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SCHEMATIC DIAGRAM-12
C
CPC 2/2 CIRCUIT
IC4
CN3
C0BBDB000023
(8BIT MICROCOMPUTER)
1
SEG20
SEG20
2
SEG25
SEG25
SW0
3
SEG26
SEG26
4
SW10
SW10
5
SW11
SW11
SW12
6
SW12
SW1
SW13
7
SW13
+5IP
8
SW14
SW14
9
SW15
SW15
22
VDD
SW2
CM13
10
CM13
C13
CM14
11
CM14
0.047
12
PSW
PSW
21
VSS
SW3
13
+5D
+5D
VOL
VOL
14
X2
EFOEC4004T3
DE
15
19
XIN
SW4
R49
33K
R50
20
XOUT
SW5
0
R45 100
CPRST
25
RST
SW6
C14
0.047
+5P
R46
100
18
VREF
SW7
10
ID
C8
R47
R48
6V220
C12
10K
CM0
10K
6V47
5
SIN
DATA
4
SOUT
CM1
3
CLK
SCK
CM2
29
CNTR1
30
ROTA
CM3
31 ROTB
CM4
R40
1K
11 AD0
C11
CM5
0.047
W3
R70
1K
12 PWM
BEND
4
MOD
3
1K
R71
2
12 PWM
EXP
DE
1
R72
SEG0
1K
12 PWM
SEG1
SEG2
C16
C17
C18
SEG3
0.047
0.047
0.047
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
UNLESS OTHERWISE SPECIFIED:
SWITCHES ARE EVQ21507K,
DIODES ARE RVD1SS133TA.
+5P
SW201
SOUND
R56
10K
D201
D209
ARRANGER
SET
23
SW202
SOUND
D202
D210
R57
10K
ARRANGER
OFF/ON
24
SW203
D203
R58
10K
D211
SPLIT
POINT
42
SW204
AUTO PLAY
R59
10K
D204
D212
CHORD
MODE
1
SW205
AUTO PLAY
R60
10K
D205
D213
CHORD
ON/OFF
26
D214
R61
10K
27
R62
10K
D215
28
CM0
D216
R63
10K
2
Q6
2SA830STPB
D301
LNJ382GKGX02
R51
10K
SOUND
9
Q7
ARRANGER
2SA830STPB
SET
D309
LNJ282RKRX02
R52
10K
POP
Q8
8
ROCK
2SA830STPB
D317
LNJ282RKRX02
R53
10K
Q9
SIMPLE
7
2SA830STPB
BEET
D325
LNJ282RKRX02
R54
10K
Q10
JAZZ &
6
2SA830STPB
SWING
R55
10K
17
16
34
A
35
B
36
C
37
D
38
E
39
F
40
G
41
15
IC5
32
C0JACB000006
33
(HEX BUFFERS)
SW217
D217
D225
SW209
SW225
JAZZ &
LCD.L1
POP
SWING
SW218
SW210
D218
D226
SW226
BALLROOM
ROCK
& SHOW
LCD.L2
SW211
SW219
D219
D227
SW227
DANCE
LATIN &
POP
WORLD
LCD.L3
SW220
SW212
RHYTHM
D220
D228
DANCE
SW228
GROUP
POPBALLAD
LCD.L4
MEMORY
SW213
SW221
D221
D229
SW229
SIMPLE
MUSIC
BEET
LCD.L5
STYLIST
SW222
SW230
SW214
D222
D230
ONE TOUCH
DANCE
OTHER
PLAY
CLUB
PARTS/TR
D223
D231
SW215
SW223
SW231
FAVORITES
USA
FADE IN
SW216
D224
D232
SW224
TRAD &
SW232
WALTZ
CONTRAST
FADE OUT
D302
D303
D304
LNJ382GKGX02
LNJ382GKGX02
LNJ282RKRX02
SOUND
AUTO PLAY
AUTO PLAY
ARRANGER
CHORD
CHORD
OFF/ON
ON/OFF
MODE
D310
D312
D311
LNJ282RKRX02
LNJ282RKRX02
LNJ282RKRX02
ROCK
BALLAD
DANCE
POP
D318
D319
D320
LNJ282RKRX02
LNJ282RKRX02
LNJ282RKRX02
DANCE
TRAD &
USA
CLUB
WALTZ
D328
D326
D327
LNJ382GKGX02
LNJ282RKRX02
LNJ282RKRX02
RHYTHM
BALLROOM
LATIN &
GROUP
& SHOW
WORLD
MEMORY
D334
D335
D336
LNJ282RKRX02
LNJ282RKRX02
LNJ282RKRX02
VARIATION 2
VARIATION 3
VARIATION 4
SEG20
R69
R68
R67
R66
R65
R64
+5P
68
68
68
68
68
68
C15
0.047
14
12
10
8
6
4
2
VCC
GND
7
13
11
9
5
3
1
F
E
D
C
B
A
SEG26
SW10
D234
SW234
VARIATION 2
SW11
D235
SW235
VARIATION 3
SW12
D236
SW236
VARIATION 4
SW13
SW237
D237
TEMPO/
PROGRAM DOWN
SW14
SW238
D238
TEMPO/
PROGRAM UP
SW15
D239
SW239
FADE IN 1
D240
SW240
FADE IN 2
D305
LNJ282RKRX02
OTHER
PARTS/TR
D313
D314
LNJ282RKRX02
LN382GPXVTX3
FADE IN
FADE OUT
D321
D322
LNJ282RKRX02
LNJ282RKRX02
FADE IN 1
FADE IN 2
CM13
D329
LNJ382GKGX02
MUSIC
STYLIST
CM14
D337
LNJ382GKGX02
TEMPO/
PROGRAM
SEG25
SX-KN2600 CPC 2/2 SCHEMATIC DIAGRAM
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