![Ramsa Ramsa WR-DA7 Service Manual Download Page 30](http://html1.mh-extra.com/html/ramsa/ramsa-wr-da7/ramsa-wr-da7_service-manual_783688030.webp)
– 24 –
1
2
3
4
5
6
7
8
9
10
11
12
13
GND
AD1
GND
AD2
GND
AD3
GND
AD4
GND
AD5
GND
AD6
GND
CN1
IC300 MICROPROCESSOR
IC315
PHOTO
COUPLER
IC314
IC314
IC313
X301
CN49
CN42
CN43
IC313
L.P.F.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
GND
PNLD0
PNLD1
PNLD2
PNLD3
PNLD4
PNLD5
PNLD6
PNLD7
GND
FDRCK1
FDRCK2
FDRCK3
FDRCK4
FDRCK5
FDRCK6
FDRCK7
FDRCK8
GND
SCAN0
SCAN1
SCAN2
SCAN3
BLANK
MPSLA
MPSLB
GND
CAI
GND
/CSSW
/CSENC
/LEDCK0
/LEDCK1
/LEDCK2
/LEDCK3
GND
RST
GND
/RST
GND
BLANK
SCAN0
SCAN1
SCAN2
SCAN3
MPSLA
MPSLB
CN2
To
Fader Drive Board
. . . . . . . . . . . CN1
To
Fader Drive Board
. . . . . . . . . . . CN2
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
SCIMS
RXD0
107
87
AN0
88
AN1
89
AN2
92
AN4
93
AN5
94
98
100
101
102
65
66
AN6
PB0
PB1
PB2
PB3
PB4
PA11
PA12
94
AD0-AD15
94
A1-A21
55
/CS6
71
CK
57
/WRL
59
/RD
63
PA9
48
/CS0
SA1-SA21
SA2-SA4
SA2-SA4
SA21
SA2-SA4
/SWRCK
/PLDIR
/GPLDB
AD0-AD15
AD0-AD7
SCISM
TXD0
108
SCICK
SCK0
111
OPWDT
/WDTOVF
/FSYC1
IRQ2
68
/RES
/RES
79
/RES
RES
/RES
/PFAIL
A
K
4
2
3
3
2
D
1
3
4
5
2
4
a
a
b
b
1
1
4
/NMI
76
RXD1
109
TXD1
110
PA10
64
EXTAL
73
XTAL
N.C.
74
/FSYC2
PA7
60
IC308
TRANSCEIVER
A1-A8
DIR
/G
2-9
1
19
11-19
B1-B8
IC317
SA1
SA21
4
5
2
2
3
1
IC309
DECODER
A,B,C
G1
/G2B
1-3
6
5
7,8,10-15
Y0-Y7
/G2A
4
IC311
DECODER
A,B,C
G1
/G2B
1-3
6
5
15
14
Y0
Y1
/G2A
4
IC312
DECODER
A,B,C
G1
/G2A
1-3
6
4
12-15
Y0-Y3
/G2B
5
IC304
S-RAM
D0-D15
/CS
/OE
2-9
A1-A21
2-9
6
41
/WE
17
IC305
FLASH RAM
(ROM)
D0-D15
/CE
RY
/
BY
2-9
A1-A21
2-9
26
16
IC316-IC319
LATCHes
/OE
28
/WE
11
/RES
12
50
/CS2
MAIN BOARD
BLOCK DIAGRAM OF MAIN BOARD (PANEL CONTROL CPU SECTION)
MIDI INPUT
MIDI OUTPUT
FOOT SWITCH