Read Panasonic WV-CU550C Service Manual online
R24 56K
R22 22K
C18 0.1
Q2
R3 4.7
–
+
C5 100/10
–
+
C6 47/16
–
+
C7 3300/6.3
R4 1K
R5 1K
R37 10K
R56 OPEN
C24 0.1
R18 OPEN
R15 0
C16 0.1
C10 1000P
R12 10K
R10 1M
X1
C13 16P
C14 16P
C12 0.1
R26 10K R25 OPEN
R16 10K
R43
220
R44
220
C27 1000P
C23 1000P
–
+
C19 47/16
R20 22K
C15 0.1
R11 22K
R17 22K
R57
22K
R14
22K
R23 22K
R21 22K
R13
10K
C9 1000P
C8 1000P
+5V
+5V
+5V
+5V
–
+
C2 220/10
–
+
C1 220/16
C3 0.01
Q1
R1 1.5K
R31 100K
R27 OPEN
R32 39K
R28 10K
–
+
C22 47/25
C20 OPEN
C21 0.1
–
+
C4 47/16
R2 2.7
1
A0
2
A1
3
A2
4
CS2
5
CS3
6
CS1
7
#Y7
8
GND
9
#Y6
10
#Y5
11
#Y4
12
#Y3
13
#Y2
14
#Y1
15
#Y0
16
VCC
IC11
+5V
C11 OPEN
R33 0
R30 15K
R29 10K
R34 OPEN
R35 470
D3
D1
D2
1
4
3
3
2
D4
1
4
3
3
2
D5
TH1
R45
470
R46
470
R8 82
R9 10K
C28 0.1
C29 0.1
TP1 (+5V)
TP2 (+5V)
TP3
(GND)
TP5
(TXD)
TP4
(RXD)
R39 15K
R38 15K
R40 2.2K
R41 2.2K
R42 150
VS4
J1 OPEN
C32 100P
C30 100P
C31 100P
R51 0
R52 0
R49 OPEN
R50 OPEN
C40 0.1
C36 0.1
C41 0.1
C35 0.1
C37 0.1
C38 0.1
C39
0.1
1
3
2
R53 150
R6 2.7K
R7 3.6K
R54 100K
R55 100K
J2
IN
OUT
GND
3
1
2
IC1
1
4
3
3
2
D6
3
2
1 I
O
L34(C34)
1
2
3 O
I
L26(C26)
1 A14
2 A12
3 A7
4 A6
5 A5
6 A4
7 A3
8 A2
9 A1
10 A0
11 I/O 1
12 I/O 2
13 I/O 3
14 GND
15
I/O 4
16
I/O 5
17
I/O 6
18
I/O 7
19
I/O 8
20
#CE
21
A10
22
#OE
23
A11
24
A9
25
A8
26
A13
27
#WE
28
VCC
IC5
1
R
2
RE
3
DE
4
D
8
VCC
7
Z
6
Y
5
GND
IC13
VS1
VS2
VS3
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
1
#OE
19
Q0
18
Q1
17
Q2
16
Q3
15
Q4
14
Q5
13
Q6
12
Q7
11
#LE
20
VCC
10
Vss
IC7
1 Vpp
2 A16
3 A15
4 A12
5 A7
6 A6
7 A5
8 A4
9 A3
10
A2
11
A1
12
A0
13
D0
14
D1
15
D2
16
GND
17
D3
18
D4
19
D5
20
D6
21
D7
22
#OE
23
A10
24
CE
25
A11
26
A9
27
A8
28
A13
29
A14
30
NC
31
PG4
32
VCC
IC6/CN9
L1 8.2
µ
H
+5V
1
PRE
2
VCC
3
CS
4
SK
8 PE
7 GND
6 DO
5 DI
IC9
1
8
2
7
3
6
4
5
Z4
1
8
2
7
3
6
4
5
Z2
1
8
2
7
3
6
4
5
Z5
1
2
3
IC3
1
2
3
IC2
+5V
+5V
1
VCC
2
R
3
D
4
GND
8
A
7
B
6
Z
5
Y
IC12
E2
1
#SCK
2
SO/SBO
3
TO0
4
TO1
5
TO2
6
TO3
7
#RESET
8
VDD
9
X2
10
X1
11
VSS
12
P00
13
P01
14
P02
15
P03
16
P04
17
P05
18
P06
19
P07
20
#REFRQ
21
#W
AIT
22
#WR
23
#RD
24
A19
25
A18
26
A17
27
A16
28
A15
29
A14
30
A13
31
A12
32
A11
33
A10
34
A9
35
A8
36
AD7
37
AD6
38
AD5
39
AD4
40
AD3
41
AD2
42
AD1
43
AD0
44
ASTB
45
VSS
46
MODE
47
P10/PWM0
48
P11/PWM1
49
P12
50
P13
51
P14
52
P15
53
P16
54
P17
55
VDD
56
ANI0
57
ANI1
58
ANI2
59
ANI3
60
ANI4
61
ANI5
62
ANI6
63
ANI7
64
A
VDD
65
A
VREF1
66
A
VSS
67
ANO0
68
ANO1
69
A
VREF2
70
A
VREF3
71
NMI
72
INTP0
73
INTP1
74
INTP2/CI
75
INTP3
76
77
INTP5
78
SI
79
RXD
80
TXD
INTP4/ASCK
IC4
1
AOUT
2
A–IN
3
A+IN
4
GND
5
B+IN
6
B–IN
7
BOUT
8
VCC
IC10
SW4
1
2
3 O
I
L25(C25)
3
2
1 I
O
L33(C33)
1
8
2
7
3
6
4
5
Z6
1
A0
2
A1
3
A2
4
CS2
5
CS3
6
CS1
7
#Y7
8
GND
9
#Y6
10
#Y5
11
#Y4
12
#Y3
13
#Y2
14
#Y1
15
#Y0
16
VCC
IC8
SW2
C42 OPEN
+5V
1
8
2
7
3
6
4
5
Z3
1
8
2
7
3
6
4
5
Z1
R19
22K
SW5
1
4
3
3
2
D7
8
1
7
2
6
3
5
4
SW1
2
1
8
4
3
SW3
1
5
4
2
3
6
5
4
2
3
6
GND
RX(B)(RDATA)
RX(A)(RZDATA)
TX(A)(TZDATA)
TX(B)(TDATA)
GND
CN2
1
5
4
2
3
6
5
4
2
3
6
GND
RX(B)(RDATA)
RX(A)(RZDATA)
TX(A)(TZDATA)
TX(B)(TDATA)
GND
CN3
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
+5V
GND
SO/SB0
#Y6
#SCK
PAN
RESET
TILT
CN4
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
#Y0
#Y1
#Y2
#Y1
#Y2
KEY 3
KEY 4
KEY 4
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
CN5
1
2
2
A
K
K
CN6
1
2
3
4
5
6
7
2
3
4
5
6
7
VSS
Vo
R/W
DATA 0
DATA 2
DATA 4
DATA 6
DATA 2
DATA 4
DATA 6
CN7
1
2
3
4
5
6
7
2
3
4
5
6
7
VDD
RS
E
DATA 1
DATA 3
DATA 5
DATA 7
DATA 3
DATA 5
DATA 7
CN8
R36 10K
E4
E5
E6
E7
(OPEN)
1
2
2
+9V
GND
GND
CN1
1
2
2
+9V
GND
E1
1
2
3
4
5
6
2
3
4
5
6
N.C.
N.C.
LL–PULSE
LL–DET
+9V
GND
N.C.
LL–PULSE
LL–DET
+9V
GND
CN1
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A15
A14
A13
A12
A11
A10
A9
A8
AD7
AD6
AD5
AD4
AD3
D0
AD0
AD1
AD2
AD1
AD2
A7
A6
A5
A4
A3
A2
A1
A6
A5
A4
A3
A2
A1
A7
A6
A5
A4
A3
A2
A1
A0
A6
A5
A4
A3
A2
A1
A0
A0
D2
D3
D4
D5
D6
D7
D3
D4
D5
D6
D7
D1
D2
D3
D2
D3
D6
D7
D7
D1
D3
D0
D2
D2
D4
D5
D5
D0
D1
D1
A0
A1
A2
A3
A4
A5
A6
A7
A1
A2
A3
A4
A5
A6
A7
A13
A8
A9
A9
A11
A10
AD7
AD6
AD5
AD4
AD3
AD6
AD5
AD4
AD3
A14
A12
A12
AD0
AD1
AD2
AD1
AD2
A15
A12
A12
AD0
AD1
AD2
AD1
AD2
A14
A13
A8
A9
A11
A13
A8
A9
A11
A10
AD7
AD6
AD5
AD4
AD3
AD6
AD5
AD4
AD3
AD1
AD0
AD2
AD3
AD3
AD4
AD5
AD6
AD7
AD5
AD6
AD7
A8
A9
A10
A11
A9
A10
A11
A12
A13
A14
A15
A13
A14
A15
D0
D1
D2
D3
D4
D5
D6
D7
D6
D7
D5
D4
D3
D2
D1
D0
D4
D3
D2
D1
D0
D4
D5
D6
D7
D5
D6
D7
MAIN BOARD
RELAY BOARD
TO
POWER
BOARD
. . . CN2
POWER
BOARD
. . . CN2
SW2
TERMINATION SWITCH
TERMINATION SWITCH
SW3
CONTROLLER UNIT
NUMBER SWITCH
CONTROLLER UNIT
NUMBER SWITCH
SW1
MODE SELECTION SWITCH
MODE SELECTION SWITCH
TO
SWITCH BOARD
. . . . . . . . . . . E101
SWITCH BOARD
. . . . . . . . . . . E101
TO
SWITCH BOARD
. . . . . . . . . . . E102
SWITCH BOARD
. . . . . . . . . . . E102
DATA IN
DATA OUT
SW4
CONTROLLER
ON/OFF SWITCH
CONTROLLER
ON/OFF SWITCH
LCD UNIT
1
2
3
4
5
A
B
C
10K x 4
10K x 2
< INDEX >
MAIN BOARD
MAIN BOARD
IC1
C4
IC2
C4
IC3
C4
IC4
B3
IC5
B4
IC6
A4
IC7
A4
IC8
A3
IC9
C3
IC10
C3
IC11
B2
IC12
C2
IC13
C2
Q1
C3
Q2
C4
D1
C3
D2
C3
D3
C3
D4
B2
D5
B2
D6
B1
D7
B1
Important safety notice
Components Identified by " " mark have special characteristics for safety. When replacing any of these components, use only manufacturer's specified parts.
– 2 –
SCHEMATIC DIAGRAM OF MAIN BOARD / RELAY BOARD
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