Read Panasonic KX-T7665UA (serv.man3) Service Manual online
25
KX-T7665UA-B
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KX-T7665UA-B : MAIN BOARD (2/2)
Z0.1
C114
R111
1.2K
R101
8.2K
1000P
C105
L4
T
DG
L3
Z1
C119
1000P
C106
R104
1.8K
R139
18
R133
560
DG
R138
27
R100 1.8K
D3V
JK2
1
H
2
R
3
T
4
L
R134
330
R119
8.2K
R141
33
1000P
C103
R107
1.8K
DG
Z1
C109
DG
R109
100
Q1
3
5
1
2
4
Z0.1
C101
Z0.1
C100
H
R106
120
Z0.1
C113
DG
R117
4.7K
Q6
E
C
B
R136
330
D1
2
1
4
3
DG
Q5
1
4
3
2
5
6
R135
560
DG
R115
4.7K
R113
6.8K
Q3
1
2
34
5
6
R114
10K
D3V
R
R140
5.6K
DG
Z0.1
C104
R105
1.2K
Z1
C111
DG
D3V
Z1
C117
1000P
C102
R142
10
L1
Q2
1
4
3
5
2
DG
Z1/50V
C115
DG R108
100
R102
5.6K
L
Z1/50V
C118
R131
270
R130
22
Q4
E
C
B
DG
100P
C110
R132 22
R103
12K
L2
100P
C112
DG
D3V
DG
DG
DG
Z0.1
C108
R137
1K
D3V
Z0.1
C107
Z1/50V
C116
T1
4
5
5
9
10
1
2
2
6
7
DG
R116
15K
R112
5.6K
R110
1.2K
DG
DG
R129
12K
IC1
1
OUT
2 E
3 Ct
4 GND
3 Ct
4 GND
5
IN-
6
Vcc
7
Ipk
8
DrvC
Q23
Q21
L21
330
µ
Q22
R206
4.7K
R207
220K
220K
R205
100K
R203
15K
DG
DG
DG
R209
1.2
50V33
C203
6.3V470u
C204
6.3V470u
C205
R208
2.4K
50V0.1
C202
180P
C201
R201
220
R202
5.6K(2125)
Z0.1
C200
R200
3.3(2125)
D3V
D21
DG
A3V
Q35
1
6
2
12
R311
D40
MUTE
A3
A2
A4
D36
CO3
Q33
1
6
2
Q34
1
6
2
D34
CO2
D39
CO6
D38
CO5
4
3
5
120
R309
4
3
5
D37
CO4
D35
CO8
A1
4
3
5
D32
CO1
12
R308
120
R307
D33
CO7
D42
STORE
DG
D3V
R515
47K
D3V
Z0.1
C403
D3V
Z0.1
C402
Z0.1
C401
Z0.1
C400
R401
1M
R400
820
X1
16.384MHz
12P
C404
12P
C405
Z0.1
C407
JK1
1
H
2
R
3
T
4
L
R204
3.9k
1k
R300
1k
R304
1k
R301
1k
R305
1k
R302
1k
R303
D31
SP
120
R310
180
R306
CN3
1 +
2 -
B6
B1
B4
B5
B3
B2
CN4
2
+
1
-
4.7
R313
D41
INTERCOM
B7B8
B9 B10
A5
A6
DG
DG
DG
PN9
D3V
12P
C406
DG
R402
47K
R403
180
AG
J200
R406
47K
D3V
R519 1K
R520 1K
R521 1K
DG
R516
47K
DG
R517
47K
IC2
PVRH
37
PDX1
39
PDX0
38
DVRL
30
GOP1/DRE
28
GOP0/DR
27
DDX0
33
DDX1
34
DVRH
32
DDR
31
8
CLM5
9
CLM4
10
CLM3
11
CLM2
12
CLM1
13
CLM0
14
NROW3
15
NROW2
16
NROW1
18
NROW0
PVRL 35
PDR
36
OSR
20
OSX
21
OEPO
22
OCK
25
VDD
56
VDD
24
VDD
1
GND
7
CSN
2
GND
23
GND
17
GND
49
OSO
48
OSI
47
CK8M/16M
45
DB7
57
DB6
58
DB5
59
DB4
60
DB3
61
DB2
62
DB1
63
DB0
64
ADR5
50
ADR4
51
ADR3
52
ADR2
53
ADR1
54
ADR0
55
WEN
4
REN
3
INTN
6
RSTN
42
44 VDD
GND
46
SCAN
41
SCANE
43
TEST
29
OSYNC
26
WAITN
5
OEP1/PN9/CK512K
19
MMODE
40
A3V
D3V
GND
Q31
1
2
3
4
5
Q32
1
2
3
4
5
47k
R407
D3V
NC
C120
DG
R526
47K
NC
R312
NC
D43
D44 MW2
DB5
DB4
DB3
DB2
DB1
DB0
DB6
DB7
ADR5
ADR4
ADR3
ADR2
ADR1
ADR0
INTN
REN
WEN
T
O
DPT/SL
T
T
O
PBX
G
G
G
R
R
G
G
R
R
R
R
G
R
G
R
G
R
R
R
G
BOARD-B
MSG / RINGER LAMP
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