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KX-TCD815RUS / KX-TCD815RUT / KX-TCA181RUS / KX-TCA181RUT
33 SCHEMATIC DIAGRAM (BASE UNIT)
J1
(
)
NC (2125)
L2R
TP26
TP27
TP28
TP29
CN1
2
1
J2
DCM
DCP
(
)
NC (2125)
TP_RLY1
L1T/TP_RLY2
L2T/TP_RLY3
L1R/TP_RLY4
TP_RLY5
D2
(
)
NC
Q1
(
)
NC
7.8V
+8V
3
2.1V
C250
(
CONT
CN
5
4
GND
3
SUB
6
NC
2
VIN
VO
7
1
IC9
NC
3.3V
(When on Beep)
R4
Charge Terminal
18 (6332)
R5
18
(6332)
NC: No Components
L6
L7
C12
K1500p
C263
(
)
C13
NC
K1500p
R67
(
)
NC
R68
(
)
NC
3.3V
+3.3V
VDD3
IC1
2
VIN
VOUT
Adj/GND
1
)
+4.0V
VDD4
NC
IC10
1
8
CD
VOUT2
C254
NC
(
)
2
7
(
)
+VREF
GND
C255
NC
3
6
(
)
(
)
+VIN
V+
C256
C261
4
5
C258
NC
-VIN
VOUT1
NC
(
)
R145
NC
(2125)
NC
(
)
(
)
C259
NC
R149
NC
(
)
R148
(
NC
0.49V
1.0V
R139
R140
C174
470
Q15
1K
K0.1u
Q16
0.45V
+3.3V
TP16
IC3
+2.5V
TP15
1
A0
VCC
2
7
R92
A1
WP
3
6
2.2K
A2
SCL
(1005)
Q90
4
5
GND
SDA
EEPROM
(1005)
R93
1K
D3
2
1
3
4
R106
C101
180K
K1000p
R16
1M
C_ID, Bell Signal
R107
C102
180K
K1000p
R17
1M
+2.5V
NC
R144
(
)
(1005)
R37
C167
0
18
(2125)
(2125)
+2.5V
IC11
RE1
1
5
VDD
2
3
4
VSS
TP24
RINGER-
SP-
C312
D10p
TP25
RINGER+
SP+
(1005)
C313
D10p
R40
3.3M
(1608)
J27p
X1
C43
10.368MHz
C42
IC12
D6p
+2.5V
)
RE1
1
5
VDD
2
3
4
VSS
10.368MHz
0.7V
C213
D10p
0V
Beep/Bell signal
+2.5V
Beep/Bell
ON: 2.5V
8
OFF: 0V
88
LINE_DC
Q4
R23
100K
R79
Q5
R28
680
Q12
2.2K
RE1
(1005)
C22
K220p
R27
100K
(1005)
(1005)
C17
K220p
R22
(1005)
100K
(1005)
K0.022u
(1005)
J220p
VDD2
(1005)
C34
K0.1u
1 INT1n/P1[1]
LDO2_CTRL
2 VDDIO2
LDO1_CTRL
C37
3 VDD3
(1005)
K0.1u
4 VSS4
5 SDA1/P2[5]
P1[7]/CHARGE/INT7
6 SCL1/P2[4]
P2[3]/ADC1
7 INT5n/VDDE/P1[5]
8 INT2n/P1[2]
IC8
9 AVD
P0[7]/SPIDI/PCM_DIN
K0.1u
C44
10 AVS
P0[6]/SPIDO/PCM_DOUT
BBIC
NC C55
(
)
11 CAP
P0[5]/SPICLK/PCM_CLK
12 Xtal1
P0[4]/SCL2
13 VSSRF
P0[3]/SDA2
14 RFCLKp
P0[2]/JTIO
15 RSSI/RFCLKm
P0[1]/URX
16 VDDRF
P0[0]/UTX
25mV p-p
(1)
(2)
(3)
Bell signal
C32
R38
150K
(4)
C36
(5)
(6)
L15
(7)
(8)
LDO1_
Sense
48
47
VBAT1
46
RSTn
45
44
43
VDD42
42
VSS41
41
(9)
40
39
38
37
36
35
34
33
PCM_FSC/
INT0n/P1[0]
(10)
(11)
(12)
(13)
R153
NC
(
)
R154
10
(
)
NC
9
(
)
8
Q100
7
D100
(
)
(
)
6
R155
NC
D101
(
)
(
)
5
R156
NC
(
)
4
R157
NC
(
)
3
R158
NC
(
)
2
R160
R159
NC
(
)
1
NC
CN2
NC
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