Panasonic KX-TGF350N Service Manual page 77

R160 820
C173 0.1u
Rx
R451 390
(1)
Tx
VDD1: 1.8V
C109 820p
(2)
C174 2200p
R109 82k
R125 270
(3)
CIDOUT/MICn 24
CIDINn/MICp
23
VREFp
22
CIDINp/P3_2
21
20
RINGp/P3_7
RINGn/P3_6 19
18
RINGOUT/RINGING/P3_5
PARADET/P3_4 17
16
P4_4
15
P4_1/SPI2_CLK
14
P4_0/SPI2_EN
IC501
13
VDD1 C504 0.1u
RF_SUPPLY1 12 C503 10p
11 C502 1u
AVD_XTAL
10
XTAL1
9
XTAL2
AVS_XTAL 8
7 R501 56k
REF_RES
6
RFP0 R891 220
5
RFP1
VSS_LNA2 4
3
RF_RXp
2
RF_RXn
1
VSS_LNA1
(4)
(5)
R892 220
C514 10p
VBAT
C515 0.1u
(6)
+3.0V_CP1
+1.8V
IC601
1 *CS 8
VCC
2 SO/
(7) *RESET
EEP_WP
7
SIO1
/SIO3
I2C_SCL
3 *WP/ 6
SCLK
SIO2
I2C_SDA
4 SI/SIO0 5
(8)
GND
(9)
VBAT
VDD3
POWER CIRCUIT
KX-TGF350N/KX-TGF352N/KX-TGF353N/KX-TG572SK/KX-TGF380M/KX-TGF382M/KX-TGF383M/KX-TGFA30N/KX-TGFA30M
C
B
E
Q161
R164
2.7k
R151 100k
Q144
C184 1u
+1.8V
+1.8V VBAT
VDD1
Q351
BELL
R111 3.9k
C113
0.082u
STM/P15
3 1
10.368M
2
X501 132 VSS/GNDplane16
131 VSS/GNDplane15
128 VSS/GNDplane14
127 VSS/GNDplane13
124 VSS/GNDplane12
114 VSS/GNDplane11
113 VSS/GNDplane10
112 VSS/GNDplane9
ANT1
106 VSS/GNDplane8
RF_RXp 105 VSS/GNDplane7
104 VSS/GNDplane6
RF_RXn
103 VSS/GNDplane5
102 VSS/GNDplane4
RF_TXp 99 VSS/GNDplane3
98 VSS/GNDplane2
RF_TXn
97 VSS/GNDplane1
ANT2
+1.8V
122 VDDIO
IC611
NC
8 VCC 1
A0
7 WP A1 2
DO/IO1
6 SCL 3
A2
5 SDA 4
GND
DC_OUT
D305 L301
3.3V
10u
R316 NC
R313 47
1 CE/CSS
IC303
2 VSS
4 1
VOUT
VSS
3 FB
3 VIN 2 0.9V
NC
IC301
Q310
DET at 2.2V
IC302
TP_FLG
1 VOUT
2 VSS
3 FLG
KX-TGF350/352/353/TGF572SK SCHEMATIC DIAGRAM (Base Unit (Main))
Q141
C E
B
R122 C122
R141 100k
NC NC
C101 680p
D101
1 2
4 3
Q145 Q142
NC
NC
C102 680p
R123 C123
NC
NC
R115 8.2M
R116 8.2M
C103
R101
5.6M
0.01u
C105
R103
180k
680p
C104
R102
5.6M 0.01u
R104 C106
180k
680p
Caller ID
NL_CID
LCD_CS
SPI2_CLK
EEP_WP
VBAT
IC501
110
VBAT
ULP_XTAL
117
ULP_VBAT
116
ULP_PORT
118
ULP_MAIN 115
_ CTRL QSPI_SCK
QSPI_SCK
120 QSPI_IO3
+4.0V DCDC
QSPI_IO3
QSPI_IO2
119
QSPI_IO2
QSPI_IO1
123
VBAT
QSPI_IO0
QSPI_IO1
126
QSPI_IO0 QSPI_CS
121
QSPI_CS
125
R658 1k KEYS_B
P5_7
130
COMP_RST
P5_6
129 HOOK_DET
P4_3/SPI_DI
101 SPI2_DO
P4_2/SPI2_DO
100
DC_SENSE
107
DC_I
108
DC_CTRLN
111
DC_CTRL
109
QSPI_IO2
QSPI_IO1
QSPI_CS
+1.8V
IC502
1 *CS 8
VCC
*HOLD/*
QSPI_IO3
2 7
RESET/IO3
CLK QSPI_SCK
3 *WP/IO2 6
QSPI_IO0
4 GND DI/IO0 5
Q307
V_IN
K A
D303
S
D G
5
VIN
4
EXT/
+1.8V
Q308
Batt_PW_EN
5
VIN
IC304
R324
R323
4 1 VOUT 4
CE
VSS
NC
1k
2 VIN 3
NC
Q309
NC
77
L1T
(YELLOW)
P101
L1R
(BROWN)
1
22
GAP
2
VDD6:4.0V
+4.0V
VDD6
Q331
L331
10u
+5.5V
+5.5V
R301 100k
R302
Q301
2.2k
Q302
Q303
R306 47k
Q304
R307
Q305
2.2k
Q306
BATT
NC: No Components
!
F301 DCP
3A
DCM
!
F302 BATT+
2.5A
Battery
BATT-