Read Panasonic KX-TCD816UAS / KX-TCD816UAT / KX-TCA181UAS / KX-TCA181UAT Service Manual online
+8V
+1.8V
+2.5V
+2.5V
+2.5V
+2.5V
+2.5V
+3.3V
+3.3V
C48
K0.1u(1005)
K0.1u(1005)
C192
( )
J150p
C164
(1005)
C143
D10p
C149
D10p
C194
( )
K1000p
C136
(1005)
C76
K0.01u
C138
( )
( )
NC
C162
D10p
(1005)
C195
NC
K4700p
C215
C141
C3p
C168 NC
( )
C142
D10p
C28
K0.22u
K1u
C46
(2125)
D10p
C154
(1005)
C144
D10p
C151
K4.7u
K0.056u
C47
(1608)
C159
C2p
(1005)
D10p
C156
(1005)
D10p
C158
(1005)
K0.1u
C50
C2p
C155
(1005)
C199
( )
C161
C2p
(1005)
C122
J100p
(1005)
C163
D10p
(1005)
K2.2u
C40
(2125)
C160
D10p
(1005)
K0.1u
C24
(1608)
C123
J100p
(1005)
C145
D10p
C166
(1005)
( )
NC
C165
(1005)
( )
NC
C121
(1005)
( )
NC
C150
( )
NC
C137
( )
( )
NC
C146
( )
NC
C52
( )
NC
C169
(1005)
( )
( )
( )
NC
27 1/2W
R46
(4532)
R64
1K
470
R116
(2125)
R55
1K
(1005)
R124
0
(1005)
18
R39
2.2K
R115
R125
0
(1005)
R119
270
8.2K
R43
R118
180
100K
R71
470K
R72
100K
R47
R85
3.3K
(1005)
47K
R48
R88
10K
(1005)
R86
1K
(1005)
56
R49
R87
10K
(1005)
12 1/2W
R45
(4532)
27K
R42
R84
100
R117
1K
(1005)
R121
( )
( )
NC
R120
( )
( )
NC
R130
(1005)
NC
R59
( )
NC
R58
( )
NC
R126
(1005)
( )
NC
L4
0
L3
50V10u
C49
C109
K1u
(2125)
Q8
16V10u
C5
30V
D4
Q2
Q6
DA
1
RE1
1
2
3
J22p
C153
D7p
C157
( )
( )
D10
ANT_2
ANT_1
ANT
A_2
A_1
C201
D10p
CLK
J101
J104
TP23
J103
J102
TP9
TP10
VDD1
Q3
( )
D18
NC
D5
RE1
D13
SW1
C130
( )
( )
C214
( )
R127
100
(1005)
C217
( )
( )
NC
C183
D10p
R135
10K
R132
10K
(1005)
1 GND1
2 ANT2
3 VCCPA
4 GND2
5 GND3
6 VCC_OC
7 GND4
8 RSSI
9 SYRI
2 ANT2
3 VCCPA
4 GND2
5 GND3
6 VCC_OC
7 GND4
8 RSSI
9 SYRI
10 GND5
11
GND6
12
SYEN
13
SYD
A
14
SYCL
15
GND7
16
RX_D
A
TA
17
GND8
18
TXDA
19
GND9
20
RESET
21
ANT1
22
GND10
23
GND11
24
GND12
25
GND13
26
GND14
27
GND15
28
GND16
29
GND17
30
GND18
31
A_1
32
GND19
K1u
C135
(2125)
C140
C2p
D10p
C57
C134
D10p
L10
L11
D10p
C265
( )
NC
C266
NC
1
RDY/BUSY
2
RESET
3
WP
4
NC4
5
NC5
6
NC6
7
VCC
8
GND
9
NC9
10
NC10
11
NC11
12
NC12
13
CS
14
SCK
15
SI
16
SO
17
NC17
18
NC18
19
NC19
20
NC20
21
NC21
22
NC22
23
NC23
24
NC24
25
NC25
26
NC26
27
NC27
28
NC28
29
NC29
30
NC30
31
NC31
32
NC32
L12
( )
L13
NC
R134
1K
(1005)
K0.01u
C41
(1608)
R51
0
R50
D10p
C196
NC
NC
C310
D10p
C316
( )
R133
(1005)
NC
C147
Z0.1u
D10p
C317
C197
C3p
470
R52
820
R54
( )
C108
NC
(2125)
2.2K
R44
D20
15
R161
TDO
RFCLK
LE
RSSI
RESET
RDI
SK
SIO
RESET
RDY
IC2
RF
Module
IC5
KX-TCD816 SCHEMATIC DIAGRAM (Base Unit)
NC: No Components
(1)
(2)
(3)
(5)
(4)
(6)
(7)
(8)
(9)
(10)
(11)
(11)
(12)
(13)
2.5Vp-p
0V
10.368MHz
Loop Current
TX_AF
RX_AF
RX DATA
TX DATA
3.3V
89
KX-TCD816UAS / KX-TCD816U AT / KX-TCA181UAS / KX-TCA181UAT
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