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

3.5.

Schematic Diagram

3.5.1.

Schematic Diagram (Base Unit)

[Changed from original section "13.2. Schematic Diagram (Base Unit)"]
+0V DC ON-HOOK
+9.8V DC OFF-HOOK
*R4
150
100p
C C
C8
C5
R7
R2
100
1u 100k
C
*R8
820k
C
IC1
C19
1 8
A0 VCC
NC
C
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
C
C
P1.0
TXD
RXD
GND1
C
C
C
Shield
10 9 8 7
11
6
12
1 2 3 4 5
C
+0V DC ON-HOOK
+0.7V DC OFF-HOOK
+0V DC ON-HOOK
+9.8V DC OFF-HOOK
LINE_DC
Q1
C C
C
C10
NC
*R11
3.3k
C
C C
C C
C
C C
*R15
2.2k
C C
+2.5VDC
VDDA
2.5Vdc
C24 10p
1
AOP PO
2
VDDE1 NC
3
P0.0/PWM POX
4
I2DAT VDDPA1
5
I2CLK VDDPLL
6
SUPEEP VDDRF
7
VIO1 VDDBRF
8
TCK/P1.5/P0.3 VVCO
9
VIO2 RXI
10
P1.0 RXIX
IC3
11
P1.1 ANT2
12
TXD/R1 ANT1
100k
R17
SW1
1 2
C23
C22
3 4
C
C
2p 10p
C
1
3
330
20.736M 1 4
X1
2
2 3
C
RA801
+60V DC ON-HOOK
+10V DC OFF-HOOK
*Q3
C E
D2
B 1 2
R26
100k
4 3
C
Q2 *Q4
*R27 C
B
680
E
C
C C
*R24
C26
R50 R33
NC
330k 820k
10n
C70
680p
C
*R25
NC
C27
R51 R34
330k 820k 10n
C71
+2.65VDC
C
680p
VDD
2.65Vdc IC2
VDDA
2
OUT1
4
OUT2
ADJ
C C
C
VDD VDDPA/RF
C
VDDPA/RF
L1
27n
C
Pre-matching
C
C
36
35
34
C
C
33
32
C
31
30
29
28
27
26
25
C C
C
C C
C820
C C
330
1 4
2 3
RA43
KX-TG1711ME SCHEMATIC DIAGRAM (Base Unit_Main)
21
C
*P101
2
GAP
1
C
+5.5V
J101
!
DC_IN
F1
3
IN
3A
C
1
C
C
ANT_2
TP3
2 1
C
C
/4
C
C826
10p
C
VDDPA/RF
C
10p
NC: No Components
L1T
L1R
DCP
DCIN +
DCM
DCIN -
C
CL14
Charge +
CL13
C
Charge -
ANT_1
/4
C
C808
1.3p
C
C
C
C
C