Read Panasonic KX-T7735RU-B (serv.man2) Service Manual Supplement online
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KX-T7735RU-B
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KX-T7735RU-B MAIN BOARD NO.2
HS_MUTE
DI_INT
T_CONT1
DOUT
K[0]
K[1]
K[2]
K[3]
K[4]
K[5]
K[6]
C[0]
C[1]
C[2]
C[3]
C[5]
RING_OFF
HEAD_SET
L[7]
L[6]
L[5]
L[4]
L[3]
L[2]
L[1]
L[0]
T_CONT1
T_CONT2
T_CONT3
T_CONT4
HS_VOL1
HS_VOL2
SP_VOL3
SP_VOL4
C[4]
K[7]
DI_INT
DOUT
K[9]
K[8]
C7
820P
D5
C8
0.22
C14
0.047
Q102
E
C
B
AG
J1
C96
0.01
DG
C34
0.1
C212
1000P
C101
50V 0.01
50V 0.01
Q2
C23
0.015
C4
2.2
D5V
AG
C91
0.1
D4
+6V
AG
Q5
E
C
B
AG
C95
0.1
C92
1
A5V
C204
0.1
AG
Q1
C24
0.1
AG
AG
DG
IC5
8
9
6
AG
DG
AG
IC6
3
2
1
AG
C85
0.01
0.01
C94
1200P
C6
1000P
C9
10V220
AG
C81
0.1
C93
0.047
AG
Q10
E
C
B
DG
J4
JK1
1
H
2
T
3
R
4
L
D5V
C103
2.2
C208
1000P
C21
0.1
C110
0.1
DG
C12
0.015
A5V
Q6
E
C
B
IC6
5
6
7
Q4
+6V
AG
A5V
AG
D3
DG
C22
0.01
AG
Q3
E
C
B
X1
20MHz
1
2
3
DG
C106
0.01
D3.3V
C107
0.1
D3.3V
D3.3V
D3.3V
D3.3V
D7
Q101
E
C
B
D3.3V
D3.3V
DG
DG
D3.3V
C108
0.1
DG
DG
D10
DG
C116
2.2
D3.3V
C113
2.2
C114
2.2
C115
2.2
C112
2.2
Q9
E
C
B
C132
1
AG
AG
AG
AG
AG
C26
0.1
IC10
3
2
1
AG
C33
0.015
AG
IC10
5
6
7
AG
C35
1
C131
0.1
C32
0.1
DG
R289
100K
R27
5.6K
R91
10K
R103
2.7K
R98
15K
R28
3.3K
R108
1K
R106
1K
R5
47
R2
22K
R39
33K
R128
1.2K
R102
220
R82
1.5K
R15
6.8K
R81
10K
10K
R99
10K
R96
100K
R125
47K
R8
33
R94
5.6K
R105
68
R233
39K
R101
220
R124
0
R127
56K
R41
4.7K
R237
470
R14
18
R21
2.7K
R22
3.3K
R3
4.7K
R16
56
R1
100K
R107
4.7K
4.7K
R26
4.7K
R97
10K
R231
10K
R234
30K
R17
0
R34
3.3K
R25
470K
R129
10K
R32
39K
R10
2.7K
R7
27K
R238
270K
R92
18K
R74
5.6K
R77
8.2K
R126
33K
R100
68K
R40
33K
R236
5.1K
R95
470K
R4
68K
R6
680
R76
120K
R9 20K
R24
270K
R201
2.2K
R93
10K
R23
120
R123
2.2k
AG
D3.3V
C86
0.01
0.01
C117 0.01
D3.3V
R156
15K
SW42
HOLD
C207
NC
R19
NC
R20
NC
R154
NC
D6
IC11
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
IC10
8
4
IC5
14
7
IC8
5
3
Q20
T2
1
2
4
5
6
7
9
10
IC7
1
VCC
2
GND
3 OUT
IC6
8
4
C13
NC
PC1
1
2
3
4
T1
6
1
2
3
2
3
4
R
AG
L
H
V1
DG
AG
D1
1
2
3
4
D2
1
2
3
4
R121
NC
C36
0.1
C5
NC
T
SW52
HOOK
AG
B10
C82
NC
AG
D3.3V
IC9
2
4
DG
D3.3V
IC9
5
3
1
Q109
1
2
3
4
5
DG
C41
0.1
1 Vss
2 ResetB
3 V0
4 V1
5 V2
6 V3
7 V4
8 Vss
9 Vdd
CN1
10 DB6(SIC)
11 DB7(SI)
12 CSB
13 RS
14 Vss
R104 NC
C205
10V1000
C206
10V220
C215
6.3V220
C10
NC
AG
+6V
D5V
D3.3V
C210
0.01
DG2
R12
2.2K
R13
470K
R240
1K
R232
27K
R235 NC
C133 NC
R230 33K
C130
330P
D30
C104
0.01
IC1
1 P3_0
2 P4_2/VREF
3 MODE
4 P4_3/XCIN
5 P4_4/XCOUT
6 RESET
7 P4_7/XOUT
7 P4_7/XOUT
8 VSS/AVSS8
9 P4_6/XIN
10 VCC/AVCC10
11 P5_4
12 P5_3
13 P5_2
14 P5_1
15 P5_0
16
P3_7
17
P3_5
18
P3_4
19
P3_3/INT3
20
P2_7
21
P2_6
22
P2_6
23
P2_6
24
P2_3
25
P2_2
26
P2_1
27
P2_0
28
P3_6
29
P3_1
30
P8_6
31
P8_5
32
P8_4
33
P8_3
34
P8_2
35
P8_6
36
P8_6
37
P6_7
38
P6_6/TXD2
39
P6_5/CLK2
40
P4_5
41
P1_7
42
P1_6
43
P1_5
44
P1_4
45
P1_3
46
P1_2
47
P1_1
48
P1_0
49
P0_7/DA1
50
P0_6/DA0
51
P0_5
52
P0_4
53
P0_3
54
P0_2
55
P0_1
56
P0_0
57
P6_4
58
P6_3
59
P6_2
60
P6_1
61
P6_0
62
P5_7
63
P5_6
64
P3_2
C25
10
C2
16V10
C3
16V22
C203
25V47
R155
0
C102 NC
1.7V
1.5V
1.6V
0
0
0
0
0
0
0
5.4V
5.4V
5.4V
5.2V
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
1.8V
1.6V
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
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