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65
KX-TG7207UA/KX-TG7208UA/KX-TGA720UA
Charge Current
Bell signal
RX_AF
TX_AF
Caller ID,
Bell Signal
Bell Signal
Loop Current
0 V
0.7 V
TX DATA
RX DATA
25 mV p-p
1.8 V
2.5 V
3.3 V
L2R
*J1
*J2
L1
33u
L2
33u
K680p
C9
K680p
C10
D3
4
1
3
2
NC
100k
R14
2.7k
R15
LINE_DC
SA1
*D15
NC
12
*D16
NC
1
2
CLK
R1
10k
1500p
C3
1M
R4
C5
K1000p
1500p
C4
1M
R6
R5
180k
C6
K1000p
*R7
NC
100k
R8
+2.5V
*R9
NC
100k
R10
J101
J104
J103
J102
R76
1k
R81
3.3k
3.3k
K0.1u
C56
+1.8V
D12
15
R72
VDD1
+2.5V
VDD2
VDD3
+3.3V
120
R38
200
R39
4
Fin
1
ADJ/GND
3
Input
2
Output
+8.0V
DCM
1k
R79
1k
R80
L2T
L1T
L1R
CN2
2
1
*CN1
1
2
3
4
2
3
4
5
6
K1u
C70
SA2
NC
NC
D1
1
2
3.3M
R73
100
R75
TP23
10k
R74
TP9
TP_RLY1
L1T/TP_RLY2
L2T/TP_RLY3
L2T/TP_RLY3
L1R/TP_RLY4
TP_RLY5
*D4
20V
12
10k
R77
10k
R78
10p
C37
3.3k
R71
3.3k
R117
1k
R33
0
R97
R3
180k
C31
K2.2u
Q4
1
3
2
Q3
B
C
E
J11
NC
NC
SA12
2
1
NC
D2
A
K
*D5
NC
A
K
*D6
NC
AK
D21
NC
AK
Q1
NC
NC
B
C
E
D22
22V
D23
R126
NC
Q22
NC
R127
NC
Q23
NC
NC
R128
+2.5V
10k
R129
1k
R130
TP16
TP15
330u
C36
C32
100u
16V10u
C71
10u
C64
16V
SW1
1
2
R140
NC
NC
D24
AK
NC
D25
AK
C7
NC
C8
NC
PCM_FSC
PCM_CLK
PCM_DOUT
PCM_DIN
DCP
10k
R16
100k
R32
100k
R34
1k
R35
J220p
C52
J220p
C53
0
L22
C1
D10p
C48
NC
*C54
K22n
*C55
K0.1u
C57
NC
C59
K0.1u
C60
K0.1u
C61
K0.1u
C65
K1u
K1u
C73
K0.1u
C74
K0.1u
C75
K0.1u
C68
K1u
K1u
D10p
C69
D10p
C136
D10p
C137
K0.22u
C72
C156
NC
NC
K1n
C157
X1
1
3
2
L9
390
C67
K0.1u
TP16-sub
TP15-sub
1W
3.9
R55
1W
3.9
R56
1W
3.3
R57
CHARGE
US1
*D26
NC
AK
Q8
Q9
B
E
C
R148
NC
K1n
C96
12
R133
*R36
150k
SA11
NC
12
*R12
10k
*C12
2.2
*R124
*R123
10
2.2k
*R17
3A
F1
RH1
P1
0
C63
9p
D10p
C164
D10p
C165
1
*C166
NC
*C2
*R2
NC
10p
C167
10p
C168
150
R149
0
R150
10p
C30
C62
27p
1
*INT1/P11
2
VDDIO1
3
VDD1
4
VSS1
5
SDA1/P25
6
SCL1/P24
7
*INT5/VDDE/P15
8
*INT2/P12
9
AVD
10
AVS
11
CAP
12
Xtal1
13
VSSRF
14
RFCLKp
15
RSSI/RFCLKm
16
VDDRF
17
RFCLKd
18
TDO
19
RDI
20
SK
21
PD1/SIO
22
LE
23
P31/PD1
24
P32/PD2
25
P33/PD3
26
P34/PD4
27
TDOD/P35/PD5
28
P36/PD6
29
VSS2
30
VDDIO2
31
VDD2
32
PCM_FSC/*INT0/P10
33
P00/UTX
34
P01/URX
35
P02/JTIO
36
P03/SDA2
37
P04/SCL2
38
P05/SPICLK/PCM_CLK
39
P06/SPIDO/PCM_DOUT
40
P07/SPIDI/PCM_DIN
41
VSS3
42
VDD3
43
P23/ADC1
44
P17/CHARGE/INT7
45
*RST
46
VBAT1
47
LDO1_CTRL
48
LDO2_CTRL
49
LDO1_
Sense
50
AVS2
51
AVD2
52
*CIDIN
53
*LSR/REF
54
LSRp/REF
55
RINGING
56
*MIC/CIDOUT
57
VREFm
58
AGND
59
MICp
60
CIDINp
61
P14/*INT4
62
P13/*INT3
63
ADC2
64
ADC0
*R13
680
*Q2
B
C
E
TAM_CSn
TAMIC_CSn
SPIDI
SPIDO
SPICLK
TAMIC_CSn
ROW0
RESET
LE
SIO
SK
RDI
TDO
RFCLK
LOW_RAD
TAM_CLK
ROW1
ROW2
KEY0
KEY1
WP
ROW0
Charge +
Charge -
DC_IN
GND
JTAG
RX
TX
for NL
for JT
for BR
for BR
IC1
*IC7
BBIC
(1)
(2)
(3)
(4)
(5)
(8)
(9)
(11)
(10)
(6)
(7)
NC: No Components
KX-TG7207/7208UA
SCHEMATIC DIAGRAM (Base Unit)
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