Arcam-DivaAVR300-avr-sch维修电路原理图.pdf

《Arcam-DivaAVR300-avr-sch维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Arcam-DivaAVR300-avr-sch维修电路原理图.pdf（14页珍藏版）》请在收音机爱好者资料库上搜索。

1、AVR300 AVR300 Circuit diagrams RadioFans.CN 收音机爱 好者资料库 downloaded from http:/receiverfaq.ru/ 1234 A B C D 4321 D C B A A & R cambridge ltd DWN.BY: SZ Lin APP.BY: MODEL: AVR300 DATE:06/APR/2004 DATE: ISSUE: M1 KEY SCH SHEET 1 OF 13 SG5 1 SG6 2 SG7 3 SG8 4 SG9 5 SG10 6 SG11 7 SG12 8 SG13 9 SG14 10 SG1

2、5 11 SG16 12 SG17 13 SG18 14 SG19 15 SG20 16 SG21 17 SG22 18 SG23 19 SG24 20 SG25 21 SG26 22 SG27 23 SG28 24 SG29 25 SG30 26 SG31 27 SG32 28 SG33 29 SG34 30 SG35 31 GR1 32 GR2 33 GR3 34 GR4 35 GR5 36 GR6 37 GR7 38 GR8 39 GR9 40 GR10 41 GR11 42 GR12 43 GR13 44 GR14 45 GR15 46 GR16 47 VEE 48 VSS 49 OS

3、CI 50 OSCO 51 RSTB 52 CSB 53 CLKB 54 DIN 55 VDD 56 P1 57 P2 58 AD2 59 AD1 60 SG1 61 SG2 62 SG3 63 SG4 64 U1001 PT6302 F 1 F 2 P36 3 P35 4 P34 5 P33 6 P32 7 P31 8 P30 9 P29 10 P28 11 P27 12 P26 13 P25 14 P24 15 P23 16 P22 17 P21 18 P20 19 P19 20 P18 21 P17 22 P16 23 P15 24 P14 25 P13 26 P12 27 P11 28

4、 P10 29 P9 30 P8 31 P7 32 P6 33 P5 34 P4 35 P3 36 P2 37 P1 38 14G 39 13G 40 12G 41 11G 42 10G 43 9G 44 8G 45 7G 46 6G 47 5G 48 4G 49 3G 50 2G 51 1G 52 F 53 F 54 VF101 29-1403F P0.3 40 P0.2 41 P0.1 42 P0.0 43 VCC 44 NC 1 P1.0 2 P1.1 3 P1.2 4 P1.3 5 P1.4 6 P1.5 7 P1.6 8 P1.7 9 RST 10 P3.0 11 NC 12 P3.

5、1 13 P3.2 14 P3.3 15 P3.4 16 P3.5 17 P3.6 18 P3.7 19 X2 20 X1 21 GND 22 NC 23 P2.0 24 P2.1 25 P2.2 26 P2.3 27 P2.4 28 P2.5 29 P2.6 30 P2.7 31 PSEN 32 ALE 33 NC 34 EAVPP 35 P0.7 36 P0.6 37 P0.5 38 P0.4 39 U1002 AT89C52 C1001 20P C1002 20P CR1001 12M SW1024 DIRECT SW1025 DISPLAY SW1026 MUTE SW1006 RDS

6、 INFO SW1019 CD SW1020 FM SW1021 AM SW1014 SAT SW1015 AV SW1016 VCR1 SW1009 MODE SW1010 BASS SW1011 MENU SW1003 PRESET SW1004 STORE SW1005 FM MUTE SW1022 EXT7.1 SW1023 ZONE2 SW1017 VCR2 SW1018 TAPE SW1012 OK SW1013 DVD SW1007 TREBLE SW1008 EFFECT SW1001 UP SW1002 DOWN SG1 SG2 SG3 SG4 SG5 SG6 SG7 SG8

7、 SG9 SG10 SG11 SG12 SG13 SG14 SG15 SG16 SG17 SG18 SG19 SG20 SG21 SG22 SG23 SG24 SG25 SG26 SG27 SG28 SG29 SG30 SG31 SG32 SG33 SG34 SG35 SG0 SG0 GR1 GR1 GR2 GR3 GR4 GR5 GR6 GR7 GR8 GR9 GR10 GR11 GR12 GR13 GR14 GR2 GR3 GR4 GR5 GR6 GR7 GR8 GR9 GR10 GR11 GR12 GR13 GR14 AC4V1AC4V2 LE1011 LED LE1006 LED LE

8、1001 LED LE1013 LED LE1008 LED LE1003 LED LE1002 LED LE1007 LED LE1012 LED LE1004 LED LE1009 LED LE1014 LED LE1015 LED LE1010 LED R1001 100 R1002 100 R1003 100 R1004 100 R1005 100 R1006 100 R1007 100 R1008 100 R1009 100 R1010 100 R1011 100 R1012 100 R1020 20 1 2 3 IR801 R1015 470 C1003 47u/16V 1 2 3

9、 P1001A P3 VOL1 VOL2 1 2 3 V690 ENCODER 1 2 3 P1001B VOLUME BOARD Q1001 C123 Q1002 C123 +5v AC4V1 AC4V2 C1004 47P R1016 3K3 R1017 1K C1005 103 C1006 103 C1007 47u/6V3 C1008 100u/50V C1009 103 C1010 104 Q1003 C123 SG1 SG2 SG3 SG4 SG5 SG6 SG7 SG8 SG9 SG10 SG11 SG12 SG13 SG14 SG15 SG16 SG17 SG18 SG19 S

10、G20 SG21 SG22 SG23 SG24 SG25 SG26 SG27 SG28 SG29 SG30 SG31 SG32 SG33 SG34 SG35 C1011 10u/16V R1018 10K LE1005 LED R1014 100 +5V GND IR IN GND IROUT SDET YUVDET RS1 RS2 -V YUVDET SDET P1002A P2A R1019 10K C1012 470u/6V3 P1 P2 P2 P1 1 2 3 P102A P3 1 2 3 P102B P3 LED BOARD 1 2 3 4 5 6 P205B TO RS232 BO

11、ARD SD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 P101A 15P RS1 RS2 RS2 RS1 R1022 4K7 R1023 4K7 R1024 4K7 SD R1025 4K7 C1014 103 C1015 103 C1016 470u/6V3 C1013 470u/6V3 R1026 4K7 R1027 4K7 R10284K7 R1029 4K7 A114 Q1005 Q1004 C114 R1030 10K RadioFans.CN 收音机爱 好者资料库 123456789101112 A B C D 121110987654321 D C

12、 B A A & R cambridge ltd DWN.BY: SZ Lin APP.BY: MODEL: AVR300 DATE: 06/APR/2004 DATE: ISSUE: M1 MULTI SCH SHEET 2 OF 13 C578 47u/16V R409 33 CON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P402A FROM MAIN BOARD P402A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P403A FROM MAIN BOARD P403A R402 5K1 R406 5K1 R40

13、5 12K R408 12K R407 5K1 R401 5K1 C414 220u/16V C413 220u/16V C402 220u/16V C405 220u/16V C408 220u/16V C401 220u/16V R4105K1 R4115K1 BSMU CMU FMU SMU C420 10u/16V C430 103 C421 104 +3.3VD C422 104 5 6 7 U414B NE5532 R4744K3 R473 4K7 R416 22K R415 2K C431 223 C432 104 C47333P R475 220 C E B Q401 1241

14、 BSMU C475 221 R477 100K Nd Nd Z_AMP +12V -12V R403 5K1 R404 5K1 by 1 bx 2 cy 3 c_o 4 cx 5 INH 6 VEE 7 VSS 8 C 9 B 10 A 11 ax 12 ay 13 a_o 14 b_o 15 VCC 16 U403 74HC4053 R472 0 R469 0 R445 3K9 R447 4K7 R4674K7 R444 5K1 C46147p 3 2 1 U413A NE5532R468 0 R446 20KC471220p 5 6 7 U412B NE5532 R449 3K9 R45

15、1 4K7 R470 4K7 R448 5K1 C46547p 3 2 1 U409A NE5532 R471 0 R45020K C472220p C415 10u/16V C418 10u/16V C423 10u/16V C416 104 C417 104 C419 104 C424 104 AIN1L 1 AOM1R 2 AOM2L 3 AIN2R 4 AIN3L 5 AIN3R 6 AOM4L 7 AOM4R 8 AIN5L 9 AIN5R 10 AIN6L 11 AIN6R 12 AIN7L 13 AIN7R 14 AIN8L 15 AIN8R 16 APL 17 AINVGL 1

16、8 AINVGR 19 AINOPR 20 RECL 21 RECR 22 REFADC 23 VMIDADC 24 AGND 25 AVDD1 26 AUX1L 27 AUX1R 28 AUX2L 29 AUX2R 30 AUX3L 31 A3R 32 AVDD2 33 VOUT1L 34 VOUT1R 35 DACREFP1 36 VOUT2L 37 GR1 38 VOUT2R 39 VMIDDAC 40 VOUT3L 41 GR2 42 VOUT3R 43 DACREFP2 44 VOUT4L 45 VOUT4R 46 AGND2 47 DG 48 DVDD 49 ZFLAG1 50 Z

17、FLAG2 51 DOUT 52 DIN1 53 DIN2 54 DIN3 55 DIN4 56 DACLRC 57 ADCLRC 58 BCLK 59 MCLK 60 CL 61 DI 62 CE 63 RES 64 U401 WM8770 C460 104 C464 104 R4814K3 R480 4K7 C47633P R482 220 BSMU C478 221 R484 100K 3 2 1 U414A NE5532 5 6 7 U415B NE5532 R4884K3 R487 4K7 C47933P R489 220 SMU C481 221 R491 100K R4954K3

18、 R494 4K7 C48233P R496 220 SMU C484 221 R498 100K 3 2 1 U415A NE5532 5 6 7 U417B NE5532 R5024K3 R501 4K7 C48533P R503 220 CMU C487 221 R505 100K R5094K3 R508 4K7 C48833P R510 220 FMU C490 221 R512 100K 3 2 1 U416A NE5532 5 6 7 U416B NE5532 R5164K3 R515 4K7 C49133P R517 220 FMU C493 221 R519 100K R52

19、37K5 R522 4K7 C49433P R524 220 R525 220 SUBMU C496 221 R526 100K 3 2 1 U417A NE5532 R466 0 R463 0 5 6 7 U407B NE5532 R437 3K9 R439 4K7 R4614K7 R436 5K1 C45347p R462 0 R43820K C469220p 5 6 7 U411B NE5532 R441 3K9 R443 4K7 R4644K7 R440 5K1 C45747p 3 2 1 U408A NE5532 R465 0 R442 20K C470220p C452 104 C

20、456 104 R460 0 R457 0 5 6 7 U406B NE5532 R429 3K9 R431 4K7 R4554K7 R428 5K1 C445 47p 3 2 1 U411A NE5532 R456 0 R430 20K C467220p 5 6 7 U410B NE5532 R433 3K9 R435 4K7 R4584K7 R432 5K1 C449 47p 3 2 1 U407A NE5532 R459 0 R43420K C468220p C444 104 C448 104 R454 0 3 2 1 U410A NE5532 R425 3K9 R427 4K7 R45

21、24K7 R424 5K1 C44147p 3 2 1 U406A NE5532 R453 0 R42620K C466220p C440 104 C433 220u/16V by 1 bx 2 cy 3 c_o 4 cx 5 INH 6 VEE 7 VSS 8 C 9 B 10 A 11 ax 12 ay 13 a_o 14 b_o 15 VCC 16 U404 74HC4053 R418 1K R421 1K R4194K7 R4204K7 R422 4K7 R423 4K7 84 U411C OPA2134 84 U412C OPA2134 84 U410C OPA2134 84 U40

22、9C OPA2134 84 U407C OPA2134 84 U408C OPA2134 84 U406C OPA2134 +12V -12V C500 104 C502 104 C504 104 C506 104 C508 104 C510 104 C512 104 C501 104 C503 104 C505 104 C507 104 C509 104 C511 104 C513 104 84 U416C OPA2134 84 U417C OPA2134 84 U415C OPA2134 84 U414C OPA2134 84 U413C OPA2134 C514 104 C516 104

23、 C518 104 C520 104 C522 104 C515 104 C517 104 C519 104 C521 104 C523 104 Vin 1 GND 2 +5V 3 U405 LM7805 +12V C426 47u/16V C425 104 R413 330/1/8W -12V C428 1000u/6V3 C427 104 C434 104 C435 104 C437 104 C436 104 5 6 7 U409B NE5532 5 6 7 U413B NE5532 1 2 3 4 5 6 7 8 P105B TO AMP1 BOARD P104A1 1 2 3 4 5

24、6 P101B TO AMP1 BOARD P106A C458 220u/16V C462 220u/16V C450 220u/16V C454 220u/16V C442 220u/16V C446 220u/16V C438 220u/16V VA403A FR_OUT VA403B FL_OUT VA403C SR_OUT VA403D SL_OUT VA403E BSR_OUT VA403F BSL_OUT VA401A EXT_RIN VA401B EXT_LIN SUBMU MON CON VA404A CEN_OUT VA404B SUB_OUT ZONE_R E_SL ZO

25、NE_L E_SR E_Z_R E_Z_L E_SR E_SL R5302K4 R531 2K4 R53210K R53310K R53420K R53520K Y0 1 Y2 2 Y 3 Y3 4 Y1 5 EN 6 Vee 7 VSS 8 S1 9 S0 10 X3 11 X0 12 X 13 X1 14 X2 15 VDD 16 U418 74HC4052 L_S0 L_S1 +4V7 -4V7 C525 104 C526 104 2V IN0 4V IN0 1V IN1 0.5V IN1 0 1 0 1 L_S1 L_S0 -4V7 +4V7 -4V7 +4V7 L_S1 L_S0 R

26、536 100R / 1/4W C429 3300u/10V +3.3VD ZONE_L ZONE_R C541 220u/16V C542 220u/16V E_Z_R E_Z_L D205 1N4148 D206 1N4148 D207 1N4148 D208 1N4148 C543 104 C544 104 -4V7 +4V7 Z_AMP R537 1K R5381K C545 103 C546 103 C547 104 R540 1k Y0 1 Y2 2 Y 3 Y3 4 Y1 5 EN 6 Vee 7 VSS 8 S1 9 S0 10 X3 11 X0 12 X 13 X1 14 X

27、2 15 VDD 16 U420 74HC4052 R5456K8 R54620K R5483k3 R54722K R5416K8 R54420K R5423k3 R54322K 40 20 11 0.51 0 1 0 1 G_S1 G_S0 Gain +4V7 C549 104 -4V7 C550 104 G_S0 G_S1 R5491K R5501K Y0 1 Y2 2 Y 3 Y3 4 Y1 5 EN 6 Vee 7 VSS 8 S1 9 S0 10 X3 11 X0 12 X 13 X1 14 X2 15 VDD 16 U421 74HC4052 R5556K8 R556 20K R5

28、58 3k3 R557 22K R5516K8 R55420K R5523k3 R55322K +4V7 C554 104 -4V7 C553 104 G_S0 G_S1 R559 1K R5601K Y0 1 Y2 2 Y 3 Y3 4 Y1 5 EN 6 Vee 7 VSS 8 S1 9 S0 10 X3 11 X0 12 X 13 X1 14 X2 15 VDD 16 U422 74HC4052 R565 6K8 R566 20K R568 3k3 R567 22K R5616K8 R56420K R5623k3 R56322K +4V7 C558 104 -4V7 C557 104 G

29、_S0 G_S1 R5691K R570 1K Y0 1 Y2 2 Y 3 Y3 4 Y1 5 EN 6 Vee 7 VSS 8 S1 9 S0 10 X3 11 X0 12 X 13 X1 14 X2 15 VDD 16 U423 74HC4052 R575 6K8 R576 20K R578 3k3 R577 22K R571 6K8 R57420K R5723k3 R57322K +4V7 C562 104 -4V7 C561 104 G_S0 G_S1 R579 1K R580 1K R583 3K9 C565 104 R581 1K5 R58220K C566271 +12V C49

30、9 470u/16V 20mA supply 3.3v R585 12K R586 12K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P406A FROM MAIN BOARD P406A G_S0 G_S1 VA402A EXT_CIN VA402B EXT_SUBIN VA401C EXT_SRIN VA401D EXT_SLIN VA401E EXT_BSRIN VA401F EXT_BSLIN CE DI CL W RST DGND DGND DGND DGND DGND DGND DGND DGND MCLK BCLK LRC DIN4 DIN3

31、DIN2 DIN1 DOUT Analog_L Analog_R SL SUB CEN BSR BSL SR FR FL BSR BSL SR SL CEN FR FL SUB AMP GND AMP GND AMP GND AMP GND AMP GND AMP GND AMP GND FL C SL FR SR BSR BSL C497 100u/16V C498 100u/16V R599 3K9 C567 33p 3 2 1 U412A NE5532 5 6 7 U408B NE5532 BI_AMP Y0 1 Y2 2 Y 3 Y3 4 Y1 5 EN 6 Vee 7 VSS 8 S

32、1 9 S0 10 X3 11 X0 12 X 13 X1 14 X2 15 VDD 16 U419 74HC4052 R601 5K1 R600 5K1 BI_AMP C570 104 R602 1k DVD_A0 ZONE21 DVD_LR0 0 0 1 Z_AMPBI_AMP R478 33 DGND C E B Q402 1241 R476 220 R483 220 R490 220 R497 220 R504 220 R511 220 R518 220 Vin 1 G 2 3V3 3 U625 LM3.3 R479 2K R499 100 AGND DGND Q417 KTC8050

33、 R611 1K C410 47u/16V Z402 4V7 C579 103 C580 47u/16V R412 330/1/8W R612 1K C409 47u/16V Z401 4V7 C581 103 Q418 KTC8550 C E B Q403 1241 C E B Q404 1241 C E B Q405 1241 C E B Q406 1241 C E B Q407 1241 C E B Q408 1241 C E B Q409 1241 C E B Q410 1241 C E B Q411 1241 C E B Q412 1241 C E B Q413 1241 C E B

34、 Q414 1241 C E B Q415 1241 C E B Q416 1241 Not fitted Not fitted Bypass WM8770 internal Mux Option in case bypass does not work C498 47u/16V Nd Nd R613 100 R614 100 R615 100 R616 100 R617 100 R618 100 R619 100 R620 100 C492 220u/16V C489 220u/16V C486 220u/16V C483 220u/16V C480 220u/16V C477 220u/1

35、6V C474 220u/16V C495 220u/16V R623 10K TO GND R624 10K R625 10K R626 10K R627 10K R628 10K R629 10K R630 10K R631 10K R632 20K C680 100u/50V 1 2 3 4 5 6 7 8 9 10 11 12 P404A FROM AUD BOARD P404B 1234 A B C D 4321 D C B A A & R cambridge ltd DWN.BY: SZ Lin APP.BY: MODEL: AVR300 DATE:06/APR/2004 ISSU

36、E: M1 AUDIO SCH SHEET 3 OF 13 SAT_R SAT_L AV_L PVR_L DVD_L DVD_R C3020 10u/16V VSS 1 S1 2 S2 3 S3 4 S4 5 S5 6 S6 7 S7 8 S8 9 S9 10 S10 11 S11 12 GND 13 CK 14 DATA 15 STB 16 S11 17 S10 18 S9 19 S8 20 S7 21 S6 22 S5 23 S4 24 S3 25 S2 26 S1 27 VDD 28 U3001 TC9273-001 R3031 100K R3032 100K C3014 221 C30

37、13 221 R3029 100 R3030 100 R3023 100K R3024 100K C3012 221 C3011 221 R3021 300R R3022 300R R3019 100K R3020 100K C3010 221 C3009 221 R3017 220 R3018 220 R3015 100K R3016 100K C3008 221 C3007 221 R3013 220 R3014 220 R3011 100K R3012 100K C3006 221 C3005 221 R3009 220 R3010 220 R3007 100K R3008 100K C

38、3004 221 C3003 221 R3005 220 R3006 220 R3003 100K R3004 100K C3002 221 C3001 221 R3001 220 R3002 220 R3025 300R Q3001 1241 C3019 10u/16V IN1 1 OUT1 2 GND 3 DATA 4 CLK 5 VCC 6 OUT2 7 IN2 8 U3002 M62429FP R3026 300R A_MU Q3002 1241 CL2 DA5 TC9273-001 DA5 CL3 by 1 bx 2 cy 3 c_o 4 cx 5 INH 6 VEE 7 VSS 8

39、 C 9 B 10 A 11 ax 12 ay 13 a_o 14 b_o 15 VCC 16 U300374HC4053 R3037 100K R3038 100K C3016 221 C3015 221 R3035 100 R3036 100 by 1 bx 2 cy 3 c_o 4 cx 5 INH 6 VEE 7 VSS 8 C 9 B 10 A 11 ax 12 ay 13 a_o 14 b_o 15 VCC 16 U300474HC4053 VCRM PVRM A_MU TUN_R TUN_L CD_R VCRM +12V TC9273-001 1 2 3 4 5 6 7 8 9

40、10 11 12 P302A TO MAIN BOARD P302A CD_L R3041 330 R3042 330 Z3002 4V7 Z3001 4V7 C3022 10u/16V C3021 10u/16V C3024 10u/16V C3023 10u/16V -12V +12V +12V -12V C3137 220u/10V C3138 220u/10V DVD_R DVD_L SAT_R SAT_L AV_R AV_L PVR_R PVR_L VCR_R VCR_L CD_R TUN_R CD_L +50VTUN_L C3041 10u/16V R3063 470 1/4W Z

41、3003 5V1 Q3003 1241 Q3004 1241 D3010 1N4148 D3011 1N4148 D3012 1N4148 D3013 1N4148 D3014 1N4148 D3015 1N4148 D3016 1N4148 D3017 1N4148 TAPE_O_L TAPE_O_R CL3 PVRM CL2 DA5 -12V Z_R Z_L Z_L Z_R 84 U3005C NE5532 84 U3010C NE5532 VCR_R VCR_L PVR_R AV_R C3052 104 C3051 104 C3054 104 C3053 104 VA301A DVD_L

42、 VA301B DVD_R VA301C SAT_L VA301D SAT_R VA301E AV_L VA301F AV_R VA302A PVR_L VA302B PVR_R VA302C PVR_OL VA302D PVR_OR VA302E VCR_L VA302F VCR_R VA303A VCR_OL VA303B VCR_OR VA303C ZONE2_OL VA303D ZONE2_OR TUN_R TUN_L CD_L CD_R TAPE_I_R TAPE_I_L 3 2 1 U3009A NE5532 5 6 7 U3009B NE5532 R3188 0 ohm R318

43、9 0 ohm R3190 0 ohm R3191 0 ohm VSS 1 S1 2 S2 3 S3 4 S4 5 S5 6 S6 7 S7 8 S8 9 S9 10 S10 11 S11 12 GND 13 CK 14 DATA 15 STB 16 S11 17 S10 18 S9 19 S8 20 S7 21 S6 22 S5 23 S4 24 S3 25 S2 26 S1 27 VDD 28 U3006 TC9273-010 R3119 100K R3120 100K C3110 221 C3109 221 R3117 220 R3118 220 R3115 100k R3116 100

44、K C3108 221 C3107 221 R3113 220 R3114 220 R3111 100K R3112 100K C3106 221 C3105 221 R3109 220 R3110 220 R3107 100K R3108 100K C3104 221 C3103 221 R3105 220 R3106 220 R3103 100K R3104 100K C3102 221 C3101 221 R3101 220 R3102 220 TC9273-010 DA5CL3 +12V -12V CD_R TUN_R CD_L TUN_L TAPE_I_RTAPE_I_L 1 2 3

45、 4 5 6 7 8 9 10 11 12 P404B TO MUTI BOARD P404A 3 2 1 U3005A NE5532 C3039 10u/16V 5 6 7 U3005B NE5532 C3040 10u/16V R3096 20K R3097 10K R3098 20K R3099 10K 1 2 3 4 5 6 7 8 9 10 11 12 P301A TO MAIN BOARD P301A TC9273-010 Analog_L Analog_R TAPE_O_R TAPE_O_L 3 2 1 U3010A NE5532 5 6 7 U3010B NE5532 R308

46、0 100R R3079 100R 3 2 1 U3007A NE5532 5 6 7 U3007B NE5532 TAPE_I_RTAPE_I_L -12V +12V 84 U3007C NE5532 84 U3009C NF C3042 104 C3043 104 C3045 NF C3044 NF R3183 1M0 MFR3184 1M0 MF R3082 1M0 MF R3081 1M0 MF C3050 NF C3049 NF 3 2 1 U3008A NE5532 5 6 7 U3008B NE5532 R3095 24KR3094 47K R3092 47K R3093 24K

47、 R3185 0R0 0805 R3186 0R0 0805 Not Fitted Not Fitted 84 U3008C NE5532 C3047 104 C3046 104 C3135 10u/16V C3136 10u/16V TAPE_O_R TAPE_O_L 123456789101112 A B C D 121110987654321 D C B A SV804A VCR1IN SV805A VCR2 IN SV806A VCR1 OUT SV807A VCR2 OUT MONITOR SV808A A & R cambridge ltd DWN.BY: BQ yang APP.

48、BY: MODEL: AVR300 DATE:06/APR/2004 DATE: ISSUE: M1 OSD SCH SHEET 4 OF 13 C876 10u/16V C874 470u/10V C873 10u/16V C872 470u/10V C871 10u/16V C870 470u/10V C869 2.2u/50V C868 2.2u/50V C867 2.2u/50V C866 2.2u/50V R870 82 R871 82 R872 82 R873 82 GND SV801A DVD IN SV802A SAT IN SV803A AV IN C865 2.2u/50V

49、 C864 2.2u/50V C863 2.2u/50V C862 2.2u/50V C861 2.2u/50V C860 2.2u/50V R864 82 R865 82 R866 82 R867 82 R868 82 R869 82 GND G 1 2 3 4 VCC 5 6 7 8 U807 BA7623F G 1 2 3 4 VCC 5 6 7 8 U811 BA7623F G 1 2 3 4 VCC 5 6 7 8 U806 BA7623F Mout 1 GND 2 IN5 3 GND 4 IN4 5 CTLE 6 IN3 7 CTLD 8 CTLC 9 Vout2 10 CTLB 11 IN2 12 Vcc 13 Vout1 14 CTLA 15 IN1 16 U809 BA7625 Mout 1 GND 2 IN5 3 GND 4 IN4 5 CTLE 6 IN3 7 CTLD 8 CTLC 9 Vout2 10 CTLB 11 IN2 12 Vcc 13 Vout1 14 CTLA 15 IN1 16 U818 BA7625 Mout 1 GND 2 IN5 3 GND 4 IN4 5 CTLE 6 IN3 7 CTLD 8 CTLC 9 Vout2 10 CTLB 11 IN2 12 Vcc 13 Vout1 14 CTLA 15 IN1 16 U808