Rane ECM 64e Conference System Schematics 电路图.pdf

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1、RadioFans.CN 收音机爱 好者资料库 H:ECM64E104035-1.SCH20-Oct-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50981 8 ECM 64 ECA I/O 104035A of ACTION: MIC 1 + - GND SHEET 2 CHAN 4 + CHAN 4 - SHEET 2 CHAN 3 + CHAN 3 - SHEET 2 CHAN 2 + CHAN 2 - CHAN 1 + CHAN 1 - AUDIO SIDE DIGITAL SIDE

2、AEC TI SHEET 4 SHEET 3&4 AEC REF. 8 3 2 1 4 Z1A 4570 .C4 220pF C9 1/50 SHEET 2 LINE IN + LINE IN - SHEET 3 MIX IN AEC REF GND AEC OUT SHEET 3 OUT 1+ OUT 1- AEC REF. 2 3 4 1 5 J2A 5P EURO R26 47.5k +5V OUT 4SHEET 4 HYBRID RX SHEET 3,4 L15 .4 C23 0.1 C24 0.1 +C77 22/16 /DTMF /WR /RD AD0 AD1 AD2 AD3 RS

3、0 /RI /IRQ MOSI SCK /6420 /6420_RST +8VH-8VH +5V + C78 22/16 + C79 22/16 C25 0.1 +C80 22/16 C26 0.1 HYBRID CTRL SHEET 7 OFF HOOK R2 10k 5 6 7 Z1B 4570 R49 301 . C5 220pF L17 .4 L16 .4 L18 .4 L19 .4 +5V IN GND OUT GND SHEET 3 OUT 2+ OUT 2- SHEET 4 OUT 3+ OUT 3- LINE/CODEC IN SHEET 2 AUX IN + AUX IN -

4、 2 3 4 1 5 J3A 5P EURO +12V -12V HYBRID RX 67 8 Z41D DG212 1110 9 Z41C DG212 MIX CTRL SHEETS 2-4,7,8 INTAEC REF SHEETS 3,6 OUT 1 . C244 220pF R169 301 LB1 12,1,3 LB2 12,1,3 LB3 12,1,3 LB4 12,1,3 7 8 9 6 10 2 3 4 1 5 11 12 J1A 12P EURO SHEET 2 7 8 9 6 10 2 3 4 1 5 11 12 J4A 12P EURO 12 34 56 78 910 1

5、112 1314 1516 1718 1920 2122 2324 J10A 24P M HDR OUT 4 /AEC_RDY OUT 1 8 1 6 V+ 4 V- 7 GND 3 VL 5 2 Z49 DG419 -12V +5V +12V C55 0.1 C131 0.1 OUT1AEC REF C53 0.1 + C76 22/16 /P_LINE HYBRID DIGITAL 8 3 2 1 4 Z52A 4570 AEC TO AEC TO OF ECA 2 OF ECA 2 SHEET 7,8 /DTMFTX AEC TI AEC RI Audio Input 104035-2.

6、sch Out1 & Out2 104035-3.sch Out 3 & Hybrid 104035-4.sch Power & Pink Noise 104035-5.sch Avg Amps 104035-6.sch Digital I/O 104035-7.sch Processor 104035-8.sch ST5ST6 HYBRID 67 8 Z20D DG212 R46 10k +5V R29 31.6k R27 15.0k C3 100pF C1 100pF R30 13.3k R51 3.32k C240 220pF R50 13.3k R105 3.32k C246220pF

7、 1 J12A 2 J12B 3 J12C 4 J12D 5 J12E 6 J12F 7 J12G 8 J12H 9 J12I 10 J12J 11 J12K 12 J12L 13 J12M 14 J12N 15 J12O 16 J12P 17 J12Q 18 J12R 19 J12S 20 J12T 1 J13A 2 J13B 3 J13C 4 J13D 5 J13E 6 J13F 7 J13G 8 J13H 9 J13I 10 J13J 11 J13K 12 J13L 13 J13M 14 J13N 15 J13O 16 J13P 17 J13Q 18 J13R 19 J13S 20 J1

8、3T 8 3 2 1 4 Z21A 4580 5 6 7 Z21B 4580 3 2 1 411 Z38A 4574 5 6 7 Z38B 4574 10 9 8 Z38C 4574 12 13 14 Z38D 4574 R106 10k R109 31.6k R110 10k R115 10k R116 10k R128 10k R171 10k R172 10k C234 100pF C238 100pF C239 100pF +12V -12V C169 0.1 R177 20k R178 20k + C247 1/50 + C248 1/50 + C249 1/50 + C250 1/

9、50 +8V -8VC198 0.1 AEC TO OC 1 C 11 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 1Q 19 2Q 18 3Q 17 4Q 16 5Q 15 6Q 14 7Q 13 8Q 12 GND 10 VCC 20 Z45 74ACT573 2 31 Q1 2222 R173 10k R179 20k C215 0.1 2 3 4 5 6 1 R180 10k SIP +3.3V +5V +3.3V /DSPTX_RDY /DSPRX_RDY /DSP_SS MISO MOSI SCK /DSP_IRQB SPI CTRL SHEET

10、S 7,8 R175 100k NC NC NC MSEMS MIC 2 + - GND MIC 3 + - GND MIC 4 + - GND LINE IN + - GND AUX IN + - GND OUT 1 + - GND OUT 2 + - GND OUT 3 + - GND DELETED ECA 1 CIRCUITRY, ADDED ECA 2 CIRCUITRY, DOC WAS 103344, SKH 20MAR00 +8V-8V C266 0.1 R72 3.01K NC RadioFans.CN 收音机爱 好者资料库 H:ECM64E104035-2.SCH20-Oc

11、t-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50982 8 ECM 64 AUDIO IN 104035A of ACTION: R52 100 C95 .01 CHAN 1 - CHAN 1 + R68 20 R3 10k R53 100 C99 220pF +12V CHAN 2 - CHAN 2 + -12V+12V C11 1/50 CHAN 3 - CHAN 3 + SHEET 1 CHANNEL 1 SHEET 1 SHEET 1 CHANNEL 2 SHEET 1 SHEET

12、 1 CHANNEL 3 SHEET 1 J1-11 J1-10 J1-8 J1-7 J1-5 J1-4 PHANTOM + C103 47/25 + C104 47/25 + C111 47/25 7 4 RG1 RG2 5 6 3 1 8 2 Z8 SSM2017 2 3 41 S6 +6dB+40dB +50dB R54 100 C96 .01 R69 20 R4 10k R55 100 C100 220pF C12 1/50 + C105 47/25 + C106 47/25 + C112 47/25 2 3 41 S7 +6dB+40dB +50dB R56 100 C97 .01

13、R70 20 R5 10k R57 100 C101 220pF C13 1/50 + C107 47/25 + C108 47/25 + C113 47/25 7 4 RG1 RG2 5 6 3 1 8 2 Z9 SSM2017 2 3 41 S8 +6dB +40dB +50dB 7 4 RG1 RG2 5 6 3 1 8 2 Z10 SSM2017 R58 100 C98 .01 CHAN 4 - CHAN 4 + R71 20 R6 10k R59 100 C102 220pF C14 1/50 SHEET 1 CHANNEL 4 SHEET 1 J1-2 J1-1 + C109 47

14、/25 + C110 47/25 + C114 47/25 7 4 RG1 RG2 5 6 3 1 8 2 Z11 SSM2017 2 3 41 S9 +6dB +40dB +50dB R73 10k R74 10k R75 10k R76 10k R77 10k R78 10k R79 10k R80 10k R40 100k R81 1k R82 1k R41 100k R83 1k R84 1k R42 100k R85 1k R86 1k R43 100k R87 1k R88 1k .C216 220pF .C217 220pF .C218 220pF .C219 220pF .C2

15、20 220pF .C221 220pF .C222 220pF .C223 220pF +C115 100/10 +C116 100/10 +C117 100/10 +C118 100/10 C27 0.1 C28 0.1 -12V+12VC29 0.1 C30 0.1 -12V+12VC31 0.1 C32 0.1 -12V+12VC33 0.1 C34 0.1 18 27 36 45 S10 LINE IN LINE IN + LINE IN - SHEET 1 SHEET 1J2-4 J2-3 C15 1/50 5 6 7 Z2B 4574 C119 100pF R7 10k R8 1

16、0k C120 100pF R91 5.11k 3 2 1 411 Z2A 4574 12 13 14 Z2D 4574 R92 5.11k R44 100k .C224 220pF .C225 220pF +12V-12V C2 0.1 R10 3.16k AUX IN AUX IN + AUX IN - SHEET 1 SHEET 1J3-4 J3-3 C16 1/50 10 9 8 Z2C 4574 C121 100pFR11 10k R12 10k C122 100pF R93 5.11k R94 5.11k R45 100k .C226 220pF .C227 220pF R14 3

17、.16k DAC AGND 2 VREF 3 V+ 1 V- 12 DGND 13 CLK 14 DATA 15 LD 11 WRITE 10 45 21 6 19 8 17 20 7 18 9 16 DAC DAC DAC DAC DAC DAC MSTR SET 22 MSTR OUT 23 24 Z12 SSM2160 R15 10k R16 10k 3 2 1 411 Z4A 4574 C123 100pF 5 6 7 Z4B 4574 C124 100pFR17 10k 10 9 8 Z4C 4574 C125 100pF R18 10k + C134 3.3/16 C17 22/2

18、5 C18 22/25 C19 22/25 + C148 10/50 C37 0.1 -8V + C149 10/50 C38 0.1 +8V S/LD1 SCK MOSI MIX CTRL SHEETS 1,3,4,7,8 5 6 7 Z3B 4580 8 3 2 1 4 Z3A 4580 +12V-12V C35 0.1 +8V-8V C36 0.1 3 2 1 411 Z47A 4574 C200 100pF R157 10k R161 1.58k 5 6 7 Z47B 4574 C201 100pF R158 10k R162 1.58k 10 9 8 Z47C 4574 C202 1

19、00pF R159 10k R163 1.58k 12 13 14 Z47D 4574 C203 100pF R160 10k R164 1.58k + C206 47/25 + C207 47/25 +C208 47/25 + C209 47/25+8V-8V C199 0.1 SHEET 6 INPUT SIGNALS MIC SIG 3 SHEET 6 MIC SIG 4 SHEET 6 SHEET 6 MIC SIG 1 MIC SIG 2 2 3 4 5 6 1 R95 10k SIP R9 3.16k R13 3.16k MIC SIG 1 MIC SIG 2 MIC SIG 3

20、MIC SIG 4 LINE SIG AUX SIG AUX IN LINE IN MIC MIX AUX SIG LINE SIG SHEET 3,4,6 SHEET 6 SHEET 6 MSEMS MOSI WAS LABELED MISO, DOC WAS 103344, SKH 20MAR00 RadioFans.CN 收音机爱 好者资料库 H:ECM64E104035-3.SCH20-Oct-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50983 8 ECM 64 OUT 1/OUT

21、 2 104035A of ACTION: 4 3 IN G 6 7 8 1 2 5 + - Z17 SSM2142 +12V -12V . C228 220pF . C229 220pF C39 0.1 C40 0.1 DAC AGND 2 VREF 3 V+ 1 V- 12 DGND 13 CLK 14 DATA 15 LD 11 WRITE 10 45 21 6 19 8 17 20 7 18 9 16 DAC DAC DAC DAC DAC DAC MSTR SET 22 MSTR OUT 23 24 Z13 SSM2160 AUX IN LINE IN AEC TO MIC MIX

22、HYBRID RX 12 13 14 Z5D 4574 C126 100pF + C135 3.3/16 C20 1/50 + C150 10/50 C41 0.1 -8V + C151 10/50 C42 0.1 +8V DAC AGND 2 VREF 3 V+ 1 V- 12 DGND 13 CLK 14 DATA 15 LD 11 WRITE 10 45 21 6 19 8 17 20 7 18 9 16 DAC DAC DAC DAC DAC DAC MSTR SET 22 MSTR OUT 23 24 Z14 SSM2160 AUX IN LINE IN AEC TO MIC MIX

23、 HYBRID RX 3 2 1 411 Z5A 4574 C127 100pF + C136 3.3/16 + C152 10/50 C43 0.1 -8V + C153 10/50 C44 0.1 +8V S/LD2 SCK MOSI S/LD3 SCK MOSI OUT 2- OUT 2+ OUT 2 SHEET 1 SHEET 1 J4-8 J4-7 4 3 IN G 6 7 8 1 2 5 + - Z18 SSM2142 +12V -12V . C230 220pF . C231 220pF C45 0.1 C46 0.1 C21 1/50 INPUT SIGNALS SHEET 2

24、 MIX CTRL SHEETS 1,2,4,7,8 P. NOISE P. NOISE R21 10k R22 10k +12V-12V C194 0.1 MIX IN AEC REFSHEET 1 5 6 7 Z52B 4570 C165 100pF 32 1 Z41A DG212 1415 16 Z41B DG212 AUX INAEC REF LINE INAEC REFAUX IN LINE IN HYBRID RX R1 10k R28 10k R147 10k R154 10k -12V +5V +12V V+ 13 V- 4 VL 12 GND 5 Z41E DG212 C23

25、5 0.1 C245 0.1 OUT 1- OUT 1+ OUT 1 SHEET 1 SHEET 1 J4-11 J4-10 OUT 1SHEET 6 OUT 2SHEET 6 2 3 4 5 6 1 R96 10k SIP 2 3 4 5 6 1 R97 10k SIP OUT 1 OUT 2 + C170 22/16 + C214 22/16 R19 15.8K R20 15.8K MSEMS MOSI WAS LABELED MISO, (2) 15.8k WERE 24.9k, DOC WAS 103344, SKH 20MAR00 H:ECM64E104035-4.SCH20-Oct

26、-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50984 8 ECM 64 OUT 3/HYBRID 104035A of ACTION: 12 13 14 Z4D 4574 32 1 Z20A DG212 4 3 IN G 6 7 8 1 2 5 + - Z19 SSM2142 +12V -12V . C232 220pF . C233 220pF C47 0.1 C48 0.1 C254 100pF DAC AGND 2 VREF 3 V+ 1 V- 12 DGND 13 CLK 14 D

27、ATA 15 LD 11 WRITE 10 45 21 6 19 8 17 20 7 18 9 16 DAC DAC DAC DAC DAC DAC MSTR SET 22 MSTR OUT 23 24 Z15 SSM2160 AUX IN LINE IN AEC TO MIC MIX HYBRID RX 5 6 7 Z5B 4574 C129 100pF + C137 3.3/16 C22 1/50 + C154 10/50 C49 0.1 -8V + C155 10/50 C50 0.1 +8V DAC AGND 2 VREF 3 V+ 1 V- 12 DGND 13 CLK 14 DAT

28、A 15 LD 11 WRITE 10 45 21 6 19 8 17 20 7 18 9 16 DAC DAC DAC DAC DAC DAC MSTR SET 22 MSTR OUT 23 24 Z16 SSM2160 AUX IN LINE IN AEC TO MIC MIX 10 9 8 Z5C 4574 + C138 3.3/16 + C156 10/50 C51 0.1 -8V + C157 10/50 C52 0.1 +8V S/LD4 SCK MOSI S/LD5 SCK MOSI INPUT SIGNALS SHEET 2 MIX CTRL SHEETS 1-3,7,8 14

29、15 16 Z20B DG212 1110 9 Z20C DG212 AUX INAEC LINE INAEC MIC MIXAEC AUX IN LINE IN MIC MIX OUT 4SHEET 1,6 P. NOISE P. NOISE R24 10k C130 100pF OUT 3- OUT 3+ OUT 3 SHEET 1 SHEET 1 J4-4 J4-5 OUT 3SHEET 6 2 3 4 5 6 1 R99 10k SIP 2 3 4 5 6 1 R98 10k SIP 2 3 4 5 6 1 R100 10k SIP OUT 4 OUT 3 -12V +5V +12V

30、V+ 13 V- 4 VL 12 GND 5 Z20E DG212 C236 0.1 C237 0.1 AEC TI SHEET 1 J5-7 R23 15.8K R25 15.8K MSEMS MOSI WAS LABELED MISO, (2) 15.8k WERE 24.9k, DOC WAS 103344, SKH 20MAR00 H:ECM64E104035-5.SCH20-Oct-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50985 8 ECM 64 POWER/PINK NOI

31、SE 104035A of ACTION: Q1 13 D2 4 D3 5 D1 1 D4 6 Q4 8 CLK 3 Q4 9 Q3 10 Q2 11 Q2 12 VDD 14 VSS 7 Z22 CD4006 1 2 3 147 Z24A CD4070 Q1 13 D2 4 D3 5 D1 1 D4 6 Q4 8 CLK 3 Q4 9 Q3 10 Q2 11 Q2 12 VDD 14 VSS 7 Z23 CD4006 5 6 4 Z24B CD4070 8 9 10 Z24C CD4070 C56 0.1 C57 0.1 R111 10k R112 10k D1 1N4148 C58 0.1

32、 D2 1N4148 R113 10k + C162 1/50 12 13 11 Z24D CD4070 C172 .027 R129 30.1k R114 10k R130 3.01k R131 80.6k R132 2.2M 5 6 7 Z6B TL072 P. NOISE SHEET 7 R107 10k NOISE SHEET 3,4 P. NOISE C174 0.1 C173 .0056 C163 0.1 C175 .01 C171 120pF + C241 1000/25 + C242 1000/25 +12V -12V 32 1 ADJ IO Q2 LM317 ADJ IO 3

33、2 1 Q3 LM337 + C210 47/25 + C211 47/25 R165 243 R166 243 R167 1.33k R168 1.33k + C204 10/50 + C205 10/50 +C212 47/25 +C213 47/25 +8V -8V D28 1N5817 D29 1N5817 C159 0.1 C160 0.1 3 2 1 84 Z6A TL072 +8V -8V C158 0.1 D32 1N4004 D33 1N4004 D31 1N4004 3 5 2 41 6 J11 L1 3T C72 0.1 L2 3T C161 0.1 L3 3T C167

34、 0.1 +C243 1000/25 +5V LB5 12,1,3 +3.3V GND 6 ON/OFF 5 HTSNK 3 HT SNK 1 HTSNK 2 FB 4 IN 7 OUT 8 Z51LM2594 L6 100uH D30 1N5817 R174 301 R181 511 C251 .0047 C252 0.1 + C253 120/25 +C255 120/25 L4 3T R182 1k EMSMS ADDED 3.3V CIRCUITRY, ADDED DECOUPLING, DOC WAS 103344, SKH 20MAR00 C256 0.1 L7 3T C257 0

35、.1 C258 0.1 C259 0.1 C260 0.1 C261 0.1 + C263 22/16 + C264 22/16 +12V -12V C262 0.1 + C265 10/50 +12V R176 100 C270 0.1 32 1 ADJ IOQ4 LM337L 32 1 ADJ IO Q5 LM317L R184 1.33K R185 1.33K R153 243 R183 243 C267 0.1 C268 0.1 C269 0.1 C271 0.1 +12V -12V-8VH +8VH DSP_RST FROM SHT 7 H:ECM64E104035-6.SCH20-

36、Oct-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50986 8 ECM 64 AVG AMPS 104035B of ACTION: 3 2 1 411 Z7A 4574 D3 1N4148 D4 1N4148+ C140 3.3/16 5 6 7 Z7B 4574 D5 1N4148 D6 1N4148 + C141 3.3/16 10 9 8 Z7C 4574 D7 1N4148 D8 1N4148+ C142 3.3/16 HYBRID RX LINE IN MIC MIXSHEET

37、 2 SHEET 2 SHEET 2 12 13 14 Z7D 4574 D9 1N4148 D10 1N4148+ C143 3.3/16 AUX IN SHEET 1 R133 47.5k R134 47.5k R135 47.5k R136 47.5k R60 100 R61 100 R62 100 R63 100 MIC SIG 1SHEET 2 MIC SIG 2SHEET 2 MIC SIG 3SHEET 2 MIC SIG 4SHEET 2 LINE SIGSHEET 2 C132 470PF C176 0.1 C177 0.1 C178 0.1 C179 0.1 C180 0.

38、1 +8VH-8VH C59 0.1 +12V-12V C60 0.1 D11 1N4148 D12 1N4148 + C144 3.3/16 OUT 1SHEET 3 5 6 7 Z40B 4574 D13 1N4148 D14 1N4148 + C145 3.3/16 OUT 3 SHEET 3 R121 12.4k R122 12.4k R64 100 R65 100 C181 0.1 C182 0.1 R141 20k AUX SIGSHEET 2 R142 20k 10 9 8 Z40C 4574 D15 1N4148 D16 1N4148 + C146 3.3/16 OUT 4 S

39、HEET 4 SHEET 8 R123 12.4k R66 100 C183 0.1 5 4 2 312 Z25A LM339 -8V +8V 7 6 1 Z25B LM339 R144 100 +8V R89 1k R148 511 1.16V .024V R47 100k R145 75 + C164 1/50 D19 GRN D21 RED C133 470PF C184 0.1 9 8 14 Z25C LM339 11 10 13 Z25D LM339 R146 100 +8VR90 1k R149 511 3.9V .06V R48 100k D20 GRN D22 RED SHEE

40、T 3OUT 1 SHEET 3 OUT 4 SHEET 3 OUT 2 8 3 2 1 4 Z26A 4580 5 6 7 Z26B 4580 3 2 1 411 Z40A 4574 +8VH-8VH C61 0.1 12 13 14 Z40D 4574 D17 1N4148 D18 1N4148+ C147 3.3/16 OUT 2 SHEET 4 R126 12.4k R67 100 C185 0.1 R143 20k HYBRID RXSHEET 1 OUT 3 R124 28.7k R150 4.75k R151 6.34k R125 6.81k 2 3 4 5 6 1 R102 1

41、0k SIP SHEET 4 2 3 4 5 6 1 R101 10k SIP OUT 1 MIC MIX LINE IN AUX IN HYBRID RX ADC0 ADC1 ADC2 ADC3 ADC4 ADC5 ADC6 ADCS IN ADC7 HYBRID RX LINE SIG AUX SIG MIC SIG 1 MIC SIG 2 MIC SIG 3 MIC SIG 4 OUT 1 OUT 2 OUT 3 OUT 4 OUT 4 OUT 3 OUT 2 R117 8.06k R140 44.2k R118 8.06k R119 8.06k R120 8.06k R137 44.2

42、k R138 44.2k R139 44.2k MSEMS (4) 8.06k WERE 3.57k, (4) 44.2k WERE 47.5k, DOC WAS 103344, SKH 20MAR00 H:ECM64E104035-7.SCH20-Oct-2000 CHECKED BY:DRAWN BY: SHEET:10802 47th Avenue West Mukilteo WA 98275-50987 8 ECM 64 DIGITAL I/O 104035A of ACTION: +5V LDATA /LATCH1 D 13 Q0 4 Q1 5 S0 1 Q2 6 S1 2 Q3 7

43、 S2 3 Q4 9 Q5 10 G 14 Q6 11 CLR 15 Q7 12 VCC 16 GND 8 Z2774HC259 S2 S1 S0 SHEET 1 +12V LATCHES SHEET 8 /RST J10-20 J7-11 J7-12 D23 Y D24 Y OH_LED PRIV_LED RING_LED PWR_LED SHEET 8COM_LED SHEET 8 OFF HOOK LDATA /LATCH2 D 13 Q0 4 Q1 5 S0 1 Q2 6 S1 2 Q3 7 S2 3 Q4 9 Q5 10 G 14 Q6 11 CLR 15 Q7 12 VCC 16

44、GND 8 Z2874HC259 S2 S1 S0 /RST MIX CTRL SHEETS 1-4,8 SER 14 SRCLK 11 OE 10 RCLK 12 S/L 13 A 15 B 1 C 2 D 3 E 4 F 5 G 6 H 7 QH 9 VCC 16 GND 8 Z30 74HC589 MEM1 MEM2 MEM3 MEM4 SER 14 SRCLK 11 OE 10 RCLK 12 S/L 13 A 15 B 1 C 2 D 3 E 4 F 5 G 6 H 7 QH 9 VCC 16 GND 8 Z31 74HC589 ADD1 ADD2 ADD3 ADD4 VOL UP

45、BTN VOL DWN BTN OFF HOOK BTN /DSPRX_RDY /DSPTX_RDY /6420 /MRP /FP BTNS /MRP /FP BTNS MISO SCK S/LD6 SCK S/LD6 MISO 18 27 36 45 S11 DIP 4P ADD1 ADD2 ADD3 ADD4 RW 232 ADDRESS C62 0.1 +5V C63 0.1 C64 0.1 C65 0.1 AA_LED MUTE_LED +5V J7-13 OFF HOOK RING PRIVACY MUTE AA POWER COM SPI CTRL SHEETS 1,8 PORT

46、STEP BTN R127 10k +5V SER 14 SRCLK 11 OE 10 RCLK 12 S/L 13 A 15 B 1 C 2 D 3 E 4 F 5 G 6 H 7 QH 9 VCC 16 GND 8 Z3274HC589 VOL UP CTRL VOL DWN CTRL OFF HOOK CTRL PRIVACY CTRL MUTE CTRL /CTRL BTNS SCK S/LD6 MISO C66 0.1 /CTRL BTNS /NOISE NOISESHEET 5 /DSP_IRQB AUX INAEC REF LINE INAEC REF LDATA /LATCH3

47、 D 13 Q0 4 Q1 5 S0 1 Q2 6 S1 2 Q3 7 S2 3 Q4 9 Q5 10 G 14 Q6 11 CLR 15 Q7 12 VCC 16 GND 8 Z4274HC259 S2 S1 S0 /RST C10 0.1 INTAEC REF /RI R155 10k +5V MIC MIXAEC LINE INAEC AUX INAEC /EEP1 1I 1 1O 18 2I 2 3I 3 4I 4 5I 5 6I 6 7I 7 8I 8 GND 9 DI 10 8O 11 7O 12 6O 13 5O 14 4O 15 3O 16 2O 17 Z29ULN2803 J

48、7-7 +5V +5V 2 3 4 5 6 1 R103 10k SIP . 109. 87. 65. 43. 21Y Y Y Y Y D25 LED BAR +5V 2 3 4 5 6 1 R156 10k SIP R170 10k +5V /P_LINE /FB_0 /FB_1 /6420_RST LDATA /LATCH4 D 13 Q0 4 Q1 5 S0 1 Q2 6 S1 2 Q3 7 S2 3 Q4 9 Q5 10 G 14 Q6 11 CLR 15 Q7 12 VCC 16 GND 8 Z5074HC259 S2 S1 S0 /RST C166 0.1 +5V R108 10k

49、 +5V /AEC_RDY EXTERNAL CONTROL MRP & MEM1 MEM2 MEM3 MEM4 OFF HOOK CTRL /OFF HOOK PRIVACY CTRL /PRIVACY VOL UP CTRL VOL DWN CTRL MUTE CTRL /RING R31 100k R32 100k R33 100k R34 100k R35 100k R36 100k R37 100k C81 .01 C82 .01 C83 .01 C84 .01 C85 .01 C86 .01 C87 .01 C88 .01VOL UP VOL DWN OFF HOOK VOL UP BTN VOL DWN BTN OFF HOOK BTN 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 J7 MDB15 FEM R38 100k C89 .01 C90 .01 C91 .01 C92 .01 +5V R39 100k /MUTE C93 .01 PORT STEP PORT STEP BTN 21 S5A R152 10k SIP R104 10k +5V +5V 1 2 S2 1 2 S3 1 2 S4 RS0 OUT1AEC REF /DTMFTX HYBRID CTRL SHEETS 1,8 /OFF HOOK /PRIVA