CCE-MD3500-cs-sch 电路图 维修手册.pdf

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1、330 470 470 470u opc. 220 220 3K3 100u opc. 47K BC857B 100K BC857B 100p100p 220220 0,47u 22p 12MHz 100n 100n 22p PMLL4148 47p 2K2 22K 100n 270K 1n 10K 10K 100K 1n 10 100n 2R2 22u 22n 330 8M4672Hz 100K 22p 22p 12K 12K 12K 12K 12K 22n 390390 22n 1K1K 3K3 10u 100u 2R2 2R2 100n 2R2 22n 390390 22n 220 10

2、0n 10 220u 22n 3K34K7 100n 100K 100K 100K 100K 10u 10n 10 10K10K 220 100p 100p 220 100n 10 100n 100n 100n 100n 470 470 470 22n 22n 22n 4u7 4u7 10n 100n 10 15K15K 27K22K 220p 22K47K 10 100p 100n 100K BC857B 4K7 47u 47K BC857B 27K BC847B 100 15K 4u7 100p 220 47K22K 220p 22K 1K 1K 4u7 15K 100 BC847B 22

3、0 1N4148 1N4148 OM5284/EB03_B TDA7073A SAA7376 6 x 220p TDA7073A TDA7073A NE4558N NE4558N TDA1311T TDA1300T R270 SW202 R266 R269 C240 C255 R279 R278 R268 C268 C256 R257 Q203 R261 Q205 C264C265 R280R281 C252 C254 X202 C250 C253 C257 D201 C224 R263 R265 C222 R239 C221 C215 C220 C219 C216 C218 C217 R23

4、6 R237 R235 C214 R226 C211 R238 C246 C223 R254 X201 R255 C233 C232 R251 R252 R250 R249 R248 C212 R227R228 C213 R242 R231 R277 C243 C249 R216 R215 C203 R207 C204 R229R230 C205 R243 C227 R273 C251 C202 R205R206 C201 R203 R204 R202 R201 C239 C236 R264 R275R274 R241 C238 C237 R260 SW203 C225 R262 C226 S

5、W201 C228 C230 C231 R240 R245 R246 C259 C260 C258 C245 C244 C235 C229 R225 R221R222 R220 R217 C209 R218R219 R208 C210 C208 R247 Q206 R256 C248 R258 Q204 R214 Q201 R223 R211 C241 C206 R244 R209R213 C207 R210 R233 R234 C242 R212 R224 Q202 R259 D701 D702 9 8 7 6 5 4 3 2 CN201 U206/B U208 U201 U207 U202

6、 U204 U203 CN202 U205 U206/A 1111 1212 1010 88 66 44 22 99 77 33 55 111 ANDRE ROBERTO 27/09/99REVISAO DA LEGENDAE CONFORME AMV-243/99 (ITENS 1 e 2)24/08/99D 23/08/99SAI R.253 / ENTRA D.701.702C MD3260A/B/F-MD3280C-MD3300A/C-MD3500A ESQUEMA ELETRICO 3 CDs MD3260/MD3280/MD3300/MD3500 INCLUSAO MD-3260B

7、/F / MD3280C / MD3300C / MD3500A 1.00.52150.07 03/08/99B ANDRE ANDRE ANDRE ANDRE ANDRE CONFORME AMV-204/99 / INCLUSAO MD-3300A14/07/99 R out L out RX TX 02/03/99 02/03/99 C228 - U201, PIN 53/59 C230 - U201, PIN 47 C231 - U201, PIN 30 C225 - U201, PIN 19 C226 - U201, PIN 2 RDX MUTE MUTE MUTE RDX PCI

8、CONECTOR CN208 CN205 CN204 TXDTXD LED 2LED 2 LED 3LED 3 R outR out L outL out +5V+5V+5V +10V+10V +10V LED 1LED 1 LED 3 LED 2 LED 1 +12V CN202 CN203 pinos 13,15,17 CN203 pino 19,21 CN203 pino 23,25 GND GNDGND P.6(micro) TRAY 3/4/8/11/15 3/4/8/11/15 CAR_M2 CAR_M2 CAR_M1 CAR_M1 M202 M201 BIPOLAR 15 38

9、CN203 GNDGND GND VD2 VD3 VD3 VD2 VD1 AGND2 +Vunreq CDM_POS CAR_POS AGND3 AGND3 AGND3 V4 V3 M M +Vunreq AGND2 2 1 6 7 5 16 13 9 12 1014 AGND2 VDD2+5VVDD1 VDD1VDD1 SDA SCL VSS4 VDD2 EA VDD2 CDM_POS CAR_POS CAR2 CAR1 RSTN VD +5V +5V +5V +5V +5V +5v +5v /AD P0 P1 P2P3TO 77 7 7 00 0 0 A15 A14 A13 A12 A11

10、 A10 A9 A8 SDA SCL 25 24 23 22 21 20 19 18 3 2 1 44 43 42 41 40 30 31 32 33 34 35 36 37 RD WR T1 INTI INTO TXD RXD 13 12 11 10 9 8 7 5 ALE PSEN RST 27 26 29 4 VSS3 VSS2 VSS1 6 39 28 16 14 17 XTAL2 XTAL1 VDD2 VDD1 X2 X2 X2 X2 X2 X2 VDDA2 +5V DGND DGND 6 5 7 DGND3 1 4 8 2 3 +Vunreq +5V AGND3 AGND3 AGN

11、D3 AGND3 AGND3 AGND3AGND3 AGND3 VDD VOL NO VOR GND DATA WS BCK AGND3 DGND DGND DGND VA+5V VD DGND DGND DGND DGNDDGND HOME_SW DGND DGNDDGND HOME_SW BL OR G MOTOR+ Y MOTOR- B SLEDGE+ WH SLEDGE- +Vunreq+Vunreq AGND2 AGND2AGND2AGND2 AGND2 AGND2AGND2 AGND2 AGND2 2 2 1 1 6 6 7 7 5 5 16 16 13 13 9 9 12 12

12、10 10 14 14 AGND2 AGND2 VD1 VA 1 1 2 2 3 3 4 4 5 5 6 6 7 8 9 10 11 12X1 X1 X1 X1 X1 X1 X1 X1 X1 X1 X1 X1 +5V LASER +5V SUBSTRATE R- F+ F- R+ R2 D1 D2 R1 D3,D4 +5V LDON LO VDDL RF RFE VDD O1 O2 O3 O4 O5 O6 GND C ADJ MI LS HG I1 I2 I3 I4 I5 I6 7 16 8 10 9 18 4 6 3 1 5 2 15 13 14 17 12 11 21 19 22 24 2

13、0 23AGND1 AGND1AGND1 VA AGND1 AGND1 AGND1AGND1 AGND1AGND1 AGND1 AGND1AGND1 AGND1 AGND1 AGND1 VSS3 CL4 SDA SCL RAB SILD VSS1 RESET STATUS VDD3C C2FAIL CFLG V1 V2 LDON MOTO1 MOTO2 SBSY SFSY RCX SUB VSS2 V5 V4 V3 KILL EF DATA WCLX VDD2P SCLX VSS1 DOBM VDD1P TEST3 SL FO RA CL11 CL16 TEST2 CROUT CRIN TES

14、T1 HFREF IREF VSSA3 HFIN ISLICE SELPLL VSSA2 VRH TREFT R2 R1 D4 VRL D3 D2 D1 VDDA1 VSSA1 49505152535455565758596061626364 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 32313029282726252423222120191817 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 + + + + + + + + + + + mmemdimensoes PROJECAO DISCRIMINACAO

15、 TITULO: DATAVISTO COD. N.TOL.TOL. MOD. ACAB. ESC. MAT.DATA APRO. PROJ. DES. NOME P.A.ALT. + + + + - - - - - - + + + + + + + + + + - - - - - - - - RadioFans.CN 收音机爱 好者资料库 +5V +5V MIC 4k7 220 220 22k 100 100 100 100 100p 220 1K 100n 100 BC849B 27 220 220 100p 3k9 2k7 47k 10u/16V 10u/16V 4n7 470 BC847

16、B BC847BBC847B 4K7 4K7 4K7 BC847BBC847B 4K7 1u/100V 330p 330p 10n 10n 10n 10n 220 opc. BC847B 4k71k 560k 100n 100n 330p 100 100 100 330p 100 100 47p 47p 47p 1K 1K 1K 1K 1K 10K 10K 10n 10n JUMPER JUMPER 100p 1K 1K 1K 1K 47p 47p 1K 1K 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p 47p

17、 47p 1K 1K 1K 1K 1K 220 220 220 220 220 220 220 220 220 220 220 220 1K 1K 1K 1K 1K 1K 100 100 100 100 100 100 100 100 100 100 1K 1K 1K 1K 1K 1K 1K 1K 1K 1K 1K 0R 1K 10n 10n 1K 1K 1K 1K 1K 1K 1K 1K 1K 47p 47p 100n 10K 10K 4M7 6MHz 33p 33p 10u/50V100n 33 47u/16V 47p BC847B 100p 220 56K JUMPER 5K6 4K7

18、1N4148 100n 10K BC847B 47p 10K 10K 1u BC847B 22K180 10K BZV55F3V310K 10K 2K2 2K2 opc. 2K2 2K2 10K SC42749-6 uPD16311 MC68HCO5C9A R603 D607 R688 R1603 R689 D609 R697 R699 R694 JK601 R1610 C650 R1614 R1600 C649 R1608 Q604 R1604 D610 R687 D611 R690 R1609 R1605 R1607 C647 C646 C645 R1606 D608 Q613 Q606Q

19、608 R1616 R1618 R1622 Q610Q612 R1620 C657 C656 C655 C658 C659 C661 C660 R1623 D621 C662 Q615 C670 C643 C653 R696 R698 R692 C654 R695 R693 IC604 C652 C638 C639 R686 R685 R1611 R1612 R1613 R1601 R1602 C641C642 L602 L603 C619 R661 R660 R684 R683 C620 C618 R682 R681 C617 C632 C631 C630 C624 C623 C625 C6

20、26 C651 C611 C621 C622 C616 C613 C610 C614 C629 C615 R658 R674 R673 R672 R671 R632 R631 R630 R629 R628 R627 R626 R625 R624 R623 R622 R621 R633 R634 R635 R636 R637 R638 R643 R642 R641 R640 R644 R645 R646 R647 R639 R648 R663 R664 R662 R659 R650 R651 R652 R653 R654 R655 R656 R657 R670 C628C627 R668 R66

21、9 R665 R666 R667 R678 R677 R676 R675 C634 C635 E601 C607 CN602 R606 R614 R601 X601 C601 C602 C604C603 R602 C605 C636 Q601 C609 R691 R609 D612 L601 R608 R607 D601 C608 R604 Q603 C633 R680 R679 C606 Q602 R618R620 R619 D606R617 R616 R610 R611 C612 R612 R613 D605 D604 D603 D602 R605 AZUL AZUL AZUL IC603

22、 PERSONAL PERSONAL MUSIC MUSIC CINE CINE E602 3 2 1 GAME GAME VFD JUMPER IC602 IC601 IR601 VFD601 TX RX COM CD SERIAL VERDE CLK CLK M/T M/T REM_OUT ENC_2 ENC_2 CPCP ENC_1 ENC_1 ENC_3 ENC_3 +9V +9V DD ENC-4 STB STB D_IN D_IN D_OUT D_OUT ENC_4 REC REC STBY STBY PB_1/2 PB_1/2 MUTE_PW MUTE_PW M_P M_P M_

23、RP M_RP STRSTR BUSCLK BUSCLK CLOCK CLOCK DATA DATA STBY_PW STBY_PW -VFD -VFD GND_2 GND_2 MOTOR MOTOR P/R_SW P/R_SW DATA_R DATA_R W-E W-E SURROUND SURROUND RELE PHONE REF_AC GND GND +5V+5V +5V+5V +5V +5V +5V +5V FIL_A FIL_A FIL_B FIL_B 29/05/00R657 ERA 1KD PCI FRONTAL MD-3500A/B ESQUEMA ELETRICO GND

24、DO MICRO INCLUSAO C653.654.655.65629/11/99C MD-3500A/B 27/09/99REVISAO DA LEGENDAB ANDRE CONFORME AMV-243/99 (ITEM 4) / ACERTO CN604 CN601CN602 CN604/A CN604/A CN604/BCN604/B 24/08/99ANDRE ANDRE ANDRE ANDRE A 1.00.52160.05 18/08/99 18/08/99 LARANJA LARANJA LARANJA LARANJA LED LARANJA LED LARANJA LED

25、 LARANJA LED LARANJA LED LARANJA LED LARANJA LED LARANJA LED R1611 R1613R1612 LD3 MIC PCI LATERAL PCI FRONTAL PCI FRONTAL ENC P/P LD2 LD1 RELE PHONE D 4094 KA7542 +5V PERSONAL DIMMER LOUD MUSIC DEMO TUNER AUX GAMECINE CD3 CD2 CD1 VddEOO4O5O6O7OsOs VssO3O2O1O0CPDSTR 161514131211109 87654321 JOG CN602

26、 CN603 CN601 ROBERTO X-TONE RPM6936/V4 +5V 4 X 1N4148 RESET OPCIONAL PARA PCI LATERAL FLASH WAVE 17 27 26 25 24 23 22 21 20 28 19 29 18 30 17 31 16 32 15 # # # # # # # # MODE SURROUND OPEN/CLOSEPOWER # # VOLUME # # # # # # # TAPE CD # # # DISC STOP # # # DISCO 3 DISCO 2 DISCO 1 48 47 46 45 44 43 42

27、41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 21 20 19 18 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1PLAY/PAUSE 35 36 37 38 39 40 41 42 43 44 5 ENCODERENCODER 484746454443424140393837 363534333231302928272625 242322 22 212019181716151413 121110987654321 Seg12/KS12 Seg11/KS11 Seg10/KS10 Seg9/KS

28、9 Seg8/KS8 Seg7/KS7 Seg6/KS6 Seg5/KS5 Seg4/KS4 Seg3/KS3 Seg2/KS2 Seg1/KS1 Vdd KEY4 KEY3 KEY2 KEY1 STB CLK IC Din Dout SW4 SW3 SW2 SW1 Seg13/Grid16 Seg14/Grid15 Seg15/Grid14 Seg16/Grid13 Seg17/Grid12 Seg18/Grid11 Vdd Vee Grid8 seg19/Grid10 Seg20/Grid9 Grid7Grid6 Grid5 Grid4 Grid3 Grid2 Grid1 Vdd LED5

29、 LED4 LED3 LED2 LED1 Vss OSC 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 1312111098765432 RESET CLOCK VFD DISPLAY +5V+5V +5V +5V +5V +5V +5V +5V +5V 15141312 11 10 9 8 7 6 5 4 3 2 1 REMOTO TX RX PD7 TCAP OSC2 OSC1 VDD N/C N/C R

30、ESET IRQ Vpp PA7 PA6 PC3 PC2 PC1 PC0 PDO/RDI PD1/TDO PD2/MISO PD3/MOSI PD4/SCK PD5/SS TCMP N/C PC4 PC5 PC6 PC7 Vss N/C PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PA0 PA1 PA2 PA3 PA4 PA5 23 24 25 26 27 28 29 30 31 32 33 3435363738394041424344 22212019181716 1 403530252015101 STR CP 7 6 5 7 6 5 1 1 2 2 3 3 4 4 5

31、 6 8 9 10 11 12 1313 12 11 10 9 8 6 5 4 4 3 3 2 2 1 1 77 10 9 6 6 6 9 8 8 7 7 7 5 5 5 4 4 4 3 3 3 2 2 2 1 1 1 + + + + + + BALANCE DEMO CHANGE DISC MICPHONE EQUALIZER MODEENCODER LOUD VOLUME POWER SEQUENCIA NO PAINEL CDTUNERTAPE DISC CHANGE OPEN CLOSE 1 2 3 DISC DIRECT CINEGAMEMUSICPERS SURR X-TONE D

32、IMMER DJ WAVEFLASH AUX mmemdimensoes PROJECAO DISCRIMINACAO TITULO: DATAVISTO COD. N.TOL.TOL. MOD. ACAB. ESC. MAT.DATA APRO. PROJ. DES. NOME P.A.ALT. RadioFans.CN 收音机爱 好者资料库 +B +B +B +9VA PWL_OUT +9VB +9VB PWR_OUT +12V +12V +12V +9V GND GND GND STBY -VFD PHONE PHONE REF_AC +5V +5V +5V +5V FIL_A FIL_

33、B MIC +5V MOTOR +5V+5V +9VB +5V +12V +12V opc. 150 150 150 150 10k 180 10k 10K BC847B BC847B 15k15k 15k 47K 100n 47u 47u 1N758 2SD2061 470 4K7 BC847B 10K 100n 10K BC337/25 220u/16V 1N964 2K2 opc. 22k 47u/25V BC337/25 470 BC857B 100n opc. BC847B BC327/25 opc. 4k7 10k 22k 10k 10V 100k 470 30V 10K 10K

34、1u/50V 100u/50V 1N4004 1N4004 10n/500V 100u/100V 4K7 100n 4K7 4,7 47K 47k 47k opc. SVC323S 10p10p SV203SPA 4p7 100k 82K 100n 47k 22p SV203SPA opc. 390p 82K opc. SVC323S 18p 10 2K2 470n 1u/50V 470n 220n 330p 10k 10n 22n 4,7u/50V 4,7u/50V 12n 12n 2,2u/50V CDA10.7 470n 100n 100n 1k 100u/10V 10u/16V 100

35、p 47pANT.FM SFE10.7MS3SFE10.7MS3 75KHz 12p 10 100n 1u/50V 150k 1n 470n 10K 100K BC847B 2K22K2 470 470 470 220p22n220p220p 470 10 22k 22k 22k 100n 47k BC847B 1N4148 47k 10K 47u 10u 680 100u/40V 56K 1K 4p7 470p 2200u/50V 4,7 4,7 100n 100n 47K BC847B BC556B 56K BC847B 100K100K 10K 10K 100 10K 100n 47K

36、100 1K 470p 100u/40V 10u 1u 1u 10n/500V 10n/500V 10n/500V LT4A03 10n/500V LT4A03 2200u/50V LT4A03 LT4A03 10u 680 100K 100K 4p7 10K 10u 1u 10K 10K 10k 10k 4,7u 10u 47k47k BC847B470 15k 1N4004 opc.opc. 100 220u/16V 47u 1N4148 1K 4,7u BC847B 4k7 4k7 100k 1N4148 1N4148 47K 0 47 470n 47 33p opc. 100n 2,2

37、u 2,2u 100k 47k BC847B 10n 2,2u 2n7 2n7 220n 220n 100u 10 5K6 2,2u 2,2u BC547B 22n 33n 220n 220n 2,2u 2,2u 2,2u 47k 2,2u 2,2u 2,2u 10u 10u 100u 2,2u 5K6 33n 10n/100V 10n/100V 10n/100V 1N4004 10n/100V 1N4004 2200u/16V 1N4004 1N4004 10K 470u 470470 22k 12n12n 22k 47k 47k2k2 22k 82p 2k2 1k 6n8 1k 100k

38、10k BC847B 10k BC847B 2k2 12n 6k8 1k 6n8 1k 12n 680 22k 6k8 1k 1k 82p 100k 2k2 680 1n1n 100k100k 1u 1k 1k 390k 22n BC847B 5n6 47k 220u 39 47k 22k 47 2n7 4,7u/50V 39 47 BC847B 10k 22k 47k BC847B 10 10 10k OSC.BIAS BC847B BC847B 18k 2n7 18k 2n7 10n 2n7 220u/16V 8,2 opc. 1 3n3 470p 470p 22n BC857B BC84

39、7B BC857B 22n 1k BC817 BC857B BC857B 68K 68K BC857B 18k 1k2 390k 18k 1k2 5n6 220u 330k 2n7 330k 4k74k7 47k47k 330k 2n7 330k 220u 5n6 1k2 18k 390k 1k2 18k 47 39 2n7 4739 220u 5n6 390k 68 68 68n 68n BC857B 10k BC857B 47k 47k47k 10n 470 470 10k 10k 1u STK405-090A SFU455B TEA5757 AM OSC OSC FM RF FM AM

40、ANT AFC AM FI AMFI AM MG40-4 7805 4558 (+) (-) 4558 4558 (+) (+) (-) (-) R133 R247 R246 R249 R248 CN403 R422 R129 R421 R201 Q102 Q101 R415 CN402 R420 R419 R418 C518 C521 C519 D510 Q501 R508 R510 Q504 R509 C517 R511 Q505 C516 D509 R512 C513 R513 C515 Q502 R514 Q503 C520 C950 Q953 Q952 D952 R955 R956

41、R957 R507 D507 R505 R502 D506 R241 R238 C208 C508 D205 D505 C506 C507 R234 C509 R235 R515 R224 R118 R119 C102 D101 VC101 L102 VC102 D102 C104 R102 R101 C103 R103 C105 D103 VC103 L103 C107 R104 VC104 D104 C106 R105 R111 C113 C114 C112 C110 C111 R110 C109 C108 C118 C117 C115 C116 C119 CF101 C120 C121

42、C122 R113 C101 L101 C129 C128 C127L104 CF104 CF102CF103 XT101 C134 R112 C123 C125 R127 C133 C140 R114 VR101 Q207 R124R123 R120 R121 R122 C124C132C131C130 R126 R950 R951 R953 R952 C135 R958 Q204 D209 R202 R216 C222 C216 R226 C217 R230 R245 C212 C214 C206 R231 R232 C209 C210 R217 Q205 Q206 R227 Q203 R

43、243R242 R218 R220 R223 R222 C223 R219 R221 R244 C213 C218 C232 C231 C228 C201 C204 C203 D201 C202 D204 C205 D202 D203 C215 R225 R228 R229 C211 R237 C229 C230R240 R239 R405 CN501C R404 C219 C221 R211R212 Q202 R213 R416 D206 R253R254 R233 C514 C952 S901A/B RL101 D208 R236 C220 Q209 R406 R407 R250 D106

44、 D105 R417 R132 R131 C139 R130 C138 R128 C137 C407 C406 CN401 R251 R413 Q208 C207 C424 C403 C402 C414 C416 C418 R401 R402 C425 C422 Q201 C136 C404 C415 C417 C410 C408 C412 R414 C413 C409 C421 C420 C419 C423 C411 R403 C405 CN203 CN202 CN501A C501 C504 C503 D501 C502 D504 C505 D502 CN501B D503 R501 C9

45、34 R967R966 R970 C923C922 R971 R968 R969R973 R990 C929 R972 R986 927 R988 R992 R975 Q915 R974 Q916 R979 C925 R981 R987 C926 R983 C924 R985 R991 R980 R989 R982 C928 R993 R976 R984 C916C915 R962R961 C920 R960 R959 R910 C907 Q906 C904 R943 C906 R911 R954 R942 R914 C901 C951 R912 R913 Q914 R963 R965 R96

46、4 Q911 R916 R915 R923 T903 Q903 Q904 R937 C942R936 C944 C941 C943 C940 R934 C932 R940 C933 C931 C930 C917 Q910 Q908 Q902 C945 R939 Q905 Q901 Q907 R978 R977 Q909 R906 R904 R909 R905 R903 C903 C905 R901 C902 R902 R908R907 R946R947 R924 C908 R925 C919 C911 R927 R929 R931 R926 R928 R935 R941 C909 R932R9

47、33 C918 C910 R930 R945 R944 C913 C912 Q913 R922 Q912 R920 R949R948 C914 R917 R918 R919 R921 C921 FM LOOP IC401 1234 IC201 11V 8V 8V 654321 ANTENA ANTENA REC/PLAYPLAY IC101 T104T103 T102 T101 IC501 IC903 IC901 IC902 Rin_1Lout Rout Lin_3 Lin_4 Loud_L Rin_2 Rin_3 Rin_4 Loud_R Rin Treble_R Treble_L Agnd

48、 VddRef CLK DATA Dgnd Out_L Out_R Bout_R Bin_R Bout_L Bin_L Lin Lin_1 Lin_2 & Gain Control Input Selector Loudness Volume & & Gain Control Input Selector PT2314 BassBass Mute AttAtt Mute Loudness Volume & Treble Treble Supply Latches Decoder & Serial Bus RADIO_R RADIO_L RADIO_L L_REC VCC L_OUT L_OUT

49、 L_OUT L_OUT 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC 1/2VCC1/2VCC 1/2VCC 1/2VCC1/2VCC1/2VCC 1/2VCC 1/2VCC1/2VCC1/2VCC R_OUT R_OUT R_OUT R_OUT R_REC +9V +9V +9V +9V +9V REC REC REC PB_1/2 PB_1/2 PB_1/2 STBY STBY MUTE_PW MUTE_PW MUTE_PW MUTE_PW M_P M_P M_P M_RP M_RP M_RP STR STR BUSCLK BUSCLK CLOCK CLOCK CLOCK DATA DATA DATA STBY_PW STBY_PW -VFD -VFD GND_2 MOTOR MOTOR MOTOR P/R_SW P/R_SW P/R_SW P/R_SW DATA_R DATA_R W-