Panasonic KX-TG4221N

66
KX-TG4221N/KX-TG4222N/KX-TG4223N/KX-TG313SK/KX-TG4224N/KX-TG4225N/KX-TGA421N
14.4. 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
23
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
C43D10p
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+
GNDGND
GND
C46
D
10p
VBAT
+1.8V
RA1
NC
C59 NC
GNDGND 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 1k
GND
C106 NC
R51 470
C105 100p
R50 10k
C200
NC
GND
R54 10k R53 3.3k
GND
C206 NC
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
12
2
12
5
12
7
1 2
SOFT_C
1 2
SOFT_B
1 2
SOFT_A
1 2
R
12
GND
C205 NC
GNDGNDGND
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
12
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
IC3
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
Charge Current
TX _RF
RX _RF
* When "SFR" command is executed,
13.824MHz frequency will be output.
CP+3.0V
CP_LED
0.85V
1Vp-p
0V
!