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KX-TG7622B/KX-TG7623B/KX-TGA410B
14.5. Schematic Diagram (Handset_Main)
!
F1
BATT+
2.5A
GND
BATT-
To Battery
GND
CHG(+)
To Charge
Terminal
CHG(-)
GND
GND
GND
GND
SOFT1
TALK
UP
7
4
*
DOWN
MENU
0
8
5
LEFT
SHARP
9
6
RIGHT
SOFT2
SP
FLASH
3.0V
BELL LED
(Amber)
GND
Q5
GND
GND
NC: No Components
Charge Current
GND
GND
GND
GND
When on Charge
1s
Q2
C19
1000p
R2
30k
Q3
R8
3.3
Q4
Q9
GND
GND
CHG_CTRL
CHG_DET
UTX
URX
GND
GND
OFF
VBAT
KIN_5
1
4.0V
KIN_4
IC4
2
1
VOUT
CP
KIN_3
3
2
GND
VCC
KIN_2
3
SHD
CN
NC
KIN_1
4.0V
3.0V
LCD_BACKLIGHT
Amber
RA1
RA2
220
330
Q6
GND
GND
VBAT
VBAT
GND
GND
GND
CHG_CUR
RA5
3.3k
E_WP
EEP_WP
E_SCL
EEP_SCL
E_SDA
EEP_SDA
* BBIC initialization -> stand-by status
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
3.0V
TDI
TMS
TCK
TDO
GND_J
3.0V
GND
RESET
Hi-Z
CHG_CTRL
EEP_SCL
67
GPIO[0]/SCL_IIC
EEP_SDA
68
GPIO[1]/SDA_IIC
CHG_DET
EEP_WP
69
GPIO[2]
HEADSET_DET
70
GPIO[3]
STB_D
71
GPIO[4]
LCD_RESET
72
GPIO[5]
73
GPIO[6]
LCD_SID
74
GPIO[7]
C40 k0.1u
LCD_SCL
75
GPIO[8]
3.0V
76
VDDIO1
LCD_CS
77
GPIO[9]
GND
LCD_CD
78
GPIO[10]
KIN_1
79
GPIO[11]
UTX
KIN_2
80
GPIO[12]
URX
KIN_3
81
GPIO[13]
KIN_4
82
GPIO[14]
KIN_5
83
GPIO[15]
C41
84
GPIO[16]
k0.1u
STB_A
85
GPIO[17]
86
GND
VDDIO2
STB_B
87
GPIO[18]
URX
GND
88
GPIO[19]
89
GND
UTX
STB_C
STB_E
CP_OFF
BELL_LED
KEY_LED
FLASH:1.8V / ROM:1.2V
6
5
1.2V
4
CP_OFF
KEY BACKLIGHT
Amber
R501
NC
RA3
330
78
3.0V
C172
0.1u
8
1
VCC
A0
7
2
WP
A1
6
3
SCL
32K
A2
5
4
SDA
VSS
IC3
GND
TXON
TXn
TXp
TO RF BLOCK
RXp
RXn
RXON
VDDC
VBAT
GND
C46 10p
C45
K0.1u
C43
K0.1u
RSTN
GND
TXn
TRSW_n
ANT
VCC_FE
VDD_IF
VCC_IF
VDD_APU
VBAT_APU
XIN
XOUT
IC1
DCINS
PWM0
PWM1
SPOUTP
VCCPA
SPOUTN
LOUT
HSSPOUTP
GND
MPWR
HSMIP
HSMIN
MIP
VREF
R23
10
3.0V
VDDC
3.0V
GNDA
VDDC
VBAT
3.0V
CHG_CUR
3.0V
3.0V
R504
NC
C504
1u
GND
To B/W LCD Unit
VBAT
44
43
C22 k0.1u
42
41
C25 K2.2u
40
C23 0.1u
39
C26 10u
38
C24
37
1u
(1)
36
35
(2)
34
(3)
VBAT
33
32
(4)
31
(5)
30
C188
29
(6)
1u
28
(7)
27
(8)
26
GND
25
24
23
(9)
GNDA
C7
NC
GNDA
GND
(10)
(11)
(12)
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