Analog Board (Pcb2); Schematic Diagram - Panasonic KX-FLB758RU Service Manual

KX-FLB758RU

15 SCHEMATIC DIAGRAM

15.1. ANALOG BOARD (PCB2)

2
1
3
IC205
R247
FL205
1
3
( )
2 NC
FAX Rx Signal
FAX Tx Signal
TO SPEAKER
CN201
L209 J
SP- 2
L210 J
1
SP+
C257
K0.1
+12VA
IC202
1
Vss
2
L-OUT
3
L-IN
4
L-LD1
5
L-LD2
6
L-GND
7
CS
8
CK
KX-FLB758RU ANALOG BOARD (PCB2) 1/2
+24VA
IC205
8
6
R253
IC206
7 2
R256 R257
5 1
R251 10K
4 3
10K 10K
10K
R259
FL208
1
3
( )
2
NC
J211
C266 R258
( )
68K
NC
16V10
C280
J270p
1
(
IC207
8 6
7
5
4
K0.022
+12VA
R239
18K
+5VA
R237
10K
C248
K680p
IC203
R232
8 1
VO2 CD
C240 1K
7 2
GND FC2
Z1u
6 3
VCC FC1
C241
5 4
Z1u
VO1 VIN
R236
10K
R233
C242
C246
K1000p
K0.027
10K
C224
K0.1
C247 J27P
R238 680K
IC204
2
R246 C226
1
3
10K K0.1
L273 +5VA
L267
L266
16
C243
Vdd
15
R-OUT
14
K0.1
C239
R-IN
13
R-LD1
12
C235
R230 K0.1 R235
R-LD2
11
K1500p 4.7K
R-GND
8.2K
10
C379
STB
9
( )
DATA
NC
+24VA
IC206
8
6
R283
R268
7
C308
10K
R288
5
10K
R264
4
10K 10K
K0.1
+12VA
L271
C299
Z0.1
R277
C285 R269
FL211
K0.022 56K
1 3
( )
( )
R265
2
NC
+24VA
FL209
3
)
2
NC
R278
FL212
C288 R287
R267 R291
1 3
( )
J
56K 1K
2
NC
( ) ( )
C306 C309
NC NC
L272
C304
J68P
R285 R289
J 330K
R271
C301
FL210
R276 NC
1
3 2
( )
1
18K
3
IC207
2 NC
+24VA
( )
R254 27K
C270
J390p
IC204
8
7
4
C273
Z0.1
C274
35V100
VREF
R217
FL201
L207
L254
R220
C223
R223 10K
266
+5VD
T203
NC
2 3
4
4
3
1 5
C278
2 3
50V2.2
4
1 5
T201
Q202
R245
FL203
1
3
( )
C254
L211
J
2 NC
R248 47K
6
K0.1
L212
R249 C256
5 47K
J
FL204 K0.1
+12VA
1
3
( )
2 NC
R244
+5VD
R210
C222 J33p
IC201
R219 390K
120K
36 1
SPIN STR
35 2
SPOUT CLOCK
34 3
VLOUT DATA
33 4
VREF VDD
32 5
VLIN VOXOUT
31 6
MODEMRXOUT VOXDET
3 1 30 7
( )
GND VOXIN
29 8
NC29 VSS
28 9
2 NC28 NC9
NC
27 10
TONEIN ROUT2
C220
J680p 26 11
NC26 ROUT1
25 12 R204
RIN
MODEMTXOUT
R218 12K 24 13 C201
MODEMTXIN VCC
23 14
LINEIN HSMICIN1
22 15 L265
LINEOUT HSMICIN2
21 16
L264
EXTOUT HSMICOUT
130K 20 17
EXTIN NC17
J10p 19 18
NC19 NC18
R205 150K
DA201
1
C210 R207
C203
2 3
68K
K0.1
K150P
VREF
R212
R213
220K
(1)
R261 R272
10K
1.5K
1
PC201
2
(2)
R262
Q203
820
R263
(3)
15
C295
J100p
D204
R266
(4)
2.2K
Q204
NC
D205 D206
(5)
(6)
+24VA
+5VD
Q209
NC
(7)
+5VA
R348
( )
NC
FL224
1 3 (8)
2
(9)
(10)
R201 100
100
R202
100
R203
56K (11)
120P
220K
L201
NC
(12)