Analog Board (Pcb2) - Panasonic KX-FT982LS-B Service Manual

KX-FT982LS-B / KX-FT984LS-B / KX-FT988LS-B

17.3. Analog Board (PCB2)

+5VA +5V
+2.5V
AG AG AG
TO DIGITAL
+5V
CN101
1 +5V
2 AG
3 RLY
4 HOOK
AG
5 LINERX
6 LINETX
7 HSRX
8 HSTX
9 BELL/CPC
10 PAPER
11 JAM
12
R161 NC
DCN
R162 NC
MONRX
R163 NC
PSHORT/ACK_EN
JJ109
0
R149
NC
C142
NC
AG
FG2
+2.5VL +2.5V
L104
NC
HOOK SENSOR SW
SW102
AG
(PULL UP AT DIGITAL)
+5VA
Q108
NC
8
R158
VCC
IC101
GND
4 NC
AG
C104 560p
R106 33k
R109
16k
2
R110
1
3
16k
IC101
AG
R107 33k
R108
C105 560p
R111
270k
C107
5.6n
AG
PAPER SENSOR SW
1 3
2 4
AG
SW101
(PULL UP AT DIGITAL)
166
+5V +5V
PC104
NC
4 1
D113
3 2
NC
NC
Q107
AG
C108
100n
C109
100n
R112 R113
5.6k
NC
C110 C111
5.1k 4.7n 39n
AG
C114
JAM SENSOR SW
1 4
2 3
AG
SW103
(PULL UP AT DIGITAL)
(1)
PC101
NC
4 1
NC
3 2
Q103
C
B
(2)
E
AG (3)
(4)
T101
4 3
(5)
2
1
6
AG
(6)
+5V
(7)
(8)
4 1
3 2
(9)
AG
PC102
(10)
(11)
(12)
R118
(13)
43k
Q101
NC
AG
C116
(14)
100n
R119
(15)
NC NC
Q102
NC
AG