Schematic Diagram; Analog Board (Pcb2) - Panasonic KX-FHD333BR Service Manual

KX-FHD333BR

16 SCHEMATIC DIAGRAM

16.1. ANALOG BOARD (PCB2)

+2.0V
TO
+5VA
DIGITAL BOARD
CN101
1
AG
2
+5VA
3
LINETX
4
LINERX
5
ON-MREN
6
HSTX
7
HSRX
P-SHORT 8
R178
0
DCN 9
R177
EXHOOK 10
0
+24V 11
LINERLY 12
BELL 13
HOOK 14
15
SPMUTE
16
SPOUT
JJ113 0
L116
NC
JJ104 0
L113
NC
FAX TX Signal
+5VA
FAX RX Signal
HANDSET, MONITOR
FAX RX
R116
220K
C116
J82P
+5VA
IC101-2
8 2
1
3
4
C118
Z0.1u
+2.0V
R117
220K
C117
( )
NC
R125
0
C125
50V10u
+24V
ON-HOOK : 5V
OFF-HOOK: 0V
+5VA
SW101
R164
1 3
2 4
100
HOOK SW
C172
K0.039u
+5VA
R158
NC
PC104
4 1
NC
3 2
C155
NC
2.0V
R112
120K C112 K0.012u
+5VA
R114 18K
C114
K0.047u
+2.0V
Q101
C113
K0.1u
12V
HANDSET
FAX TX
+5VA
IC102
1 8
CD VD2
2 7
FC2 GND
3 6
FC1 VCC
4 5
VIN V01
R173
10K
R172 C173
K1000P
10K
188
R157
NC
Q108
R155
NC
NC
R153
Q107
NC
C128
NC
JJ106
R113 0
NC
C127
R129
NC NC
Q109
NC
2.1V
TO SPEAKER
CN105
1 SP(+)
2 SP(-)
+5VA
(1)
C179 NC
NC
4 1
D109
3 2
NC
NC
PC106
Q106
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
+2.0V
C178
(11)
NC
(12)