Read Panasonic KX-PRX120UAW / KX-PRXA10RUW Service Manual online
76
KX-PRX120UAW/KX-PRXA10RUW
Ear_GND
1
A0
2
A1
3
A2
4
GND
8
VCC
7
WP
6
SCL
5
SDA
U1705
IC_EEPROM_BR24T16FJ-W
3 HOT
4 NC
1
HOT
2
NC
X1701
20.736MHz
SC14448A33R100QNCT
1
RF_RXN
2
RF_RXP
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
11
P
3
_4/PARADET
12
P
3
_5/RINGOUT/RINGING
1
3
P
3
_6/RINGN
14
P
3
_7/RINGP
15
P
3
_2/CIDINP
16
VREFP
17
CININN/MICP
18
CIDOUT/MICN
19
MICH
20
VREFM
21
LSRP
22
LSRN
23
VDD/AVD
24
LDO_CTRL
25
P3_3/ADC0
26
P1_0/INT0/ADC1
27
SOCP
28
SOCN
29
DC_SENSE
30
DC_I
31
DC_CTRL
32
VBAT
33
CHARGE_CTRL
34
P1_7/CHARGE
35
P3_1/DP1/POUTP
36
VDDPA
37
P3_0/DP0/PAOUTN
38
CP_VBAT1
39
CP_C1X
40
CP_C2X
41
CP_C1Y
42
CP_VBAT2
43
CP_C2Y
44
CP_VOUT1
45
CP_VOUT2
46
PI_6/PON
47
QSPI_IO2
48
QSPI_IO1
49
QSPI_CS
50
VDDIO_QSPI
51
QSPI_IO
3
52
QSPI_SCK
5
3
QSPI_IO0
54
VDD1
55
P2_7/BXTAL
56
PI_5/INT5/RDI/VDDE
57
P1_4/INT4/TDOD
58
P1_
3
/INT
3
/SIO
59
P1_2/INT2/SK
60
P1_1/INT1/LE
61
P2_6/WTF_IN
62
P0_7/SPI_DI/PWM1
6
3
P0_6/SPI_DO
64
P0_5/SPI_CLK
65
PO_4/SPI_EN
66
P0_
3
/SCL2/URX2
67
P0_2/SDA2/UTX2
68
P0_1/URX/PWM0
69
P0_0/UTX
70
VDD2
71
*RSTN
72
JTAG
73
P2_5/PCM_FSC/SF
74
P2_4/SCL1/PCM_DO/DP3
75
P2_3/SDA1/PCM_DI/DP2
76
P2_2/PCM_CLK/CLK100
77
WLED_CUR_0
78
WLED_CUR_1
79
P2_1/ECZ2/PWM1/LED4
80
P2_0/ECZ1/PWM0/LED3
81
LDORF_CTRL
82
VDD3
83
RFP0N
84
RF_SUPPLY2
85
RF_SUPPLY_PA
86
RF_TXN
87
RF_TXP
88
RF_P2
89
GND
U1707
0402
R1706
3
.3
K
3
.3
K
3
.3
K
0402
R1707
0402
R1708
0402
C1720
100nF
0402
C1721
100nF
0402
C1722
1uF
0402
C1723
100nF
STM CKM
0402
C1726
100nF
100nF
0402
C1750
100nF
0402
C1724 22pF
0402
C1725
100nF
0402
C1727
1uF
0402
C1728
22pF
0402
R1709
56K
JTAG_DECT
0402
R1710
1K
0402
C1757
1uF
1uF
0402
C1729
100nF
100nF
PAOUTN PAOUTP
0402
C1732
NC
0402
C1733
NC
0402
C1734
NC
0402
C1735
NC
0402
R1711
NC
0402
NC
R1712
0402
C1736
1uF
1uF
0402
R1713
10K
0402
R1714
NC
C1737
22pF
C1738
22pF
C1739
22pF
C1740
22pF
C1741 100nF
C1742 100nF
C1743
22pF
0402
0402
C1744
22pF
R1716
0402
0402
R1717
1.5K
1.5K
0402
R17181K
0402
C1745
22pF
0402
R1719
1.5K
C1747 100nF
0402
C1748 100nF
1
+INPUT
2
GND
3
-INPUT
5
V+
4
OUTPUT
U1704
IC_AMP_NJM2125_E
0402
R1715
0R
0402
C1756
NC
0402
C1751NC
0402
C1752
NC
C1753
22pF
R1723
0R
0402
R1720
NC
0603
C1760
2.2uF
0402
R1725
0R
0603
C1746
10uF
1
/CS
2
DO
3
/WP
4
GND
8
VCC
7
/HOLD
6
CLK
5
DI
U1706
IC_MEM_W25Q80DW_NEW1
0603
C1730
22uF
0603
C1731
22uF
0805
C1770
47uF
0402
C1749
NC
0402
R1730
0R
0402
R1731
0R
0402
R1721
NC
0402
R1760
NC
0402
R1761
NC
0402
R1762
NC
0402
R1763
2.2K
+3V
+1.8V
+1.8V
+1.8V
+3V
VBAT
VBAT
VBAT
+1.8V
[11]
MICP_DECT
[11]
MICN_DECT
[11]
HPM_DECT
[11]
RECN_DECT
[11]
RECP_DECT
VDD28_PMU
[11]
HPR_DECT
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
GND_SIGNAL
[4]
EAR_GND
[12]
Y1-CURRENT
[12]
Y2-CURRENT
[12]
X1-CURRENT
+1.8V
+1.8V
GND_SIGNAL
GND_SIGNAL
(1)
(2)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(8)
(9)
(10)
(11)
(12)
(13)
(13)
(14)
(15)
(17)
(16)
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