NAD-C720BEE-rec-sm2 维修电路原理图.pdf
《NAD-C720BEE-rec-sm2 维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《NAD-C720BEE-rec-sm2 维修电路原理图.pdf(6页珍藏版)》请在收音机爱好者资料库上搜索。
1、PRELIMINARYNADSERVICE MANUAL C720BEESTEREORECEIVER STEREORECEIVERRadioFans.CN 收音机爱 好者资料库FACTORY DEFAULTS AND REGION SETTING PROCEDURES RESET FOR AH VERSION FM + DISC RESET FOR C VERSION FM + CD TEST PRESETS 3FM & 3AM AM + MEMORY VFD ALL DISPLAY AM + TAPE AM FREQ. STEP AM and then AM + FM MUTE VERSIO
2、N CHECK FM + AM RadioFans.CN 收音机爱 好者资料库C61220pR61220R631M Q612SK369R671KR69430 2%Q63A970Q67D667C6322pR6111KQ64B647R61310KD61D62R61533C650.1u 20%C660.1u 20%C69100pR61710R61910C62220pR62220R641M Q622SK369R681KR610430 Q65A970Q68D667C6422pR6121KQ66B647R61410KD63D64R61633C670.1u 20%C680.1u 20%C610100pR61
3、810R62010123456789CB61R621120C61115pFGND+18V-18VLOUTROUTRIN-RIN+LIN+LIN-C720BEE PREAMP OUT MODULE BOARD123456789CB31Moto Pots Borad3728RT33APOTALPS3645RT33BPOTALPS910RT33CPOTALPSRCA31ADISCRCA31CCDRCA32AAUXRCA32CVIDEOR31470R33470R35470C31100p,50V,20%C33100p,50V,20%C35100p,50V,20%R37470C37100p,50V,20%
4、465RL31B465RL32B465RL33B465RL34BR3491MR3511MR3531MR3551ML-CH INPUTSC720BEE INPUT SELECT CIRCUIT R39470C39100p,50V,20%465RL35BR3571MRCA31BDISCRCA31DCDRCA32BAUXRCA32DVIDEOR32470R34470R36470C32100p,50V,20%C34100p,50V,20%C36100p,50V,20%R38470C38100p,50V,20%132RL31A132RL32A132RL33A132RL34AR3501MR3521MR35
5、41MR3561MR-CH INPUTSR310470C310100p,50V,20%132RL35AR3581MRCA33DRECORD RRCA33CRECORD LC32547u/25R3213K3 MFR323750 MFR319N.I.R325390 MFR327180 MFC32722n 5%C3290.1u 5% 63VR3291K5 MFR331390 MFC3310.22u 5%C3330.97u 5%C335470p,50V,20%123SW31AC3391u/50TONE DEFEAT SWR3595K1 MFONOFFTO VOLUME POTBALANCE POTBA
6、SS POTTREBLE POT63V63V63VC3370.1UC3210.1UC720BEE TONE CONTROL CIRCUITRT31ART32A10KART34A456SW31BC32647u/25R3223K3 MFR324750 MFR320N.I.R326390 MFR328180 MFC32822n 5%C3300.1u 5% 63VR3301K5 MFR332390 MFC3320.22u 5%C3340.97u 5%C336470p,50V,20%C3401u/50TONE DEFEAT SWR3605K1 MFOFFONBALANCE POTBASS POTTREB
7、LE POT63V63V63VC3380.1UC3220.1URT31B10KART32B10KART34B20K MNR4071KR40210KR40410KR4031KR4051KR4061KC4174u7/50VC4184u7/50VQ402C1815Q401A1015Q404C1815Q403A1015VOLUME CONTROLMOTOR+5VC303220pC302220pC30110uF/50V78RL31C78RL32C78RL33C78RL34C78RL35CCD+12VRCA34AL PRE-OUTQ31MMBJ108C343220pR33810MR3334.7KR3356
8、8C34147u/25R347100KC3450.1URCA34BR PRE-OUTQ32MMBJ108C344220pR33910MR3344.7KR33668C34247u/25R348100KC3460.1UPHONE1AIR OUTPHONE1BIR INPHONE2+12V TriggerR210C30.1uF,63v,20%+12VRI11KQI12SC1815RI21KQI22SA1015RI333+5V+5VC3190.1u 10%C32447u/25C32347u/25C3200.1u 10%123456789CB32LOW NOISE AMP MODULE-18V+18V1
9、23456789CB33LOW NOISE AMP MODULE+18V-18VR345220K1716151413121110987654321CZ36CON17GNDSTEREOTUNERPLL CLK1PLL D1PLL D0PLL CERDS CLKRDS DATA+12VL-OUTR-OUT12345678CZ37CON8STEREOTUNERPLL CLK1PLL D1PLL D0PLL CERDS CLKRDS DATAR311470C3111n2,50V,10%465RL36BR3371MTUNER LR346220KR312470C3121n2,50V,10%132RL36A
10、R3411MTUNER RRCA33BTAPERCA33ATAPE78RL36CQ33C1815Q34C1815Q35C1815Q36C1815Q37C1815R3694K7R3714K7R3734K7R3754K7R3774K7C35110n,63V,10%C352C353C354CD SELDISC SELTAPE SELAUX SELTURNER SELDISCTAPEAUXFM/AMR3784K7R3764K7R3744K7R3724K7R3704K7Q38C1815R3794K7R3804K7VIDEOSTR1D2CLK3Q14Q25Q36Q47VSS8QS9QS10Q811Q712
11、Q613Q514OE15VCC16IC334094STR1D2CLK3Q14Q25Q36Q47VSS8QS9QS10Q811Q712Q613Q514OE15VCC16IC324094C357C358+5VQ39C1815R3815K1VOL-VOL+IR OUTIR IN11111111111098765432987654321CZ35CON19IP SEL DATAIP SEL CLKIP SEL STStandby+5V12VVIDIO SELC355C356123456789CZ34-+Vee1L12L23L34L45L-COM16L57L68L-COM29L710L811L-COM31
12、2ST13Vss14CL15DATA16R-COM317R818R719R-COM220R621R522R-COM123R424R325R226R127Vdd28IC31NJU7313OP SEL CLKOP SEL DATAL1L2L3L4L5L6L1L2L3L4L5L6R1R2R3R4R5R6R1R2R3R4R5R6D31316VD31416VR3672KR3682K+18V-18VSPK ASPK BSPK ASPK BVOL-VOL+R38222KCD SELDISC SELTAPE SELAUX SELTURNER SELVIDIO SELOP SEL STOP SEL CLKOP
13、SEL DATAOP SEL STIP SEL DATAIP SEL CLKIP SEL STIP SEL CLKIP SEL STRI6100RI44.7KVFD AC1VFD AC2+-R317470C317100pC318100pR318470IC34ARC4580IPIC34BRC4580IPR36211K,MF,1%C347 1uF.63V,5%R36510kRCA35PRE-OUTR363100C360100p-18V+18VR36111K,MF,1%C3482.2uF,50V,5%R36410kR36610K+5VR492C441C438C442C440C439-30VC4440
14、.1uFC350820pR38820kVR302100R3861.8R384560 1%C3491nFVR301100R38720KR3851.8R383560 1%C61220pR61220R631M Q612SK369R65560 2%R671KR69430 2%Q63A970Q67D667C6322pR6111KQ64B647R61310KD61D62R61533C650.1u 20%C660.1u 20%C69100pR61710R61910C62220pR62220R641M Q622SK369R66560 2%R681KR610430 Q65A970Q68D667C6422pR61
15、21KQ66B647R61410KD63D64R61633C670.1u 20%C680.1u 20%C610100pR61810R62010123456789CB61R621120C61140pFGND+18V-18VLOUTROUTRIN-RIN+LIN+LIN-C720BEE PREAMP IN MODULE BOARDQ3102SK363R34010MD315C361N.I.D37D38D39D310D311D312REMOTE MUTE CONTROL MUTEQ311MMBJ108Q312MMBJ108R38910MR39010MR392100KR391100KPRE MUTEC3
16、620.1uFR39310K12345678910CB3412345678910CB34MUTE BOARDSPK ASPK BPROTECTIONC720BEE INPUT & PREAMPLIFIERIR OUTIR INPROTECTIONC71210nC717100u/16V231IC702IS1U60LREDR73915KGREENQ702C1815R718470IR RECEIVERR717330VSA1K2A3DOUBLE LEDG+5VPROTECTIONPOWER/PROTECTION IND.513AWN8C320F08N8C320F06+5V+12VQ701C1815R7
17、192K2Q703C1815+5V+5VSTEREOTUNERPLL CLK1PLL D1R74010KPLL D0D7071N4148PLL CEC72122pRDS CLKC7224.7pRDS DATAY70112MHzR70510K+5V+5VStandbyR7234.7K+5VR7254.7K+12VR7244.7KR7264.7KC70210nC70110nspeak aD709GREEN1A2KD708GREEN+5VQ704C1815Q705C1815speak aOP SEL DATAQ7122SC1815OP SEL CLKIP SEL DATAR742470IP SEL
18、CLKIP SEL STR74310KIP SEL DATAIP SEL CLKIP SEL ST212345678910111213141516171819CZ702CON19R71110kR71210kR71010KR71310KC7060.1uFC7070.1uFC7080.1uFC7050.1uFA01A12A23Vss4SDA5SCL6WP7Vcc8IC70524C64C7190.1uFC7230.1u StandbyC7040.1uFR70610KS719SW-PBOP SEL STOP SEL DATAOP SEL CLKOP SEL STVFD DOUTVFD DINVFD C
19、LKVFD STBIP SEL DATAIP SEL CLKIP SEL STC72010uF/50V+5V+5VR70910KR70810KR70710KR71410KR71510KR71610KA1C2B3IC706ENCODEIP SEL CLKIP SEL DATAIP SEL ST2VIDEOTUNERAUXTAPECDIR OUTIR INIR OUTC718AUXQ706C1815VIDEOQ707C1815CDQ708C1815DISCQ709C1815TAPEQ710C1815Q711C1815R7274K7R7294K7R7314K7OP SEL CLKR7334K7OP
20、SEL DATAR7354K7OP SEL STR7374K7C71010nspeak bC71110nFlashC71310nspeak bC71410nC71510nTUNERC71610nDISCR7384K7R7364K7R7344K7R7324K7R7304K7R7284K7D715GREEN1A2KD714GREEND713GREENR7222.2KD712GREEND711GREEND710GREENSTR1D2CLK3OE15VCC16Q14Q25Q36Q47Q514Q613Q712Q811QS9QS10GND8IC7074094PSEN29ALE/P30TXD11RXD10P
21、2728P2627P2526P2425P2324P2223P2122P2021P0039P0138P0237P0336P0435P0534P0633P0732WR16RD17RESET9X218X119EA/VP31T014T115INT012P101P112P123P134P145P156P167P178INT113VCC40GND20IC704AT89C55WD+12VAAKKD7161N4148+5R748 8*10KIP SEL STR74910KIP SEL ST2RDS CLKS715ON/StandbyS716DISCS717CDS718TAPES711AUXS712FMS713
22、AMS714SpeakerAS707SpeakerBS708Preset downS709Preset upS710Tune downS703Tune upS704DisplayS705MemoryS706BlendS701FM Mute/ModeS702videoP1P2P3P4P5D7051N4148D7041N4148D7031N4148D7021N4148D7011N4148123456789101112131415161718CZ703CON18-30V-30VKEY1KEY2KEY3KEY4+5VVFD1VFD2VFD1VFD2KEY1KEY2KEY3KEY4P1P2P3P4P5V
23、FD DOUTVFD DINVFD CLKVFD STBD718D719D717D720R7502kD7215.6VFlashR7512KC725C726C724R7202.2KR7212.2K132IC708TCM810MENDD706DIODEP1P2P3P4P5P6P7P8P9SW11SW22SW33SW44Dout5Din6IC7CLK8STB9KEY110KEY211KEY312KEY413Vdd14Seg1/KS115Seg2/KS216Seg3/KS317Seg4/KS418Seg5/KS519Seg6/KS620Seg7/KS721Seg8/KS822Seg9/KS923Seg
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- NAD-C720BEE-rec-sm2 维修电路原理图 NAD C720BEE rec sm2 维修 电路 原理图