Read Panasonic WV-CU950 Service Manual online
4-1-4
SCHEMATIC DIAGRAM OF MAIN BOARD [
3
]
SW2
MODE
SELECTION
SWITCHES
MODE
SELECTION
SWITCHES
SW1
CONTROLLER
NUMBER
SWITCH
CONTROLLER
NUMBER
SWITCH
CN2
SERIAL
PORT
SERIAL
PORT
JK1
DATA
PORTS
DATA
PORTS
<LOCATION MARK>
PKEY[1]
PKEY[3]
PKEY[2]
PKEY[6]
PKEY[7]
PKEY[5]
PKEY[0]
PKEY[1]
PKEY[2]
PKEY[3]
/RS485RX_EN
COL_DET
RS485TX_EN
PKEY[0]
RS485_TX
RS485_RX
RS232C_RX
RS232C_TX
RS232C_EN
D2
1
2
3
4
5
IC7
1
1A
2
1B
3
1CLR
4
1Q
5
2Q
6
2Cext
7
2Rext/Cext
8
GND
9
2A
10
2B
11
2CLR
12
2Q
13
1Q
14
1Cext
15
1Rext/Cext
16
Vcc
JK1
JK1
1
GND
2
TB
3
TA
4
RB
5
RA
6
GND
7
GND
8
TB
9
TA
10
RB
11
RA
12
GND
Attachment1
Attachment2
CF1
1
2
3
4
5
6
7
8
9
10
VS4
DGND
R26
4.7
C47
100p
R51
36k
VS6
R55
36k
R60
10k
VS2
SW2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C60
0.1
Z23
1
2
36
45
7
8
R50
36k
R34
4.7
R57
150k
C42
1
DGND
D17
C45
100p
DGND
C59
0.1
D16
C41
47/16
D12
R52
2.2k
2.2k
R59
150k
D14
R35
4.7
1/4W
1/4W
D5
1
2
3
R42
150
1/2W
DGND
D11
R44
2.2k
VS1
R27
4.7
1/4W
1/4W
DGND
SW1
1
1
9
C_1
2
2
8
8
4
4
10
C_2
R53
2.2k
2.2k
R54
36k
D15
10K
D6
1
2
3
VS5
D7
1
2
3
R43
2.2k
IC9
1
NC1
2
R
3
RE
4
DE
5
D
6
GND1
7
GND2
8
NC2
9 Y
10 Z
11 B
12 A
13
11 B
12 A
13
VCC1
14
VCC2
D4
1
2
3
CF2
1
2
3
4
5
6
7
8
9
10
R58
10k
DGND
IC8
1
VDD
2
C1+
3
VCC
4
C1-
5
C5+
6
C5-
7
DIN1
8
DIN2
9
ROUT1
10
ROUT2
11
RIN2
12
RIN1
13
DOUT2
14
DOUT1
15
VCHA
16
STBY
17
VSS
18
C4-
19
GND
20
C4+
C46
100p
D10
CN2
CN2
1
CD
2
RD
3
SD
4
ER
5
SG
6
DR
7
RS
8
CS
9
CI
Attachment1
Attachment2
VS3
D13
D1
1
2
3
4
5
IC10
1
NC1
2
R
3
RE
4
DE
5
D
6
GND1
7
GND2
8
NC2
9 Y
10 Z
11 B
11 B
12 A
13
VCC1
14
VCC2
C55
0.1
C57
0.1
C51
0.1
C62 0.1
C52
OPEN
C54
3.3/35
C63
3.3/35
C53
3.3/35
C64
3.3/35
RA
RB
TA
TB
12
11
10
9
8
7
11
10
9
8
7
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
4
3
2
1
9
8
7
6
8
7
6
DATA
SERIAL
MODE
CONTROLLER
NO.
1
A
B
C
D
2
3
4
5
6
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