GEM Equinox Pro, Service Manual

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GENERALMUSIC S.p.A. Italy
SCHEMATIC DIAGRAM
EQUINOX
Vocal Processor Board Pcb Layout
DRW: BOCCATO
APP: PANNELLI REV: 25-05-98
DISK: 65 PART: 1/1 CKD: RICCOBELLI ALL RIGHTS ARE RESERVED, NO COPIES
OR REPRODUCE THIS DOCUMENT WITHOUT
WRITTEN CONSENT BY GENERALMUSIC.
VOCAL PROCESSOR BOARD (PCB#315109)
DWG: 315109
A1
D16
D24
D17
D25
D18
D26
D19
D27 D20
D28
D21
D29
D22
D30
D23
D31
A19
A21
A20
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
A19
A20
A21
A1
DRW
CKD
APP.
DWG#
SCHEMATIC DIAGRAM
PCB#
DSK#
REV:
PART: ALL RIGHTS ARE RESERVED, NO COPIES
OR REPRODUCE THIS DOCUMENT WITHOUT
WRITTEN CONSENT BY GENERALMUSIC.
GENERALMUSIC S.p.A. ITALY
+5V
+5VC
+5V
+5V
+5VC
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V +5V
+18V
+5V
+18V
-18V
+5V
+5V
+5V
+5V +5V
+5V
C29 470P
R20
4K7
C16
10N
5
6
AR5-C 4K7 X4
C2
47P
R14
100E
C33 470P
C42
47P
R15 33E
C24 470P
1
4
5
6 8
3
7
2
RESET
VCC
GND
RST
NC
NC
NC
NC NC
IC4 MAX709
C25 470P
C34 100N
C31 100N
C35 10U
C32 10U
C23
22N
R4 2K2
R10
390E
R5 1K
C18
47P
12 11
13
IC3-D 74HC125D
D1 4148
9
10
8
IC9-C 74HC00
1
2
3
IC9-A 74HC00
R6
1K
C13
47P
D2 4148
R3 2K2
C22 1U
C6 1U
3 4
1 2
5 6
7 8
AR2 33E X4
XT1 16MHZ
18
17
23
26
3
2
1
28
11
12 10
14
8
7
21
22
6
27
15
19
CLK
VinR
VinL
VrefL
VrefR
LRCK
WCLK
BCLK
RST
Sout
CAPR1
CAPR2
RDEDGE
MSBDLY
RLJUST
S/M
384/256
TAG
CAPL1
CAPL2 SIGMA DELTA A/D CONVERTER
IC6-A AD1877
R7
1K
8 7 AR3-D 33E X4
2 3
1
IC3-A 74HC125D
R90 33E
9 8
10
IC3-C 74HC125D
9
10
8
IC10-C 74HC32
6 5
AR3-C
33E X4
R36 1M
R37
100E
3 4 AR7-B 4K7 X4
3 4 AR20-B 4K7 X4
J1
R24 33E
1 2
AR5-A
4K7 X4
12
13
11
IC10-D 74HC32
7
8
AR5-D 4K7 X4
4 3 AR3-B 33E X4 7 8
AR8-D
33E X4
5
6
AR20-C 4K7 X4
5 6
AR8-C
33E X4
1
2
AR17-A 4K7 X4
1
5 2 4 3
AC2 47P X4
3 4
5 6
7 8
1 2
AR1 33E X4
1
2 3 5 4
AC1 47P X4
3
2
1 4
6
5
CK
D
R S
Q
Q
D FF
IC2-A 74HC74
4
5
6
IC9-B 74HC00
4
5
6
IC10-B 74HC32
5 6
4
IC3-B 74HC125D
1
2
3
IC10-A
74HC32
R8 1K
15
14
13
12
11
10
9
7
4
5
6
3
2
1
O0
O1
O2
O3
O4
O5
O6
O7
1 OF 8 DECODER
A0
A1
A2
E3
E2
E1
IC1-A 74AC138
4
3
AR8-B
33E X4
2 1 AR8-A 33E X4
C107
22P
122
121
120
119
118
117
114
113
112
111
110
109
108
107
106
105
5
4
3
2
126
125
124
123
128
41
1
103
104
47
48
49
50
51
52
57
56
54
60
35
55
59
53
38
45
46
6
8
10
11
14
37
40
42
24
23
26 9
7
101
100
99
98
97
96
95
94
93
89
88
87
86
85
84
83
82
81
80
78
77
76
75
74
34
33
32
31
30
29
22
21
20
19
18
17
16
15
67
65
63
61
62
64
66
69
71
72
70
68
36
39
IAD0
IAD1
IAD2
IAD3
IAD4
IAD5
IAD6
IAD7
IAD15
IS
IACK
IAL
IWR
IRD
PF0
PF1
PF2
PF3
PF4
BMODE
MMAP
EINT
BR
BG
EBG
EBR
ELOUT
ERESET
EMS
ECLK
ELIN
A0
A1
A2
A3
D23
RD
BMS
DT1/F0
EE
DR1/F1
A4
A5
A6
A7
A8
A9
A10
IAD11
IAD12
IAD13
IAD14
RESET
PF5
PF6
PF7
TFS1/IRQ1
SCLK0
RFS0
RFS1/IRQ0
WR
TFS0
IRQL1
A13
A12
FL1
D4
D3
D2
D1
D0
A11
FL0
FL2
SCLK1
DR0
IAD8
IAD9
IAD10
DT0
IRQE
IOMS
DMS
CMS
PMS
PWD
PWDACK
BGH
CLKIN
XTAL
CLK0UT
D20
D21
D22
D19
D10
D11
D12
D13
D14
D15
D16
D18
D5
D6
D7
D9
D8
IRQ2
IRQL0
D17
ADSP2181
IC17-A ADSP2181
7 8 AR20-D 4K7 X4
3 4 AR17-B 4K7 X4
6 5 AR17-C 4K7 X4
7
14
IC8-C
74HC74
7 8 AR17-D 4K7 X4
8 7 AR7-D 4K7 X4
C17
100N
8
16
IC1-B
74AC138
C57
100N
C43
100N
C64
100N
C44
100N
1 2 AR7-A 4K7 X4
C76
100N
5 6 AR7-C 4K7 X4
C3
100N
C26
22N
R9
390E
C15
100N
7
14
IC3-E
74HC125D
7
14
IC2-C
74HC74
11
12
13 10
8
9
CK
D
R S
Q
Q
D FF
IC8-B 74HC74
C66
100N
12 25 27 44 58 79 90 92 102 116 127
115 91 73 43 28 13
IC17-B ADSP2181
7
14
IC9-E
74HC00
7
14
IC10-E
74HC32
C14
100N
C21
100N
C20
100N
15
16
13
14
11
12
9
10
7
8
5
6
3
4
1
2
CN1
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1 2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
CN3
1
2
3
4
5
6
7
8
9
CN2
C30
10U
1
2
DSPCLK
CN5
R11 33E
3
2
1 4
6
5
CK
D
R S
Q
Q
D FF
IC8-A 74HC74
R2 10E
1
2 AR20-A 4K7 X4 1
2
AR3-A 33E X4
12
13
11
IC9-D 74HC00
3
4
AR5-B 4K7 X4
11
12
13 10
8
9
CK
D
R S
Q
Q
D FF
IC2-B 74HC74
L1 47UH
1
2
3
IN OUT
GND
IC7 7805
C4
10N
C8
100N
C10
10N
C7
1U
C9
1U
C5
1U
C12
100N
C11
100N
13 16 20 5 24
25 4 9
IC6-B
AD1877
R92 82E
1/2W
SDMA-CK
SDMA-C0
SDMA-IN
761167 - VOCAL PROCESSOR BOARD
CS3
315109
IDMA
BOOT
EPROM
BOOT
R/W
AGND
CONV-L
INPUT & SUPPLY
CONV-R
FROM POWER SUPPLY BOARD CN4 OR MIXER BOARD CN4
LGND
+18V
+5V
-18V
CLOCK
FROM CPU & S.G. BOARD CN12
LGND
UNUSED COMPONENTS
CS3
R/W
65
PCB# 315109
06-10-98
DTACK2
RICCOBELLI
VOCAL PROCESSOR BOARD
ADDR & DATA BUS
BOCCATO
PANNELLI
LGND
1/1
SDMA-C1
ADC & CONTROL SIGNALS
FROM/TO CPU & SOUND GENERATOR BOARD CN13
FROM/TO CPU & SOUND GENERATOR BOARD CN4
550164