Read Panasonic KX-T7735RU / KX-T7735RUPP Service Manual online
NC
C83
C81
0.047
C21
0.1
R22
3.3K
C22
0.01
C23
0.015
R24
270K
R26
4.7K
R28
2.2K
R27
5.6K
T1
1
3
4
5
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
VTref
61
TONR
60
TONC
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
IC5
8
9
6
R21
2.7K
R41
4.7K
R81
15K
R25
470K
R8
33
R9 20K
R15
6.8K
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
D5
V
C106
Z0.01
DG
DG
12P
C108
12P
C109
4MHZ
X1
C107
Z0.1
DG
R23
120
R82
4.7K
R83
0
R122
3.3K
C103
Z2.2
C101
50VZ0.01
D5V
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
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
T
R
L
C34
0.1
AG
R123
0
R124
0
D5V
Vref
CC
DET
IC10
1
2
3
4
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
Q101
Q3
Q5
Q4
Q102
Q2
Q1
Q10
Q6
Q20
AG
DG
AG
R74
5.6K
D5V
NC
R153
D5V
DG
R17
0
NC
C13
C36 Z0.1
NC
R19
NC
R20
C7
820P
NC
R33
C82
NC
C14
0.047
SW52
HOOK
SW42
HOLD
AG
AG
J1
AG
A5V
D5V
D5
+6V
+6V
DG
C204
Z0.1
6.3V100
C205
DG
25V47
C203
R201
2.2K
6.3V1000
C206
AG
V1
D6
J4
IC7
1
I
3 O
2
B
D5V
NC
C11
NC
C10
NC
J5
B10
D10
NC
R152
D5V
D5V
D5V
NC
R151
DG
DG
Q109
1
4
3
2
5
RA1
47K
DG
Q19
DG
C110
Z0.1
D5V
DG
DG
DG
CN1
13
RS
11
DB7(SI)
12
CSB
10
DB6(SIC)
14
Vss
9
Vdd
3
V0
7
V4
6
V3
5
V2
V1
4
2
ResetB
1
Vss
8
Vss
R156
15K
D2 RE2
3
1
2
4
D1
3
4
1
2
C116
2.2
C117
Z0.01
C112 2.2
C114 2.2
C115 2.2
C115 2.2
C113 2.2
R127
56K
R128
2.7K
R125
47K
R126
33K
C12
0.015
R16
56
R154
100K
100K
NC
R155
R157
0
T_CONT1
DOUT
DCLR
DIN
DI_INT
DOUT
DI_INT
DIN
DCLR
HS_SP_VOL1
HS_SP_VOL2
SP_VOL4
SP_VOL3
T_CONT1
T_CONT2
T_CONT3
T_CONT4
C[5]
L[0]
L[1]
L[2]
L[3]
L[4]
L[5]
K[5]
K[6]
K[0]
K[4]
K[1]
K[2]
K[3]
RING_OFF
L[7]
HEAD_SET
L[6]
HS_MUTE
C[1]
C[2]
C[3]
K[9]
K[8]
K[7]
C[0]
C[4]
1.7V
1.5V
1.6V
0
0
0
0
0
0
0
5.4V
5.4V
5.4V
5.2V
5.4V
5.2V
5.4V
0.8V
5.4V
5.4V
5.4V
5.4V
5.4V
0
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
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
Recepton Signal
Handset
Transmission
Signal
Transmission
Signal
DTMF
Signal
for Dial
Signal
for Dial
1.8V
(1)
(2)
(3)
(4)
(6)
(8)
(9)
(10)
(11)
(12)
(15)
(13)
(13)
(17)
(18)
(19)
(20)
(21)
(14)
(16)
(5)
(7)
KX-T7735RU
MAIN BOARD NO.2
33
KX-T7735RU
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