Schematic Diagram (Base Unit) - Panasonic KX-TG1711MEB Service Manual

KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB

13.2. Schematic Diagram (Base Unit)

+0V DC ON-HOOK
+9.8V DC OFF-HOOK
+0V DC ON-HOOK
+9.8V DC OFF-HOOK
*R4
150
Q1
NC C10
C C
C8
R2 C5 R7
100 1u 100k
*R8
C
820k
C
IC1
1 A0 8
VCC
2 A1 7
WP
44 HO1P
3 A2 6
45 HO1N
SCL
46 P0_0/PWM
4 VSS 5
SDA
47 I2DAT
C
48 I2CLK
C
49 SUPEEP
50 MTSR
51 SCLK
P1.0
52 P1_0
53 P1_1
TXD
54 TXD
RXD
55 RXD
GND1
56 VDDBAT
57 RESETQ
C
R17
58 SDRV
100k
59 SENSE
C12 100n
C
Shield
5 4
6
1 2 3
C
+0V DC ON-HOOK
+0.7V DC OFF-HOOK
LINE_DC
C
C
C C
Q2
NC
*R11
3.3k
C
C C
C C
C
*R15 C
C C
2.2k
C C C
VDDA
+2.5VDC
VDDA
2.5Vdc
GND4
GND3
GND2
GND1
*IC3
VDDPA1
VVCO/VDDRF/VDDPLL
VDDBRF
RXI
RXIX
PY4/ANT2
PY3/ANT1
C
SW1
1 2
C23
C22
3 4
2p 10p
C
R802
1
3
R801
20.736M
330
X1
2
C
330
+60V DC ON-HOOK
+10V DC OFF-HOOK
*Q3
E
D2
1 2
B R26
100k 4 3
C
*R27
*Q4
C
680
B
E
C
C C
*R24
R50 R52 R33 C26
NC
330k NC 820k 10n
C70 C72
NC
680p
C
*R25
NC
R51 R53 R34 C27
330k NC 820k 10n
C71 C73
+2.65VDC
680p
NC
VDD
C
IC2
2.65Vdc
2 OUT1
4 OUT2
ADJ
1
C C
C
C
VDD
C
VDDPA/RF
IC3
C
C
68 GND11 GND12
69
67 GND10 GND13
70
66 GND9 GND14
71
27
65 GND8 GND15
72
26
GND16
73
25
64 VDDIO
24
63 VDDE2
62 VDDE1
POS
61
POX
60
23
22
21
20
19
18
17
C
C C
C C
C820
1p
C C
R43 330
R44 330
KX-TG1711/1712ME SCHEMATIC DIAGRAM (Base Unit_Main)
50
C
*P101
SA2
NC
!
C
+5.5V
J101
F1
DC_IN 3A
3
IN
C C C
C
ANT_2
TP3
2 1
C
C
/4
C
VDDPA/RF
C
C826
C
C 10p
VDDPA/RF
C
NC: No Components
L1T
L1R
DCP
DCIN +
DCM
DCIN -
C
CL14
Charge +
CL13
Charge -
C
ANT_1
TP4
1 2
C
C
/4
C
C
C
C
C