71
KX-TG3711BX/KX-TG3712BX/KX-TG3719BX/KX-TGA371BX
KX-TG3711/3712/3719BX SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
QSPI_CS
QSPI_IO3
QSPI_IO2
QSPI_SCK
QSPI_IO1
QSPI_IO1
PF_SUP
ACFL
QSPI_CS
QSPI_IO2
QSPI_IO0
QSPI_SCK
QSPI_IO3
QSPI_IO0
RF_TXp
TXON
RF_TXn
R501
F56k
R891
220
RF_RXn
ANT1
RF_RXp
C520 NC
C502 1u
C503
10p
L1T
L1R
HAK_CL1
R311
10k
C104
0.01u
C107
0.01u
R106
1M
C108
0.01u
R105 1M
R104
180k
R102
4.7M
R103
180k
C103
0.01u
R101
4.7M
+1.8V
R107
1k
R108 1k
C110
820p
R110
82k
C109
820p
R109
82k
ANT2
R892
220
+3.0_CP
R121
1k
C113
0.082u
R111 3.9k
R112
120k
C111
0.033u
+3.0V
C343
10p
R355
680
C322
NC
C321
1u
+5.5V
R354
10k
+3.0V
CHARGE-
C351
1u
DCP
+5.5V
F301
3.0A
CHG+
+5.5V
DCM
GND
+3.0V
+3.0_CP
C517
0.1u
C518
0.1u
C501
0.1u
C123
10p
C112
10p
C124
10p
C125
10p
R364
10k
Q351
+3.0V
CHG+
R322
100
R321
140
+3.0_CP2
C346
NC
3
IN
2 OUT1
1
ADJ
4 OUT2
Q362
B
C
E
Q361
D361
NC
A K
D362
A
K
C352
NC
R352
56k
2.7V
2
VIN
1 VOUT
3
NC
4
VSS
R351
3.9k
R353
10k
R365
47k
R366
10k
R359
10k
Q363
Q352
R358
10k
+1.8V
R371
1
(0.5W)
R372
1
(0.5W)
C342
0.1u
C311
1u
VDD1
VDD2
VDD3
X501
10.368M
1
3
2
Q354
Q301
C345
220u
R301NC
D301
NC
R360
56k
+5.5V_1
+5.5V_1 +5.5V_1
*P101 22
+1.8V
R131
10M
R166
8.2k
*R146
NC
*C164
NC
R144
NC
*R143
NC
*C167
1000p
L101
33u
*D142
30V
A K
Q142
B
C
E
R151
100k
C161
10u
GAP
R161
100k
C173
0.1u
R181
NC
C181
NC
*Q144
NC
R152
470k
R163
12
*R168
NC
C184
K1.0u
C168
NC
D101
4
3
1
2
C171
0.022u
R162
27k
C186
10p
*R148
NC
*D143
NC
A K
R142
2.7k
(3216)
R167
27
(4532)
Q161
B
C
E
*R165
27k
TP9
SA103
NC
2
1
C165NC
C142
K0.01u
D153
NC
A K
R164
2.7k
*Q141
B
E
C
R145
2.2k
C132
K0.01u
*R147
NC
L102
33u
SA101 270V
2
1
R141
100k
*R169 0
C163 NC
*R160
910
D133
A K
*R170
0
C152
0.01u
C306
100u
8M FLASH
1 *CS
2 SO/SIO1
6
SCLK
7
NC/SIO3
3 *WP/SIO2
8
VCC
4 GND
5
SI/SIO0
81
ONE_CELL
83
DC_DCI
82
DC_SENSE
84
DC_CTRL
85
VBAT
86
DC_CTRLN
87
ULP_MAIN
88
ULP_VBAT
89
ULP_PORT
98 DUMMY1
99 DUMMY2
100 DUMMY3
101 DUMMY4
102 DUMMY5
103 DUMMY6
104 DUMMY7
105 DUMMY8
106 DUMMY9
107 DUMMY10
108 DUMMY11
109 DUMMY12
110 DUMMY13
111 DUMMY14
112 DUMMY15
113 DUMMY16
90
QSPI_IO3
91
QSPI_SCK
92
QSPI_IO0
93
VDDIO
94
QSPI_IO2
95
QSPI_CS
96
QSPI_IO1
L351
+5.5V_1
+5.5V
R373
1.8k
C101 680p
C102 680p
C105 680p
C106 680p
R361
68
R362
68
R363
2.2k
R133
150k
R510 33
C341
220u
C344
1000u
C301 100p
C353 33p
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
(YELLOW)
7XX : FOR DK/BT
(GREEN)
1XX : TEL LINE
8XX : RF
REFERENCE
CID+
3XX : POWER, CHARGE
4XX : MIC, SP
HOOK
DCIN2
DCIN1
CID-
PULSE_MUTE
IC302
IC351
IC501
IC502
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
VDD1: 1.8V
VDD2: 2.5V
from Handset
From
Handset
to Handset
DCP: 5.5V
Battery power supply
from Handset
in power outage.
VDD3: 3.0V
to Q301
Rx
Tx
Caller ID
Bell