KX-PRX120RUW, KX-PRX150RUB, KX-PRX120UAW, KX-PRXA10RUW, KX-PRXA15RUB - Panasonic Telephone Service Manual Supplement (repair manual). Page 11

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11
For KX-PRX110AGW
MO
KX-PRX110AG  SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
CHARGE_DET
QSPI_IO1
QSPI_CS
QSPI_IO2
QSPI_IO0
QSPI_SCK
QSPI_IO 3
PF_SUP
QSPI_IO
3
QSPI_SCK
QSPI_IO0
QSPI_IO2
QSPI_IO1
QSPI_CS
ACFL
Q8
C614
1u
R615
56k F
R16
R15
2.7k
0.25W
10k
R12
3
NC
(3
216)
R14
100k
R18
27k
NC
R27
100k
R19
8.2k
R24
39k
R2 3
R29
*R20
2.4k
100k
*R30
270
C18
NC
C57
N
C
R21
12
TP9
C2
3
NC
R28
470k
C22
1u
C155
(1005)
NC
R 33
1k
R 35
1k
R10
100k
R8
100k
C61
100n
R117
3.
3
k
C75
100n
*D16
*D15
NC
A
K
NC
AK
C306 NC
C305
1u
F1 3A
*R2
NC
D21
Q9
R106 220
R109
220
C2
NC
C167
NC
C7 100n
C8 100n
C65 D10p
L2T
L2R
D26
NC
ANT1
RF_RXn
RXON
ANT2
RF_RXp
Q5
C9
680p
C10
680p
LINE_DC
C1
NC
R 36
120k
C617
1u
R4
1M
R6
1M
R 3
180k
R5
180k
C5
10n
C6
10n
C42
10n
C4 3
10n
R42
4.7M
R4 3
4.7M
C3
680p
C4
680p
C54
33n
82n
C55
R3
2
82k
R 34 82k
C52
820p
C5 3 820p
*R7
5.6M
*R9
5.6M
*Q2
R22
2
7
R3
7
3
.9k
R40
270
C171
D10p
RA1
1k
1
2
3
4
R 38 1k
+3.0_CP
RF_TXp
RF_TXn
TXON
R71
10k
R611
10k
P1
C1
3
6
D10p
C1
3
7
D10p
C168
D10p
C169
D10p
C170
D10p
+1.8V
GAP
D3
4
3
1
2
C3
20
100n
GND
C16
C17
NC
C15
NC
*C14
0.027u
*C56
K0.1u
R116
0
0
TP10
GND
C141
NC
R3
20
2.2k
+5.5V
Q3
+1.8V
+2.4V
+2.85V
+1.8V
J101
DC_IN
+2.85V
R95
R605
4.7k
NC
Q10
NC
NC
C86 1u
C3
9
C3
8
C
37
C3
6
220p
NC
C
3
0
NC
C88
0.01u
R1 30
1k
C62
3
D2
3
C622
NC
R129 10k
C156
NC
R811
NC
R126
NC
NC
NC
CHARGE+
C626
C157
1000P
+1.8V
D22
NC
TP16
TP15
D28
NC
R607
0.1
+5.5V
+5.5V
GND1
R9
3
680
R91
33
0
C602
180p
C702
C701
NC
+3.0_CP
+2.85V
+2.85V
+2.85V
R3
6
4
NC
+5.5V
R609 12k
L1R L1T
DCP
DCM
C
32
100u
16
1000u
6.
3
R608
0.1
C640
NC
R612 0.1
Q23
D5 NC
D6 NC
NC
D9
D10
NC
NC
NC
NC
Q361
NC
10u
50
SA1
2
1
SA2
NC
2
1
Q602
*Shield
1
2
6
7
9
11
3
4
5
8
10
12
Q22
R56
NC
(0.5W)
R55
NC
(0.5W)
R57
NC
R 351
NC
+2.85V
C
35
2
NC
R
3
54
NC
NC
2.7V
2
VIN
1 VOUT
3
NC
4
VSS
CHARGE+
R3
58
10k
+5.5V
+5.5V
R3
5
5
NC
+5.5V
+1.8V
Q352
R
35
2
NC
VDD3
VDD1
VDD2
1
2
3
4
5
1 *CS
2 SO/SIO1
6
SCLK
7
NC/SIO 3
3 *WP/SIO2
8
VCC
4 GND
5
SI/SIO0
Q4
X1
10.368M
1
3
2
C29
0.1u
C4
3
1
0.1u
0.1u
C704
0.1u
C142
560p
C76
10p
C74
NC
D27
NC
*R124
10
*C12
N
C
*C166
NC
*R17
2.2k
Q363
NC
R 365
NC
R 366 NC
+2.85V
Q351
NC
R610 22k
C77
NC
C
358
N
C
R3
6
9
N
C
L3
22uH
GND
GND1
R3
6
7
22k
R3
5
3
22k
Q354
R 368
NC
Q362
NC
R
359
10k
R
3
60
56k
R
3
63
NC
R
3
62
NC
R3
6
1
NC
*R
3
1
1.2k
*C19
2700p
*C25
0.01u
*C28
C27
0.15u
*R13
*R12
1
VSS_LNA1
2
RF_RXn
3
RF_RXp
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
PARADET/P 3_4
14
RINGOUT/RINGING/P 3_5
15
RINGn/P 3_6
16
RINGp/P 3_7
17
CIDINp/P 3_2
18
VREFp
19
CIDINn/MICp
20
CIDOUT/MICn
21
MICh
22
VREFm
23
LSRp
24
LSRn
25
AVD
26
LDO_CTRL
27
ADC0/P
3
_
3
28
ADC1/INT0/P1_0
29
NTC/ADC2
3
0
SOCp
31
SOCn
32
CHARGE_CTRL
33
P1_7/CHARGE
68
WLED_CUR_0
69
WLED_CUR_1
70
WLED_CUR_2
71
P2_1/ECZ2/PWM1/LED4
72
P2_0/ECZ1/PWM0/LED
3
7
3
VDD2
74
LDORF_CTRL
75
RFP0n
76
RF_SUPPLY2
77
RF_SUPPLY_PA
78
RF_TXn
79
RF_TXp
80
RFP2
97
GND
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_IO 3
91
QSPI_SCK
92
QSPI_IO0
93
VDDIO
94
QSPI_IO2
95
QSPI_CS
96
QSPI_IO1
3V DCDC convertor
DC_IN
Charge -
Charge +
IC7
IC7
*IC351
IC2
IC431
(1)
(2)
(3)
(4)
(5)
2.85V
3.0V
1.8V
Rx AF
Rx RF
Tx AF
Tx RF
Caller ID
Bell signal
Loop current
0.75V
0V
250mVp-p
!
Bell signal
NC 
NC 
NC 
Correction for AG
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