Schematic Diagram (Base Unit) - Panasonic KX-TG7100BXS Service Manual

KX-TG7100BXS/KX-TG7100BXT/KX-TGA710CXS/KX-TGA710CXT

12.2. Schematic Diagram (Base Unit)

L2T L1T L1R L2R
J1
NC
6
(2125)
1
2
3
4
5
CN1
J2
NC
(2125)
D2
2 1
NC
1
J101 DC_IN
DCM
2
CN2
C
+8.0V
IC1
3
Output
Input
ADJ/GND
C34
Cont 1
C C C
Cn
5 4 NC
GND
C
3
Sub
+4.0V VDD4
C 6
NC
2
Vin
Vout
7 1
IC2
C C
IC3
1 8
CD VOUT2
C38
2 7
+VREF GND
NC
3 6
+VIN V+
C39
C C
4 5
-VIN VOUT1
NC
R42
C40
NC
NC
C42
C
R41
NC
for TG7120/8120
NC
CN4 1
C
R49
2
470
R50
Q6
NC
Q7
3
3
R54
1
2
2 1k
1
C C
C
for TG7100/8100
Charge Current
R55
TP16 Charge +
22
TP15 Charge - 1
R56 A0
2
A1
22
3
A2
4
VSS
C
C C C
EEPROM
+3.3V
R59
2.2k
C
NC: No Components
L1
33u
L2
33u
R3
C
180k
TP_RLY1
C3
L1T/TP_RLY2
1500p
L2T/TP_RLY3 for JT
R5
L1R/TP_RLY4
C4 180k
TP_RLY5
1500p
Q1
R7
3
2
NC
1
NC
for NL
C C C
R9
NC
3.3V
+3.3V VDD3
2
R64
4
Fin
NC
(1005)
C C
+2.5V
I/O
1 5
VDD
C
2
O/I
3 VSS 4
CONT
SP+
C
IC6
C140
C
0.1u
SP+
R44
NC (1005)
SP+
SP-
C
C
C
SP-
R45
NC
SP-
(1005)
C
C
+2.5V
C134 NC
(1005)
Beep Bell signal
C143 10p
C151
(1005)
IC4
C 10p
I/O
1 5
(1005)
VDD
C47
2
O/I
K0.1u
3 VSS 4
CONT
C148
C
10p
+2.5V
IC5
C
8
VCC
7
WP
6
SCL
5
SDA
+2.5V
Q14
1
2
3
R61
1k
C C
LINE_DC
Q3
D3
2 1
R14
100k
3 4
Q2
3
R13
1
Q4
680 3
2
1
C
2
C5
C C
K1000p C
C
R4
1M
C6
C
K1000p
R6
1M
Caller ID,
+2.5V
C Bell Signal
C
C
C
C
C52
J220p
R32
100k
C53
J220p
R34
100k
except TG7120/8120
R67
18
C
C
for TG7100
R66
0
VDD2
C C
except TG7100 (1005)
1
*INT1/P11
2
VDDIO1
(1005)
3
VDD1
C60
4
VSS1
5
K0.1u
SDA1/P25
6
SCL1/P24
7
*INT5/VDDE/P15
8
*INT2/P12
(1005)
9
AVD
C61 10
AVS
K0.1u 11
CAP
12
Xtal1
R73 3.3M 13
VSSRF
14
RFCLKp
(1005) (1005)
15
C62
3 RSSI/RFCLKm
1
16
VDDRF
J27p
X1
2
C63
C
C
15p
C
25mV p-p
0.7V
TX DATA
0V
10k
C
for TG7100/8100
54
Loop Current
Q5
C C
2
3
1
C18 C19
TP9
R17
10p C
NC
2.2k R23
R20
2.7k
100k
C
C C
R27
100k
C C C C
+2.5V
RX_AF
Bell signal
C54
K0.022u
(1005)
R36
100k
(1005)
C
C
C
1.8V
VDD1 +1.8V
C
2.5V
+2.5V
C
C
48
LDO2_CTRL
47
LDO1_CTRL
46
VBAT1
C72
45
*RST
44 K220n
P17/CHARGE/INT7
43
P23/ADC1
IC7
42
VDD3
C73
41
VSS3
BBIC K0.1u
40
P07/SPIDI/PCM_DIN
39
(1005)
P06/SPIDO/PCM_DOUT
38
P05/SPICLK/PCM_CLK
37
P04/SCL2
36
P03/SDA2
32: PCM_FSC/*INT0/P10
35
49: LDO1_Sense P02/JTIO
34
P01/URX
33
P00/UTX
JTAG
TP23 R75
RX DATA
100
R74
(1005)
1 2
C
C
SW1
C
C
C
R30
(1)
82
C
C
C22
R29
56
1u
(2125)
C C
C C
TX_AF
R116
TP10
18
(1005)
C
for TG7120/8120
R69
NSA/CLIP
NC
R70 C
TAMIC_CSn
NC
Q9
C
R81
3.3k
(1005)
SPIDI
SPIDO
SPICLK
TAM_RSTn
TAM_CSn
C
(2)
(3)
R79
J103 RX
1k
(1005)
R80
J102 TX
1k
(1005)
J104 GND
C