Panasonic KX-TGCA20EX - Page 71

71
KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20
NC: No Components
KX-TGC220 SCHEMATIC DIAGRAM (Base Unit (Main))
3.0V
Rx
Tx
UTX
URX
HOOK
BELL
KEYS_C
KEYS_D
EEP_SCL EEP_SDA
EEP_WP
CHARGE_DET
PULSE_MUTE
PULSE_MUTE HOOK
BELL
C120
1000p
C351
1u
C611
0.1u
R501 10
DCP
C521
1u
PNLB2385YA-GW
PCB
RE1
DCM
VBAT
+3.0V
+3.0V
VCCA
+3.0V
+3.0V
F301
3.0A
CHARGE-
C504
1u
L501
100n
R121 390k
+5.5V
R122 390k
CHARGE+
+5.5V
C501
0.1u
C520
0.1u
VDDC
HAK_CL1
CHG+
GND
IC302
3
IN
2
OUT1
1
ADJ
4
OUT2
C502
10u
C503
10u
C505 10u
D362
1SR154
AK
RA611
3.3k
1 2
3
45
6 7 8
RA151
1k
1
2
3
4
C342 0.1u C321 1u
C506
1u
C341 330u
6.3
C121 680p
C122 680p
R371
1
R372
1
VREF
VCCA
VDDC
ZA1
12
6
7
9
11
34
8
10
521
GND
IC611
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
GND
5
SDA
+5.5V
C102 680p
C115
100n
R123 NC
R158
4.7k
R141
100k
R142
2.7k
D141
R118
100k
SA101 270V
21
R167 NC
R103
NC
C184
1u
P101
C161
10u
*Q141
B
E C
*C143 NC
Q161
B
C
E
L1R
C103
NC
C164 0.1u (for BL)
R163
39
C142 K0.01u
*R149 NC
L2R
D142
NC
R117 100k
GAP
1
2
R160
270(for BL)
820(for BX,UE)
D101
1
43
2
*Q140
NC
L2T
R104
NC
R115 5.6M
D133
L1T
C152 0.01u
C104 NC
D132
R164
2.2 k(for BL)
2.7k(for BX,UE)
R15
2130k
Q142
*R148 NC
R165 27k
*R145 2.2k
C101 680p
R144 NC
R162
R151
100k
C167
2700p(for BL) 1000p(for BX,UE)
SA102
NC
21
*R124 NC
R116 5.6M
C166
NC
C116 100n
R701
3.3k(for BL)
Q701
(for BL)
Q702
(for BL)
R702
1k
+3.0V
C112
0.1u
C110
0.1u
R113
22k
R114
68k
+3.0V
D113
R111
1M
Q111
R112
47k
C113 0.01u
VDDC
R169
0.033
u(for BL)
0.022(for BX,UE)
*C141 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
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
R159
1.5k(for BL) 0(for BX,UE)
C182 10p
C181
NC
R321
140
R322 100
SHIELD
PCB
RX
3XX : POWER, CHARGE
7XX : FOR DK/BT
9XX : BACKUP
1XX : TEL LINE
4XX : MIC, SP
(BLACK)
(BROWN)
6XX : FLASH, EEPROM, KEY, LCD
5XX : BBIC
(RED)
(YELLOW)
8XX : RF
DC Monitor
TX
2/2
(1)
(2)
(3)
(4)
(5)
(6)
(8)
(7)
Bell detection
Caller ID
1.2V
C171
27k(for BX,UE)
47k(for BL)
!