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L281 C337 K5600p
1 2 A 3 4 V-
K0.056u D200
R244
1K C251
IC210
V+ 8
7 B 6 5
L279 C335 K3900p
3 T200 4 2
J206
R257
( NC
)
( NC
)
(1)
R273
K0.027u
C254
1
5
R378 10K
R377 10K K2700p C338
NC
1 T201 6 2 3 4
K0.33u D201
R245
3.3K C252
C266 R270 50V2.2u
R375 10K K3900p C336 L278 +24VA K0.018u C244 K0.018u C234 L223 R233 3.3K C236 K0.33u 10 R241 1K
( ) NC
15
(2)
)
R267 C245 R256 12K K0.056u C257 J10p C262 10K
L282
R374
NC
R229
47K R237
47K
R225
R230
330
L289
R253 2.2K
J100p D202 R259
( )
Q203
R262
(
C273
( ) NC
NC
36V100u
Z0.1u C231
C228
K0.22u C243
K0.1u
L220
L221
560 C239
C352
33K
C342 J620p R383
C341 J620p R382 7.5K R379 10K C219 J150p R216 110K
R231
J10p
(
NC
Q200
50V4.7u C248
)
(3)
R265
16V47u
C261
( NC
R260 33K C269
)
CN200
MILATCH/CDL_TXD HS_ALC/POL_P MICLK/CDL_CTS POL_N MIDATA/CDL_RTS BELL VOX/NISHI1 CID_RLY NC 1 2 3 4 5 6 7 8 9
MILATCH/BBTXD
R384 6.2K
33K
(4)
PC200
A C K NC E
C344
J620p
C343
J620p
R387
R249
C258
NC
12 C255
MICLK/BBCTS POL_N MIDAT/BBRTS BELL VOX/NISHI1 CIDRLY
L284
1 2 A 3 4 VB
J10p
V+ 8
7 6 5
J10p
Q202
)
HS_ALC/POL_P
(
(
NC
IC204
R234 820K C237 K1200p +12VA J120p R242
Q201
)
L286
L283
J213
) ( NC
IC211
1 2 A 3 4 VB 6 5
D203 330K
D204 R263
V+ 8
L222
7
(5)
C339 K0.015u R381 10K K1000p
(
C241 C263 Z1.0u C265 Z1.0u
) NC
C340
L224
L285
L225
L502 R513 C509
LINE_RLY 10 MODEM_TX_OUT 11 DCN 12 TONE 13 P_SHORT 14 MODEM_RX_IN 15 4V 16 VOL2_CRESET 17 4V 18
R217
)
MODEM_TXOUT DCN TONE P_SHORT
C226
NC
J150p
(
R238
MODEM_RXIN
39K
C240
K0.1u
EVOL2/BBRESET
( ) NC
(
) NC
(
NC
R223
110K
1B252
LINE_RLY
)
R218
R222
27K
DG 20 VOL1/F_MUTE 21 DG 22 VOL0/MURA1 23 AG 24 SP_MUTE 25 5V 26 BREAK/CDL_RXD 27
EVOL1/F_MUTE ( ) NC
L275 0
K0.1u
EVOL0/MURA1
SPMUTE ASIC_LINEOUT
C220
L276
24V 28
+5VD L273
0
+24V
0 L274
ASIC_LINEIN
BREAK/BBRXD
MONITOR_IN1
C225
(
NC
-5V 19
(6) (7)
)
HS_AGCOUT
TONE
CIDRLY
(8) (9)
22K K8200p
0
(
)
NC
NC
C238
R511
Q501
(
R509
)
R510
R235
R240
NC
)
L501
NC
(
(
NC
+5VA
10K +5VA
(10)
C507
(
) NC
(
)
)
C506
( ) NC
( ) NC
R503
R507
C502
NC
(
1 2 A 3 4 V-
R236
)
)
V+ 8
7 B 6 5
(
NC
IC501
NC
(
C503
( ) NC
(
C505
R505
)
R504
( ) NC
( ) NC
C508
R508
( ) NC
6.3V330u
C242
NC
(
NC
NC
)
(
(
) NC
(
) NC
(
) NC
100
R502
NC
C501
R501
100K R239
R506
C504
( ) NC
R512
L226
)
)
(11)
Z0.1u C247
(12)
NC
Caller ID
HS RX:
1
IC206
V+ 8
7 A B 6 5 2 3
HS TX:
+24V +24VA L272 J R359 100K +12VA J203 J
FG2
FAX RX: FAX TX:
J205 J J204 J
L233
4 V-
(13) (14) (15) (16)
16V10u
J202 +5VD L271 J +5VA J200 J J J201 J
Monitor_RX: Tone
Z0.1u C330
R360
100K C329
KX-FL403FX ANALOG BOARD (1/2)
(1)
J223
(
) NC
2
D209
3 1 4
(2)
+5VD R274
L262
F200
CN206
1 a1
Q206
R298
Z0.1u
100K C292
( ) NC
R278
R276
1
4
5.6K
2 E(G)/A2
1K
SA200
PC201
C E
A
2
3
C309 680p R296 4.7K C310
L258
3 a/A1 4 b/B1 5 S(W)/B2
+5VD
K
D205
R277
) NC
( ) NC
D216 2K
1A
(
ZNR200
R331
)
R337 RLY200
4 3 5
K3300p
C278
NC
(3)
C320
NC
+5VD
(
680p R319
(
NC ( ) NC
6 b1
)
)
R343 0.5W 6.8
L266
POS200
+5VD R271
1K2A
PC202
C279
( ) NC
NC
(
E
R284
NC
PC203
(4)
C E
A K
Q205
50V100u
R290
C284
R291
NC
NC
C277
NC
(
(
(
NC
NC ) NC )
( )
C345
R323 1.2K C312 R316
RLY201 5 3 4
(
D212 C316 J100p
)
SA201
)
NC
K
( )
Q216
)
R297
C
A
NC
NC
1K
)
+24V RLY200 1 2
(
(
R347
)
)
NC
(
R376
(
( NC
)
R325
) NC
(5)
( ) NC
C311
Q210
L263 R345
CN207
1 b1
(
(
) NC
2 S(W) 3 b/B1 4 a/A1 5 E(W) 6 a1
Q207
R275 50V1.0u 100 T202 K0.1u R329 C314 1K
2 1 3 4 5
250V1.0u R322 0.5W 47K +24V RLY201 1 2 D215 R332 C323 R335 15K R338 0.5W 22K J100p L264
R346 J
C276
Q204
+5VD D210 F D211 F
) ( NC
C348
( ) NC
R385
R344
NC
J221 C347 NC J D217
3
R386 J D218
)
( ) NC
+5VD
Q212
PC205
1 2 4 3
(
(6) (7)
PC206
C A
( )
4
2
( ) NC
)
1 J222 NC
(
)
Q211
NC
J
R334
33K
E
NC K
HS_ALC/POL_P
BREAK/BBRXD
MONITOR_IN1
K0.01u
C315
(
P_SHORT
LINE_RLY
POL_N
EVOL1/F_MUTE
EVOL2/BBRESET
EVOL0/MURA1
MILATCH/BBTXD
MICLK/BBCTS
MIDAT/BBRTS
HS_AGCOUT
VOX/NISHI1
MICIN2
1B252 L287
(9)
R247
( NC
)
+5VA 1B252 L254
IC207
R286 R287 30K 68K
R264 24K
+5VD R315 120K R307 18K C299
C275 K0.1u R272 24K
L227
R340
L260 680 1.8K K0.01u 16V47u 1.8K C321 L261 R342 C319 R341
(10)
L230 R250
R288 R289
1 X4 2 X6 3 X 100K 4 X7 47K 5 X5 6 INH 7 VEE 8 VSS
VDD X2 X1 X0 X3 A B C
16 15 R300 14 R301 13 R302 12 R303 11 10 9
L257
10K 5.6K 2.2K 18K
C297
Z0.1u
( (
L288
NC ) NC )
MICIN1
(8)
DCN
CIDRLY
BELL
+5VA
5 OUTPUT VCC 4 GND
INPUT 3 DET
R293 R292 10K C289 1K K0.068u C294 J82p R304 390K L244 L251 L253
IC205
ASIC_SPOUT
16V10u R248
VREF
IC209
C305 J470p C306 J470p C307 J470p
36 SPIN STR 35 SPOUT CLOCK C293 34 VLOUT DATA K0.22u 33 VREF VDD 32 VLIN VOXOUT 31 MODEMRXOUT
(11)
C253 Z0.1u 1M C250
MODEM_RXIN TONE
C510 K0.1u R356 K6800P C349 4.7K R357 K6800P C350 4.7K R358 K6800P C351 4.7K C222 K0.1u R211 22K C295 R305 L246 J
NC
(12)
L229
K0.01u
D214
D213
C322
J270p 27K
ASIC_LINEIN ASIC_LINEOUT MODEM_TXOUT
C281 K0.1u R282 15K
L252 R306 C296 D206 330K J27p
L265
R261
150K
MICIN1 MICIN2
VOXDET 30 GND VOXIN 29 NC29 VSS 28 NC28 NC9 27 TONEINN ROUT2 26 NC26 ROUT1 25 MODEMTXOUT RIN 24 MODEMTXIN VCC 23 LINEIN HSMICIN1 22 LINEOUT HSMICIN2 21 EXTOUTHSMICOUT 20 EXTIN NC17 19 NC19 NC18
82 1 R326 82 2 R327 82 3 R328 4 5 6 7 R317 68K 8 9 R333 J399 NC 10 ( ) ( ) 11 NC R318 110K 12 C317 13 J401 BIZ 14 C308 J330p 16V10u 15 16 R324 150K 17 18 C313 J680p J400 NC C301 Z0.1u K0.1u C303 R321 220K
1
2
16V10u
C268 K0.1u
CN214 )
L267 L270 L268 L269 J
1 HSMIC2 HSSP+ 3 HSSP4 HSMIC+
(
)
R320
220K
+5VA D207 L255
(
)
VREF L256 R310
K4700p
C267
L241
R285 10
4.7
+5VA
R309
MONITOR_IN1
(
Z0.1u 10K 6.3V220u C300 C298
)
(
NC
Caller ID
R373
120K R372
120K R279
R294
L290
NC
C286 J680p
)
L297
SP2
(
IC208
8 VOUT2 7 GND 6 V+ 5 CD 1 2 3 4
HS RX:
C290 Z1.0u C291 Z1.0u C334
SP+ 1
( ) NC
R280
L298 C270
VREF +VIN
(13) (14) (15) (16)
L237
L235
J390p R266 82K
CN204
HS TX:
J402 BIZ
VOUT1 -VIN
J680p
C282
C285
VREF
6.3V100u
R295 10K C288 K2200p
( ) NC
FAX RX: FAX TX:
Monitor_RX: Tone
R269 82K C272 J390p
L238
SPMUTE
R299 1K
ASIC_SPOUT
C287 K0.082u
R283 6.8K
L245
KX-FL403FX ANALOG BOARD (2/2)