Analog Board (Pcb2) - Panasonic KX-FG2452CX Service Manual

KX-FG2452CX

18.2. Analog Board (PCB2)

+6V
+6V
18
DG
17
LINE RLY
16
BELL
15
DCN
14
ALC
13
P-SHORT
12
C-IN
11
AG
10 AG
+5V
9
LINE RX
8
LINE TX
D151
7
TO SP
BATT
6
SP-
SPOUT-
2
5
SPOUT+ SP+
1
4
CHARGE-
3
CH_CTL
CN104
2
AP1
DG2
1
AP1
CN103
DG2
TO DIGITAL BOARD
+6V
+6V
+5VA
NC
3
2
1
Q109
DG
R177
NC
+5VA1
C115
390p
R118
56k
C121
150p
R121
100k
2V
DG
R131
R132
0
L111 0
+5VA
L114 0
C111NC
L112 0
L113 0
AG
R151 2.2k
2 1
BAT151
CR2032/H9B
DG2
+5VA
Q111
3
2
Q112
1
+5VA
+5VA
IC103
2
1 VO
VIN
4
ON/OFF
GND
3
DG2
R174 R173
PC106
( ) ( )
1
NC NC
4
3 2
NC
C107
NC
DG
R125 C118
39k 100n
R112 C112
39k 100n
+2.0V
C122
( )
NC
1k
P_SHORT
C185 100n
2
1
Q110
3
R192
3
1
100
2
DG2
230
R171
2
1
( )
3
NC
Q106
R168
Q108
2
3
NC
1
6.8k
R114 R113
0 3.9k
C113
C184
( )
NC NC
+5VA +5VA1
+2.0V
AG
(1)
PC105
4 1
(2)
C105
( )
2
3
(3)
NC
2 1
D111
(4)
(5)
(6)
(7)
(8)
(9)
Q107
3
(10)
2
1
DG
12V