Technics-SAAK210-cs-sch 维修电路原理图.pdf
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1、http:/servis- Manual TOP NEXT ORDER NO. MD0302054C2 CD Stereo System lSA-AK210E SA-AK210EB SA-AK210EG Colour (S). Silver Type TAPE SECTION : SG-2W MECHANISM SERIES Specifications AMPLIFIER SECTION RMS Power output 10% Total harmonic distortion 1kHz, both channels driven (Low channel) 55 W per channe
2、l (6 ) 10kHz, both channels driven (High channel) 55 W per channel (6 ) Total Bi-Amp power 110 W per channel Input sensitivity AUX 250 mV Input Impedance AUX 13.3 k FM TUNER SECTION Frequency range 87.50 - 108.00 MHz (50 kHz steps) Sensitivity 1.8 V (IHF) S/ N 26 dB 1.5 V Antenna terminal(s) 75 (unb
3、alanced) AM TUNER SECTION Frequency range 522 - 1629 kHz (9 kHz steps) Sensitivity S/ N 20 dB (at 999 kHz) 560 V/ m CASSETTE DECK SECTION Track system 4 track, 2 channel Heads Record/ playback Solid permalloy head Erasure Double gap ferrite head Motor DC servo motor Recording system AC bias 100 kHz
4、Erasing system AC erase 100 kHz Tape speed 4.8 cm/ s Overall frequency response (+ 3 dB, -6 dB at DECK OUT) NORMAL (TYPE I) 35 Hz - 14 kHz S/ N 50 dB (A weighted) Wow and flutter 0.18% (WRMS) Fast forward and rewind time Approx. 120 seconds with C-60 cassette tape CD SECTION Sampling frequency 44.1
5、kHz Decording 16 bit linear Pickup Beam source/ wavelength Semiconductor laser/ 780 nm Number of channels Stereo Frequency response 20 Hz - 20 kHz (+ 1, -2 dB) Wow and flutter Below measurable limit Digital filter 8 fs D/ A converter MASH (1 bit DAC) RadioFans.CN 收音机爱 好者资料库: CD-DA SIGNAL LINEIC703AN
6、8739SBTE2FOCUS COIL/TRACKING COIL/TRAVERSE MOTOR/SPINDLE MOTOR DRIVER7014.7CCCCCCN701Q701Q701B1ADCF000001LASER POWER DRIVE383735363329GNDGNDLASER DIODE1112106854923F-T+T-LPDVREFNANBGNDLD GNDLDPDEPDFVCCC7016.3V33R7504.7C7146.3V100C7130.1C7500.1C7510.1C7020.1IC701AN8885SBE1SERVO AMPTENFENFEOUTFBALTBAL
7、TEOUTCEARFLPDLDRFINPDFPDEPDBPDAVREFENVOFTR/RFDETGNDLDONBDOVCCCSBRTNCPDOWNNCNCC7062700PC7070.027C7040.1C7036.3V100C7120.1C7110.1R70822KR70739KC7492200PR744120KC747180PR7061KR7041KR70210KR705150KC710120PC7420.027M701TRV MOTORC7360.1M702SP MOTORC7370.1R7316.8KR7283.9KR7494.7KC7391500PR7293.9KC7380.01R7
8、236.8KC7521000PR7273.9KC7152700PR725390R7151KR72418KR735100C7350.1C73410V220R736100F+SCHEMATIC DIAGRAM -1CD SERVO CIRCUITOPTICALPICKUP CIRCUIT: +B SIGNAL LINEMMIC703VCCNCNCRSTININ3IN4VREFNC/RSTGNDGNDPVCC2PGND2D4+D4-D3+D3-PGND1PVCC1NCD2+D2-D1+D1-IN1NCPC2NCIN2NC3456222324712252621208199181017111227281
9、613151430291211102468975311314151612111024689753113141516GNDVCCAINBINVREFNAOUTGNDNBOUT1234567812342324252652262172081991810171116121513142728RadioFans.CN 收音机爱 好者资料库: CD-DA SIGNAL LINER74147KR753100C7451000PCN702SPEED151621202223RESETSW111091/RST3STAT4SUBQ6SQCK7BLKCK8MLDMDATAMCLKP.GND+7.5V17TXLD SWD.
10、GND+3.3VRCH OUTA.GNDLCH OUT19TJ70218S701RESET SWC7430.1C753470PC72750V1C72850V1C7251000PC7261000PR7171KR7181KC7330.1C7326.3V220R721100C7316.3V220C7300.1C754470PR742220KC716820PR70947KR71182KC7170.1C7445600PC7180.22R712220C72110PR7140C72210PX701RSXZ16M9M01TC72310V220C7240.1IC702MN662790RSCSERVO PROCE
11、SSORDIGITAL SIGNAL PROCESSOR/DIGITAL FILTER/D/A CONVERTERTOMAINCIRCUIT(CN310) ONSCHEMATICDIAGRAM-527262524421225SCHEMATIC DIAGRAM - 2CD SERVO CIRCUIT: +B SIGNAL LINE: CD SIGNAL LINEDVSS1DVDD1BCLKLRCKSRDATATXMCLKMDATAMLDSENSE/FLOCK/TLOCKBLKCKSQCKSUBQDMUTESTAT/RSTSMCKCSELTVDPCECMECSTRDFODVREFFBALTBALF
12、ETERFENVVDETOFTTRCRS/RFDETBDOLDONKICKTRVVDDAVSS2AVDD2WVELARFIREFDRFDSLFPLLFEFMPCKSUBCSBCKVSSX2 OUTPLLF2VCOFVCOF2DSLF2X1 INRESYSSELBYTCKDEMPH/CLDCKFCLKIPFLAGFLAGCLVSCRC/TESTAVDD1AVSS1RSELPSELMSELOUTROUTLIOSELIOVDD1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484
13、950515253545556575859606461 62 636865 66 677269 70 7173 74 75 76 77 78 79 8012111024689753113141516171819SCHEMATIC DIAGRAM - 3C1471000PJK101Z101RLA2Z007-TIC102LC72131MDTRMPLL FREQUENCY SYNTHESIZERIC101LA1833NMNTLMFM/AM IF AMPDET/AM OSC MIX/FM MPXD101B0BC5R00009R134470R1351KR1361KR1371KDO/STCEPLLDAPL
14、LCLKDO/STC1070.047R1101KR112100KC1088PC1361000PR1145.6KR1520C1100.01R1383.3KR13010KC13427PC13327PC1120.01R115560R1161KC11150V4.7R11310KC12516V22C132100PC1306.3V100R15182C1131000PR11912KR111390R12882R11768KR1183.3KC12716V22Z102G2BAE0000003C12616V1C1060.01C11450V3.3C1091000PC11550V4.7C1160.033R12047KR
15、14322KC1380.01R12368KC12016V10R12122KR1024.7KC13950V4.7C119560PC131100PC1373300PC1180.01C1170.01C14250V1R1426.8KC14150V1R1416.8KR1261KR125470R12927KR127470C124100PR13210KC1480.01R12433X102RLFDFT22DDC12250V1R1222.7KC12150V0.47R131120R1331KC1296.3V100C1490.1C12350V1R145100KC1434700C1444700R146100K1B12
16、34Q101,Q1022SC2058SPTAFM IF AMPTUNER/MAIN CIRCUIT+7.5VSDDO/ST15VTGNDPLLCLKDO/STPLLDALCHCERCHTOMAINCIRCUIT(2B) ONSCHEMATICDIAGRAM-6TOMAINCIRCUIT(2A) ONSCHEMATICDIAGRAM-61ADET_OUTR105470C1041000PR106470KC1051000PR107330C1030.01R108470KR109330Q101Q102CF202J0B10750077R10410KR103100C10216V100R13922KQ106Q
17、110R14022KCF201J0B1075A0086C1010.01Q1102SC3311ARTADC DETECT SWITCHX103RSXC7M20S05TSDQ106KRA102MTATUNER 15VSUPPLY SWITCH87622HVM2715015P2SC29962SC2620HVM2718P1.2K10KTUNER PACK Z120 (ENV17290G1Y)1342522P15P47uH100K18P1P8P8PHVM2733K100K7P0.02233K33K0.0224P22P1P4P220P10K1.5M0.022330470K0.022100uF16V2202
18、P33P10K8P1002.7K47P330100K8PIFT2SC29962SK3602SK238HVM273P1uHDSGDSGR144120STRQSDCLWAINPDAOUTVDDFMINAMINIFINMONOFMAMCEDICLDOVSSXOUTXIN1234171819205166157148139121011IC101PILOT OUTMPX INPILOT INDET OUTSTAM OUTRCHLCHMONOFM/AMOSCAFCAM RF INAGCAM MIX OUTREGAM IF INGNDSDFM DETVCCSTRQOSC OUTFM IF IN12342122
19、2324520619718817916101511141213AM LOOP ANTAM EXTANT75 OHMFM EXT ANTGND123456789AM ANT COILAM OSC COIL321564213213: +B SIGNAL LINE: FM/AM SIGNAL LINE: FM SIGNAL LINE: FM OSC SIGNAL LINE: AM SIGNAL LINE: AM OSC SIGNAL LINEMAIN CIRCUITSCHEMATIC DIAGRAM - 41413121110246897531CN309BOTTOMSWPLUNGERPOSITION
20、5VDGNDSW2PGNDSW1OPENCLAMPCHG_CCW8VCHG_HALFCHG_CWTOCD LOADINGCIRCUIT(CN1) ONSCHEMATICDIAGRAM-13CHG_CWCHG_HALFCHG_CCWSW1SW2VREF+CHG_AD1TOPANEL CIRCUIT(CP601) ONSCHEMATIC DIAGRAM-9TODECKCIRCUIT(CN1001) ONSCHEMATICDIAGRAM-11CHG_AD21716151413121110246897531CN304Q211KTC3875GRTARHP FILTER(HEADPHONE)Q411KTC
21、3875GRTALHP FILTER(HEADPHONE)Q308KTA12710YTACURRENT CONTROLSWITCHQ310KRA110MTACD ON/OFFSUPPLY SWITCHQ309KTC3199GRTAVOLTAGE STABILISERCD3.3V: -B SIGNAL LINE: +B SIGNAL LINE: CD SIGNAL LINE: MAIN SIGNAL LINE: AUX SIGNAL LINE: PLAYBACK SIGNAL LINE: RECORD SIGNAL LINER34310KR34247KR34147KR34010KR34422KR
22、34512KSW5VR348R346R34722022K12KCD8VCHG_PLGRQ323MOT10VC3260.47D324RL1N4003S-PQ324Q323KRC102STAPLUNGER MOTORSUPPLY CONTROL SWITCHR35010KR3491KQ324KTA12710YTACD MOTOR SUPPLY SWITCHCD8V1011121314124689753CR02MOTORBP1DECK1_HDMTMOGNDMOT10VREC_H+15VRECRRECLAGNDPBRPBLMOT10VREC_H+15VREC_RREC_LPBRPBLJK300RCHA
23、UXLCHR20110KAUXRR2023.3KC202100PC201680L301J0JBC0000019R40110KR4023.3KC402100PC401680AUXLC3310.22C3320.22PL_GNDMOTORBP1DECK1_HDMTRDS_DET+9VMICMIC GNDSPEANAREC_HHPRHPGNDHPLMUTE_AMUTE_H/CDSPEAREC_H+9.0VR4394.7K-9.0VQ404R43718KR43618KC4308200R438220KC4311500PQ204R23718KR23618KC2308200R238220KC2311500PC
24、43550V0.68R4433.3KLO_LR2394.7KC23550V0.68R2433.3KLO_RQ405C4338200PC4328200PHI_LC43450V1R4441.8KR4404.7KR44112KQ205R2425.6KC23450V1R2404.7KR24112KHI_RC2338200PC2328200PCN303+9.0VR352220Q411C31816V33-9.0VR47112KR27112KR353220R473220R472220kC4510.033Q211R272220KR273220KC2510.033C2520.033C4520.033R2741.
25、5KR4741.5KLHPFRHPFR454220MUTE_AMUTE_H/CDD307-D308MA2J72800LC31916V33Q204, Q404KTC3875GRTALPF FREQ AMPSWITCHQ205, Q405KTC3875GRTAHPF FREQ AMPSWITCHR2441.8KR31212R31115C3160.01R31310KQ308D307D308Q309R3152.2KR317330C31510V33R3163.9KR314100Q310CD3.3VSW5V/CD+9VMICDET_OUTR4425.6KC253 1000PD309RL1N4003S-PM
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