Keyboard SW MATRIX
8MHz
RESET
SWX00
4.2V
CPU
CL1 IC1
LCD
DRIVER
SW MATRIX
STANDBY/ON
IC701
LCD
DISPLAY
LD701
LCD
BUCKLIGHT
CN1
CN102 CN701 CN702
CN701 CN911
CN911
CN1
TXD1, LSIIC, RXD1, SCLKI
PAD0~5, PDT0~7, 11, 12
C1~C16,
S1~S40
S-BUS D0~15, A0~20
C-BUS D0~15, A0~20
IC103
1
9
153 14
3
12 1
21
SW60
32
20
156
158, 163, 164
5~7
IC101
RXD0
TXD0
ADIN
CLOCK
DAC
8.4672MHz
CL001
DO0, WCLK, QCLK
IC501
LPF
EQ
POWER
AMP
PHONES/
OUTPUT
IC502
IC800
IC810
IC820
1
3
1521
17
12
147
7
7
2
6
2
5
6
CN101
CN601
CN101
CN601
JK620
JK630
JK900
JK640
CN820 1
2
1
2
CN810
IC820
IC810
+
+
+
+
3W x 2
CN501
CN501
CN801CN801
MASTER
VOLUME
MIDI I/F
IC601
+3.3V REG
Tweeter L
SUSTAIN
MIDI IN
MIDI OUT
DC IN
10-12V
BATTERIES
1.5V x 6
Tweeter R
SP-L 4
SP-R 4
IC102
+5V REG
IC930
+5V REG
IC920
+5V REG
IC940
+3.3D
+5D
+5V
8M ROM
PROGRAM
IC202
1M SRAM
IC302
1M SRAM
IC301
ROM2
32M ROM
WAVE
IC201
ROM1
+5V
CN910
DM
MK
MKS3
AM
PN(PNL, PNC, PNR)
LCD
PN(PW)
PN(VR)
28CA1-8816895
PSR-280/PSR-282
8
BLOCK DIAGRAM
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