Sony-CDPXE320-cd-sm 维修电路原理图.pdf

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1、 1 CDP-XE220/XE320AEP ModelUK ModelSPECIFICATIONSPhoto: CDP-XE320SERVICE MANUALCOMPACT DISC PLAYERModel Name Using Similar MechanismCDP-XE210/XE310CD Mechanism TypeCDM14FL-5BD29CBase Unit TypeBU-5BD29COptical Pick-up TypeKSS-213BA/F-NP9-922-805-122001E0200-1 2001.5Son y CorporationHome Audio Company

2、Shinagawa Tec Service Manual Production GroupVer 1.1 2001. 05RadioFans.CN 收音机爱 好者资料库 2 SAFETY-RELATED COMPONENT WARNING !COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINEWITH MARK ! ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS LIST ARE CRITICAL TO SAFE OPERATION.REPLACE THESE COMPONENTS WITH SONY PARTSWHO

3、SE PART NUMBERS APPEAR AS SHOWN IN THISMANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous ra-diation exposure.Notes on chip component replacement Never reuse a disconnected chip compon

4、ent. Notice that the minus side of a tantalum capacitor may be damaged by heat.Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270Cduring repairing. Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply for

5、ce on the conductor when soldering or unsoldering.Laser component in this product is capable of emitting radiationexceeding the limit for Class 1.This appliance is classified asa CLASS 1 LASER product.The CLASS 1 LASER PROD-UCT MARKING is located onthe rear exterior.The followingcaution label isloca

6、ted inside ofthe unit.PARTS No.MODELMODEL IDENTIFICATION BACK PANEL TABLE OF CONTENTS1. SERVICING NOTE. 32. GENERAL. 43. DISASSEMBLY3-1. Front Panel .53-2. Base Unit (BU-5BD29C) . 54. TEST MODE.65. ELECTRICAL BLOCK CHECKING. 86. DIAGRAMS6-1. Circuit Boards Location. 106-2. Printed Wiring Board CD Se

7、ction .116-3. Schematic Diagram CD Section .136-4. Printed Wiring Board Main Section . 156-5. Schematic Diagram Main Section . 176-6. Printed Wiring Board Panel Section .196-7. Schematic Diagram Panel Section . 216-8. IC Pin Functions .236-9. IC Block Diagrams .297. EXPLODED VIEWS7-1. Main Section .

8、327-2. CD Mechanism Section (CDM14FL-5BD29C) .337-3. Base Unit Section (BU-5BD29C) .348. ELECTRICAL PARTS LIST. 354-996-565-04-996-565-14-996-565-24-996-565-3XE320 : AEPXE320 : UKXE220 : AEPXE220 : UKParts No.RadioFans.CN 收音机爱 好者资料库 3 SECTION 1SERVICING NOTENOTES ON HANDLING THE OPTICAL PICK-UP BLOC

9、KOR BASE UNITThe laser diode in the optical pick-up block may sufferelectrostatic breakdown because of the potential differencegenerated by the charged electrostatic load, etc. on clothing andthe human body.During repair, pay attention to electrostatic breakdown and alsouse the procedure in the prin

10、ted matter which is included in therepair parts.The flexible board is easily damaged and should be handled withcare.NOTES ON LASER DIODE EMISSION CHECKThe laser beam on this model is concentrated so as to be focusedon the disc reflective surface by the objective lens in the opticalpick-up block. The

11、refore, when checking the laser diode emission,observe from more than 30 cm away from the objective lens.LASER DIODE AND FOCUS SEARCH OPERATIONCHECKCarry out the “S curve check” in “CD section adjustment” andcheck that the S curve waveform is output two times.HOW TO OPEN THE DISC TRAY WHEN POWER SWI

12、TCHTURNS OFFInsert a tapering driver into the aperture of the unit bottom, and turnin the direction of arrow.*To close the disc table, turn the driver in the reverse direction.Pull out disc table. 4 LOCATION OF PARTS AND CONTROLS11/u switch2DISC tray3PEAK SEARCH button4CHECK button5CLEAR button60,)

13、button7, AMS * knob(PUSH ENTER button)8p (stop) button9P (pause) button10 (play) button11 OPEN CLOSE button12 Display window13 TIME button14 REPEAT button15 PLAY MODE button* AMS is the abbreviation for Automatic Music Sensor.SECTION 2GENERALFront Panel23 4567891011121314151 5 SECTION 3DISASSEMBLYNo

14、te : Follow the disassembly procedure in the numerical order given.3-1. FRONT PANEL In order to remove the front panel block when the power supplydoes not turn on, rotate the cam with tapering driver as the figureshows, and the loading part will be moved.Then pull out the loading part by your hand t

15、o remove the loadingpanel as the figure shows. After that take out the front panel block.3-2. BASE UNIT (BU-5BD29C)Tapering driverLoading partLoading panel4 Remove the Base unit (BU-5BD29C) to the direction of arrow.1 Turn the cam to the direction of arrow (counter clock wise) by tapering driver.2 T

16、ake off the disc table.3 Yoke bracketBU-5BD29C 6 SECTION 4TEST MODE4-1. AF MODEThe following checks can be performed in the AF mode, which isset by connecting the TP2 (JW40 : AFADJ) terminal on MAIN boardto the Ground and turning on the power. FL tube checkAfter all segments light up, when the butto

17、n is pressed con-tinuously, the following will be displayed. (Partial lighting 1)When the p button is pressed continuously, the following will bedisplayed. (partial lighting 2)When the OPEN/CLOSE button is pressed continuously, allwill light up again. Key checkAll buttons have corresponding button n

18、umbers. When a buttonis pressed, the counter will count up and display the buttons num-ber. However, the counter will only count to “13”. It will not countfor buttons already pressed once, but will display the buttonsnumber.PENTER (AMS)0)TIMEREPEATPLAY MODE02040506070809PEAK SERCHCHECKCLEAROPEN/CLOS

19、E PLAY STOP p101112All litPartial lighting 1Partial lighting 2ButtonButton No.DisplayedButtonButton No.DisplayedWhen the AMS knob is rotated to the right, the music calendarchanges from 1 n n 20 n 1.When rotated to the left, it changes from 20 n 1 n 20 Remote commander checkWhen the button of the re

20、mote commander is pressed, the“” lights up. All go off when the other buttons are pressed.4-2. ADJ MODEThe following operations are performed in the ADJ mode, whichis set by connecting the TP3 (JW41 : ADJ) terminal to the Groundand turning on the power.FUNCTIONS OF NUMBER BUTTONS(With the general re

21、mote commander)8 8 8(Partial lighting 1)2468101214161820(Partial lighting 2)Display of counting888888Display of button numberFunctionButtonFocus bias adjustment plus (Not used in servicing)EF-BALANCE adjustment plus (Not used in servicing)Tracking servo offTracking gain adjusting plus (Not used in s

22、ervicing)Laser power control off (Not used in servicing)Focus bias adjustment minus (Not used in servicing)EF-BALANCE adjustment minus (Not used in servicing)Tracking servo onTracking gain adjustment minus (Not used in servicing)Laser power control on (Not used in servicing)123456789100123456Load in

23、Access to TOCAccess to last trackPlayback of last track(3 seconds)Access to first trackPlayback of first track(3 seconds)Load outA0A1A2Counter displayA4Counter displayA6E0E1E2E3E4E5E6CodeNo.StateDisplay whennormalDisplay whenabnormal4-3. AGING MODEThis unit is equipped with an aging mode to check op

24、erations of themechanism deck. When faults occur:Aging stops, and the state when aging stopped is displayed on thefluorescent display tube. When no fault has occurred:Aging is continued repeatedly.Aging method 1(When using the aging mode remote controller (J-2501-123-A):1. Press the 1/u button and t

25、urn ON the power.2. Set the disc on the tray.3. Press the AGING START button of the aging remote controller.4. Aging starts and the message shown in Fig. 1 is displayed on thefluorescent display tube.5. To end, press the 1/u button.Aging method 2 (When no aging mode remote controller):1. Press the 1

26、/u button and turn ON the power.2. Set the disc on the tray.3. Press the button, CHECK button, and PLAY MODE buttontogether in this order.4. Aging starts and the message shown in Fig. 1 is displayed on thefluorescent display tube.5. To end, press the 1/u button.Fig. 1 Message in Aging Mode 7 MAIN BO

27、ARD Component Side IC401CN402TP3(JW41: ADJ)TP2(JW40: AF ADJ) 8 SECTION 5ELECTRICAL BLOCK CHECKINGNote:1. CD Block is basically designed to operate without adjustment.Therefore, check each item in order given.2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.3. Use an oscilloscope with mo

28、re than 10M impedance.4. Clean the object lens by an applicator with neutral detergent whenthe signal level is low than specified value with the followingchecks.S Curve CheckProcedure :1. Connect oscilloscope to test point TP (FEO) on BD board.2. Connect between test point TP (FOK) and ground by lea

29、d wire.3. Turn Power switch on.4. Put disc (YEDS-18) in and turn Power switch on again and actu-ate the focus search. (actuate the focus search when disc table ismoving in and out.)5. Check the oscilloscope waveform (S-curve) is symmetricalbetween A and B. And confirm peak to peak level within 31Vp-

30、p.S-curve waveform6. After check, remove the lead wire connected in step 2.Note : Try to measure several times to make sure than the ratio of A : Bor B : A is more than 10 : 7. Take sweep time as long as possible and light up thebrightness to obtain best waveform.RF Level CheckProcedure :1. Connect

31、oscilloscope to test point TP (RF) on BD board.2. Turn Power switch on.3. Put disc (YEDS-18) in to play the number five track.4. Confirm that oscilloscope waveform is clear and check RF sig-nal level is correct or not.Note:A clear RF signal waveform means that the shape “” can be clearlydistinguishe

32、d at the center of the waveform. RF signal waveformE-F Balance (1 Track Jump) Check(Without remote commander)Procedure :1. Connect oscilloscpe to test point TP (TEO) on BD board.2. Turn Power switch on.3. Put disc (YEDS-18) in to play the number five track.4. Press the “P (Pause)” button. (Becomes t

33、he 1 track jump mode)5. Check the level B of the oscilliscopes waveform and the A (DCvoltage) of the center of the Traverse waveform.Confirm the following :A/B x 100 = less than 7% 1 track jump waveformE-F Balance Check (With remote commander)Procedure :1. Connect the test point TP3 (ADJ) on MAIN bo

34、ard to the groundwith a lead wire on main board.2. Connect oscilloscpe to test point TP (TEO) on BD board.3. Turn the Power switch on to set the ADJ mode.4. Put disc (YEDS-18) in to play the number five track.5. Press the “3” button. (The tracking servo is turned OFF.)oscilloscopeBD boardTP (FEO)TP

35、(VC)symmetryABWithin 3 1 Vp-poscilloscopeBD boardTP (RF)TP (VC)VOLT/DIV : 200mVTIME/DIV : 500nslevel : 1.3 0.3 Vp-poscilloscopeBD boardTP (TEO)TP (VC)0Vlevel : 500 100 mVp-pA (DC voltage)Center of the waveformBsymmetryoscilloscopeBD boardTP (TEO)TP (VC) 9 SECTION 6DIAGRAMS6-1. CIRCUIT BOARDS LOCATIO

36、N 10 6. Check the level B of the oscilliscopes waveform and the A (DCvoltage) of the center of the Traverse waveform.Confirm the following :A/B x 100 = less than 7%Traverse waveform7. Press the “8” button. (The tracking servo is turned ON.) Confirmthe C (DC voltage) is almost equal to the A (DC volt

37、age) is step6.Traverse waveform8. Disconnect the lead wire of TP3 (ADJ) connected in step 1.Adjustment Location : BD BOARD Side A MAIN BOARD Component Side 0VC (DC voltage)Tracking servo OFFTracking servo ON0Vlevel : 500 100 mVp-pA (DC voltage)Center of the waveformBMAIN boardPANEL boardLOADING boar

38、dPOWER SW boardBD boardTHIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note is printedin each block.)For schematic diagrams.Note: All capacitors are in F unless otherwise noted. pF: F50 WV or less are not indicated except for electrolyticsand t

39、antalums. All resistors are in and 1/4 W or less unless otherwisespecified.: internal component. C : panel designation. U : B+ Line. V : B Line. H : adjustment for repair. Voltages and waveforms are dc with respect to groundunder no-signal (detuned) conditions.no mark : STOP() : PLAY: can not to be

40、measured Voltages are taken with a VOM (Input impedance 10 M).Voltage variations may be noted due to normal produc-tion tolerances. Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances. Circled numbers refer to waveforms. Signal path.J: CDc: di

41、gital outNote: The components identified by mark ! or dotted linewith mark ! are critical for safety.Replace only with part number specified.For printed wiring boards.Note: X : parts extracted from the component side. Y : parts extracted from the conductor side.p: parts mounted on the conductor side

42、.: Through hole. b : Pattern from the side which enables seeing.(The other layers patterns are not indicated.)IC103 MDP12345WAVEFORMS CD SECTION IC101 # RFOIC101 2 FEIIC101 $ TEIIC103 RFCK6IC103 XPCK7IC103 & WFCKIC103 * XTAI81IC501 # EXTAL PANEL SECTION 500mV/DIV, 500nsec/DIV1.3Vp-p200mV/DIV, 1sec/D

43、IV0.5Vp-p50mV/DIV, 1msec/DIV0.2Vp-p7.8sec2.5Vp-p230sec5Vp-p135sec5Vp-p135sec5Vp-p16.9344MHz2.6Vp-p4MHz4.2Vp-p(VC)(RF)(FOK)(TEO)(FEO)IC101IC401CN402TP3 (JW41: ADJ)TP2 (JW40: AF ADJ) 11 12 CDP-XE220/XE3206-2. PRINTED WIRING BOARD CD SECTION See page 10 for Circuit Boards Location.Ref. No.Location Semi

44、conductorLocationIC101C-1IC102B-1IC103C-2Q101C-6 Indication of transistorQCThese are omittedEB(Page 15) 13 14 CDP-XE220/XE3206-3. SCHEMATIC DIAGRAM CD SECTION See page 10 for Waveforms. See page 23 for IC Pin Functions. See page 29 for IC Block Diagrams.(Page 18) 15 16 CDP-XE220/XE3206-4. PRINTED WI

45、RING BOARD MAIN SECTION See page 10 for Circuit Boards Location.Ref. No.Location SemiconductorLocationD401E-2D402E-2D403B-3D404E-2D701E-5D702E-5D703D-5D704D-5D705D-5D706C-5D901C-7D902C-7D903D-7D904D-7D905C-7IC301B-7IC302B-7IC303A-9IC401B-3IC701C-6Q302B-8Q303B-8Q304C-7Q352B-8Q353B-8Q354A-5Q401E-3Q402

46、E-3Q701C-5 Indication of transistorCThese are omittedEB12(21)S152LOADINS151LOADOUTCN15115M151LOADINGMOTORMLOADING BOARD1-645-721-(Page 20)(Page 11) 17 18 CDP-XE220/XE3206-5. SCHEMATIC DIAGRAM MAIN SECTION See page 31 for IC Block Diagrams.(Page 14)(Page 21) 19 20 CDP-XE220/XE3206-6. PRINTED WIRING B

47、OARD PANEL SECTION See page 10 for Circuit Boards Location. Indication of transistorCThese are omittedEB(Page 15) 21 22 CDP-XE220/XE3206-7. SCHEMATIC DIAGRAM PANEL SECTION See page 10 for Waveforms. See page 28 for IC Pin Functions.(Page 18) 23 24 6-8. IC PIN FUNCTIONS IC101 FOCUS/TRACKING/SLED SERV

48、O RF AMP (CXA1992AR)Pin No.Pin NameI/OFunctionFEOFEIFDFCTFGDFLBFE OFE MSRCHTGUTG2FSETTA MTA OSL PSL MSL OISETVCCLOCKCLKXLTDATAXRSTC.OUTSENS1SENS2FOKCC2CC1CBCPRF IRF OOIIIIOIIIIIIOIIOIIIIIIIOOOOIOIIIO123456789101112131415161718192021222324252627282930313233Focus error amplifier outputConnected intern

49、ally to the window comparator input for bias adjustmentFocus error inputCapacitor connection pin for defect time constantGround this pin through a capacitor for cutting the focus servo high-frequency gainExternal time constant setting pin for boosting the focus servo low-frequencyFocus drive outputF

50、ocus amplifier inverted inputExternal time constant setting pin for generating focus search waveformExternal time constant setting pin for switching tracking high-frequency gainExternal time constant setting pin for switching tracking high-frequency gainPeak frequency setting pin for focus and track