Panasonic KX-TG4221N

63
KX-TG4221N/KX-TG4222N/KX-TG4223N/KX-TG313SK/KX-TG4224N/KX-TG4225N/KX-TGA421N
KX-TG4221 SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
(1)
(2)
(3)
(4)
(6)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(18)
(17)
(5)
(7)
1.2V
3.0V
Rx Tx
Caller ID
Bell
UTX
URX
SPI_CLK SPI_DO SPI_DI
BELL
HOOK
HOOK
SPI_CLK
SPI_DO SPI_DI
BELL
KEYS_C
SPI_CS KEYIN2 KEYIN3
KEYS_D
KEYIN1
SPI_CS
KEYS_E
ANS_LED
EEP_WP
EEP_SCL EEP_SDA
C120
1000p
ZA1 NC
12
6
79
11
810
12
R131 10M
L1R
+5.5V
C351
1u
C133
NC
R133 330k
C611
0.1u
R501 10
VDDC
C331 NC
DCP
C521
1u
C111 0.047u
R141
100k
+3.0V
C142 K0.01u
C509
12p
C124
NC
C151
NC
L1T
DCM
C132 K0.01u
VBAT
+3.0V
+3.0V
VCCA
+5.5V
+3.0V
+3.0V
R112 100k
C185
NC
R113 10k
C522
NC
+3.0V
F301
3.0A
CHARGE-
C186
10p
R142
2.7k
C504
1u
C123
NC
R145 2.2k
R111 100k
GND
L501
100n
C113
K0.68u
R121 390k
C519
0.1u
+5.5V
R122 390k
CHARGE+
C112 0.047u
+5.5V
C501
0.1u
C520
0.1u
VDDC
HAK_CL1
CHG+
GND
R322
100
R321
140
IC302
3
IN
2
OUT1
1
ADJ
4
OUT2
D361
NC
AK
C502
10u
C503
10u
C505 10u
C511 10u
D362
1SR154
AK
Q142
B
C
E
*SA101
300V
SA103
NC
21
Q111
D113
AK
D133
AK
D153 NC
AK
R164
2.7k
R161
100k
C16
8NC
R151
100k
C152
0.01u
R177
1k
Q171
Q161
B
C
E
C161
10u
R165 27k
+3.0V
C164
NC
R331
68k
R332
33k
RA611
3.3k
1 2 3 4
6 7 8
RA151
1k
1
2
3 4
L474
NC
L476
NC
C342 0.1u
C181 NC
C184
1u
C321 1u
C506
1u
C510
1u
C163 NC
D101
1
43
2
C507
2.2u
R510
10k
IC611
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
GND
5
SDA
C341 330u
C101 680p
C102 680p
C121 680p
C122 680p
R163 39
R152
130k
R176
1k
R175
3.9k
R172
680k
R371
1
R372
1
VREF
VCCA
VDDC
C176 1u
R114
47k
1
2
*D142
25V
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
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
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
C167
1000pC171
0.022u
C175
560p
C178
0.033u
R160
820
R171 220
R168
4.7k
*R115
NC
*C115 NC
*P101
*Q141
*D143
NC
*SA102
NC
*R162
47k
(YELLOW)
(GREEN)
GND
*IC501
5
3
3
54
REFERENCE
7XX : FOR DK/BT
3XX : POWER, CHARGE
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
4XX : MIC, SP
1XX : TEL LINE
8XX : RF
!