER
FLASH ROM
DRAM
DRAM
EPROM
EPROM
OR
FDC
D-FF
DAC
DAC
OP AMP
OP AMP
OP AMP
REG5V
REGURATOR -5V
GATE ARRAY
M12
REG3.3V
REG3.3V
DECODER
to C2
to E5
to C2
to G3
to G4
to F3,4
to F6
to E2
to B6
to B6
to B6
to C5
to E2
to B2
to B2
to C2
to C2
to C5
to C5
to C5
to C5
to C2
to B2
to C5
to H5
to H2
to H2
to G2
to B5
to B5
to B7
to B7
to B5
to B5
to H2
SWX-XG,A,C,E,F
to DM-CN10-16
( : installed : not installed)
TG SWX
WAVE ROM 1
WAVE ROM 2
WAVE ROM 3
WAVE ROM 4
DRAM 4M
SRAM 256K
SRAM 256K
PROGRAM RAM
DECODER
A-JACK
OP AMP
OP AMP
OP AMP
EQUALIZER
OP AMP
D-JACK
PHOTO COUPLER
LINE FILTER
INVERTER
NJM79M12FA (XD343A00)
REGULATOR -12V
1
2
3
1: OUTPUT
2: INPUT
3: COMMON
1:OUTPUT
2:COMMON
3:INPUT
3
2
1
MJM78L05UA(XJ598A00)
REG5V
NJM78M12FA(XJ602A00)
REG12V
1 : OUTPUT
2 : COMMON
3 : INPUT
1
2
3
1:
COMMON
2:
INPUT
3:
OUTPUT
NJM79L05UA (XN086A00)
REGULATOR -5V
3
2
1
1 2
3
1: INPUT
2: GND
3: VOLTAGE adj
SI-305N (XQ437A00)
REG5V
1
2
3
1: INPUT
2: GND
3: VOLTAGE adj
M5237L (XQ667A00)
REG5V
1:V in
2:GND
3:V out
3
2
1
µ
PC2933T (XS516A00)
REG3.3V
11ES4 (VB481900)
DIODE
S1NB20 (VR253700)
DIODE STACK
D5SBA20 6.0A (VK421800)
D3SBA20-4103 4.0A
(VQ111500)
DIODE STACK
1: ANODE
2:CATHODE
to PNL-CN102
to PNR-CN202
to FDD
to MA120-CN4
to KSN2-CN3
to PNL-CN101
to MA120-CN6
to HP-CN1
AUX IN L/L+R
AUX IN R
AUX OUT L/L+R
AUX OUT R
to HOST COMPUTER
MIDI THRU
MIDI OUT
MIDI IN
DM: 28CC1-8815522
SWX: 28CC1-8815523
1
A-JACK: 28CC1-8815733
D-JACK: 28CC1-8815738
PEDAL
to MA120
-CN3
PEDAL
AUX PEDAL
Note : See parts list for details of circuit board component parts.
Note: Model equipped with “A” has no floppy disk drive.