Marantz-CD5004-cd-sm 维修电路原理图.pdf

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22、 SLIDSPINRFFE FocusTE TrackingSLIDSPIN8)3. TOC READ4. FOCUS ADJUSTMENT3.1 CD?TCD-784?TOC READ4.1 CD?TCD-784?FOCUS ADJUSTMENT3.2 CD-R?TCD-R000RM?TOC READ4.2 CD-R?TCD-R000RM?FOCUS ADJUSTMENT3.3 CD-RW?TCD-W000RM?TOC READ4.3 CD-R?TCD-R000RM?FOCUS ADJUSTMENT5. LOADER OPEN-CLOSE1V200mV2V500Mv2V1V2V1V200mV

23、2V500Mv2V1V2V1V200mV2V500Mv2V1V2VRFFEFocusTETrackingSLIDSPINRFFEFocusTETrackingSLIDSPINRFFEFocusTETrackingSLIDSPIN5V 5V 5V5VOPSWCLSWLOAD+LOAD-OPENCLOSEUPDATERST/ST+5V/GNDTR+/FC+/LOGICCONTROLSPISPISLSLFOCUSLOSERIALPORTVOLUMEControlMIXERVOLUMEControlINTERPOLATIONF LTERFILTERINTERPOLATIONDACDACANALOGFI

24、LTERFILTERANALOGMODESelectorControlPortSDATASCLKLRCKDAC MCKNC (DAC SDA)NCNCNC (DAC SCL)AOUTBAOUTB+AOUTA+AOUTAMDILDOEXTERNALMute ControlReferenceCMOUT F T+DO T+3 3VAS O/UART(SIO2)I2CI2C(SBIO)(SBI1)8bit TIMER8bit TIMER8bit TIMER8bit TIMER8bit TIMER8bit TIMER(TMRA0)(TMRA1)(TMRA2)(TMRA3)(TMRA4)(TMRA5)(T

25、MRB0)6Bit TIMER6Bit TIMER6Bit TIMER6Bit TIMER6Bit TIMER(TMRB1)(TMRB2)(TMRB3)(TMRB4)XDEXHLXIXXIYXIZXSPDHELX1YIZSP32b tFP CWATCH DOG T MERClock Timer8 K B R A M OscillatorMODECONTROLLERINTERRUPTCONTROLLERINTERRUPTCONTROLLERDATA BUSADDRESS BUSMemory Controller(blocks)P O R T1 0 B I T1 6 C HA DRL4RL3RL1

26、RL2RL5ECBFDADAC MCKDSP MCKPLL SCLPLL SDACIRCUITCONTROLCIRCUITVCCGNDI/O1 I/O7CE1OEWEVFD CLKVFD CEVFD DIVFD POWERREMOVFD CLKVFD CEVFD DIVFD POWERRS/REMOTE INRS/REMOTE INADDRESS PORTDATA PORTRSTST+5VDAC RSTDAC RSTPLL SDAPLL SCLKEY DATALED DATAKEY DATALED DATACD BUS2CD BUS3CD BUCKCD CCECD RSTSYS DETECTS

27、T+EXTERNALINTERNALHLSYS DETECTSDATASCLKLRCKFOCUSFOCUS+TRACK NGTRACKING+BDAC+3 3VA+5VA16 9344 MHST+5V+P1 5V+3 3V3 3VDA+VREF+RF3 3V+VREF+VREF+8VA MUTEB MUTE+12V12VF MUTEA MUTEB MUTEF MUTE+3 3VCLP MUTEP MUTEFL+/FVDDVPFST+5V+12VVDDVDD89PLL SCLPLL SDAST+5VPWR DT ON/OFFCMOSLVD viderandOutputControlProgram

28、m ngandControl Register+1 8V+3 3VCLTC7WHU04FU+3 3VCLCMOSLVCMOSLVVDISGNDVOUTVINOUTN321NCOUTDSVSSVDDOUTINGNDOUTINAUDIO+AUDIO+AUDIO+8VVDD+3 3V3 3VDA+P1 5VVP+8V+8VREMORS REMOTE INPWR MUTEB+3 3V+1 8V4495253545556929020 1971 75 78R A M R A M FLASH ROM 128KByteROM Correction18 68 353079 80 8138858687764188

29、EEPROM313232541WELCOMECLOCK(PLL+VCO)DSP POWERCDCE9134041424337619192949596976263643334LPF (OP Amp IC)+Tr.BufferPLLwith SSCDAC (CS4392)VCXOXOLVCMOSEEPROM32131314321321321321321CD-RFINCD-RFAmpAudioDACAnalogPostFilterServoADCCDPDSP24-BitDSP1 MbitSRAMServoProcessorServoDACPeripheralI/FPLL/VCO(Audio Out)

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