Main Board (Panel Control Cpu Section) - Panasonic WR-DA7 Service Manual

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