KX-TG1611UAF, KX-TG1611UAH, KX-TG1611UAR, KX-TG1611UAW, KX-TG1612UAH, KX-TG1711UAB, KX-G1711UAJ, KX-TG1711UAW — Panasonic Telephone Service Manual Supplement (repair manual). Page 4

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4
3 CHANGES
3.1.
Schematic Diagram
3.1.1.
Schematic Diagram (Handset)
+3.3VDC
+2.85V
DC
+1.5VDC
+2.5VDC
SIGN170
PNLB1221YA-AP
PCB
RE1
TALK
1
#
0
5
6
TP23
FLASH
TP22
3
2
CLEAR
VDDC
C124
100n
TP17
VDDDCDC2
C123
10p
P1.0
SW1
POWER
C122
1P
C126
100n
R121
100k
TP12
TP13
BZ1
Q104
BAT
D107
C148
100n
C109
100u
6.3
VDDBAT
C125
NC
VDDDCDC1
TP1-
TP2+
C112
NC
MIC+
C105
100n
MIC-
C107
10u
VDDDCDC2
C100
NC
BATTERY+
BATTERY-
CHARGE-
VDDBAT
VDDDCDC2
CHARGE+
Q102
TP5
C142
1u
R108
3.3k
TP6
C129
100n
G
G
C803
100n
VDDPA
VDDPA
G
G
C817
0.9p
G
C825
5p
G
G
220u
6.3
C110
1u
G
C128
100n
ANT1
G
G
VDDIO
C111
10p
C151
K1u
D803
1
2
3
*
4
7
8
9
UP
DN
PHONEBOOK
MENU/OK
PAUSE
REDIAL
CID
VDDIO1
L103
10u
C101
0.1u
C170
NC
R171
NC
ANT
1
CN2
1
CN2
2
CN2
3
CN2
4
CN2
5
CN2
6
CN2
7
CN2
8
CN2
9
CN2
10
CN2
11
CN2
12
CN2
13
CN2
14
CN2
15
CN2
16
G
G
1
2
G
G
*R201
NC
VDDDCDC1
VBAT
GND
TXD
RXD
IC101
1 G
G
R170
NC
C826
10p
G
ANT-Short
Q105
C815
0.8p
C115
100p
C116
100p
C186
1000p
C119
NC
C121
10p
C160
NC
C161
NC
C162
NC
C163
NC
C131
C140
4.7u
Q101
B
E
C
Q103
B
C
E
*Q201
1
2
X101
20.736M
100n
C127
1
3
2
C830
NC
VDDIO
C203
NC
ZA1
G
G
G
RA101
120
RA801
390
C801
NC
G
C823
10p
C821
10p
C149
10p
R102
0.1
C202
0.1u
C812
1.8p
C819
0.8p
C807
10p
C820
10p
IC103
3
SDRV
4
SENSE
5
ONSW
6
VCORE
7
VOSC
8
VSSOS
9
XTAL
10
LOAD
11
RXON
25
RXI
26
VVCO
27
VSSVCO
28
VDDBRF
29
VSSRF
30
RFOUT
31
VDDRF
32
VDDPLL
33
VDDPA1
47
NC10
48
VDDE2
49
NC11
50
A20/PL20/P0.5/TONE/PWM
51
VDDE3
52
A21/PL21/P0.6/R1
53
A22/PL22/P0.7/R2
54
VDDDCDC
55
CHARGESTART
76
I2CLK
77
SUPEEP
78
VIO2
79
MTSR/P1.5
80
SCLK/P1.6
81
TCK/P1.5/P0.3
82
VIO3
83
NC17
84
NC18
1
VDDB
2
RESETQ
12
TXON
13
RTS/PX0
14
CTS/PX1
23
PY4
24
RXIX
34
VSSPA1
35
POX
36
NC1
45
NC8
46
NC9
56
CDT
57
MICP
58
MICN
74
P0.0/PWM
75
I2DAT
85
P1.0
86
P1.1
87
TXD/R1
15
PX2
37
PO
59
MICS
88
RXD/R2
89
VSS
16
PX3
17
VIO1
18
PX4
19
PY0
20
PY1
21
PY2
22
PY3
38
NC2
39
VDDE1
40
NC3
41
NC4
42
NC5
43
NC6
44
NC7
60
MAD2P
61
MAD4P
62
MAD4N
63
VSSA1
64
NC12
65
NC13
66
NC14
67
NC15
68
VSSA2
69
VANA
70
HO1P
71
HO1N
72
NC16
73
VDDE4
C144
2p
R111
1k
C104
NC
*R141
1
*C141
10u
10u
C103
D102
NC
D103
1000pF
1 A0
A1
A2
GND
LCD
BUZZER
LCD Back Light LED
Reciver
MIC
ECN
ECN
ECN
ECN
ECN
R122
10k
C102
220u
6.3
R107 56
2
S
3
K
4
A1
5
A2
6
D
R101
3.3k
R105
1.1k
R106
1.1k
C106
100n
G
G
NC
C108
C120
0.1u
*D106
*D105
3
2
1
4
ANT-Short-GND
2
G
C814
1.8p
C813
3p
C804
100n
C802
4.7u
1
2
3
4
G
G
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
6
SCL
7
WP
3
8
VCC
4
5
SDA
C150
C152
K1u
K1u
1
2
1
2
C113
NC
D104
AK
R114
12
RA102
1k
1
2
3
4
VDDIO1
C204
NC
C201
0.1u
1 2 3 4 5
6
7
9
11
8
10
12
KX-
TGA161RURXA
  SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
ECN
C114
1000p
IC102
VDDDCDC2
+
-
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