Panasonic KX-TG3711BXB Service Manual page 71

*R160
910
TP9
*R169 0
C173
(1)
0.1u
Rx
Tx
C184
R181
(2)
K1.0u +1.8V
NC
(3)
+1.8V
VDD1
Q301
(4)
C109
820p
R109
(5)
(6)
82k
R111
(7)
(8)
R108 1k
1k
R107
(9)
(10)
(11)
(12)
R121 1k
(13)
10p
C503
(14)
C502 1u
(15)
(16)
C520 NC
(17)
(18)
R501 F56k
3 1
(19)
R891 220
10.368M
(20)
X501
2
(21)
(22)
from Handset
ANT1
RF_RXp
(23)
RF_RXn
(24)
TXON
(25)
RF_TXp
(26) RF_TXn
ANT2
R892
VDD2
220
to Handset
(27)
VDD2: 2.5V
(28)
Q161
C
B
E
C165NC
C163 NC
R164 R161
2.7k 100k
R151
100k
*R148
NC
DCIN1 DCIN2 PULSE_MUTE
VDD1: 1.8V
+3.0V
R105
R106
3.9k
Bell
C113
0.082u
IC501
QSPI_IO1
QSPI_CS
113 DUMMY16
QSPI_IO2
112 DUMMY15
VDDIO
111 DUMMY14
QSPI_IO0
110 DUMMY13
QSPI_SCK
109 DUMMY12
QSPI_IO3
108 DUMMY11
ULP_PORT
107 DUMMY10
ULP_VBAT
106 DUMMY9
ULP_MAIN
105 DUMMY8
104 DUMMY7
DC_CTRLN
103 DUMMY6
102 DUMMY5
DC_CTRL
101 DUMMY4
DC_DCI
100 DUMMY3
DC_SENSE
99 DUMMY2
ONE_CELL
98 DUMMY1
IC502
8M FLASH
QSPI_CS
1 *CS
2 SO/SIO1
QSPI_IO1
QSPI_IO2 3 *WP/SIO2
4 GND
*Q141
R141
100k
Q142
C
B
E
HOOK
C107 R103 R101 C103
0.01u 180k 4.7M 0.01u
1M C105 680p
C108 R104 R102 C104
0.01u 180k 4.7M 0.01u
1M C106 680p
Caller ID
VDD3: 3.0V
+3.0_CP
QSPI_IO1
96
QSPI_CS
95
QSPI_IO2 +3.0_CP2
94
93 QSPI_IO0
92 QSPI_SCK
91
QSPI_IO3
90
89
88
+3.0V
87 Q362
C
PF_SUP
86
B
VBAT
85 E
+5.5V
84
83
R365
82
81
47k
+3.0_CP +1.8V
ACFL
8
VCC
Q354
QSPI_IO3
7
NC/SIO3
QSPI_SCK
6
SCLK
QSPI_IO0
5
SI/SIO0
R510 33
KX-TG3711/3712/3719BX SCHEMATIC DIAGRAM (Base Unit_Main)
71
KX-TG3711BX/KX-TG3712BX/KX-TG3719BX/KX-TGA371BX
REFERENCE
1XX : TEL LINE
3XX : POWER, CHARGE
4XX : MIC, SP
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
7XX : FOR DK/BT
8XX : RF
C101 680p
D101
L101
3 2
33u
4 1
C102 680p
L102
33u
CID- CID+
DCP: 5.5V
+5.5V
+5.5V +5.5V_1
L351
CHG+
VDD3 +3.0V
R301 NC
to Q301
D301
NC
+3.0V
Battery power supply
from Handset
in power outage.
Q361
Q351
Q363
1 VOUT
+5.5V_1 +5.5V_1
HAK_CL1
Q352
GND
NC: No Components
L1T
(YELLOW)
L1R
(GREEN)
*P101 22
GAP
F301
DCP
3.0A
DCM
CHARGE+
From
Handset
CHARGE-
+5.5V
IC302
2 OUT1 3
IN
4 OUT2
ADJ
1
+5.5V_1
CHG+
IC351
2.7V
R351
2
VIN
3.9k
3
NC
VSS
4