Read Panasonic KX-TG8151RUB / KX-TG8151UAB / KX-TG8151CAB / KX-TG8161RUB / KX-TG8161UAB / KX-TG8161CAB / KX-TGA815RUB Service Manual online
77
KX-TG8151RUB/KX-TG8151UAB/KX-TG8151CAB/KX-TG8161RUB/KX-TG8161UAB/KX-TG8161CAB/KX-TGA815RUB
KX-TG8161RU/UA/CA SCHEMATIC DIAGRAM (Base Unit (Main))
UTX
URX
URX
LCD_CD
HOOK
LCD_CS
LCD_CLK
LCD_SIO
BELL
PULSE_MUT
E
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-
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
C31
1
NC
R179
1k
RA151
1k
1
2
3
4
VBG
VREF
D361
NC
C303
0.1u
C1
34
NC
GAP
L501
100n
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
D
104
NC
A
K
C103
N
C
C104
N
C
R
103
NC
D
103
NC
AK
D101
4
3
1
2
*R123
NC
(3216)
R1
24
10
*Q140
R141
100k
R142
2.
7k
Q142
.
R144
10k
C143
N
C
R145 2.2k
D1
41
C142
10n
Q161
C163
NC
R161 100k
C152
0.01u
*C164
NC
C184
1u
C181
NC
R181
0
TP10
LINE_DC
R166
NC
R11
7
100k
R115
5.6M
R116
5.6M
R11
8
100k
F301
3A
D
362
*R355
*Q351
CHG+
C11
5
100n
C11
6
100n
C114
0.047u
+5.5V
C341
1000
u
6.3
R312
NC
C313
NC
R306
680
R31
1
0
Q141
Q111
D
133
D
132
D1
53
NC
D1
13
D3
01
3.3V
Q302
R605
3.3
k
+3.0V
R606
3.3
k
R612
10k
*IC611
64K EEPROM
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
C611
0.1u
R136
NC
C161
10u
*C162
NC
*C166
R170
NC
*C156
NC
*Q901
*C913
220u
*Q910
*R916
10
*R915
R658
100
*R659
*C155
22
0u
*R701
NC
*R909 NC
*R910
10
*C910
22u
*C91
1
22u
*C912
*Q701
C173
0.22u
*Q704
+3.0V
*R905
+5.5V
*R911
3.3k
*R168
NC
*R908 0
*R300
NC
R372
1
(0.5W)
R371
1
(0.5W)
R163
12
(0.5W)
R167
27
(0.5W)
C141
N
C
*Q354
*Q353
*Q352
*Q902
*Q905
*R918
10k
*R907
100k
*C362
20
u
*C363
*R359
NC
C101 680p
C102
680p
C122 680p
C121 680p
*R904
10k
R114
68k
*R148
10k
*R149
680
*R162
NC
*R165
27k
C1
13
0.01u
*R708
*Q904
*R707
33k
*R920
22k
*R906
10
(0.5W)
*Q702
*R917
1.5k
*Q903
*R902
*R901
560
*R152
RU,CA
:100k
UA
: 120k
*R151
R702
1k
*R353
*R351
1k
*R352
*R354
*R360
47k
*R160
*R159
*R164
2.7k
Vcap
VBAT
*R913
390
*R914
*R912
680
C165
NC
R177 1k
C177
NC
*C171
0.022u
R1
13
22k
R111
1M
R112
47k
*R373
680
*D302
*D151
P101
SA101
C186
33p
*R919
33k
*R304
2.2k
*R923
3.3k
*C167 0.0012u
R158 4.7k
*R924
*R925
VBAT
L301
22u
*R903
1.5k
*C901
400000u
*R153
Q301
1
G
2
S
3
A
4
K
5
D
*R169
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
HSMI
N
25
HSMIP
26
MPWR
27
H
SSPOU
TP
28
LO
U
T
83
GPIO[1
5]
84
GPIO[1
6]
85
GPIO[1
7]
86
VD
DIO2
87
GPIO[1
8]
88
GPIO[1
9]
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
3.0V
Supply from HS
Supply from PSTN
Backup CAP
DC Monitor
Caller ID
Bell detection
3.0V
20u
22u
NC
NC
NC
RU,CA
:150k
UA
: 220k
RU,CA
:470
UA
: 680
RU,CA :390
UA : 100
RU,CA
:56k
UA
: 27k
1k
100k
33k
680
6.8k
2.7k
1k
390
6.8k
NC
3.3k
RU,CA
:0
.0
33
u
UA
: NC
100
(1)
(2)
(4)
(5)
(3)
IC501
GND
NC: No Components
2/2
Caller ID
Charge Current
Loop Current
Bell signal
TX AF
RX AF
3.0 V
3.0 V
Optional charge detector
!
Click on the first or last page to see other KX-TG8151RUB / KX-TG8151UAB / KX-TG8151CAB / KX-TG8161RUB / KX-TG8161UAB / KX-TG8161CAB / KX-TGA815RUB service manuals if exist.