Kenwood-X-92-4450-00-Service-Manual电路原理图.pdf
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1、 2002-1 PRINTED IN JAPANB51-7889-00 (N) 3415CD MECHANISM ASSYSERVICE MANUALX92-4430-0xX92-4450-0xDESCRIPTION MECHANISMX92-4430-00 (DXM-6010W)X92-4430-01 (DXM-6011W)X92-4430-02 (DXM-6012W)X92-4430-03 (DXM-6013W)X92-4450-00 (DXM-6110W)X92-4450-01 (DXM-6111W)X92-4450-02 (DXM-6112W)X92-4450-03 (DXM-6113
2、W)outer-chassisdumper (X4)floating spring (X4)traverse chassis assy Mecha PCBroller springroller lever assydamper bracketdisc guide assyCONSTRUCTION OF MAJOR PARTS2X92-4430-0xX92-4450-0xNOTE FOR HANDLING MECHANISM ASSYTrigger LeverPick is under the finger, itmay touch.NGDont touch the lever be-cause
3、 the trigger levercomes off.NGDont have the center ofentrance because the discinsertion mouth is trans-formed.NGOK OKPICK UPSPINDLE MOTORSLIDER ASSYROLLEROK OK NG Dont touch in the frame, since grease isapplied to the parts. Dont applied grease to the roller. Dont touched PICK and SPINDLE MOTOR.X92-
4、4430-0xX92-4450-0x3EFACBTR COILFO COILAPC1 CHIP ICSERVOMI-COMIC2Q116.93MHzCLOCKX1DRIVERMOTORIC4PROCESSORSPINDLEMOTORMOTOR& SLEDLPFIC68V SWQ3Q2SWS3S4S1S2D. GND(0-01)ONLYRF AMPIC1LOADINGREF5V REGD2S. GNDA. GNDD. GNDSLEDLOADINGQ5SW5V SWQ4D. GNDPICK-UPMOTHER BOARD6VREFL-chR-chA. GNDA. +8VD. GNDBU. +5VLO
5、E/LIM SW8EJE SW12EJE SWLOS SWS7.5VLO/EJMOTORS. GNDVREFVREF227DRV MUTEMUTEDOUTDATA42CLKMSTOPMRSTMUTE LMUTE R22 HL11D+5V244312222311108917191618151413122021BLOCK DIAGRAMCOMPONENTS DESCRIPTIONRef.No. Component Name Application/Function Operation/Condition/CompatibilityGeneration of RF signal based on t
6、he sig-nals from the APC circuit and pickup, andgeneration of servo error (focusing errorand tracking error) signals.Detection of dropout, anti-shock, trackcrossing and off-track conditions, includedgain control function during CD-RW.Focusing, tracking, sled and spindle servoprocessing. Automatic ad
7、justment (focus-ing, tracking, gain, offset and balance) oper-ations. Digital signal processing (DSP, PLL,sub-codes, CIRC error correction, audiodata interpolaration) operations, andMicrocomputer function.Focusing, tracking, sled and spindle servoprocessing. Automatic adjustment (focus-ing, tracking
8、, gain, offset and balance) oper-ations. Digital signal processing (DSP, PLL,sub-codes, CIRC error correction, audiodata interpolaration) operations, includedCD-text decoder and Microcomputer func-tion.Focusing coil, tracking coil, spindle motorand sled motor driver, disc loading andeject operation.
9、2nd low pass filter for audio signalsLD power controlWhen D.5V SW is turned on, Q2 and Q3are turned on, and A.+8V is supplied to lowpass filter circuit and D/A converter.When PON goes Hi, Q4 and Q5 are turnedon, and BU+5V is supplied to microproces-sor peripheral circuit, IC1 and the pickup.a71CD PL
10、AYER UNIT (X32-5180-0X, X32-5200-0X)IC1IC2IC2IC4IC6Q1Q2Q3Q4Q5AN22000AAMN662774KJ2(X32-5180-0X)MN662773KH2(X32-5200-0X)BA5824FPNJM4580M1MCH6101DTC124EUADTA143XUA2SA1362(Y)DTC124EUARF amplifier adapted for CD-RWCD signal processor bult-in MI-COM.CD signal processor bult-in MI-COM.4CH BTL driverLow pas
11、s filterAPCA.8V SWD.5V SWX92-4430-0xX92-4450-0x4MICROCOMPUTERS TERMINAL DESCRIPTIONa71IC2(CD PLAYER UNIT : X32-5180-0X, X32-5200-0X)Pin No. Pin Name I/O Description Processing Operation1 BDO I Dropout signal input Hi : Dropout detected2 OFT I Off-track signal input Hi : Off-track detected3 /RFDET I
12、RF detection input Hi : RF signal detected4 VDET I Vibration detection input Hi : Vibration detected5 LDON O Laser diode ON signal output Hi : Laser diode ON6,7 NC - Not used (N.C.)8 AVSS3 - Ground connection terminal for analogue circuits Connected to GND lines.9 AVDD3 - Positive power supply conne
13、ction terminal for analogue circuits Connected to BU 5V lines.10 FBAL O Focusing balance adjustment output11 TBAL O Tracking balance adjustment output12 FE I Focusing error signal input13,14 NC - Not used (N.C.)15 TE I Tracking error signal input16-18 NC - Not used (N.C.)19 RFENV I RF envelope signa
14、l input20 VREF I VREF input terminal21 ARF I RF signal input (for DSL)22 DRF I DSL bias terminal23 DSLF I/O DSL loop filter terminal24 IREF I Reference current input terminal25 PLLF I/O PLL loop filter terminal26 PLLF2 I/O PLL loop filter characteristic switching terminal27 VCOF I/O VCO loop filter
15、terminal28 VCOF2 I/O VCO loop filter terminal Digital servo 33.8688MHz generation29 TRV O Traverse forced feed output30 TVD O Traverse drive output31 PC O Spindle motor ON/OFF output (Lo : ON) Not used (N.C.)32 ECM O Spindle motor drive output (forced mode output)33 ECS O Spindle motor drive output3
16、4 KICK O Kick pulse output35 TRD O Tracking drive output36 FOD O Focusing drive output37 TOFS O Tracking off-set adjustment output38 AVDD2 -Positive power supply connection terminal for analogue circuits(for DSL, PLL, AD, DA)Connected to BU 5V lines.39 AVSS2 -Ground connection terminal for analogue
17、circuits (for DSL, PLL, AD, DA)Connected to GND lines.40 DVSS2 - Ground connection terminal for digital circuits Connected to GND lines.41 EFM or CK384 O EFM signal output Not used (N.C.)42 PCK or DSLB O PLL sampling clock output43 /CLDCK O Sub-code frame clock signal output Not used (N.C.)44 FCLK O
18、 Crystal frame clock signal output Not used (N.C.)45 IPFLAG O Interpolation flag signal output (Hi : Interpolated) Not used (N.C.)46 FLAG O Flag signal output Not used (N.C.)47 TRCRS I Track crossing signal input48 STOUT O Serial data output for monitor signal Not used (N.C.)49 STLD O Load output fo
19、r monitor signal Not used (N.C.)50 SMCK O Bit clock signal output for monitor signal Not used (N.C.)51 CSEL I Crystal oscillation frequency selection terminal Hi : 33.8688MHz, Lo : 16.9344MHz52 TEST1 I test terminal 1 Not used (Connected to GND lines)53 TEST2 I test terminal 2 Not used (Connected to
20、 GND lines)54 IOSEL I Audio DAC data input mode selection terminal Hi: External data, Lo: Internal data55 NRST I Reset input (Lo: Reset) Not used(Connected to BU 5V lines)56 BCLK O Bit clock output for SRDATA Not used (N.C.)57 LRCK O L/R identification signal output Not used (N.C.)58 SRDATA O Serial
21、 data output Not used (N.C.)59 SUBC O Sub-code serial output Not used (N.C.)60 SBCK I Clock input for Sub-code serial output Not used (Connected to GND lines)61 DQSY O CD-TEXT read permission signal output Not used (N.C.)62 DEMPH O De-emphasis detection signal output (Hi : ON) Not used (N.C.)63 TX O
22、 Digital audio interface signal output64 PSEL I SRDATA input/Test terminal Not used (Connected to GND lines)65 MSEL I LRCK input/SMCK output frequency switching Not used (Connected to GND lines)66 SSEL I BCLK input Not used (Connected to BU 5V lines)67 DVDD1 - Positive power supply connection termin
23、al for digital circuits Connected to BU 5V lines.68 X1 I Crystal oscillation circuit connection terminal69 X2 O Crystal oscillation circuit connection terminal70 DVSS - Ground connection terminal for digital circuits Connected to GND lines.71 XSUB1 I Microprocessor clock input terminal Not used (Con
24、nected to GND lines)72 XSUB2 O Microprocessor clock output terminal Not used (N.C.)73 DVDD2 - Positive power supply connection terminal for digital circuits Connected to BU 5V lines.74,75 NC O Not used(N.C.)76 73/74SEL I 73/74 selection terminalHi : CD-TEXT OFF (DXM-601xW)Lo : CD-TEXT ON (DXM-611xW)
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