73
KX-TG8162ALB/KX-TG8163ALB/KX-TGA815AZB
KX-TG8161AL SCHEMATIC DIAGRAM (Base Unit (Main))
UTX
URX
LCD_CD
HOOK
LCD_CS
LCD_CLK
LCD_SIO
BELL
PULSE_MUTE
HOOK
BELL
EEP_WP
EEP_SCL
EEP_SDA
KEYS_C
KEYS_D
LCD_BLT
CHARGE_DET
PULSE_MUTE
HS_SUPPLY_DET
CAP_SW
CAP_CHG
+5.5V
VBAT
RA504
68
1
2
3
4
R178
1k
C185
10p
C133
NC
C151
10p
C501
0.1u
C520
0.1u
R121
390k
R122
390k
C120
1000p
C172
NC
+3.0V
C111
0.047u
C112
0.047u
+3.0V
DCP
DCM
CHARGE-
C124
10p
C123
10p
C342
0.1u
R505
2.2k
+5.5V
+3.0V
R703
1k
C304
1u
VCCA
VCCA
C506
1u
C502
10u
C505
10u
ZA1
1
2
6
7
9
11
3
4
5
8
10
12
C308
0.01u
C302
10p
R301
120
*C361
NC
C503
10u
C504
1u
C521
1u
R501
10
+3.0V
VDDC
C309
NC
C310
NC
C311
NC
R179
1k
RA151
1k
1
2
3
4
VBG
VREF
D361
NC
C303
0.1u
C134
NC
GAP
L501
100n
+3.0V
R302
47
R303
4.7k
IC301
3
VOUT
5
VIN
4
EXT
1
ON/*OFF
2
VSS
C110
0.047u
C321
10p
C306
100u
16
L2R
L1R
L1T
L2T
SA103
NC
2
1
*D104
NC
A
K
C103
N
C
C104
N
C
R103
NC
*D103
NC
AK
D101
4
3
1
2
*R123
NC
(3216)
R141
100k
R142
2.7k
2
4
1
Q
.
R144
1
0k
D141
C142
10n
Q161
C163
NC
R161 100k
C152
0.01u
4
8
1
C
u
1
C181
NC
1
8
1
R
0
0
1
P
T
LINE_DC
R166
NC
R117
100k
R115
5.6M
R116
5.6M
R118
100k
F301
3A
D362
CHG+
C115
100n
C116
100n
C114
0.047u
+5.5V
C341
1000u
6.3
R312
NC
C313
NC
R306
680
R311
0
Q141
Q111
D133
D132
D153
NC
D113
D301
3.3V
Q302
R605
3.3k
+3.0V
R606
3.3k
R612
10k
C611
0.1u
R136
NC
C161
1
0u
*C162
NC
R170
NC
*C156
NC
*Q901
*R916
10
*R915
6.8k
R658
100
*R659
100
*R701
NC
*R909 NC
*C910
22u
*C911
22u
*C912
22u
*Q701
NC
3
7
1
C
u
2
2
.
0
+3.0V
*R905
1k
+5.5V
*R911
3.3k
*R168
N
C
*R908 0
*R300
NC
R372
1
(0.5W)
R371
1
(0.5W)
R163
12
(0.5W)
R167
27
(0.5W)
*Q354
*Q353
*Q902
*Q905
*R918
10k
*R907
100k
*R904
10k
R114
68k
*R148
10k
*R149
680
*R165
27k
C113
0.01
u
*Q904
*R920
22k
*R906
10
(0.5W)
*Q702
NC
*R917
1.5k
*Q903
*R902
2.7k
*R151
NC
R702
1k
*R351
1k
*R352
1k
*R354
33k
*R360
47k
Vcap
VBAT
C165
NC
R177 1k
C177
NC
R113
22k
R111
1M
R112
47k
*D302
P101
SA101
C186
33p
*R304
2
.2k
*R923
3.3k
R158 4.7k
*R924
NC
*R925
3.3k
VBAT
L301
22u
Q301
1
G
2
S
3
A
4
K
5
D
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
*D151
*R353
100k
*R903
1.5k
*R912
680
*R913
390
*R914
390
*R152
100k
*R919
33k
*R124
10
C101
680p
C102
680p
C121 680p
C122 680p
*Q140
*C166
0.1u
*Q910
*R153
150k
*R169
56k
*C164
NC
*C167
2200p
*C171
0.022u
*C362 22u
*C363
22u
*C901
4F
*Q351
*Q352
*Q704
*R159
1.8k
0
7
4
0
6
1
R
*
k
2
.
2
4
6
1
R
*
*R355
680
9
5
3
R
*
C
N
*R373
680
*R707
33k
*R708
6.8k
0
1
9
R
*
0
1
*IC611
1
E0
2
E1
6
SCL
7
*WC
3
E2
8
VCC
4
VSS
5
SDA
*C143
NC
*C141
NC
*R145 2.2k
*R162
NC
*C155
220u
*C913
220u
*R901
560
3.0V
Supply from HS
Supply from PSTN
Backup CAP
DC Monitor
Caller ID
Bell detection
3.0V
15
16
13
(1)
(2)
(4)
(5)
(3)
GND
NC: No Components
2/2
IC501
Caller ID
Charge Current
Loop Current
Bell
s
ignal
TX AF
RX AF
3.0 V
3.0 V
Optional charge detector
!