69
KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B
!
UTX
URX
EEP_WP
SPI_CS
EEP_SD
A
SPI_CLK
EEP_SCL
LCD_CS
SPI_DO
SPI_DI
BELL
HOOK
LCD_RST
SP_LED
CHARGE_DET
HOOK
SPI2_CLK
SPI2_DO
LCD_CD
KEYS_A
KEYS_B
SPI_CLK
SPI_DO
SPI_DI
EEP_WP
SPI_CS
EEP_SD
A
EEP_SCL
KEYIN5
KEYS_E
KEYIN6
KEYS_D
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYIN4
C120
1000p
L476
NC
R13110M
L1R
C473 NC
+5.5V
C152
0.01u
C351
1u
C133
NC
R161
100k
R133 330k
C611
0.1u
C601 0.1u
R501 10
VDDC
C331 NC
DCP
C521
1u
C111 0.047u
+3.0V
R141
100k
+3.0V
C457 0.033u
VBAT
+3.0V
R151
100k
C142 K0.01u
C509
12p
C124
NC
C151
NC
C452
NC
L1T
DCM
C472
NC
C132 K0.01u
C460
NC
VBAT
+3.0V
C167
1000p
R505
NC
+3.0V
VCCA
Q141
B
E
C
+5.5V
+3.0V
+3.0V
R112
100k
C185
NC
R113 10k
C115
NC
VDDC
R165 27k
C522
NC
VCCA
+3.0V
R164
2.7k
F301
3.0A
L474
NC
CHARGE-
C508 10p
C458 0.033u
C186
NC
R142
2.7k(3216)
C504
1u
R451
390
C459
1000p
C123
NC
R145 2.2k
R111
100k
P101
22
X501
13.824M
VREF
C461
NC
L501
100n
C113
K0.68u
R121 390k
C519
0.1u
+5.5V
R122 390k
C112 0.047u
+5.5V
C501
0.1u
C520
0.1u
C164
NC
C451
10u
VDDC
CHG+
C322 NC
R510 NC
R115
NC
R322
100
R321
140
R702
1k
IC302
3
IN
2
OUT1
1
ADJ
4
OUT2
D143
NC
A K
C502
10u
C503
10u
C505 10u
C511 10u
D362
1SR154
A
K
C343 NC
Q142
B
C
E
Q161
B
C
E
RA652
100
1
2
3
4
5
6
7
8
R162
47k
SA101
300V
SA102 NC
2
1
SA103
NC
2
1
Q111
Q171
Q702
R511 NC
D113
A K
D133
A K
D153NC
A K
C161
10u
C168 NC
R177
1k
IC601
16M FLASH
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
R332
33k
R331
68k
RA611
3.3k
1
2
3
4
5
6
7
8
C352
NC
CHG+
R355
680
Q351
R701
3.3k
RA451
2.2k
1
2
3
4
RA452
2.7k
1
2
3
4
RA151
1k
1
2
3
4
Q352
Q353
+5.5V
R351
33k
R352
6.8k
C342 0.1u
C506
1u
C181
NC
C184
1u
C510
1u
R114
47k
R509 NC
C163 NC
C341
1000u
6.3
C344
1000u
6.3
D101
1
4
3
2
Q701
C507
2.2u
C513
2.2u
IC611
128K EEPROM
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
GND
5
SDA
C101 680p
C102 680p
C121 680p
C122 680p
R163 39
R152
130k
R176
1k
C176
1u
R175
3.9k
R172
680k
R371
1
R372
1
1
2
RA651
100
1
2
3
4
5
6
7
8
C301
NC
C321
1u
D361
NC
A K
R373
680
R354
12k
+3.0V
D142
25V
IC501
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
VCCP
A
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
VBA
T_APU
38
VDD_APU
39
VCC_IF
40
VDD_IF
41
VCC_FE
42
ANT
43
TRSW_n
44
TXn
67
GPIO[0]/SCL_IIC
68
GPIO[1]/SD
A_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]
C173
0.1u
R160
820
R168
4.7k
C171
0.022u
C175
560p
R171
220
C178
0.033u
(YELLOW)
(GREEN)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
MODEL
ZA1
NC
1
2
3
4
5
6
7
9
11
8
10
12
GND
GND
HAK_CL1
PNLB2155ZA-GW
PCB
RE1
REFERENCE
7XX : FOR DK/BT
3XX : POWER, CHARGE
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
4XX : MIC, SP
1XX : TEL LINE
8XX : RF
REFERENCE
7XX : FOR DK/BT
3XX : POWER, CHARGE
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
4XX : MIC, SP
1XX : TEL LINE
8XX : RF
Rx
Tx
Caller ID
BELL
1.2V
3.0V
5.5V
3.0V
NC: No Components
KX-TG6841/6842/6843/6844/6845/6873
SCHEMATIC DIAGRAM (Base Unit_Main)