14
KX-TG4222CB/KX-TG313CSK/KX-TGA421CB/KX-TGA421CN
7.4.
Schematic Diagram (Handset_Main)
COL2
COL3
ROW2
ROW3
COL4
COL1
ROW1
LCD_CD
LCD_SCL
LCD_SDA
BELL_LED
LCD_RESET
COL1
COL2
COL3
COL4
COL5
CHARGE
COL0
BELL_LED
LCD_CSB
CHARGE_CTRL
SOCp
LDO_CTRL
ROW0
COL5
SOCn
ROW1
ROW2
ROW3
ROW0
LCD_RESET
LCD_CD
LCD_SCL
LCD_SDA
LCD_CSB
URX
POWER
GND
GND
R66
1k
R64
10k
GND
C172
K0.1u
GND
R63 100
JTAG
RA61
220
1
2
3
4
UTX
+1.8V
C138
NC
GND
GND
LED12
C139
NC
RF_TXn
RF_TXp
RF_RXn
RF_RXp
TXON
RXON
C44
K0.1u
R203
56k
F
GND
C41
NC
C43
D10p
C47
K1u
C17 D10p
C11
K0.1u
C18 D10p
RA4
3.3k
C13
K0.1u
C147
NC
GND
GND
R7
1.2k
BATT-
R30
1.5k
GND
R3
1k
C35
39p
VBAT
GND
R45
0.1
C121
NC
GND
VBAT
C3
NC
BATT+
GND
GND
GND
C46 D10p
VBAT
+1.8V
RA1
NC
C59
NC
GND
GND
GND
C57
NC
GND
C58
NC
C56
NC
STM
R20
10
C52 K10u
CP_LED
C53 K10u
CPLED
C54 D10p
CP+3.0V
C51 K1u
C55
NC
C45
K0.1u
C40
k0.1u
CP+3.0V
C107
NC
R233
NC
GND
R52
1k
R232
NC
C203
NC
R55
1
k
GND
C106
NC
R51
470
C105
100p
R50
10k
C200
NC
GND
R54
10k
R53
3.3k
GND
C206
N
C
C103
100p
F1
2.5A
LED21
CP_LED
LED22
LED23
CHG(+)
CHG(-)
RA40
3.3k
1
2
3
45
6
7
8
E_SDA
E_SCLK
E_WP
RST
CHG-
CHG+
R231
NC
C201
K1u
GND
TALK
1 2
1
1 2
SHARP
1 2
6
1 2
1 2
AST
1 2
4
1 2
8
12
3
0
1 2
9
1 2
SP
1
2
2
12
5
12
7
1 2
SOFT_C
1 2
SOFT_B
1 2
SOFT_A
1 2
R
1
2
GND
C205
NC
GND
GND
GND
CP+3.0V
C866
1u
C341
NC
C342
10p
GND
C340
NC
C344
0.1u
C345
NC
GND
GND
CP+3.0V
GND
C150
16V
NC
CN51
9
VOUT
CN51
6
VDD
CN51
2
RS
CN51
10
CAP2-
CN51
13
CAP1+
CN51
7
V0
CN51
11
CAP2+
CN51
4
SI
CN51
5
SCL
CN51
16
GND
CN51
12
CAP1-
CN51
3
/CS
CN51
14
VSS
CN51
8
VR
CN51
1
GND
CN51
15
/RES
DOWN
1
2
UP
1 2
LEFT
1 2
RIGHT
1 2
D1
CKM
CP3V
X1
10.368M
1
3
2
R2 NC
R6
NC
R4
NC
C204
0.1u
Q2
Q9
C5
NC
R8
100
Q4
R31
100
D7
C1
220u
6.3
C2
220u
6.3
C7
NC
GND
IC
3
16K
1
NC1
2
NC2
3
NC3
4
VSS
5
SDA
6
SCL
7
*WC
8
VCC
R57
120
RA32
120
1
2
3
4
IC5
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/P3_4
14
RINGOUT/RINGING/P3_5
15
RINGn/P3_6
16
RINGp/P3_7
17
CIDINp/P3_2
18
VREFp
19
CIDINn/MICp
20
CIDOUT/MICn
41
VBAT
42
CP_C2y
43
CP_VOUT1
44
CP_VOUT2
45
PON/P1_6
46
VDD1
47
P2_7/BXTAL
48
P1_5/INT5/RDI/VDDE
49
P1_4/INT4/TDOD
50
P1_3/INT3/SIO
51
P1_2/INT2/SK
52
P1_1/INT1/LE
53
P2_6/WTF_IN
54
P0_7/SPI_DI/PWM1
55
P0_6/SPI_DO
56
P0_5/SPI_CLK
57
P0_4/SPI_EN
58
P0_3/SCL2/URX2
59
P0_2/SDA2/UTX2
60
P0_1/URX/PWM0
61 P0_0/UTX
62 RSTn
63 JTAG
64 P2_5/PCM_FSC/SF
65 P2_4/SCL1/PCM_DO/DP3
66 P2_3/SDA1/PCM_DI/DP2
67 P2_2/PCM_CLK/CLK100
68 WLED_CUR_0
69 WLED_CUR_1
70 WLED_CUR_2
71 P2_1/ECZ2/PWM1/LED4
72 P2_0/ECZ1/PWM0/LED3
73 VDD2
74 LDORF_CTRL
75 RFP0n
76 RF_SUPPLY2
77 RF_SUPPLY_PA
78 RF_TXn
79 RF_TXp
80 RFP2
93
GND1
C104
10p
C865
10p
BELL LED
(Amber)
TO RF BLOCK
To Charge
Terminal
To Battery
LCD_BACKLIGHT
(US:Amber)
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(8)
NC: No Components
Char
g
e Current
TX _RF
RX _RF
*
When "
S
FR" command i
s
executed,
1
3
.824MHz frequency will be output.
CP+
3
.0V
CP_LED
0.85V
1Vp-p
0V
!
