Sony-TXDRE210-cd-sm 维修电路原理图.pdf
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1、MICROFILMTXD-RE210AEP ModelSERVICE MANUALCOMPACT DISC CASSETTE DECKModel Name Using Similar MachanismNEWCDCD Machanism TypeCDM28-5BD23SectionBase Unit NameBU-5BD23Optical Pick-up TypeKSS-213B/S-NTape deck Model Name Using Similar MachanismTXD-R11SectionTape Transport Mechanism TypeTCM-190RB52CDolby
2、noise reduction manufactured under license fromDolby Laboratories Licensing Corporation.“DOLBY” and the double-D symbol a are trademarks ofDolby Laboratories Licensing Corporation.SPECIFICATIONSRadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTSSpecifications . 11.SERVICING NOTE. 32.GENERALLocation and Func
3、tion of Controls . 43.DISASSEMBLY3-1. Front Panel Removal . 53-2. CD Mechanism Removal . 53-3. Mechanism Deck Removal. 64.ADJUSTMENTS4-1. Mechanical Adjustments . 74-2. Electrical Adjustments. 75.EXPLANATION OF IC TERMINALS .116.DIAGRAMS6-1. Printed Wiring Boards BD Section . 146-2. Schematic Diagra
4、m BD Section . 176-3. Schematic Diagram Main Section . 226-4. Printed Wiring Boards Main Section . 277.EXPLODED VIEWS7-1. Chassis Section . 307-2. Panel Section . 317-3. Mechanism Section -1 . 327-4. Mechanism Section -2 . 337-5. CD Mechanism Section -1. 347-6. CD Mechanism Section -2. 358.ELECTRICA
5、L PARTS LIST . 36Laser component in this product is capable of emitting radiationexceeding the limit for Class 1.This appliance is classified as aCLASS 1 LASER product.The CLASS 1 LASERPRODUCT MARKING is lo-cated on the rear exterior.CAUTIONUse of controls or adjustments or performance of procedures
6、 otherthan those specified herein may result in hazardous radiation ex-posure.This caution labelis located insidethe unit.SAFETY-RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINEWITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THEPARTS LIST ARE CRITICAL TO SAFE OPERATION.REPLACE T
7、HESE COMPONENTS WITH SONY PARTS WHOSEPART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR INSUPPLEMENTS PUBLISHED BY SONY.RadioFans.CN 收音机爱 好者资料库 3 SECTION 1SERVICING NOTENOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNITThe laser diode in the optical pick-up block may suffer electrostaticbreakdown b
8、ecause of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic breakdown and also usethe procedure in the printed matter which is included in the repairparts.The flexible board is easily damaged and sho
9、uld be handled withcare.NOTES ON LASER DIODE EMISSION CHECKThe laser beam on this model is concentrated so as to be focused onthe disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, ob-serve more than 30 cm away from the obje
10、ctive lens. CHUCK PLATE JIG ON REPAIRINGOn repairing CD section, playing a disc without the CD lid, useChuck Plate Jig.r Code number of Chuck Plate Jig : X-4918-255-1r Disc table getting out procedure on the power supply is OFF.12Disc table3 4 SECTION 2GENERALLOCATION AND FUNCTION OF CONTROLS3249! C
11、D operating buttons) button 0button buttonp(stop) buttonP(pause) button! RESET button! DISPLAY button! TIME button! EDIT/TIME FADE button CREAR button CHECK button PHONES jack PHONE LEVEL control1 POWER switch2 Disc tray3 PLAY MODE button4 OPEN/CLOSE button5 REPEAT button6 CD SYNCHRO button7 FADER b
12、utton8 ARL button9 Cassette deck! REC LEVEL control/AUTO indicator! DOLBY NR switch! DIRection MODE switch! Eject button! Tape operating buttonsrREC buttonRREC MUTE button0, )buttons, buttonsp(stop) buttonP(pause) button56 7 81! ! !This section is extracted frominstruction manual. 5 Note : Follow th
13、e disassembly procedure in the numerical order given.12Disc tableLoading panelChassisFront panel assy6Wire (Flat type) (7 core) to Main board (CN806)7Wire (Flat type) (23 core) to Main board (CN805)8Wire (Flat type) (7 core) to Main board (CN801)9Wire (Flat type) (9 core) to Main board (CN804)5 Scre
14、w (+BV TP 3 x 6)5 Three Screws (+BV TP 3 x 6)43ChassisCD Mechanism1 Four Screws (+BV TP 3 x 6)2 SN802 (6P)33-1. FRONT PANEL REMOVAL3-2. CD MECHANISM REMOVALSECTION 3DISASSEMBLY 6 Mechanism deck3 Two Screws (+BV TP 2.6 x 8)41 Press button23 Two Screws (+BV TP 2.6 x 8)Front panel assyCasstte lid assy3
15、-3. MECHANISM DECK REMOVAL 7 SECTION 4ADJUSTMENTS4-1. MECHANICAL ADJUSTMENTSPRECAUTION1. Clean the following parts with a denatured-alcohol-moistenedswab :record/playback headpinch rollererase headrubber beltscapstan2. Demagnetize the record/playback head with a head demagne-tizer.3. Do not use a ma
16、gnetized screwdriver for the adjustments.4. After the adjustments, apply suitable locking compound to theparts adjusted.5. The adjustments should be performed with the rated power sup-ply voltage unless otherwise noted. r Torque MeasurementModeTorque MeterMeter ReadingForwardCQ-102C30 to 65 gcm(0.42
17、 0.9 ozinch)ForwardCQ-102C1 to 7 gcmBack Tension(0.0134 0.097 ozinch)ReverseCQ-102RC30 to 65 gcm(0.41 0.9 ozinch)ReverseCQ-102RC1 to 7 gcmBack Tension(0.0134 0.097 ozinch)FF, REWCQ-201B70 to 120 gcm(0.972 1.66 ozinch)4-2. ELECTRICAL ADJUSTMENTS1. The adjustment should be performed in the publication
18、.(Be sure to make playback adjustment at first.)2. The adjustment and measurement should be performed forboth L-CH and R-CH.rSwitch positionDOLBY NR switch: OFFDIR MODE switch:Ar Standard record position :Deliver the standard input signal level to input jack and setthe REC LEVEL control to obtain th
19、e standard output signallevel as follows.Record ModesetTAPE OUT+TAPE INAF OSCattenuator600 10 k47 klevel meter r Standard Input LevelInput TerminalTAPE INsource impedance10kinput signal level0.5V (3.8dB)r Standard Output LevelOutput TerminalTAPE OUTload impedance47koutput signal level0.5V (3.8dB) r
20、Test tapeTapeContentsUseP-4-A10010 kHz,10dB Azimuth AdjustmentP-4-L300315Hz,0dBPB Level AdjustmentWS-48B3kHz,0dBTape Speed Adjustment 0dB=0.775VTC Test Modesetting :Push POWER button with STOP key and REC MUTEkey.function :r when start recording, COUNTER is set to “0000”and COUNTER MEMORY function i
21、s effective(“MEMORY” appears on FLD).r While playing or AMS, the signal level is displayed.(“L” / “H”) r Test tapeTapeContentsUseP-4-A10010 kHz,10dBHead Azimuth AdjustmentP-4-L300315Hz,0dBLevel AdjustmentWS-48B3kHz,0dBTape Speed Adjustment 0dB=0.775VRecord/Playback Head Azimuth Adjustment r Carrey o
22、ut servicing or repairs form the REVERSE directionfirst.Procedure :1. Mode : Forward playbacksetlevel meter+test tapeP-4A100(10kHz, 10dB)47 kTAPE OUT2. Turn the adjustment screw for the maximum output levels. Ifthese levels do not match, turn the adjustment screw until bothof output levels match tog
23、ether within 1dB.L-CHpeakR-CHpeakL-CHpeakR-CHpeakScrewpositionoutputlevelwithin1 dBwithin1 dBscrew angle 8 Sample Value of Wow and flutterW. RMS (JIS) within 0.3%(test tape : WS-48B)Playback Level AdjustmentProcedure :Mode : Playbacksetlevel meter+test tapeP-4-L300(315Hz, 0dB)47 kTAPE OUTAdjust RV11
24、 (L-CH) and RV21 (R-CH) so the level meter readingbecomes the adjustment limits below.Adjustment Level :TAPE OUT level : 7.7 0.5dB (0.301 to 0.338V)Level Difference between Channels : within 0.5dBConfirm the TAPE OUT level does not change in playback modewhile changing the mode from playback to stop
25、 several times.Adjustment Location : AUDIO board.(see page 9)Record Bias AdjustmentProcedure :1. Mode : RecordsetAF OSCattenuatorblank tapeCS-123600 10 k1) 315Hz2) 10kHz72.3mV (20.6dB)TAPE IN2. Mode : Playbacksetlevel meter+recordedportion47 kTAPE OUT3. Confirm playback the signal recorded in step 1
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