Panasonic KX-TG8200BXB Service Manual page 71

Loop Current
(1)
TP9
(2)
RX_AF
TX_AF
(3)
Bell signal
R148 NC
(4)
US1
VDD2
1
*INT1/P11
2
VDDIO1
3
VDD1
4
VSS1
(5)
5
SDA1/P25
C60
(6)
6
SCL1/P24
7
(7) *INT5/VDDE/P15
8
*INT2/P12
C61
9
AVD
10
AVS
11
CAP
12
Xtal1
R73 13
VSSRF
14
RFCLKp
3.3M
15
C62
RSSI/RFCLKm
3 1
R133
16
VDDRF
22p
12
2
X1
C63
CLK
(8)
TAM_CLK
(9)
TX DATA
25 mV p-p
0.7 V
0 V
for TG7200/8200
(10)
(11)
LINE_DC
Q3
C E
B
R14
100k
*R13
Q4
*Q2
680
*R17 3
1 B
2.2k
2
Caller ID,
Bell Signal
R32
100k
C54
C52 220p
10n
*R36
100k
+2.5V
C165
2.5 V
C164
10p
10p
VDD1
C72
220n
48
LDO2_CTRL
47
LDO1_CTRL
46
VBAT1
45
*RST
44
P17/CHARGE/INT7
R81
43
P23/ADC1
3.3k
*IC7
42
VDD3
41
VSS3
40
BBIC
P07/SPIDI/PCM_DIN
39
P06/SPIDO/PCM_DOUT
38
P05/SPICLK/PCM_CLK
37
P04/SCL2
36
P03/SDA2
35
P02/JTIO
34
P01/URX
33
P00/UTX
C75
R74
RX DATA
10k
1 2
R75
JTAG
SW1
100
TP23
D3
1 2
4 3
E
C
C5
R3
1n 180k
C3
R4
1.5n
1M
C136
C6
R5
10p
1n
180k
C4
R6
1M 1.5n
C137
10p
*R7
5.6M
R34
+2.5V
100k
for NL
C53
*R9
220p
5.6M
Q9
1.8 V
+1.8V
Q8
C73
R140
NC
SPIDI
SPIDO
SPICLK
WP
TAM_CSn
PCM_DIN
PCM_DOUT
PCM_CLK
PCM_FSC
J103
RX
R79 1k
J102
TX
R80 1k
J104
GND
KX-TG8200BX
71
KX-TG8200BXB/KX-TGA820BXB
L1 J1
NC
33u
for BR
J11
NC
L2 J2
P1
RH1
33u 0 NC
for BR
TP_RLY1
L1T/TP_RLY2
for JT
L2T/TP_RLY3
L1R/TP_RLY4
TP_RLY5
D2
A K
C
Q1 NC
B
Charge Current
NC E
3.3 V
VDD3
+3.3V
IC1
2
Output
3
Input
4
Fin
ADJ/GND
1
+2.5V
CHARGE
R130
R127
1k
NC NC
Q23
SCHEMATIC DIAGRAM (Base Unit_Main)
L2R L1R L1T L2T
6
1
2
3
4
5
CN1
F1
DCP
3
1
2
DCM
CN2
DC_IN
+8.0V J101
Q22
R126
NC
TP16
Charge +
NC
TP16-sub
TP15-sub
TP15
Charge -
NC: No Components