Read Panasonic KX-AT7730RU Service Manual online
13
KX-AT7730 Series
Q15
SP_VOL1
SP_VOL2
SP_VOL3
SP_VOL4
1
B1
2
E
3
B2
4
C2
5
C1
Q16
1
B1
2
E
3
B2
4
C2
5
C1
C50
C51
C48
C59
C61
C64
C60
C47
C49
C44
C45
C46
C62
0.047u
C66
C67
R206
R52
R59
R68
R60
R55
R54
R57
R67
R48
R70
R51
R49
R45
R80
R79
R44
R78
R46
R47
R69
R50
R56
AG
AG
AG
NC
AG
AG
AG
+6V
AG
AG
+6V
AG
AG
C57
AG
G1
G2
AG
Q13
Q14
C53
C54
R72
R58
IC3
1
RR
2
RTX
3
TXI
4
TXO
5
TLI
23
XDC
24
VLC
25
ACF
26
RXO
27
RXI
6
TLO
7
RLI
8
RLO
9
MCI
10
MCO
12
CP2
13
XDI
14
SKG
18
*CS
19
SKI
20
VCC
21
VB
22
GND
15
SKO
16
V+
17
AGC
11
CP1
28
RRX
L3
C251
AG
C252
C253
AG
C254
220p
AG
C255
L4
C52
C55
C58
C56
D3
C8
C42
C41
C91
C14
C93
C212
C6
C12
C7
R91
R93
R97
R99
R1
R96
R98
R14
R15
R92
R9
R12
R2
R10
R7
R5
R41
R13
R95
R16
R6
R4
AG
AG
AG
AG
AG
D3.3V
A5V
C5
NC
C13
NC
AG
AG
AG
C10
NC
AG
+6V
A5V
AG
R8
H
T
R
L
T
R
L
AG
JK1
1
2
3
4
5
T1
1
6
3
4
2
IC6
1
AOUT
2
A-IN
3
A+IN
4
GND
5
B+IN
6
B-IN
7
BOUT
8
V+
R17
Q3
Q4
Q20
IC1(64)
C94
R94
R100
C3
C92
C95
C96
D1
4
1
3
2
PC1
1
2
3
4
Q1
Q2
R3
C4
C2
C9
R43
NC
C43
C65
CN2
MIC
1
+
2
-
AG
M3
AG2
C63
R61
0
SP
CN3
1
+
2
-
AG
SP- SP+
R71
R42
Circuit Diagram
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