Aiwa-CSDFD73-pr-sm2维修电路原理图.pdf

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1、? !?#? ?$?%?&?(?)?)*+?)?*? !?# ?$?%?&?(?+?)*+?)?&?RadioFans.CN 收音机爱 好者资料库? ?!?#?!?$?!?%?%&?(?!)?*+?,?-?#?.?!?%?!?.?/?0#?%?&?1?*!?2!?&?1?-?)?%?%? ?(?%?%?%?%?!?)%?2%?!?!?!?)?%?0?)?%?0?&?3?%?!?)?3?%?#?$?$?4?5?$?4?*+?,?&)?6-?4?5?4?6+(?7?/?8?!?#?$?6-?9?2?.?.&?$?-?#?!?-?9?$?9?8?%&?#?#?$?4?%&?1?1?$?4?1?1?6

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3、 nkymttmlle lasersteilylle.VARNING!Om apparaten anvnds p annat stt n vad som specificeras idenna bruksanvising, kan anvndaren utsttas fr osynlinglaserstrlning, som verskrider grnsen fr laserklass 1.Caution: Invisible laser radiation whenopen and interlocks defeated avoid expo-sure to beam.Advarsel:U

4、synling laserstling ved bning,nr sikkerhedsafbrydere er ude af funktion.Undg udsttelse for strling.CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardousradiation exposure.ATTENTIONLutilisation de commandes, rglages ou procdures au

5、tres queceux spcifis peut entraner une dangereuse exposition auxradiations.ADVARSEL!Usynlig laserstling ved bning, nr sikkerhedsafbrydereer udeaf funktion. Undg udsttelse for strling.This Compact Disc player is classified as a CLASS 1 LASERproduct.The CLASS 1 LASER PRODUCT label is located on the re

6、arexterior.This set employs laser. Therefore, be sure to follow carefully theinstructions below when servicing.WARNING!WHEN SERVICING, DO NOT APPROACH THE LASER EXITWITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TOCONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVEFROM A DISTANCE OF MORE THAN 30cm FR

7、OM THESURFACE OF THE OBJECTIVE LENS ON THE OPTICALPICK-UP BLOCK.CLASS 1KLASSE 1LUOKAN 1KLASS 1LASER PRODUCTLASER PRODUKTLASER LAITELASER APPARATPrecaution to replace Optical blockBody or clothes electrostatic potential could ruinlaser diode in the optical block. Be sure groundbody and workbench, and

8、 use care the clothesdo not touch the diode.PICK-UP ASSY. P.C.BSolder11315SHORTLAND11975321416A12 108641) After the connection, remove solder shown inthe right figure.RadioFans.CN 收音机爱 好者资料库? ?!?#?#$?%?#? ?!?%?&?$?$? ?!?(?(?(?(?(?()? ?(?(?*?+?(?()? ?(?()? ?*?+? ? ? ? ? ? ?$? ?$? ?$? ?$? ? ? ? ?$? ?$

9、? ?$? ? ?!?#?#?&?&?&?$?!?(?!? ? ? ? ? ?%? ? ? ? ? ? ? ?$? ?$? ? ? ?$? ?$RadioFans.CN 收音机爱 好者资料库? ?$? ? ? ?$? ? ?$? ? ? ? ? ? ? ? ? ? ? ? ? ?(?(? ?(?(? ? ? ? ? ? ? ? ?$? ? ? ? ? ? ? ?!? ?#?#? ?#? ?#?#? ?,?$?!?!?&?(? ?(? ? ? ?%? ? ?%? ? ?%?%? ?(?(? ?#? ?$? ?$? ?$?(?(?%?%?!?-?!?-?!?-?!?-?!?-?!?-?!?-?!?

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11、CodingFigureValue of resistorChip resistorWattageTypeTolerance1/16W1/10W1/8W1608212532165%5%5%CJCJCJFormLWt1.60.80.4521.250.453.21.6108118128 : A : ACHIP RESISTOR PART CODE0.55Resistor CodeDimensions (mm)Symbol1/16W10055%CJ1.00.50.35104LtW?RadioFans.CN 收音机爱 好者资料库?RadioFans.CN 收音机爱 好者资料库WIRING - 1 (M

12、AIN / CD) - 9 -101112131415161718192021222324ABCDEFGHIJKLMNOPQRSTU1234567892526272829303132TP 1TP 235RadioFans.CN 收音机爱 好者资料库?WIRING - 2 (FRONT / H.P. / KEY / BATT1 / BATT2 / SP)- 12 -101112131415161718192021222324ABCDEFGHIJKLMNOPQRSTU1234567892526272829303132110 - 120 V220 - 240 V SW 901AC VOLTAGE?W

13、IRING - 3 (TUNER)- 14 - 123456789101112131415ABCDEFGHIJKLMNOPQRSTU?123456789101112131415ABCDEFGHIJKLMNOPQRSTU11315SHORTLAND119753214161210864FOCUS/TRACKINGCOILLDPD1CCD PICK UP ASSY?M2M1SW16531CD MOTOR C. B? ? ?MM12345612345678910111213141516VREFVCCEDABCFGNDLDVRPDF -T -T +F +SPINDLE +SPINDLE -SLED +S

14、LED -LIMIT SWLIMIT SWSW1(INSIDE LIMIT SWITCH)M2(SPINDLE MOTOR)M1(SLED MOTOR)CD MOTOR C.BPICK-UP ASSYTRACKINGFOCUSINGSFR1C3SHORTLANDLD+2.5V+5VPDICC1C2?1O-RMC / CEOCD read/write control output and TU CE.2O-DATAOData output to M61509FP.3O-CLKOOutput to LC72121M CLK.4P16-Not used.5O-CLKSFTOClock shift o

15、utput of the microcomputer.6I-HOLDIHold status detection.7I-RSTIMicrocomputer reset pin.8XT1 (IN)IConnected to 32.768 kHz crystal oscillator.9XT2 (OUT)O10VSS1-Connected to GND.11CF1 (IN)IInput pin for ceramic resonator oscillation.12CF2 (OUT)OOutput pin for ceramic resonator oscillation.13VDD1-Power

16、 supply.14I-FM STIFM STEREO status input.15I-KEY0IKEY AD input.16I-CDSWICD DOOR SW status detection input.17I-KEY1IKEY AD input.18I-MOTORIDECK MECHA MOTOR status input.19P85-Not used.20P86-Not used.21I-TUDOIData input from LC72121M.22O-BASS LEDOBASS LED ON/OFF control output.23O-QS LEDOQ-Sound LED O

17、N/OFF control output.24P92-Not used.25O-INTOINITIAL DIODE MATRIX detection output.26I-DRFICD RF level detection input.27I-WRQICD sub-code Q standby input.28I-REMOIRemote control input. (not used)29S0 / PA0OLCD segment output / Initial settings output (SW) (not used).30S1 / PA1OLCD segment output / I

18、nitial settings output (LW) (not used).31S2 / PA2OLCD segment output / Initial settings output (MW 10K).32S3 / PA3OLCD segment output / Initial settings output (FM WIDE) (not used).33S4 / PA4OLCD segment output / Initial settings output (AMST) (not used).34S5 / PA5OLCD segment output / Initial setti

19、ngs output (SW2) (not used).35S6 / PA6OLCD segment output / Initial settings output.36S7 / PA7OLCD segment output / Initial settings output (not used).3740S8S11OLCD segment output.41VDD3-Power supply.42VSS3-Connected to GND.4350S12S19OLCD segment output.Pin No.Pin NameI/ODescriptionIC DESCRIPTIONIC,

20、 LC867132V-5P07?Pin No.Pin NameI/ODescription5154S20S23-LCD segment output. (not used)55O-CD LEDOLED ON/OFF control output for CD functions.56O-TU LEDOLED ON/OFF control output for TUNER functions.57O-TA LEDOLED ON/OFF control output for TAPE function. (not used)58O-ROCK LEDOLED ON/OFF control outpu

21、t for ROCK.59O-POP LEDOLED ON/OFF control output for POP.60O-JAZZ LEDOLED ON/OFF control output for JAZZ.61V3-Not used.62I-CD TEST-Not used.63I-TU TEST-Not used.6466COM0COM2OLCD common output.67COM3-LCD common output. (Not used)68VSS2-Connected to GND.69VDD2-Power supply.70O-CD ONOCD POWER control o

22、utput.71O-TU ONOTUNER POWER control output.72O-P.CONTOPower supply control output.73P03-Not used.74O-MUTEOMain mute output.75O-FM MONO-Not used.76O-BEAT CONTOBEAT switch over output.77O-QSOUND-QSOUND ON/OFF output.78O-COIN OCD command output.79I-SQOUTICD sub-code Q input.80O-CQCKOCLK for CD commands

23、/sub-codes.?1DEFIIDefect detection signal (DEF) input.2TAIITest input. A pull-down resistor is built in. (Must be connected to 0V.)3PDOOExternal VCO control phase comparator output.4VVSSInternal VCO ground. (Must be connected to 0V.)5ISETOPDO output current adjustment resistor connection.6VVDDIntern

24、al VCO power supply.7FRIVCO frequency range adjustment.8VSSDigital system ground. (Must be connected to 0V.)9EFMOOSlice level control; EFM signal output.10EFMINISlice level control; EFM signal input.11T2ITest input. A pull-down resistor is built in. (Must be connected to 0V.)12CLV+ODisc motor contro

25、l output.13CLVThree-value ouput is also possible when specified by microprocessor command.14V/PORough servo/phase control automatic switching monitor output. Outputs a high levelduring rough servo and a low level during phase control.15HFLITrack detection signal input. This is a Schmitt input.16TESI

26、Tracking error signal input. This is a Schmitt input.17TOFFOTracking off output.18TGLOTracking gain switching output. Increase the gain when low.19JP+OTrack jump output.20JPThree-value output is also possible when specified by microprocessor command.21PCKOEFM data playback clock monitor. Outputs 4.3

27、218 MHz when the phase is locked.(Not used)Synchronization signal detection ouput. Outputs a high level when the synchronization22FSEQOsignal detected from the EFM signal and the internally generated synchronization signalagree. (Not used)23VDDDigital system power supply.24SL+OSerial data command sl

28、ed signal output terminal from microprocessor.25SL26CONT3Not used.27PU INICD pickup inside limit switch.28RWOSerial data command sled output terminal from microprocessor.29EMPHODe-emphasis monitor pin. A high level indicates playback of a de-emphasis disk.(not used)30C2FOC2 flag output. (not used)31

29、DOUTODigital output (EIAJ format). (not used)32T3ITest input. A pull-down resistor is built in. (Must be connected to 0V.)33T434NCNot connected.35MUTELOLeft channel one-bit D/A converter mute output. (Not used)36LVDDLeft channel one-bit D/A converter power supply.37LCHOOLeft channel one-bit D/A conv

30、erter output.IC, LC78622EDPin No.Pin NameI/ODescription?Pin No. Pin NameI/ODescription38LVSSLeft channel one-bit D/A converter ground. (Must be connected to 0V.)39RVSS-Right channel one-bit D/A converter ground. (Must be connected to 0V.)40RCHOORight channel one-bit D/A converter output.41RVDD-Right

31、 channel one-bit D/A converter power supply.42MUTERORight channel one-bit D/A converter mute output. (not used)43XVDD-Crystal oscillator power supply.44XOUTOConnections for a 16.93 MHz crystal oscillator element.45XINI46XVSS-Crystal oscillator ground. (Must be connected to 0V.)47SBSYOSubcode clock s

32、ynchronization signal output. (not used)48EFLGOC1, C2, sigle an double error correction monitor. (not used)49PWOSubcode P, Q, R, S, T, U and W output. (not used)50SFSYOSubcode frame synchronization signal output. This signal falls when the subcode arein standby state. (not used)51SBCKISubcode readou

33、t clock input. This is a Schmitt input. (Must be connected to 0V.)52FSXOOutput pin for the 7.35 kHZ synchronization signal divided from the crystal oscillator. (Not used)53WRQOSubcode Q output standby output.54RWCIRead/write control input. This is a Schmitt input.55SQOUTOSubcode Q output.56COINIComm

34、and input pin from control microprocessor.57CQCKIInput for both the command input acquisition clock and the SQOUT pin subcodereadout clock input pin. This is Schmitt input.58RESIReset input. This pin must be set low briefly after power is first applied.59T11OTest output. Leave open. (Normally output

35、 a low level). (Not used)6016MO16.9344 MHz output. (Not used)614.2MO4.2336 MHz output.62T5ITest input. A pull-down resistor is built-in. (Must be connected to 0V.)63CSIChip seledt input. A pull-down resistor is built-in.(Must be connected to 0V if not controlled.)64T1ITest input. No pull-down resist

36、or. (Must be connected to 0V.)?IC, LA9241MLPin No. Pin NameI/ODescription1FIN2OFor the connection of the pickup photodiode. Addition to the FIN1 pin creates an RFsignal and subtraction from it create an EF signal.2FIN1OFor the connection of the pickup photodiode.3EOFor the connection of the pickup p

37、hotodiode. Subtraction from the F pin creates a TEsignal.4FOFor the connection of the pickup photodiode.5TBIInputs the DC components in the TE signal.6TE-OFor the connection of a resistor which sets the gain of the TE signal between this pinand the TE pin.7TEOTE signal output.8TESIITES (track error

38、sense) comparator input. The signal is passed through a BPF.9SCIIShock detection input.10THISets the time constant for the tracking gain.11TAOTA amp output.12TD-IComposes the tracking phase compensation constant between the TD and VR pins.13TDISets the tracking phase compensation.14JPISets the ampli

39、tude of the tracking jump signal (kick pulses).15TOOTracking control signal output.16FDOFocusing control signal output.17FD-IComposes the focusing phase compensation constant between the FD and FA pins.18FAOComposes the focusing phase compensation constant between the FD and FA pins.19FA-IComposes t

40、he focusing phase compensation constant between the FD and FA pins.20FEOFE signal output.21FE-IFor the connection of a resistor whichs sets the gain of the FE signal between this pinand the TE pin.22AGNDOGround of analog signals.23SPOSingle-ended output of the signals input to the CV+ and CV- pins.2

41、4SPIISpindle amp input.25SPGIFor the connection of a resistor which sets the gain in the spindle 12cm mode. (not used)26SP-IFor the connection of the spindle phase compensation constant with the SPD pin.27SPDOSpindle control signal output.28SLEQIFor the connection of sled phase compensation constant

42、.29SLDOSled control signal output.30SL-ISled feed signal input from the microprocessor.31SL+32JP-ITracking signal input from the DSP.33JP+34TGLITracking gain control signal input from the DSP. Low gain when TGL is H.35TOFFITracking off control signal input from the DSP. Off when TOFF is H.36TESOOutp

43、uts the TES signal to the DSP.?Pin No. Pin NameI/ODescription37HFLOThe HFL (high frequency level) signal is used to judge whether the main beam ispositioned on the pit or on the mirror.38SLOFISled servo off control input.39CV-ICLV error signal input from the DSP.40CV+41RFSMORF output.42RFS-OSets the

44、 RF gain and the EFM singals 3T compensation constant togther with theRFSM pin.43SLCOThe SLC (slice level control) signal is output to control the DSPs data slice level of theRF waveform.44SLIIInput to control the DSPs data slice level.45DGND-Ground of digital signals.46FSCOOutput for the focus sear

45、ch smoothing capacitor.47TBCIThe TBC (tracking balance control) signal sets the EF balance variation range.48NC-Not connected.49DEFODisc defect detection output.50CLKIReference clock input. 4.23 MHz is input from the DSP.51CLIMicroprocessor command clock input.52DATIMicroprocessor command data input

46、.53CEIMicroprocessor chip enable input.54DRFODRF (detect RF) is an output to detect the RF level.55FSSIThe FSS (focus search select) signal switches the focus search modes (+/-search /+search withrespect to the reference voltage). (not used)56VCC2-VCC of servo and digital circuits.57REFI-For the con

47、nection of bypass capacitor for the reference voltage.58VROReference voltage output.59LF2-Sets the time constant for disc defect detection.60PHI-For the connection of a capacitor to hold the RF signal peak.61BHI-For the connection of a capacitor to hold the RF signal bottom.62LDDOAPC circuit output.

48、63LDSIAPC circuit input.64VCC1-VCC of RF signal circuits.? ?!?#$%? ?!?!?&?(?)*?+?!?*(?#$?!?!?!?,?-? ?.?(?/?#$?0? ?#$(?12?34?)? *?#$ ?2? ? ?/?!?2?5?#$?/?!?!?/?+?*?2?.?*?65?#$?/? ?7?8?*?#9:4?2;?.?!?.?.?(?#$?+?(?#$?)?#?$?!? ?7?(?8?*?#9:4?$?!?.?,?!?5?5*?#$?+?*?#$?6?2?!?=?,!?.?.?.?!?0?!?;2?;42?.?!?,?.?,?

49、!?(?1?.?03A)5?B43?A?5?!? ?2; (?!?;2?=?!?;2?C?0?4?;4?Oscilloscope(DC range)TP1 (RF)TP2 (VREF)+-EYE PATTERN Must be CLEAR and MAXMAX VOLT / DIV: 50mV TIME / DIV: 0.5s RF signal waveform- 27 -MECHANICAL EXPLODED VIEW 1 / 13534333231P.C.B111212AAAAA363937389CMS-B31TG630282927BB2625401516AAAAAAH434246CCC

50、CAA47 4849750FFF504544JIP.C.BP.C.B415958222321161519182024HHP.C.BP.C.BP.C.B10875142361317B121213GRILLE, TW RGRILLE, TWLGRILLE, FR RGRILLE, FR L14AAA11 B53535452DKDEE556057ZZM2-AR2NCAA56AAML51G57(HCSC1C only)(HTSCC only) only)?!? ? ?!?#$?#?#$?%?!%?%?!?&?$?&?%&?%?!?&?!? ?!?!?#?!?!?$?%?&?$?#?$?%?&?&?$?