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KX-TG4021MET/KX-TG4022MET/KX-TG4023MET/KX-TGA403MET
14.4. Schematic Diagram (Handset_Main)
C harge C urrent
F1
BATT+
5.6n
BATTERY
BATT-
C35
R45
J56p
0.1
GND
CHG(+)
CHARGE
Terminal
CHG(-)
GND
GND
GND
+1.8V
BAT
2
3
UTX
URX
1
4
GND
RA61
220
GND
R63
JTAG
100
COL0
COL1
COL2
COL3
COL4
COL5
BATTERY
BELL LED
(Amber)
*LED12
GND
GND
NC: No Components
BATTERY
C1CP1
6.3V
330u
GND
GND
R2
NC
Q4
D7
R4
R6
R31
NC
NC
100
R3
Q9
1k
C121
NC
GND
GND
Power_adj
UTX
URX
JTAG
PON
PSEL
VDD_PADRV
TXp
TXn
TXON
To PA
RF_RXp
RF_RXn
RXON
TO RF BLOCK
[EX /FX]
[RU]
CP+3.0V
CP+4.0V
*R248
*R249
0
NC
KEY B/L
*RA31
*RA30
330
330
Q7
GND
C340
NC
+1.8V
R406
NC
R407
GND
NC
R401
NC
D400
R330
R400
Q400
1M
NC
NC
NC
C400
C331
1u
NC
GND
GND
GND
GND
Q401
R403
NC
NC
R404
NC
GND
+1.8V
C44
K0.1u
61
RSTn
R225
62
JTAG
LCD_CSB
0
63
P2_5/PCM_FSC/SF
64
STM
P2_4/SCL1/PCM_DO/DP3
65
P2_3/SDA1/PCM_DI/DP2
LCD_RESET
66
P2_2/PCM_CLK/CLK100
67
P2_1/ECZ2/PWM1/LED4
BELL_LED_A
68
P2_0/ECZ1/PWM0/LED3
C45
69
VDD2
K0.1u
70
C46
LDORF_CTRL
71
RF_SUPPLY2
72
10p
RFP0n
73
RFP4
74
RFP3
75
VDD_PADR
76
TX _RF
VSS_PADR1
77
RF_TXp
78
RF_TXn
79
VSS_PADR2
80
RFP2
BATTERY
81
GND
RX _RF
GND
*X1
250 m V p - p
10.368M
0.75V
0V
LCD B/L
*RA32
120
70
C341
C342
NC
J39p
GND
GND
BATTERY
Q11
D1
Q12
C2
CP2
6.3V
R331
C332
330u
27k
1u
GND
R332
GND
27k
GND
GND
CKM
R20
10
3.0V
4.0V
CP+3.0V
CP+4.0V
CP3.0V
CP4.0V
GND
POWER
C53
K10u
C51
C38
K1u
C52
K10u
C54
D10p
GND
C55
D10p
GND
1
GND
40
VBAT2
39
CP_C1y
38
CP_C2x
37
CP_C1x
36
VBAT1
*IC1
35
PAOUTn/P3_0
34
VDDPA
33
PAOUTp/P3_1
32
CHARGE
P1_7/CHARGE
31
CHARGE_CTRL
CHARGE_CTRL
30
L46
GND
SOCn
29
L47
SOCp
28
NTC/ADC2
27
ADC1/INT0/P1_0
26
ADC0/P3_3
25
PARADET/P3_4
24
RINGOUT/RINGING/P3_5
23
RINGn/P3_6
22
RINGp/P3_7
21
CIDINp/VREFp
C17
D10p
C18
VREFm
D10p
RA4
3.3k
1
3
2
R215
GND
0
R27
820
R28
820
RF-SHIELD
RE2
GND
(MAX500mA
+1.8V
1.8V
1.8V
Q2
C10
K2.2u
GND
(1)
(2)
(3)
NC
S1
2
(4)
(5)
(6)
SOCn
SOCp
COL0
COL1
COL2
COL3
GND
COL4
VREFm
(7)
(8)
(9)
(10
(11
(12)
(13
(14)
(15
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