P-120/P-120S
P-120
P-120
BLOCK DIAGRAM
KEYBOARD
GHD
KSN2
4KHz
TR Array
Drv Array
3-8
DEC
LED
MATRIX
SWITCH
MATRIX
SELECTOR
MIDI
I/F
MIDI
HOST
Jack
PEDAL
Jacks
X2
4M
DRAM
HEAD
PHONES
Jacks
X 2
AUX OUT
Jacks
X 2
LEVEL
FIXED
DC-IN
MUTE
RELAY
Pole SW
2.5A
LINE
FILTER
Electrolytic
Cap.
+12V
REG.
MUTE
RELAY
H.P
AMP
MASTER
VOLUME
&
BRILLIANCE
SWX00B
(SLAVE)
DAC
18Bit
+5V
REG.
I/V
LPF
EQUALIZER
RESET
+3.3V
REG.
+5V
REG.
BACK
UP
SUPER
CAP.
CMOS
I/V
256k
SRAM
X 2
SWX00B
(MASTER)
+12V
REG.
STANDBY
SW
Clock
8.4672MHz
VCC
+3.3V
GND
RESET
MODE0
CUB,CLB
CMA(1-20)
CMD(0-15)
SMA(1-22)
SMD(0-15)
CMA(1-20)
CMD(0-15)
CS1,CS0,CRD
MODE1
SOE
SOE
SMA23
SMA23
CS0,CRD
CS2,CWE,CRD
MEL,MIX,SYW
LSIIC
CMA(0-10)
CMD(8-15)
DACLR
SYSCLK
WCLK,QCLK
PCM69AU
+12V
+12V
+12V
+B
+V
+V
+12V
+12V
MODE1
MODE0
+3.3D
DMA(1-8)
DMD(0-15)
DRAS,DCAS
DWE
1MCLK
RCMAC
MIDIRX
MIDITX
AUXPEDAL, PEDAL
SUSTAIN
DRV(1-8)
P_LD(1-8)
P_SW(2-7)
P_DR(5-7)
+5D
+5D
+5D
+5D
+5D
VCC
IC24,31
+3.3V
+3.3D
+3.3D
RESET
To Host
OUT
IN
28CA1-8821527
SPEAKERS
L ch
R ch
AC Socket(100V~230V)
+12V
+12V
+12V
+12V
3
1
+5D
+V
256k
SRAM
X 2
16M
ROM
(PROGRAM)
D1
128M
ROM
(WAVE)
POWER
AMP
+B
1
1
5
2
4
32
32
32
24
24
27
36,37
1
3
14
18
15
2,7
14
13
1
3
6
3
1,3,5,
7,9,
11,12
11,13
22,24
29
9
10
46,88,93
150,153,154
90,95
D
41
74
C
B
41
1,20
14-16
74
129
158,159,163
88,101,132
2
2
125-127
135-142
145-151
14,20,22,153
43,44,101
1,6,22
1
150-152
154,156,166
1-3
1-8
11-18
7,9-15
2,4,
7,9
2,3,
5,6
2,3,5,6
5,6,7,8
1,7
1,7
1,7
3,5
1,3
2
8
15,16,30,31
21,129,154,155
A
K
75,76,79-87,89,96-99,
102-118,121-123
E
G
F
H
I
J
81-87,89,106-118,
121-123
23-34,37-40,47,48,
51-59,62-74
A:
81-87,89,94,98,99,106,108,110,112,114,116,118,122
B:
7,35,49,61,77,91,148
C:
8,36,50,60,78,92,100,120,134,144,148,162
D:
23-34,37-40,48,51-59,62-73
E:
2-15,17-21,23,25-28,31
F:
1-10,14-21,23-30,32-42
G:
2-23,28-36,39-46
H:
1-5,7-10,18-21,24-27,35-38,40-44
I:
8,36,50,60,78,92,100,120,134,144,148,162
J:
7,35,49,61,77,91,147
K:
125-132,135-142,145-147
128
11
6
3