Panasonic KX-T7730X, Руководство по обслуживанию

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NC
C83
C81
0.047
C21
0.1
R22
3.3K
C22
0.01
C23
0.033
R24
270K
R26
4.7K
R28
2.2K
R27
5.6K
T1
1
3 4
6
C3
16V22
C2
16V10
R4
68K
R1
100K
R2
22K
JK1
1
H
2
T
3
R
4
L
C91
0.1
R91
10K
C94
0.001
C93
0.047
R95
470K
IC6
5
6
7
R94
4.7K
R92
18K
A5V
R93
10K
IC6
3
2
1
R97 10K
R98
15K
R96
100K
D3 R99
10K
C95
Z0.1
R100
100K
A5V
C24
0.1
IC1
64
RD1
63
RD0
62
VT
ref
61
T
ONR
60
T
ONC
59
VCC
58
SEL
57
RA1
56
RA0
55
R93
54
R92
53
R91
52
R90
51
R83
50
R82
49
R81
48 R80
47
R73
46 R72
45 R71
44 R70
43
R63
42
R62
41 R61
40 R60
39 R43
38
R42
37 R41
36 R40
35 R31
34 R32
33
R33
17
D11
18
D12
19
D13
20
R00
21
R01
22
R02
23
R03
24
R10
25
R11
26
R12
27
R13
28
R20
29
R21
30
R22
31
R23
32
R30
1 RE0
2
TEST
3
OSC1
4
OSC2
5
RESET
6 X1
7
X2
8
GND
9
D0
10 D1
11 D2
12 D3
13 D4
14 D5
15 D9
16 D10
T2
5
4 9
10
1
2 6
7
R101
220
R102
220
D2
4
3 1
2
D1
4
3 1
2
IC5
89
6
R21
2.7K
R41 4.7K
R81
15K
R25
470K
R8
33
R9 20K
R15
6.8K
R16
56
R14
18
+6V
R13
470K
C8
0.22
R12
2.2K
R10
2.7K
R34
22K
C9
6.3V100
C92
Z1
D5V
1M
R121
IC2 9
10
8
150P
C102
IC2
5
4
6
10K
R104
1K
R108
4.7K
R107
IC2
13
12
11
100
R105
IC2
1
2
3
10K
R103
D5V
2.2K
R106
D5V
C106
Z0.01
DG
DG
12P C108
12P C109
4MHZ
X1
C107
Z0.1
DG
R23
120
R82
4.7K
R83
0
C110
Z0.1
RA1
47K
R122
3.3K
C103
Z2.2
C101
50VZ0.01
D5V
DG
DG
DG
D5V
IC2
7
14
C105
Z0.01
A5V
IC6
4
8
C96
Z0.01
D4
PC1
1
2 3
4
R3
1.8K
R5
47
NC
C1
R7
27K
D5V
DG
D5V
DG
R126
560
Q109
1
4
3 2
5
R127
2.2K
DG
R125
2.2K
R128
10K
IC9
RESET
1
Vin
2
GND
4
NC
3
R6
680
C4
2.2
C41 0.1
A5V
C85
Z0.01
IC5
7
14
C25
4.7
R39
47K
R40
47K
DG
DG DG
AG
AG
AG AG
AG
AG
AG
AG
AG
AG
AG AG
AG
AG
AG AG
AG AG
DG
H
T
R
L
C34
0.1
CN1
DATA/RW
6
STB/RS
4
SCK/E
5
Vdd
2
Vo
3
Vss
1
DB7
10
DB6
9
DB5
8
DB4
7
NC
C11
NC
C10
AG
R123
0
R124
0
IC7
1
I
3
O
2
B
D5
D5V
+6V
6.3V100
C205
C204
Z0.1 6.3V1000
C206
AG DG
J1
DG AG
D5V
+6V
D5V
Vref
CC DET
IC10
1
2
3
4 5
6
7
8
C26
0.1
R32
12K
C32 0.1
R35 56K
C33
0.015
R77
39K
R76
68K
C35
Z1
C6
1000P
NC
C5
25V47
C203
J4
A5V
Q101
Q3
Q5
Q4
Q102
Q2
Q1
Q10
Q6
Q20
AG
DG
AG
R74
5.6K
D5V
NC
R152
D5V
NC
R151
D5V
NC
R153
NC
R154
D5V
R155
100K
DG
50V10
C201
R201
2.2K
D6
NC
R204
SW42
HOLD
AG
R17
0 NC
C13
C36
Z0.1
NC
R19
NC
R20
NC
J5
C12
2200P
C7
820P
NC
R33
V2 V1
C82
NC
C14
0.047
NC
R203
NC
R205
NC
R202
J6 0
NC Q201
NC
Q202
T_CONT1
DOUT
DCLR
DCLR
DIN
DIN
DI_INT
DOUT
DI_INT
DIN
DCLR
SP_V
OL1
SP_V
OL2
SP_V
OL4
SP_V
OL3
T_CONT1 T_CONT2 T_CONT3 T_CONT4
C[5]
L[0]
L[1]
L[2]
L[3]
L[4]
L[5]
C[4] K[5] K[6] K[0] K[4] K[1] K[2] K[3] K[7]
RING_OFF
L[7]
HEAD_SET
L[6]
C[0]
C[1]
C[2]
C[3]
HS_MUTE
HS_V
OL1
HS_V
OL2
C[0] C[1] C[2] C[3]
KX-T7730X MAIN BOARD NO.2
1.7V
1.5V
1.6V
0
0
0
0
0
0
5.4V
5.4V
5.4V
5.2V
5.4V
0.8V
5.4V
5.4V
5.4V
5.4V
5.4V
0
0 0 0
0
5.4V
0 0 0 0 0 0 5.4V 5.4V 5.4V 5.4V 5.4V 5.4V 5.4V
13.5V
1.8V
0
0
1.2V
2.0V
1.6V
1.9V
1.9V
5.4V
0
5.2V
0
4.0MHz
5.4V
5.4V
0
0
0
5.1V
0
5.4V
5.4V 6.1V 20V
Handset
Recepton Signal
Handset
Transmission
Signal
DTMF
Signal
for Dial
1.8V
(1)
(2)
(3)
(4)
(6)
(8)
(9)
(10)
(11)
(12)
(14)
(16)
(17)
(18)
(19)
(20)
(13)
(15)
(5)
(7)
33
KX-T7730X