Schematic Diagram (Analog Circuit) - Panasonic KX-FP121AL Service Manual

KX-FP121AL / KX-FM131AL
9.2.

SCHEMATIC DIAGRAM (ANALOG CIRCUIT)

+24VA
8 2
1
R229 R228
3 7
4 NC NC
IC202 -1
IC202 -2
IC203 -2
+24VA
6
8
2
R232 R233
1 5
R230 R231
3
NC NC
4
NC NC
NOT USED
HANDSET, SP-Phone
FAX RX
TO DIGITAL
CN101
1
R260 1.8K
BELL
BELL(I) 1
R261
0 T/P
T/P(I) 2
R262
0 DCN
DCN(I/O) 3
R263 NC
EX-HOOK1
CPC(I/O) 4
R264
0 P-SHORT
MDLSEL(I/O) 5
R265
0 LINERLY
LINERLY(O) 6
R266
0 BREAK
BREAK(I/O) 7
LINERX 8
MONRX 9
LINETX 10
TO DIGITAL
CN201
R267 NC SW101
REV1
CSI(I) 1
R268 NC -3
SIDETONE
CSO(O) 2 4
T/P
R269 0
EX-HOOK2
CCLK(I) 3
7
NC +5VD
R270 REV2
8
CBUSY1(I) 4
-4
R271 0
DTMFIMP
CBUSY2(O) 5 -1
R272 NC
E-RECALL 3
CRESET(I/O) 6
R163
R273 NC
H/SALC 1
S-ENB(I/O) 7
NC -2
PORT(O) 8
SW101
T/P SW
+5VA +5VD
+5VA +5VD +24V
CN102
L207
JJ306
DG 1
L208 21A10
AG 2
21A10
+5VA 3
+5VD 4
+24V 5
HSSP+ 6
HSSP- 7
HSMIC+ 8
HSMIC- 9
TO DIGITAL
JJ109 NC
JJ113
JJ111 NC
JJ112
NC
6
R226 R225 C220
5
NC NC NC
R132
R222 C126 R131 T101
2 3
200K 56K K0.01 62K
1 5
7
C127
C229
IC203 -1
J39P K0.0012
+5VA
C129
6
16V10
JJ231 7
R223 C123 R127
5
C257 IC101 -1
56K K0.01 62K
C219
NC
R126
K0.0012 R279 R221
NC 1.2K 240
R128 C216 C215
+12V
560 K0.15 NC
Q210
12V
D211 D210
Q212
Q214
C132 HANDSET
NC NC
J68P
FAX TX
R220 1.2M R138
Q213
C217
470K
C131 R137 K330P 8
2
1
K0.0056 62K 3
4
IC101 -2
C265 R283
C128
Z0.1
NC NC
C237 NC
+5VD
+5VD
R277 NC
R237 R240 R241
NC C235 NC NC
C239 C238
2 6
8 R236 R238
1 6 7
NC C234
NC NC D212 R246 R244
3 7 5
NC NC 5 IC205 -1
4
NC NC NC NC
R234
+12V C236 IC204 -1
NC
NC
IC204 -2
5
6
2
+5VA
IC206
1 GND 8
VCC
R252
2 7
¢ GAIN VC
R250
82K 3 RXIN 6 C243
TXIN
4 RXOUT 5 220K K0.047
TXDET
NOT USED
JJ234
+24V
Q110
+24VA
+12V
+5VD
R212 R210
Q208
R214
1 4
NC NC PC203
R275
NC C209
C211 NC
2 3
NC
+5VD +5VD
R107
C107
50V4.7 Q101
15(1/2W)
Q206 D203
4 1
+5VD
3 2
D207 4 1 D204
R109
4.7K
Q103 3 2
JJ116
Q102
4 1
Q209
3 2
D103 C258
250V0.1
+24V
+24V
+5VD
12V
R110
C110
Q205 Q204
220 K0.033
4 1
PC104
3 2 Q207 NC
NC
JJ302
NC
+5VD
+5VA
2
8
1
3
4
C137 NC
IC205-2
R142
NOT USED
NC
Q104
R141 C136
NC
NC
+5VD
NC
IC208 NC
R282 C262
1 IN 8
VDD JJ107
NC NC 2 OSC0 7
EST
0
3 OSC1 6
ACK
4 VSS 5
SD
JJ108
NC
R153
300K
C144
K220P
R152 C143
6
7
5 15K R247 K0.022
IC207-1
15K C245
K0.022
+12V
R255
330K
C247 J150P
+24VA
C248
C246 R254 8
2
1 K0.1
K0.0056 56K 3
C256
4
IC207-2
NC
JJ235
NC
FAX TX Signal
Handset TX Signal
200
R205 D202 D201
C205 NC TO LINE
JJ223 NC
NC NC
JJ225 C264
NC
JJ206
D101 NC
C206 NC RL101-1 NC NC
1 4 L203
JJ101 F201 NC
6
5 JJ207
2 3 L201
21A10 0
7 LF101
JJ224 NC
1 4 NC
C101 JJ205
LF201 4
680P 1
NC
2
NC 3
JJ103 NC
JJ226 2 3
C102 L202
680P NC RL101-2-2
L204
JJ222 JJ102
C207 4
RL201
3 21A10 JJ208
NC POS101
NC 2
NC
NC
C208 JJ104 NC
+5VD
NC
JJ305
+24V
NC
+5VD
IC201
+5VD
Q201
JJ227
+5VD
NC
Q202
Q108
Q203
NOT USED
+5VD+5VD +5VD
JJ219
NC JJ214
JJ220 NC
L205 NC
NC JJ215 NC
C111 JJ216 NC
L206 NC
NC JJ217 NC
+5VD
JJ237
JJ218
C112
NC
NC
TO EX-TEL
2 4
T102
PC105
5
2
1 3
3 1
1 4 1 4
2 4
2 3 2 3
1 3
R115 JJ105
D214 D215
15K(1/2W)
+5VA
TO HAND SET
CN105
L106 2B272S
JJ304
1 HSMIC(-)
L107 2B272S
+5VA
2 HSSP(+)
L108 2B272S
3 HSSP(-)
L109 2B272S
4 HSMIC(+)
R256
C251
22K
Q211
16V10
C148
NC
FAX RX Signal
Handset RX Signal
CN103
JJ201 NC
1 b2
2 W
JJ202 NC
3 b
4 a
JJ203 NC
5 E
JJ204
6 a2
NC
JJ211
NC
5V
0V
EX-TEL OFF-HOOK
CN104 NC
1
2
3
4
JJ213
5
NC
6