Panasonic KX-TG4221N

67
KX-TG4221N/KX-TG4222N/KX-TG4223N/KX-TG313SK/KX-TG4224N/KX-TG4225N/KX-TGA421N
CHARGE
CHARGE_CTRL
COL0
LDO_CTRL
SOCn
SOCp
RF_RXp
RF_TXp
R807
220
GND
GND
VBAT
C826
1.1p
C803
1.5p
TXON
GND
GND
RF_RXn
GND
GND
C837
NC
R806
220
GND
GND
RXON
GND
RF_TXn
DA801
1
2
3
GND
GND
C823
100p
GND
GND
GND
C12
K10u
R27 820
R215
0
PCB
RE1
R28
820
CARBON_CL1
C73
NC
SP-PHONE_SPEAKER
+
-
C72
NC
GND
GND
C10
K2.2u
+1.8V
MIC+
VREFmVREFm
R74 82
MIC-
C113 D10p
R73 82
C74 D10p
RCV+
C152
K1000p
C71
NC
C70
NC
GND
RCV-
RECEIVER
+
-
L47
C38
NC
C49 K1u
C50
K1u
GND
VBAT
C188 K1u
C48 NC
VREFm
C96 D10p C97 D10p
C863 7p
C864 7p
GND GND GND
GND GNDGND
GND
GND
C189 39p
R23 1k
VREFm
GND
GND
D3 NC
D4 NC
GND
S1
1 2
C75 10p
C99
10p
C98
10p
GND GND
GND
C190 K1u
GND
R94
1
R95
1
GND GND
GND GND
C95
1000p
C94
1000p
ANT1_TP
GND
1.8V
C805
2.4p
C806
2.7p
C810
1.1p
C813
1.1p
L802
5.1n
L803
5.1n
C809
100p
C820
0.5p
C804
2p
C802
2p
MIC AP1
1
2
ANT-Short
ANT-Short-GND
D21
4.3V
D22
4.3V
D13
4.3V
D14
4.3V
GND
C801
10p
R808
33
21
MICh
22
VREFm
23
LSRp
24
LSRn
25
AVD
26
LDO_CTRL
27
ADC0/P3_3
28
ADC1/INT0/P1_0
29
NTC/ADC2
30
SOCp
31
SOCn
32
CHARGE_CTRL
33
P1_7/CHARGE
34
DP1/PAOUTp/P3_1
35
VDD_PA
36
DP0/PAOUTn/P3_0
37
ULP_XTAL
38
CP_C1x
39
CP_C2x
40
CP_C1y
IC5
81
GND2
83
GND4
82
GND3
84
GND5
85
GND6
86
GND7
92
GND13
91
GND12
90
GND11
89
GND10
88
GND9
87
GND8
C36 39p
L46
C814
10p
C825
10p
C812
10p
C811
10p
C822
10p
LSRp
LSRn
Test Pattarn for Carbon
MICp
MICn
RF BLOCK
(MAX500mA)
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(8)
KX-TGA421 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
1.8V
Handset RX
Handset TX/Sp-phone TX
Sp-phone RX
RX_RF
TX_RF