Jamo-AVR690-avr-sch 电路图 维修手册.pdf

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1、12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:14-Jan-2004Sheet of File:E:WORKAVR790AVR790.ddbDrawn By: SBL SBR 1 2 3 5 4 CN604 TO AMP5CH CN120 1 2 CN605 OPT Q617 2SA970 R607 2K2 + C619 4.7U50V NP C621 150P R644 56K BRG Q619 2SA970 C623 560P R650 470 R646 3K3 R647 3K3 R601 33K Q6

2、01 2SC1815 12 ZD602 Z22V BRG + C601 220U25V +C604 220U25V R605 5K6 R606 2K2 R660 56K C627 15P R652 2K C605 220U25V NP Q623 2SC2229 Q625 2SC2229 C629 1P R618 22K R614 75 C630 1P R662 1K Q604 2SC945 2 3 1 VR601 1K R624 3K9 Q606 2SA949D601 1N4148 R610 150R611 150 Q608 2SC2073 C607 68P 250V C613 104 250

3、V Q629 2SA940 R626 330 1/4W(F) C608 68P 250V R630 10 1/2W (F) R631 10 1/2W (F) Q612 2SC5200 Q631 2SA1943 R634 0.22 5W R635 0.22 5W R640 4K7 Q614 2SC1815 C615 4.7U50V NP BRG R619 22K D603 1N4148 D602 1N4148 OVERLOAD +VCC-SBL -VCC-SBL Q618 OPT R609 OPT + C620 OPT C622 OPT R645 OPT BLG Q622 OPT C626 OP

4、T R651 OPT R648 OPT R649 OPT R602 OPT R661 OPT C628 OPT R659 OPT C606 OPT Q624 OPT Q626 OPT C633 OPT R620 R617 OPT C634 OPT R663 OPT Q605 2SC945 2 3 1 VR604 OPT R625 OPT Q607 OPTD604 OPT R612 OPTR615 OPT Q611 OPT C609 OPT C614 OPT Q630 OPT R627 OPT C612 OPT R632 OPT R633 OPT Q613 OPT Q632 OPT R639 O

5、PT R636 OPT R641 OPT Q616 OPT C616 OPT BLG R623 OPT D605 OPT D608 OPT OVERLOAD +VCC-SBR -VCC-SBR 1 2 CN602 TO POWER 1 2 CN603 OPT +VCC-SBL -VCC-SBL +VCC-SBR -VCC-SBR 1 2 CN601 TO RELAY SBL CH 1 2 CN606 OPT BLG 12 JP601 OPT AGND OVERLOAD BLG BRG Frank AVR AMP 2CH BOARD MP 2003/12/17 1 2 CN609 2PIN 1

6、2 CN610 OPT P1 HOLE-4.05X6.05MM P2 HOLE-4.05MM LVR301410-0401 BRG RadioFans.CN 收音机爱 好者资料库 12345678910111213141516 A B C D 16151413121110987654321 D C B A Title NumberRevisionSize A0 Date:14-Jan-2004Sheet of File:E:WORKAVR790AVR790.ddbDrawn By: Q502 2SA970 R508 2K2 + C506 4.7U50V NP C511 150P R514 56

7、K AGND Q508 2SA970 C516 560P R534 470 R524 3K3 R529 3K3 R519 33K Q507 2SC1815 12 ZD502 Z22V AGND + C521 220U25V +C522 220U25V R539 5K6 R513 2K2 R545 56K C528 15P R540 2K C523 220U25V NP Q513 2SC2229 Q518 2SC2229 C533 1P R565 22K R551 75 C538 1P R580 1K Q528 2SC945 2 3 1 VR501 1K R575 3K9 Q523 2SA949

8、D504 1N4148 R550 150R560 150 Q533 2SC2073 C543 68P 250V C553 104 250V Q538 2SA940 R595 330 1/4W(F) C544 68P 250V R585 10 1/2W (F) R586 10 1/2W (F) Q543 2SC5200 Q548 2SA1943 R633 0.22 5W R634 0.22 5W R600 4K7 Q553 2SC1815 C558 4.7U50V NP AGND R570 22K D509 1N4148 D514 1N4148 OVERLOAD1 +VCC-L -VCC-L Q

9、503 2SA970 R509 2K2 + C507 4.7U50V NP C512 150P R515 56K AGND Q509 2SA970 C517 560P R535 470 R525 3K3 R530 3K3 R520 33K R546 56K C529 15P R541 2K C524 220U25V NP Q514 2SC2229 Q519 2SC2229 C534 1P R566 22K R553 75 C539 1P R581 1K Q529 2SC945 2 3 1 VR502 1K R576 3K9 Q524 2SA949D505 1N4148 R552 150R561

10、 150 Q534 2SC2073 C545 68P 250V C554 104 250V Q539 2SA940 R596 330 1/4W(F) C546 68P 250V R587 10 1/2W (F) R588 10 1/2W (F) Q544 2SC5200 Q549 2SA1943 R635 0.22 5W R636 0.22 5W R619 4K7 Q554 2SC1815 C559 4.7U50V NP AGND R571 22K D510 1N4148 D515 1N4148 OVERLOAD1 +VCC-R -VCC-R Q504 2SA970 R510 2K2 + C5

11、08 4.7U50V NP C513 150P R516 56K Q510 2SA970 C518 560P R536 470 R526 3K3 R531 3K3 R521 33K R547 56K C530 15P R542 2K C525 220U25V NP Q515 2SC2229 Q520 2SC2229 C535 1P R567 22K R555 75 C540 1P R582 1K Q530 2SC945 2 3 1 VR503 1K R577 3K9 Q525 2SA949D506 1N4148 R554 150R562 150 Q535 2SC2073 C549 68P 25

12、0V C556 104 250V Q540 2SA940 R597 330 1/4W(F) C550 68P 250V R589 10 1/2W (F) R590 10 1/2W (F) Q545 2SC5200 Q550 2SA1943 R647 0.22 5W R648 0.22 5W R620 4K7 Q555 2SC1815 C560 4.7U50V NP AGND R572 22K D511 1N4148 D5161N4148 +VCC-SL -VCC-SL Q505 2SA970 R511 2K2 + C509 4.7U50V NP C514 150P R517 56K AGND

13、Q511 2SA970 C519 560P R537 470 R527 3K3 R532 3K3 R522 33K R548 56K C531 15P R543 2K C526 220U25V NP Q516 2SC2229 Q521 2SC2229 C536 1P R568 22K R557 75 C541 1P R583 1K Q531 2SC945 2 3 1 VR504 1K R578 3K9 Q526 2SA949D507 1N4148 R556 150R563 150 Q536 2SC2073 C551 68P 250V C557 104 250V Q541 2SA940 R598

14、 330 1/4W(F) C552 68P 250V R591 10 1/2W (F) R592 10 1/2W (F) Q546 2SC5200 Q551 2SA1943 R649 0.22 5W R650 0.22 5W R626 4K7 Q556 2SC1815 C561 4.7U50V NP AGND R573 22K D512 1N4148 D517 1N4148 +VCC-SR -VCC-SR L R Q506 2SA970 R512 2K2 + C510 4.7U50V NP C515 150P R518 56K AGND Q512 2SA970 C520 560P R538 4

15、70 R528 3K3 R533 3K3 R523 33K R549 56K C532 15P R544 2K C527 220U25V NP Q517 2SC2229 Q522 2SC2229 C537 1P R569 22K R559 75 C542 1P R584 1K Q532 2SC945 2 3 1 VR505 1K R579 3K9 Q527 2SA949D508 1N4148 R558 150R564 150 Q537 2SC2073 C547 68P 250V C555 104 250V Q542 2SA940 R599 330 1/4W(F) C548 68P 250V R

16、593 10 1/2W (F) R594 10 1/2W (F) Q547 2SC5200 Q552 2SA1943 R651 0.22 5W R652 0.22 5W R627 4K7 Q557 2SC1815 C562 4.7U50V NP AGND R574 22K D513 1N4148 D518 1N4148 -VCC-C C +VCC-C AGND AGND 1 2 CN512 TO POWER CN911 1 2 CN513 TO POWER CN917 1 2 CN514 TO POWER CN914 1 2 CN515 TO POWER CN916 1 2 CN516 TO

17、POWER CN913 1 2 3 15 13 11 9 7 5 4 6 8 10 12 14 CN502 CON-D15 +VCC-L -VCC-L +VCC-R -VCC-R +VCC-SL -VCC-SL +VCC-SR -VCC-SR +VCC-C -VCC-C OVERLOAD2 OVERLOAD2 OVERLOAD2 OVERLOAD2 L R SL SR C SL SR 1 2 3 5 4 CN503 TO AMP2CH CN1 SBL SBR SBR SBL 1 2 CN507 TO RELAY LCH 1 2 CN508 TO RELAY RCH 1 2 CN509 TO R

18、ELAY SLCH 1 2 CN510 TO RELAY SRCH 1 2 CN511 TO RELAY CCH 12 JP514 OPT A_GND 1 2 3 4 CN504 TO POWER GND R506 33K R504 56K + 5 - 6 O 7 U501B 4558 + 3 - 2 O 1 V+ 8 V- 4 U501A 4558 GND + C503 10U50V GND +C502 10U50V GND R505 8K2 R503 39K 3 21 Q501 2SC3421 D502 OPT R507 330 12 ZD501 2.7V D503 1N4148 +C50

19、4 10U50V GND 1 2 CN501 TO TEMP SW R502 56K D501 1N4148 + C505 100U25V GND 1 2 CN505 TO FAN 1 2 CN506 OPT GNDR501 56K + C501 10U50V GND 25=150K50=47K 80=9K 25=150K50=47K 80=9K RL+12V GND RL+12V BLG BLG A_GND Frank AVR AMP 5CH BOARD MP 2003/12/19 1 2 CN517 WIRE 1 2 CN518 BIAS 1 2 CN519 WIRE 1 2 CN520

20、WIRE 1 2 CN521 BIAS R601 10K GND R500 150K熱敏電阻 D519 1N4007 P1 HOLE-4.05MM P2 HOLE-4.05X6.05MM OVERLOAD1 LVR301420-0001 AGND AGND AGND AGND AGND RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:14-Jan-2004Sheet of File:E:WORKAVR790AVR790.ddbDrawn By: 5 6 3 4

21、1 2 RL701 RELAY_6 D706 1N4007 Q701 2SC945 Q710 2SC2001 + C712 47uF25V Q703 2SC945 Q704 2SC945 AGNDL AGNDL AGNDL AGNDL 12 ZD701 4.7V/0.5W R715 22K R719 22K R727 220K R722 47K OVER_A R726 220K Q702 2SC945 R725 10K P_MUTE + + C709 470U25V(NP) RL+12V C706 473 SPK-L SPK-R D702 1N4148 D701 OPT PHONES 5 6

22、3 4 1 2 RL702 RELAY_6 R716 22K R717 22K 5 6 3 4 1 2 RL703 RELAY_6 D707 1N4007 Q705 2SC945 Q709 2SC2001 AGNDL 12 ZD702 4.7V/0.5W R718 22K R729 220K OVER_B R728 220K Q706 2SC945 R724 10K P_MUTE RL+12V D704 1N4148 D703 OPT ST_MUTE SPK-C SPK-SL SPK-SR D705 1N4148 PHONES AGNDL R721 220 R720 220 + C711 33

23、uF25V Q707 2SC945 Q708 2SC945 AGNDL AGNDL AGNDL R723 47K + + C710 470U25V(NP) R704 4.7 1/2W (M) L701 3UH R708 10 2W(M) C701 473 AGND5 R701 4.7 1/2W (M) L702 3UH R709 10 2W(M) C702 473 AGND3 R702 4.7 1/2W (M) L703 3UH R710 10 2W(M) C703 473 AGND2 R703 4.7 1/2W (M) L704 3UH R711 10 2W(M) C704 473 AGND

24、4 R705 4.7 1/2W (M) L705 3UH R712 10 2W(M) C705 473 AGND1 1 2 3 4 5 6 7 8 9 CN708 CON-9 ST_MUTE SPK-B OVER_A P_MUTE PHONES RL+12V AGNDL 1 2 CN703 CON-2 90 1 2 CN701 CON-2 90 1 2 CN705 CON-2 90 1 2 CN704 CON-2 90 1 2 CN702 CON-2 90 AGND3 AGND1 L CH C CH R CH 5 6 3 4 1 2 RL704 RELAY_6 R706 4.7 1/2W (M

25、) L706 3UH R713 10 2W(M) C707 473 AGND7 R707 OPT L707 OPT R714 OPT C708 OPT AGND6 1 2 CN706 CON-2 90 1 2 CN707 OPT AGND6 R732 22K R733 OPT 1 2 CN712 SPK OUT 1 2 CN710 SPK OUT 1 2 CN711 SPK OUT 1 2 CN713 SPK OUT 1 2 CN714 OPT D708 1N4007 D709 1N4007 AGND1AGND2 AGND4 AGND3 D710 1N4007 Q711 2SC945 Q712

26、 2SC2001 AGNDL AGND2 AGND2 RL+12V SPK-B SR CH SL CH LB CH 5 6 3 4 1 2 RL705 RELAY_6 1 2 CN715 SPK OUT 1 2 CN716 SPK OUT AGND4 RB CH 1 2 CN717 SPK OUT 1 2 CN718 SPK OUT 2003/10/07 PR 790 RELAY BOARD Alvin OVER_B SBL CH SBR CH R L SR SL C SBR SBL SPK-SBR SPK-SBL R730 10 1/2W R731 4.7 2W(M) R734 10 1/2

27、W D712 1N4148 D711 1N4148 P2 HOLE-4.05X6.05MM P1 HOLE-4.05MM SBL CH 1 2 3 4 5 CN709 WIRE AGND5 1 2 CN700 WIRE AGND7AGND6 AGND5 AGND7 AGND4 R735 33K D713 1N4007 12 JUMP 12 JUMP RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:14-Jan-2004Sheet of File:E:WORKAV

28、R790AVR790.ddbDrawn By: L900 10UH DGNDDGND 5 6 3 4 1 2 RL900 RELAY_6 Q900 2SC2001 D908 1N4007 R90410K R902 22 R905 10K + C963 4.7U50V + C959 220U25V C960 104 100V DGND 1 2 3 4 CN907 TO TRANS 1 4 2 3 5 8 6 7 Pri T900 JPTS911206 Vin 1 GND 2 Out 3 IC906 MC7806 C962 470U16V C928 104 100V D905 1N4007 D90

29、6 1N4007 FR901 JUMP DGND D919 1N4007 D920 1N4007 +VCC -VCC V+ ACAC V- D903 RS202 C919 103 500V C920 103 500V C925 103 500V C926 103 500V 12 34 F903 T2A250V 12 34 F904 T2A250V V+ ACAC V- D902 RS202 C917 103 500V C918 103 500V C923 103 500V C924 103 500V 12 34 F901 T2A250V 12 34 F902 T2A250V C952 3300

30、U35V C953 3300U35V C954 3300U35V C955 3300U35V 1 2 3 4 5 6 CN902 FROM TRANS AGND DGND DGND AGND C931 104 250V C932 104 250V C933 104 100V C934 104 100V C935 104 100V C936 104 100V R908 470K DGND +20V AGND -20V +10V DGND -10V PWR_DEC PWR_SYS 1 2 3 4 5 6 CN906 TO MAIN R909 OTP 12 34 T901 JUMP X 2PCS 1

31、 2 3 J900 3 PIN AC SOCKET 1 2 3 4 CN904 TO FUSE HOLDER BK+6V 1 2 3 4 5 6 CN909 FROM MAIN DGND RL+12V C902 104 250V X2 R910 10 JP901 JUMP JP902 0 DGNDDGND 1 2 CN911 TO AMP 1 2 CN912 TO AMP 1 2 CN913 TO AMP 1 2 CN914 TO AMP 1 2 CN915 OPT B+ PIN TO RECTIFIER B+ B- PIN TO RECTIFIER B- 1 2 CN901 TO TRANS

32、FORMOR GND 1 2 CN916 TO AMP 1 2 CN917 TO AMP 1 2 CN903 TO AMP2CH GND +C901 10000u/63 + C903 10000u/63 +C938 10000u/63 +C939 10000u/63 1 2 3 4 CN910 TO AMP5CH GND VINBK6V AVR POWER BOARD PR 2003/11/06 1 2 CN918 TO TEMP SW RL+12V RL+12 DGND R911 OPTDGND 3 21 Q903 2SC2001 DGND R912 10K R913 OPT DGND DI

33、SCH 3 21 Q901 2SC2001 DGND R914 10K R915 5 OHM 10A LVP301400-0001 APE301400-0003 FRANK 12 JP912 OPT P1 HOLE-4.05MM P2 HOLE-4.05X6.05MM 1 2 3 4 5 CN908 TO RELAY 1 2 CN900 TO RELAY 12 JP911 690,790 ONLY 12 JP912 590 ONLY RL+12 12345678910111213141516 A B C D 16151413121110987654321 D C B A Title Numbe

34、rRevisionSize A0 Date:14-Jan-2004Sheet of File:E:WORKAVR790AVR790.ddbDrawn By: XL1 4.19MHz C32 20P C33 20P GND-D C8 104 Q4 2SC1623 C7 104 R44 4K7 C5 104 C31 4.7U50V C6 104 R42 4K7 C2 104 C1 104 R43 4K7 C22 220U25V C20 220U25V GND-D C17 220U25V D3 1N4148 Q3 2SC1623 R34 47K R37 10K R36 4K7 C23 220U25V

35、 C21 220U25V C16 220U25V +12V -12V +5V AGND AGND C10 104 C9 104 C24 220U25V C25 220U25V +VDSP C4 104 C3 104 GND-D C18 220U25V C19 220U25V D5 1N4007 AGND BK6V2 TU+12V TGND VSS 1 Xout 2 Xin 3 Reset 4 Buleback 5 OSD CE 6 TEST 7 Powerdown 8 REMOTE 9 Display CE 10 Display / OSD CK 11 Display DI 12 Displa

36、y / OSD DO 13 Tuner CK 14 Tuner DI 15 Tuner DO 16 Tuner CE 17 RDS data in 18 Tuner SD in 19 RDS on/SYR 20 P_mute 21 D_mute 22 SYSpower 23 SYSover 24 Encode-r 25 Encode-r 26 Z_REMOTE 27 Encode-f 28 TC9273 DA 29 TC9273 CK 30 TC9273 CE (STB1) 31 TC9273 CE (STB2) 32 TC9482DA 33 TC9482CK 34 TC9482 CE 35

37、ROOM POWER 36 ROOM MUTE 37 MODE_REQ 38 39 40 OPTION1 41 OPTION2 42 OPTION3 43 OPTION4 44 OPTION5 45 EARPHONE 46 MICPHONE 47 VAREF 48 VASS 49 VSS 50 VDD 51 93C46_DO 52 93C46_CE 53 SPDIF/AD 54 DAC_CE 55 AC3_DI 56 AC3_SCK 57 AC3_DO 58 AC3_CE 59 CS:A15 60 CS:A16 61 CS:A17 62 CS:A18 63 STANDBY-MUTE 64 DS

38、P RESET 65 CS:SUB 12dB 66 CS:BASS 3A 67 VF1 68 VF2 69 VF3 70 TV/VCR 71 6CH DIR 72 2CH DIR 73 TAPE 74 VEDIO 1 75 76 TIME START 77 TIME STOP 78 OSD N/P 79 NO USE 80 NO USE 81 NO USE 82 NO USE 83 NO USE 84 NO USE 85 NO USE 86 NO USE 87 NO USE 88 NO USE 89 NO USE 90 NO USE 91 VLC(+5V) 92 NO USE 93 NO US

39、E 94 NO USE 95 NO USE 96 NO USE 97 NO USE 98 NO USE 99 VDD 100 IC8 TMP8726 R24 6.8 5W R23 JUMP R22 JUMP R27 JUMP R26 JUMP Vin 1 GND 2 Out 3 IC6 BA05T Vin 1 GND 2 Out 3 IC47812 Vin 1 GND 2 Out 3 IC27805 R45 4K7 R5 0 +C34 2200U6.3V Vin 1 GND 2 Out 3 IC57812 BK6V1 R6 0 Vin 2 Out 3 GND 1 IC37912 BK6V2 P

40、HONES R56150 R52470 R553K3 R54470 R5347K 1 2 3 4 5 6 7 8 9 10 11 RA3 4K7 X 11P 1 2 3 4 5 6 7 8 9 10 11 RA2 4K7 X 11P 1 2 3 4 5 6 7 8 9 10 11 RA1 4K7 X 11P 1 2 3 4 5 6 7 8 9 10 11 RA6 4K7 X 11P 1 2 3 4 5 6 7 8 9 10 11 RA5 4K7 X 11P C15 104 C14 104 GND-D 1 2 3 15 13 11 9 7 5 4 6 8 10 12 14 CN107 CON-D

41、15 TO DISPLAY MUTE TC9273CK TC9273DA ENC_F S_INH ENC_R D_MUTE P_MUTE RDS_RST TU_SD RDS_DI TU_CE TU_DO TU_DI TU_CK VFD_OSD_DO VFD_OSD_DI VFD_OSD_CK VFD_CE OSD_CE BLUE STB1 STB3 TC9482DA TC9482CK TC9482CE SUB10 DOUT_SEL 425_CE DSP_DI DSP_CK 49_DO 49_CE CS:A15 CS:A16 CS:A17 CS:A18 STY/MUTE DSP RESET CS

42、:SUB12dB CS:BASS3A 6CH DIR 2CH DIR OSD N/P SYS_PWR PWR_DEC REMOTE SYS_OVER R1 0 R20 R30 R40 VFD_OSD_CK VFD_OSD_DI VFD_OSD_DO VFD_CE GND-D STY/MUTE RESET ENC_R ENC_F 425_CE 49_CE DSP_DI DSP_CK CS:A15 CS:A16 CS:A17 CS:A18 DSP RESET TC9273CK TC9273DA ENC_F ENC_R SYS_PWR D_MUTE P_MUTE RDS_RST TU_SD RDS_

43、DI TU_CE VFD_OSD_DO VFD_OSD_DI VFD_OSD_CK VFD_CE OSD_CE TU_DI TC9482CE TC9482CK TC9482DA SUB10 425_CE DSP_DI DSP_CK 49_DO 49_CE CS:A15 CS:A16 CS:A17 CS:A18 DSP RESET CS:SUB12dB CS:BASS3A S_INH BK6V2 R47 22K GND-D C30 223 AGND Q1 2SA812 TC9482CE2 REMOTE_IR 6CH DIR 2CH DIR STB1 STB3 STY/MUTE 1 2 3 4 5

44、 6 7 8 9 10 11 RA4 4K7 X 11P THEATER COMP SPK-B DOUT_SEL OSD N/P 1 2 3 4 5 6 7 RA7 4K7 X 7P MODE_REQ 425_INT MODE_REQ 425_INT AGND GND-D THEATER COMP THEATER COMP R46 4K7 R35 47K Q2 2SA812 GND-D THEATER COMP-ON R8 0 +9V GND-D BK6V2 R3810K R572K2 R3910K R50 10K GND-D R40 10K 12 ZD1 8.9V 2001.11.22 1.

45、D7,R109,R110 DEL 2.D3,D4 CHANGE TO 0 OHM 2001.12.13 1.OPT1-OPT2 0 OHM CHANGE TO C/C104P 2.R144,R145,R259,R260,R261,R262,R263 6K8 CHANGE TO 4K3 3.C176,C177,C178,C256,C260,C261,C262 122J CHANGE TO 470P 4.R278,R279,R280,R281,R282,R283,R284 18K CHANGE TO 91K R41 1M2 5.ADD R329 15K FROM Q17_C TO -VCC4 -V

46、CC3 2001.12.17 1.R126,R127 100K CHANGE TO 22K 2.IC19 PIN1,PIN13 NC CHANGE TO AGND +C29 OPT 2002.03.08 MUTE CHANGE TO DMUTE ROM FLASH 12 D81N4148 D_MUTE D2 1N4148 P_MUTE VDD RESET D10 1N4148 R51470 D7 1N4007 R33 0 + C28 10U50V GND-D D6 1N4007 BK6V1 BK6V2 +16V GND-A -16V +10V GND-D -10V 1 2 3 4 5 6 CN

47、100 CON-6 BK+6V PWR_DEC SYS_PWR 1 2 3 4 5 6 CN106 CON-6 R22133 R22233 R22333 C260 22P C25922P C25822P GND-D C969 104 C968 104 C982 103 C983 103 R900 75 R901 75 GND-D C976 103 C977 103 C901 220P GND-D C902 220P GND-D 3 4 1 2 T901 COIL 3 4 1 2 T902 COIL DIN_1 DIN_2 DIN_3 DIN_4 DIN_1 DIN_2 DIN_3 DIN_4

48、+ C984 100U16V GND-D R946 100 C937 104 + C981 47U16V GND-D C985 104 C980 104 D_OUT1 D_OUT1 D+5V GND-D 1 2 3 J900A OPTICAL 1 5 4 J901B COAX2 5 4 J900B COAX1 1 2 3 J901A OPTICAL2 1 2 3 J902A OPTICAL OUT 5 4 J902B COAX OUT 12 34 56 78 910 1112 1314 1516 1718 1920 CN909 TO DSP GND-D D+5V GND-D D_OUT2 D_

49、OUT2 +VDSP GND-D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CN109HEADER 2.54-2X10 3 4 1 2 T903 COIL GND-D TC9482CE TC9482DA TC9482CK9482CK 9482CE 9482DA GND-D DOUT_SEL 425_INT 1 2 3 4 5 6 7 8 9 CN110 TO RELAY SPK-B ST-MUTE ST-MUTE SPK P_MUTE PHONES RL+12V GND-D RL+12V 12 JP2 JUMP CG7 104 CG8 104 CG9 104 AGND DG ST-MUTE 90-DA 90-CK Q6 2SC1623 R10 47K R9 10K R11 1K AGND C12223 AGND Q5 2SA812 R12 1M2 -VCC3 + C11 47U16V MUTE ST 90-DA 90-CK TC9482CE2 TAPE TAPE VCR VCR 49_DO BK+6V DIN R14 OPT REMOTE REMOTE_IR C36 104 C37 104 C38 220U25V C35 220U25V DGND1 Vin 2 Out 3 GND 1 IC17905