Circuit Diagram Main Pcb Assy - Roland HP-1 Service Notes

Mar, 2002
1 2 3 4 5 6
CIRCUIT DIAGRAM (MAIN PCB ASSY)
A
B
C
D
R6 D +5
10K NIU
R111
NIU
R9
10K
E
MIDI-Select
+ 5 + 5 R13
D D
R73 NIU
F CTS
R74
R75
10k R72
CN12 10k
D
10k
1 NIU
1
2
2
3 SW-1 RA2
3
4 SW-2 RXD1 4 5
4
5 SW-3 MIDI-IN 3 6
5
6 1MHz TXD1 2 7
6
7 RXD1 L7 N1608ZA@T01 NIU MIDI-OUT 1 8
7
8 TXD1 L5 N1608ZA@T01 NIU
G
8 EXBV8V@JV
9 RTS L6 N1608ZA@T01 NIU
9 220
CTS
10
10
11 MIDI-Select
11
C27
53014-1110
C28
C1
NIU C29
NIU
C20
NIU
C21
NIU NIU C22
NIU
C23
NIU
H D
NIU
NIU
+5
D
C45
ECEV-A@SR
10/16
I
D
SW-3
SW-2
+ 5
D SW-1
AN-4
CN3 AN-3
RA10 AN-2
1
1 EXBV8V@JV
2 AN-1
2 220
SCAN-C PB7 AN-0
3 4 5
3
4 SCAN-B 3 6 PB6
4
5 SCAN-A 2 7 PB5
5
J 6 LED-EN 1 8 PB4
6
7 DATA0
7
8 DATA1
8
9 DATA2
9
10 DATA3
10
53014-1010
C54 C55
ECEV-A@SR 0.1
10/16
K
C56 C57 C58 C59
D D
220p 220p 220p 220p
220p 220p 220p 220p
C60 C61 C62 C63
R70 + 5
NIU D
AN-3 NIU
R71
AN-4 NIU
L R19
NIU
R103
R114 10K
CN4 D D
R108
DATA-4--AD-VREF 0
4
4
3 DATA-5--AN-3
3
DATA-6--AN-4
2
2
1 DATA-7--AD-GND
1
C68
53014-0410 C69
220p
M C70
220p
C171
220p
220p
D
N
CN1 CN5
AMPC1_2720P NIU AMPC1.2720P
O MK0 1 20 T0 MK0 1 20 T0
BR0 2 19 T1 BR0 2 19 T1
MK1 3 18 T2 MK1 3 18 T2
BR1 4 17 T3 BR1 4 17 T3
MK2 5 16 T4 MK2 5 16 T4
BR2 6 15 T5 BR2 6 15 T5
MK3 7 14 T6 MK3 7 14 T6
BR3 T7 BR3 T7
8 13 8 13
MK4 9 12 MK10 MK4 9 12 MK10
BR4 BR10 BR4 BR10
10 11 10 11
For RES Contact Board TO KEYBOARD
P
(88 Keys)
(LEFT)
TP-30
LEFT
Q
CN7 CN6
AMPC1_2720P NIU AMPC1.2720P
MK4 1 20 T0 MK5 1 20 T0
BR4 T1 BR5 T1
2 19 2 19
MK5 3 18 T2 MK6 3 18 T2
BR5 T3 BR6 T3
4 17 4 17
MK6 5 16 T4 MK7 5 16 T4
R BR6 T5 BR7 T5
6 15 6 15
MK7 7 14 T6 MK8 7 14 T6
BR7 T7 BR8 T7
8 13 8 13
MK8 9 12 MK9 MK9 9 12 BR10
BR8 10 11 BR9 BR9 10 11 MK10
For RES Contact Board TO KEYBOARD
(88 Keys) (RIGHT)
RIGHT
TP-30
S
T
U
7 8 9 10 11 12
IC5
A15 1 19 D15
A14 I/O8
A14 D14
26 18
A13 I/O7
A13 2 17 D13
A12 I/O6
A12 23 16 D12
A11 I/O5
A11 21 15 D11
A10 I/O4
A10 24 13 D10
A9 I/O3
A9 25 12 D9
A8 I/O2
A8 3 11 D8
A7 I/O1
A7 4
A6
A6 5
A5
A5 6
A4
A4 7
A3
A3
8
A2
A2 9
A1
A1 RAM-POWER
10
A0
28
VDD
XRAM
20
CE C9
XHWR 27
R/W 0.1
D + 5 XRD
22 14
OE GND
TC55257DFL-55L
C184 0.1
256kbit SRAM
C6
0.1 IC7
MODEL SELECT A15 1 19 D7
C7 A14 I/O8
0.1 A14 26 18 D6
A13 I/O7
A13 2 17 D5
C8 A12 I/O6
0.1 A12 23 16 D4
A11 I/O5
A11 21 15 D3
+5 A10 I/O4
D A10 24 13 D2
D
A9 I/O3
D A9 25 12 D1
A8 I/O2
A8 D0
3 11
A7 I/O1
R5 IC6 A7 4
+ 5 A6
10K D A6
5
A5
A5 6
A4
PORT4 A4
75 97 7
MD2 PA4/A23/TIOCA1* A3
74 98 PORT5 A3 8
MD1 PA5/A22/TIOCB1* A2
PORT6 A2
73 99 9
MD0 PA6/A21/TIOCA2* A1
100 A1 10 RAM-POWER
PA7/A20/TIOCB2* A0
A19
62 56 28
STBY A19 VDD
D 55 A18 XRAM 20
A18 CE
R15 PB6 A17 XLWR
8 54 27
TXD2/TP14/PB6 A17 R/W
10k PB7 9 53 A16 XRD 22 14
RXD2/TP15/PB7 A16 OE GND
PB5 7 52 A15
SCK2/LCAS/PB5/* A15
51 A14 TC55257DFL-55L
D
A14 256kbit SRAM
13 50 A13
TXD1/P91 A13
15 49 A12 IC22
RXD1/P93 A12
17 48 A11 A18 17 45
IRQ5/SCK1/P95 A11 A17 A-1/DQ15
47 A10 A17 48 43
A10 A16 DQ14
12 46 A9 A16 1 41
R14 TXD0/P90 A9 A15 DQ13
14 45 A8 A15 2 39
RXD0/P92 A8 A14 DQ12
RTS 16 43 A7 A14 3 36
IRQ4/SCK0/P94 A7 A13 DQ11
A6 A13
42 4 34
A6 A12 DQ10
41 A5 A12 5 32
NIU A5 A11 DQ9
A4 A11
40 6 30
A4 A10 DQ8
39 A3 A10 7 44
A3 A9 DQ7
A2 A9
38 8 42
A2 A8 DQ6
37 A1 A8 18 40
A1 A7 DQ5
A0 A7
36 19 38
A0 A6 DQ4
A6 20 35
A5 DQ3
D15 A5
34 21 33
D15 A4 DQ2
33 D14 A4 22 31
D14 A3 DQ1
10 32 D13 A3 23 29
RESO D13 A2 DQ0
31 D12 A2 24
D12 A1
30 D11 A1 25 9
C44 D11 A0 NC
64 29 D10 10
15p D
NMI D10 D + 5 NC
28 D9 16
D9 A18
27 D8 XROM 26 13
X1 D8 CE VPP
66 26 D7 XHWR 11 37
MA-406@ EXTAL D7/P47 WE VCC
25 D6 XRD 28 C48
16.000MHz
D6/P46 OE
67 24 D5 47 ECEV-A@SR
XTAL D5/P45 BYTE
D4 FLASH-CT0
C46 23 14 10/16
D4/P44 WP
D D 12p 21 D3 RES 12 27
D3/P43 RP GND
D2
77 20 15 46
VREF D2/P42 RY/BY GND
4 5 85 19 D1
P77/AN7/DA1 D1/P41
D0 LH28F800BVE-BV85@
3 6 84 18
P76/AN6/DA0 D0/P40
2 7 83 D[0..15] 8Mbit Flash
P75/AN5
XHWR
1 8 82 71
P74/AN4 HWR + 5
4 5 81 72 XLWR R112 R113 D
P73/AN3 LWR
XRD 10K 10K
3 6 80 70
P72/AN2 RD
2 7 79 69 RA26
P71/AN1 AS
PORT7
1 8 78 58 EXBV8V@JV
P70/AN0 P60/WAIT
86 59 MODEL SELECT 10K
AVSS P61/BREQ
RA7 220 60 FLASH-CT1
EXBV8V@JV P62/BACK
RA9 220 61 PHAI
D
P67/FAI
4 5 PORT7 63 XRES
RES
3 6 PORT6 0
R20 R21 0
2 7 PORT5
1 8 PORT4 2 XCS7
CS7/TMO0/PB0/* R22
4 5 PORT3 96 3 XMUTE
PA3/TCLKD/TIOC* CS6/DREQ0/PB1/*
PORT2 NIU 1MHz
3 6 95 4
PA2/TCLKC/TIOC* CS5/TMO2/PB2/*
2 7 PORT1 94 5 FLASH-CT0
PA1/TEND1/TCLK* CS4/DREQ1/PB3/*
PORT0 XXPINT
1 8 93 88
PA0/TEND0/TCLK* P81/IRQ1/CS3 R4 0
89 XXP
P82/IRQ2/CS2
XKEY
220 90
RA11 P83/IRQ3/CS1/AD
91 XROM
EXBV8V@JV 220 P84/CS0
RA12 PB4
6
UCAS/TP12/PB4
87 KEYINT
P80/IRQ0/RFSH
RA13 C53 NIU
EXBE10C@J C71 C52 0.01
10K
HD6413006 C51 100p
D NIU
D
D
+ 5 + 5
D D
C72
0.1
C141 C142 C143 C144 C145 C146 C147
22p 22p 22p 22p 22p 22p 22p
RA16
C73
EXBE10C@J
6.8K 0.1
IC16
C148 C149 C150 C151 C152 C153 C154 9 10
22p 22p 22p 22p 22p 22p 22p 8 SSC1080
MK6 7 D
BR6 6
MK5 5
BR5 4 MK10 24 48
SC10 A1
MK4 3 BR10 23 47
PR10 A0
BR4 MK9
2 1 22
SC9
MK3 2 1 BR9 21
PR9
BR3 MK8
3 19 44
SC8 D7
MK2 4 BR8 18 43
PR8 D6
BR2 MK7
5 17 42
SC7 D5
MK1 6 BR7 16 41
PR7 D4
BR1 MK6
7 15 40
SC6 D3
MK0 8 BR6 14 39
PR6 D2
BR0 MK5
9 10 13 38
SC5 D1
BR5 12 37
PR5 D0
RA17
MK4 11
EXBE10C@J SC4
BR4 10
6.8K PR4
MK3 9 36
SC3 RD
BR3 8 35
PR3 WR
MK2 6 45
SC2 CS
BR2 5 34
PR2 INT
MK1 4
SC1
BR1 3
RA18 PR1
MK0 2 49
EXBE10C@J SC0 CLK
BR0
D 1
6.8K PR0
MK7 MK7 9 10
BR7 MK7 T7
8 31
T7
MK8 MK8 7 T6 30 50
T6 RESET
BR8 MK8 T5
6 29
T5
MK9 MK9 5 T4 28 51
T4 TEST1
BR9 MK9 T3
4 27 52
T3 TEST2
MK10 MK10 3 T2 26
T2
BR10 MK10 T1
2 1 25
T1
T0 9 10 T0 32
T0
T1
8
T2 7
T3 6
T4 5
T5 4
T6 3
T7 2 1 D
RA19
EXBE10C@J
NIU
D
C155 C156 C157 C158 C159 C160 C161 C162
22p 22p 22p 22p NIU NIU NIU NIU
C163 C164 C165 C166 C167 C168 C169 C170
22p 22p 22p 22p NIU NIU NIU NIU
13 14 15 16 17 18
A[0:19]
+5
D
R1
D1
0
RB420D
NIU
RAM-POWER
0.1 C178
R2 C2 0.1 C179
MCR50J@ NIU IC2C 0.1 C180
NIU 0.1 C181
TC7W00F
NIU 0.1 C182
0.1 C24
D
C3 0.1 C25
EECS5R5T473
0.1 C26
NIU
D 0.1 C30
D 0.1 C31
0.1 C33
0.1 C34
IC2B 0.1 C37
TC7W00F
D 0.1 C38
NIU
5 XRES
XRAM 3 1 D
6 7
2 XCS7 A13 27
CA13
A12 25
CA12
IC2A
A11 23
TC7W00F CA11
A10 21
NIU
R3 CA10
A9 22
CA9
A8 24
0
CA8
A7 26
CA7
A6
28
CA6
A5 29
+ 5 CA5
D A4
30
CA4
A3 31
R7 CA3
Q1 FLASH-CT1 FLASH-CT0 A2
1 32
RN2421 CA2
A1 34
1.5k CA1
VPP A0
R10 35
CA0
10k
C10 D15
36
R11 CD15
0.1 D14 41
C36 CD14
10K D13
0.1 47
CD13
D12 52
D CD12
D D11 55
CD11
D10 50
D
CD10
D9 46
CD9
D8 40
CD8
D15 D7 38
CD7
D14 D6 43
CD6
D13 D5 49
CD5
D12 D4 54
CD4
D11 D3 53
CD3
D10 D2
48
CD2
D9 D1 42
CD1
D8 D0
37
CD0
D7
D6
60
AS
D5
D4 XXP
58
CS
D3 XLWR 19
RW
D2 XRD
20
DS
D1
D0 57
WAIT
XXPINT 62
INT
3 1 5 7 64
IC13B
D + 5 CK
A19
TC7WU04F IC13A R23
VPP XRES 59
0
TC7WU04F C64 RESET
NIU R24
0
R25
EA8 147
1M C65 EA8
C49 EA7
R79 0.01 150
0.1 EA7
EA6 152
470 EA6
EA5
X2 154
EA5
MA-406@ 4 1 D D EA4 156
EA4
EA3
D 24.576MHz 155
EA3
EA2 153
C67 EA2
C66 ED[0..7] EA1
151
15p 15p EA1
EA0 148
EA0
IC14
ED7 39 26 EA8 ED7 130
D D DQ15 A8 ED7
ED6 EA7 ED6
38 25 135
DQ14 A7 ED6
ED5 37 24 EA6 ED5 136
DQ13 A6 ED5
IC13C ED4 36 23 EA5 ED4 137
DQ12 A5 ED4
6 2 ED3 34 22 EA4 ED3 138
DQ11 A4 ED3
ED2 33 19 EA3 ED2 139
DQ10 A3 ED2
TC7WU04F ED1 32 18 EA2 ED1 141
DQ9 A2 ED1
D ED0 31 17 EA1 ED0 142
DQ8 A1 ED0
10 16 EA0
D +5 DQ7 A0
9
DQ6
E-RAS
8 145
DQ5 RAS
R26 7 E-CAS 146
DQ4 CAS
E-WR
0 5 143
DQ3 EWE
4
DQ2
0
3
DQ1 +5
C77 IC13D 2 11 D
DQ0 NC
0.1 D + 5 D + 5
TC7WU04F C79 12
NC R28
0.1 15
NC
NIU
1 30
VCC NC
6 18
VCC SYI
D 20 14
VCC RAS
C78 28 16
UCAS SYO
ECEV-A@SR 21 29
VSS LCAS
10/16 35 13
VSS WE
40 27
VSS OE
65
TEST
D
M11B416256A-35J
D
D + 5
C105
0.1
R45
D
47k IC19
TC7S08F XPD
XMUTE 1
R63 100
MUTE-CTL
4
XRES 2
C129
R49
0 C111
0.1
100p
D
D D
R69
A1
A0 NIU
A[0..1]
D[0..15]
D15 IC20C
D14 XRES 2 6 7 1
D13
TC7W14F R64 IC20A
D12
D11 C130 100 TC7W14F C131
D10 0.01 100p
D9
D8 D D
XRD
XHWR
D + 5
XKEY
IC20B
KEYINT
5 3
IC20D
PHAI C140
TC7W14F TC7W14F
0.1
R44 0 D
XRES
D
C106
0.01
D
D
19 20 21 22 23 24
D +5 D 3. 3 +
C172 D 3. 3 +
NIU
IC23
XWOE XW3-OE
D
9 11
A8 B8
WA23 WA3-23
8 12
A7 B7
WA22 7 13 WA3-22
A6 B6
WA21 WA3-21
C32 0.1 6 14
A5 B5
WA20 5 15 WA3-20
A4 B4
WA19 WA3-19
C35 0.1 4 16
A3 B3
WA18 3 17 WA3-18 WA3-[1:23]
A2 B2
WA17 WA3-17
C39 0.1 2 18
A1 B1 R95
NIU
D 3. 3 + + R97 NIU
C40 0.1 19
G
1
DIR
IC9 D WA3-23 XWE-FLASH0
TC74VHCT245AFT
67 WA23 D D WA3-22 VSS-FLASH0
WA23
68 WA22 NIU
WA22
70 WA21 NIU
WA21 C173 + R99
69 WA20 D 3. 3 0
D
WA20 R101 NIU
71 WA19 NIU
WA19
73 WA18 IC24
WA18
95 WA17 D IC11
WA17
WA16 WA16 WA3-16 XWE-FLASH0
92 9 11 36
WA16 A8 B8 A22 O15/A-1
90 WA15 WA15 8 12 WA3-15 VSS-FLASH0 12
WA15 A7 B7 A21 O14
WA14 WA14 WA3-14 WA3-21
86 7 13 13
WA14 A6 B6 A20 O13
84 WA13 WA13 6 14 WA3-13 WA3-20 11
WA13 A5 B5 A19 O12
WA12 WA12 WA3-12 WA3-19
81 5 15 14
WA12 A4 B4 A18 O11
79 WA11 WA11 4 16 WA3-11 WA3-18 15
WA11 A3 B3 A17 O10
WA10 WA10 WA3-10 WA3-17
76 3 17 2
WA10 A2 B2 A16
74 WA9 WA9 2 18 WA3-9 WA3-16 3
WA9 A1 B1 A15
WA8 WA3-15
75 4
WA8 + A14
78 WA7 D 3. 3 19 WA3-14 5
WA7 G A13
WA6 WA3-13
80 1 6
WA6 DIR A12
82 WA5 WA3-12 7
WA5 A11
85 WA4 WA3-11 8
WA4 A10
87 WA3 TC74VHCT245AFT WA3-10 9
D D
WA3 A9
91 WA2 NIU WA3-9 10
WA2 A8
94 WA1 WA3-8 16
WA1 C174 D 3. 3 + A7
93 WA3-7 17
WA0 A6
NIU WA3-6 18
A5
99 WD15 IC25 WA3-5 19
WD15 A4 VCC
104 WD14 WA3-4 20
D
WD14 A3 VCC
109 WD13 WA8 9 11 WA3-8 WA3-3 21
WD13 A8 B8 A2
WD12 WA7 WA3-7 WA3-2
113 8 12 22
WD12 A7 B7 A1
116 WD11 WA6 7 13 WA3-6 WA3-1 23
WD11 A6 B6 A0
WD10 WA5 WA3-5
112 6 14
WD10 A5 B5 GND
108 WD9 WA4 5 15 WA3-4 XW3-CS0 24
WD9 A4 B4 CE GND
WD8 WA3 WA3-3 XW3-OE
103 4 16 27
WD8 A3 B3 OE/OE/DC GND
102 WD7 WA2 3 17 WA3-2 1
WD7 A2 B2 WORD/BYTE GND
WD6 WA1 WA3-1
107 2 18
WD6 A1 B1 +
111 WD5 uPD23C64040ALGY-743-MJH
WD5
WD4 D 3. 3 +
115 19
WD4 G
114 WD3 1
WD3 DIR
110 WD2
WD2
106 WD1
WD1 TC74VHCT245AFT
101 WD0 D D
WD0
NIU
126 WD[0:15]
WCS7
125
WCS6
124 XWCS0 1
WCS5
123 7 XW3-CS0 WA12 5 4 WA3-12 XWOE 5
WCS4
122 2 IC26A WA11 6 3 WA3-11 WA23 6
WCS3
TC7WH32FU WA10 WA3-10 WA22
120 7 2 7
WCS2
119 XWCS1 D NIU WA9 8 1 WA3-9 WA21 8
WCS1
XWCS0 XWCS1 WA8 WA3-8 WA20
118 5 5 4 5
WCS0
3 XW3-CS1 WA7 6 3 WA3-7 WA19 6
WA6 WA3-6 WA18
97 6 IC26B 7 2 7
WOE1
98 XWOE TC7WH32FU WA5 8 1 WA3-5 WA17 8
WOE0
NIU WA4 WA3-4 WA16
D 5 4 5
128 WA3 6 3 WA3-3 WA15 6
WREQ
D 3. 3 + D 3. 3 + WA2 WA3-2 WA14
129 7 2 7
WACK
WA1 8 1 WA3-1 WA13 8
13
OUTP2 R29 100 R94 0 +
10
OUTP1 RA21 0
14 C175
OUTP0 RA20 RA23 0
NIU 0
RA22 RA25 0
9 IC26C 0
WCKC R31 100 RA24 0
8 TC7WH32FU
BCKC
7 NIU
SDOD R32 100
5
D
SDOC
4
WCKB R34 100
3
BCKB
2
SDIB
175
SDOB
174
WCKA
173
BCKA + 5
D IC15 IC21
A 9 + uPC29L05T A + 5 A 9 + A
166 PQ05DZ1U
SDIA5
167 NIU
SDIA4
168 3 1 1 3
SDIA3 IN OUT IN OUT
169
SDIA2
170 C74 C76 2 4
SDIA1 OFF NC
172 0.1
ECEV-A@WR
SDIA0 C75
33/16
0.1
158
SDOA5
159 R30 A
SDOA4
MCR50J@
160 A
SDOA3 10
161
SDOA2
162
SDOA1
163
SDOA0
C80 R48
C183 C82
0.1 15K
ECEV-A@SR ECEV-A@WR
10/16
33/16
R50 R51 6.8k C112 220p
TC203C180AF(XP6)
10K
D D A
IC18 C114
C115
220p 6
-
7
R57 6.8k
R56
12 5
DEM1 +
11 24 10K IC17B
ECEV-A@SR
DEM0 DZFL C107
15 M5218AFP 10/16
DIF2 R62
14 19 C119
10/16
DIF1 AOUTL+ 220p
13 15K L 4.5V
DIF0 C110
18 10/16 A
AOUTL-
SD 7
SDATA C101
LRCK
8 17 10/16
LRCK AOUTR+
BCK 6 C104 10/16
BICK
R33
16
AOUTR- 15K
XPD 5
PD
9 23
SMUTE DZFR + 5 R35 R36
10 A
DFS 6.8k C83 220p
256/384FS 10K
4 21
MCLK VREF
3
CKS
R27 C91
MCR50J@ C92
220p 2
10 -
R38
10K 1
AK4324 6.8k
C113 3
+
0.1 IC17A
R37 ECEV-A@SR
M5218AFP
10/16
C100
R40
C118 R 4.5V 220p
D A
0.1 15K A
+
A 9
RES
-
C108
0.1
+
IC17C
M5218AFP
A
HP-1 MH/RW, HP-2e RW/LA
25 26 27 28 29 30
R96
NIU
+ R98 NIU
WA3-23 XWE-FLASH1
WA3-22 VSS-FLASH1
RA3 10k
R100 NIU EXBV8V@JV
RA5 EXBV8V@JV
D 10k
R102 NIU +
RA6 EXBV8V@JV 10k
RA8 EXBV8V@JV 10k
IC12
WD15 XWE-FLASH1 WD15 WD8
46 36 46 1 8
A22 O15/A-1
44 WD14 VSS-FLASH1 12 44 WD14 WD7 2 7
A21 O14
WD13 WA3-21 WD13 WD0
42 13 42 3 6
A20 O13
40 WD12 WA3-20 11 40 WD12 WD15 4 5
A19 O12
WD11 WA3-19 WD11 WD9
35 14 35 1 8
A18 O11
33 WD10 WA3-18 15 33 WD10 WD6 2 7
A17 O10
WD9 WA3-17 WD9 WD1
31 2 31 3 6
O9 A16 O9
29 WD8 WA3-16 3 29 WD8 WD14 4 5
O8 A15 O8
WD7 WA3-15 WD7 WD10
45 4 45 1 8
O7 A14 O7
43 WD6 WA3-14 5 43 WD6 WD5 2 7
O6 A13 O6
WD5 WA3-13 WD5 WD2
41 6 41 3 6
O5 A12 O5
39 WD4 WA3-12 7 39 WD4 WD13 4 5
O4 A11 O4
34 WD3 WA3-11 8 34 WD3 WD11 1 8
O3 A10 O3
32 WD2 WA3-10 9 32 WD2 WD4 2 7
O2 A9 O2
30 WD1 WA3-9 10 30 WD1 WD3 3 6
O1 A8 O1
28 WD0 WA3-8 16 28 WD0 WD12 4 5
O0 A7 O0
WA3-7 17
+ A6 +
WA3-6 18
A5
38 WA3-5 19 38 D
A4 VCC
37 WA3-4 20 37
A3 VCC
WA3-3 21
A2
WA3-2
C50 22 C47
A1
WA3-1 23
0.1 A0 NIU
48 48
GND
47 XW3-CS1 24 47
CE GND
XW3-OE
26 27 26
OE/OE/DC GND
25 1 25
WORD/BYTE GND
+
UPD23C128000LGY@MJH
NIU
D D
4 XW3-OE
D +5
3 WA3-23
WA3-22
2
1 WA3-21
WA3-20 R93 NIU + N1608ZA@T01
4 L3 0
3 WA3-19 RES
WA3-18
2
C4
1 WA3-17
WA3-16 1000p
4
+ 5
3 WA3-15 D
WA3-14 XWCS0 XW3-CS0
2 D
1 WA3-13 XWCS1 XW3-CS1 CN2
C117
1
R106 0 1
2
R107 NIU C116 2
ECEV-A@SR 3
3
0.1 4
33/16
4
5
5
6
6
7
7
53014-0710
D
MUTE-CTL
C5
L4 0 0.1
N1608ZA@T01
0.1
D
IC8
+ 5 D + 5 D 3. 3 + D + 5 D 3. 3 +
IC27 PQ3DZ53
UPC29M33T NIU
1 3 1 3
IN OUT IN OUT
4
C16 2
C14 OFF NC
ECEV-A@WR
0.1 C15
33/16
0.1
D
C13
ECEV-A@WR D
10/16
+ 5
D
C41
+5 +5
D R76 C42 D
100K C43 C176
R109
C177
R77 ECEV-A@WR
10K 0.1 R17
R78 33/16
100K 0.1 R85 10k
AN-0 100K 0.1 100 D
R84 100
AN-1 CN8
R83 100
AN-2 L1 N1608ZA@T01 0 1
R110 100 1
AN-4 L2 N1608ZA@T01 0 2
2
MIDI-IN 3
R46 3
MIDI-OUT 4
68k 4
SOSTENUTE 5
5
SOFT
6
6
DAMPER 7
7
8
8
D D PHONE-SENSE 9
9
LeftCh-Signal
10
10
AGND 11
11
RightCh-Signal
A 12
12
A+ 13
13
R41 A + 9 A-
14
14
68k
53014-1410
A - 9 D D D
C18 C19 C17
560p 560p 0.1
R104 R115 +
A 9
10k 10K
C81 C84
0.1 0.1
L 4.5V R 4.5V C102
C11 C12 0.1
ECEV-A@SR ECEV-A@SR
10/16 10/16
R105 R116
A
10k 10K
19