72
KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B
14.5. Schematic Diagram (Handset_Main)
STB_D
KIN_4
CHG_CUR
STB_E
STB_CSTB_C
KEY_LED
EEP_WP
EEP_SCL
EEP_SDA
EEP_WP
STB_D
LCD_RESET
LCD_SID
LCD_SCL
LCD_CS
LCD_CD
KIN_1
KIN_2
KIN_3
KIN_4
KIN_5
STB_A
STB_B
URX
UTX
STB_C
STB_E
CP_OFF
KEY_LED
CHG_CTRL
CHG_DET
UTX
URX
CHG_CUR
KIN_2
HEADSET_DET
KIN_3
STB_B
KIN_1
KIN_5
STB_ASTB_A
CP_OFF
EEP_SDA
EEP_SCL
LCD_CS
LCD_RESET
LCD_CD
LCD_SCL
LCD_SID
VBAT
GND
C35
NC
GND
GND
GND
C43
K0.1u
GND
GND
C41
k0.1u
C11
K0.1u
C13
K0.1u
GND
C5
K0.1u
GND
GND
VDDC
C59
NC
C60
NC
R60
NC
GND
GND
GND
GND
FLASH
0
SP
7
9
3
8
2
6
5
4
1
GND
GNDA
VDDC
CP3V
C40
k0.1u
GND
C25
K2.2u
C22
k0.1u
R24
10
C44
K1u
GND
R4
47k
C45
K0.1u
GNDA
GNDA
VBAT
RA2
330
CP3V
CP3V
CP3V
CP3V
GND
RXn
TXn
TXp
RXp
C36
0.1u
VBAT
C21
1u
C69
0.1u
R66
10k
R67
10k
R68
10k
R69
10k
GND
C17
10p
C18
10p
CKM/STM
3.0V
R3
1.5k
GND
GND
R7
100k
C46 10p
C31
10u
(1608)
C26
10u
(1608)
C51
10u
(1608)
C20
10u
(1608)
C15
39p
L3
C9
NC
F1
2.5A
RA5
3.3k
1
2
3
4
6
5
7
8
GND
C4
NC
DOWN
UP
LEFT
RIGHT
CP4V
IC4
4.0V
1
VOUT
2
GND
4
CN
5
VCC
3
SHD
6
CP
C58
1u
CP3V
C1
6.3V
NC
C6
0.1u
(1608)
C23
0.1u
C24
1u
C68
1u
C32
1u
GND
C34
39p
Q2
C27
1000p
Q3
R9
30k
R2
30k
Q4
R6
10k
C56
1u
C57
1u
IC3
32K
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
C33
0.1u
VBG/CHG_MON
C76
NC
CP4V
GND
GND
C90
K0.1u
GND
C79
100p
GND
CHG+
VBAT
GNDA
C89
NC
C88
NC
R26
3.3k
C80
0.039u
R33
100k
R31
100k
R21
100k
LED5
LED4
LED2
LED1
LED3
LED6
AST
SHARP
Q6
Q9
R12
18k
R11
680
R10 1.0
R13
10k
Q12
GND
GND
Q11
Q10
Battery_ON
R19
200k
CHG+
R20
100k
Battery_ON
C30
1u
C29
1u
TALK
OFF
NR
CN3_C
5
A0
CN3_C
3
CS1
CN3_C
9
VDDA
CN3_C
1
GND
CN3_C
10
VSS
CP3V
CN3_C
11
V0
CN3_C
4
RES
CN3_C
7
SI
GND
C91
K1u
16V
C92
K1u
CN3_C
8
VDD
CN3_C
2
OTP_PWR
CN3_C
6
SCL
CN3_C
12
GND
TCK
TDO
TDI
GND_J
TMS
GND
UTX
GND
URX
VBAT
BAT-
BAT+
VBAT
C10
NC
RA3
330
CHG_CTRL
SOFT_A
SOFT_C
RTCK
ATSTN
ATSTP
CD
CHG_CUR
CHG_DET
CS
OTP
RESET
RSTN
SCL
SID
VBAT_MON
VDDC
C2
22u
6.3V
(2125)
GND
C3
22u
6.3V
(2125)
R72
0
R71 NC
CP4V
LED20
CHG+
CHG-
RA4
3.3k
R8
4.3
*IC1
DCX
[MASK]
1
GPIO[20]
2
GPIO[21]
23
MIP
3
GPIO[22]
4
GPIO[23]
5
GPIO[24]
6
GPIO[25]
7
GPIO[26]
8
VDDC2
24
HSMIN
25
HSMIP
26
MPWR
27
HSSPOUTP
28
LOUT
29
SPOUTN
30
VCCPA
45
TXp
46
RXp
47
RXn
48
GND_RF
49
TRSW_p
50
ANT_n
51
ATST_n
52
ATST_p
81
GPIO[13]
82
GPIO[14]
83
GPIO[15]
84
GPIO[16]
85
GPIO[17]
86
VDDIO2
87
GPIO[18]
88
GPIO[19]
89
GND
9
COREOUT
10
VBAT
11
DOUBCAPN1
12
DOUBCAPN
13
DOUBCAPP
14
DOUBCAPP1
15
DOUBOUT
16
DCIN0/LIN0
17
DCIN1
18
DCIN2
19
DCIN3/LIN1
20
VREF
21
VCCA
22
MIN
31
SPOUTP
32
PWM1
33
PWM0
34
DCINS
35
XOUT
36
XIN
37
VBAT_APU
38
VDD_APU
39
VCC_IF
40
VDD_IF
41
VCC_FE
42
ANT
43
TRSW_n
44
TXn
53
TEST
54
RSTN
55
NC
56
VCC_VCO
57
GPIO[27]
58
VDDUSB
59
DM_USB/GPI28
60
DP_USB/GPI29
61
VDDC1
62
JTAG_TDO
63
JTAG_TDI
64
JTAG_TCK
65
JTAG_TMS
66
JTAG_RTCK
67
GPIO[0]/SCL_IIC
68
GPIO[1]/SDA_IIC
69
GPIO[2]
70
GPIO[3]
71
GPIO[4]
72
GPIO[5]
73
GPIO[6]
74
GPIO[7]
75
GPIO[8]
76
VDDIO1
77
GPIO[9]
78
GPIO[10]
79
GPIO[11]
80
GPIO[12]
R45
0.1
(1608)
R70
100
Battery
KEY BACKLIGHT
TO RF BLOCK
FLASH:1.8V / ROM:1.2V
(AMBER)
CHARGE
Terminal
To B/W LCD Unit
LCD BACKLIGHT
(WHITE)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
Charge Current
* Start Monitor
* When "SFR" command
is executed, 13.824MHz
frequency will be output.
When on Charge
1s
1.2V
3.0V
NC: No Components
!