75
KX-TG4753B/KX-TG470B/KX-TGA405B
KX-TG4753
SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
URX
UTX
EEP_WP
SPI_CS
EEP_SDA
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
EEP_SCL
EEP_SDA
KEYIN3
KEYIN2
KEYIN1
KEYS_C
KEYIN4
KEYIN5
KEYS_D
KEYS_E
KEYIN6
SPI_CS
C473
NC
C120
1000p
D101
4
3
1
2
C184
K1.0u
L476
@Doub
NC
C174
NC
NC
NC
ZA1
NC
1 2 3 4 5
6
7
9
11
8
10
12
R131
10M
L1R
R509NC
C475
NC
+5.5V
C152
0.01u
C351
1u
C133
NC
C455
NC
R161
100k
R133
330k
*R701
NC
C175 1000p
C507
K2.2u
C342
0.1u
R503
NC
C611
0.1u
C601
0.1u
R501 10
VDDC
C331
NC
R114
47k
DCP
C521
1u
C111
0.047u
+3.0V
*RA452
NC
1
2
3
4
C173
K0.22u
C513
K2.2u
R141
100k
C512
0.1u
VCCA
R171
22
+3.0V
*C457
NC
VBAT
C172
NC
+3.0V
R151
100k
R176
100
C142
K0.01u
C509
12p
C124
10p
C151
10p
*C452
NC
L1T
DCM
C472
NC
C132
K0.01u
C460
NC
R605
3.3k
*R703
NC
VBAT
+3.0V
C167
NC
RA504
68
1
2
3
4
C176
10u
R505
2.2k
C181
NC
+3.0V
VCCA
Q141
B
E
C
+5.5V
+3.0V
+3.0V
R112
100k
R612
10k
C185
NC
R113
10k
C115
NC
VDDC
C514
0.1u
C454
NC
R172
100k
R165
27k
C163
C165
C522
10p
RA151
1k
1
2
3
4
VCCA
+3.0V
R164
2.7k
F301
3.0A
L474
@Doub
NC
CHARGE-
C508
10p
*C458
NC
R152
470k
R166
NC
C186
10p
R160
910
R142
2.7k
(3216)
C530
10p
C504
1u
*R451
NC
*C459
NC
R606
3.3k
C123
10p
R145
2.2k
*RA451
NC
1
2
3
4
R111
100k
P101
22
X501
13.824M
VREF
R506
NC
GND
C461
NC
L501
100n
R601
NC
C113
K0.68u
C506
1u
GAP
R121
390k
C519
0.1u
+5.5V
R175
560
R122
390k
C112
0.047u
C321
1u
+5.5V
C501
0.1u
C510
K1u
R178
1k
C520
0.1u
C164
NC
*C451
NC
VDDC
HAK_CL1
CHG+
R331
68k
C322
NC
VBG
R136
100k
GND
R115
NC
R322
100
R321
140
C306
NC
*R702
NC
3
IN
2
OUT1
1
ADJ
4
OUT2
D142
30V
A K
D361
NC
A K
C502
10u
C503
10u
C505 10u
C511
10u
*Q701
NC
D362
A
K
C701
NC
C178
0.022u
C343
10p
Q142
B
C
E
64K EEPROM
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
R332
33k
Q161
B
C
E
RA651
100
1
2
3
4
5
6
7
8
RA652
100
1
2
3
4
5
6
7
8
R162
47k
C341
330u
6.3
L101
L102 NC
NC
SA101
300V
SA102
NC
2
1
SA103
NC
2
1
Q111
Q171
C102 680p
C101 680p
C121
680p
C122
680p
*Q702
NC
D113
D133
A K
A K
D153
NC
A K
C161
10u
C168
2.2u
C301
NC
R163
12
R167
27
R371
1
(0.5W)
R372
1
(0.5W)
16M FLASH
1
*CS
2
SO/SIO1
6
SCLK
7
NC/SIO3
3
*WP/SIO2
8
VCC
4
GND
5
SI/SIO0
*R373
NC
R177
1k
C177
NC
D143
NC
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
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
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]
C171
4700p
REFERENCE
7XX : FOR DK/BT
3XX : POWER, CHARGE
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
(YELLOW)
(GREEN)
4XX : MIC, SP
1XX : TEL LINE
8XX : RF
IC302
IC611
*IC601
*IC501
(8)
(9)
(10)
(11)
(5)
(6)
(7)
(1)
(2)
(3)
(4)
(12)
(13)
(14)
(15)
1.2V
Rx
Tx
Caller ID
Bell
!