Sony-CDPXB630-cd-sm 电路图 维修手册.pdf

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1、CDP-XB630 AEP Model UK Model SERVICE MANUAL COMPACT DISC PLAYER MICROFILM SPECIFICATIONS Model Name Using Similar MechanismCDP-XE530 CD Mechanism TypeCDM14FL-5BD25 Base Unit TypeBU-5BD25 Optical Pick-up TypeKSS-213BA/F-NP Compact Disc Player LaserSemiconductor laser ( = 780 nm) Emission duration: co

2、ntinuous Laser outputMax 44.6 W* * This output is the value measured at a adistance of 200 mm from the objective lens surface on the Optical Pick-up block with 7 mm aperture. Frequency response2 Hz to 20 kHz 0.5 dB Signal-to-noise ratio More than 102 dB Dynamic rangeMore than 98 dB Harmonic distorti

3、on Less than 0.0045% Channel separationMore than 100 dB Output JackMaximumLoad typeoutputimpedance level LINE OUTPhono2VOver 50 k jacks(at 50 k) DIGITAL OUTOptical18 dBmWave length: (OPTICAL)output660 nm connector PHONESStereo10 mW32 phone jack General Power requirements220 V 230 V AC, 50/60 Hz Powe

4、r consumption11W Dimensions (approx.)430 115 290 mm (w/h/d)(17 4 5/8 11 1/2 in.) incl. projecting parts Mass (approx.)4.8 kg (10 lbs 9 oz) Supplied accessories Audio cord (2 phono plugs2 phono plugs) (1) Remote commander (remote) (1) R6 (size AA) batteries (2) Design and specifications are subject t

5、o change without notice. RadioFans.CN 收音机爱 好者资料库 2 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

6、IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardou

7、s radiation exposure. Notes on chip component replacement Never reuse a disconnected chip component. 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 270C during repairing. Do not touch the solde

8、ring iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. 1. SERVICING NOTE. 3 2. GENERAL. 6 3. DISASSEMBLY 3-1.Front Panel . 7 3-2.Base Unit (BU-5BD25) .7 4. TEST MODE. 8 5. ELECTRICAL BLOCK CHECKING. 10 6. D

9、IAGRAMS 6-1.Circuit Boards Location . 12 6-2.Schematic Diagram Loading Motor Section . 13 6-3.Printed Wiring Board Loading Motor Section . 13 6-4.Printed Wiring Board BD Section . 14 6-5.Schematic Diagram BD Section.15 6-6.Printed Wiring Board Main Section . 16 6-7.Schematic Diagram Main Section . 1

10、7 6-8.Printed Wiring Board Display Section . 18 6-9.Schematic Diagram Display Section . 19 6-10. Printed Wiring Board Power Section .20 6-11. Schematic Diagram Power Section . 20 6-12 IC Pin Functions. 21 6-13. IC Block Diagrams. 25 7. EXPLODED VIEWS 7-1.Front Panel and Case Section . 28 7-2.CD Mech

11、anism Section (CDM14FL-5BD25) . 30 7-3.Base Unit Section (BU-5BD25) . 31 8. ELECTRICAL PARTS LIST 32 TABLE OF CONTENTS RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF Insert a tapering driver into the aperture of the unit bottom, and turn in t

12、he direction of arrow. *To close the disc table, turn the driver in the reverse direction. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostat

13、ic load, etc. on clothing and the human body. During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The

14、laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. LASER DIODE AND FOCUS SEARCH OPERATION CHECK C

15、arry out the “S curve check” in “CD section adjustment” and check that the S curve waveform is output continuously. Pull out disc table. RadioFans.CN 收音机爱 好者资料库 4 Restrictions in CD-TEXT Display In this unit, some special characters will not be displayed properly. These will be displayed as a space

16、or a character resembling it. For details, refer to “Table 2 : CD-TEXT DISC Recorded Contents and Display”. Table 1 : CD-TEXT TEST DISC TEXT Data Contents (TRACKS No. 1 to 41:Normal Characters) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 TRACK No. Displayed Contents 22 23 24 25 26 27 28 29

17、 30 31 32 33 34 35 36 37 38 39 40 41 TRACK No. Displayed Contents 1kHz/0dB/L ?(38h to 3Fh) A B C D E F G(40h to 47h) H I J K L MNO(48h to 4Fh) P QR S T U VW(50h to 57h) X Y Z _(58h to 5Fh) a b c d e f g(60h to 57h) h i j k l m n o(68h to 6Fh) p q r s t u v w(70h to 77h) x y z I (78h to 7Fh) i (A0h t

18、o A7h) 8859-1 C PR (A8h to AFh) 23 (B0h to B7h) 1 (B8h to BFh) (C0h to C7h) (C8h to CFh) D (D0h to C7h) Y(D8h to DFh) (E0h to E7h) (E8h to FFh) (F0h to F7h) y(F8h to FFh) No.66 No.67 to No.99 TRACK No. Recorded contentsDisplay ! ” # $ % are not displayed A B C D E F G is not displayed H I J K L MNO

19、P QR S T U VW X Y Z / _ A B C D E F G H I J K L MNO P QR S T U VW X Y Z I are not displayed i are not displayed C P R are not displayed 2 3 are not displayed 1 are not displayed are not displayed D are not displayed Y are not displayed are not displayed are not displayed Y are not displayed N All th

20、e same N All the same to N All the same * 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 to 99 1 4 1 2 3 4 1 4 1 2 3 4 Table 2: CD-TEXT TEST DISC Recorded Contents and Display (In this unit, some special characters cannot be displayed. This is not a fault.) * . . 6 SEC

21、TION 2 GENERAL LOCATION OF PARTS AND CONTROLS 1U switch 2PLAY MODE button 3REPEAT button 4FADER button 5TIME/TEXT button 6Disc tray 70,) button 8EDIT/TIME FADE button 9CHECK button 0CLEAR button Front Panel !AMS knob (PUSH ENTER) !p (stop) button !P (pause) button ! (play) button ! OPEN CLOSE button

22、 !Window display !LANGUAGE button !MUSIC SCAN button !AUTO SPACE button PEAK SEARCH button PHONES jack * AMS is the abbreviation for Automatic Music Sensor. !?!?!?!?!? !?!? !?!? 0987632541 7 SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. FRONT PANEL

23、3-2. BASE UNIT (BU-5BD25) Tapering driver Loading part Loading panel 4 Remove the Base unit (BU-5BD25) to the direction of arrow. 1 Turn the cam to the direction of arrow (counter clock wise) by tapering driver. 2 Take off the disc table. 3 Yoke bracket BU-5BD25 In order to remove the front panel bl

24、ock when the power supply does not turn on, rotate the cam with tapering driver as the figure shows, and the loading part will be moved. Then pull out the loading part by your hand to remove the loading panel as the figure shows. After that take out the front panel block. 8 SECTION 4 TEST MODE Funct

25、ionButton Tracking servo, sled servo off Tracking servo, sled servo on S curve continuous output check mode 4 9 11 4-1. AF MODE The following checks can be performed in the AF mode, which is set by connecting the TP1 (AFADJ) terminal on MAIN board to the Ground and turning on the power. FL tube chec

26、k After all segments light up, when the button is pressed, the following will be displayed. (Partial lighting 1) When the p button is pressed, the following will be displayed. (partial lighting 2) The display will light up as follows (partial lighting 3) when the AMS knob is rotated to the right, an

27、d as follows (par- tial lighting 4) when rotated to the left. LANGUAGE MUSIC SCAN PEAK SEARCH PLAY MODE REPEAT TIME/TEXT FADER AUTO SPACE CLEAR CHECK 10 11 12 18 20 All lit Partial lighting 1 Partial lighting 2 Button Button No. Displayed 0 1 2 3 4 5 6 7 8 9 Button Button No. Displayed Remote comman

28、der check When buttons other than the button are pressed when the whole display is lit, the display will change to partial lighting 2. When the “” button is pressed, the display will light up as follows. (Partial lighting 5) When the OPEN/CLOSE button is pressed, all will light up again. Key check A

29、ll buttons have corresponding button numbers. When a button is pressed, the counter will count up and display the buttons num- ber. However, the counter will only count to “16”. It will not count for buttons already pressed once, but will display the buttons number. A B C D E F (Partial lighting 1)

30、(Partial lighting 2) JOG RIGHT JOG LEFT (Partial lighting 4) (Partial lighting 3) EDIT/ TIME FADE 0 ) P ENTER (AMS) OPEN/CLOSE PLAY STOP p 4-2. ADJ MODE The following operations are performed in the ADJ mode, which is set by connecting the TP2 (ADJ) terminal to the Ground and turning on the power. T

31、able of Button Operations in ADJ Mode The functions of the number buttons are shown in the following table. Function of Number Buttons (With the General Remote Commander) * NOTE : Other buttons are not used for servicing and should not be pressed without a reason. 42 1412 6810 161820 88 TOTAL?88 Dis

32、play of counting Display of button number ? ? ? 9 4-3. AGING MODE This unit is equipped with an aging mode to check operations of the mechanism deck. When faults occur: Aging stops, and the state when aging stopped is displayed on the fluorescent display tube. When no fault has occurred: Aging is co

33、ntinued repeatedly. Aging method 1 (When using the aging mode remote controller (J-2501-123-A): 1.Press the U button and turn 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 the fl

34、uorescent display tube. 5.To end, press the U button. Aging method 2 (When no aging mode remote controller): 1.Press the U button and turn ON the power. 2.Set the disc on the tray. 3.Press the OPEN/CLOSE button, p button, and MUSIC SCAN button at the same time. (If these buttons are not pressed at t

35、he same time, nothing performs.) 4.Aging starts and the message shown in Fig. 1 is displayed on the fluorescent display tube. 5.To end, press the U button. Fig. 1 Message in Aging Mode 0 1 2 3 4 5 6 Load in Access to TOC Access to last track Playback of last track (3 seconds) Access to first track P

36、layback of first track (3 seconds) Load out AGING-0 AGING-1 AGING-2 Counter display AGING-4 Counter display AGING-6 ERROR-0 ERROR-1 ERROR-2 ERROR-3 ERROR-4 ERROR-5 ERROR-6 Code No. State Display when normal Display when abnormal MAIN BOARD Component Side CN621 TP1 AFADJ TP2R622 ADJ 10 Procedure : 1.

37、Connect oscilloscpe to test point TP (TE) 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 the 1 track jump mode) 5.Check the level B of the oscilliscopes waveform and the A (DC voltage) of the center of the Traverse w

38、aveform. Confirm the following : A/B x 100 = less than 22% SECTION 5 ELECTRICAL BLOCK CHECKING Note: 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 mor

39、e than 10M impedance. 4.Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks. S Curve Check (With general remote commander) Procedure : 1.Connect oscilloscope to test point TP (FE) on BD board. 2.Connect the TP2 (AD

40、J) on MAIN board to the ground with a lead wire. 3.Turn Power switch on. 4.Put disc (YEDS-18) in press (play) button. 5.When the ! button of the remote commander is pressed, the S curve will be output continuously. 6.Check the oscilloscope waveform (S-curve) is symmetrical between A and B. And confi

41、rm peak to peak level within 3 Vp-p. S-curve waveform 7.After check, remove the lead wire connected in step 2. Note : Try to measure several times to make sure than the ratio of A : B or B : A is more than 10 : 7. Take sweep time as long as possible and light up the brightness to obtain best wavefor

42、m. oscilloscope BD board TP (FE) TP (VC) + 1.5 1 symmetry A B Within 3 Vp-p + 1.5 1 oscilloscope BD board TP (FE) TP (VC) symmetry S-curve waveform A B Within 3.8 1.1 Vp-p S Curve Check (Without general remote commander) Procedure : 1.Connect oscilloscope to test point TP (FE) on BD board. 2.Connect

43、 between test point TP (FEI) and TP (VC) by lead wire. 3.Connect both ends of TP R151 of the BD board to the lead wire. 4.Turn Power switch on. 5.Put disc (YEDS-18) in and actuate the focus search. (actuate the focus search when disc table is moving in and out.) 6.Check the oscilloscope waveform (S-

44、curve) is symmetrical between A and B. And confirm peak to peak level within 3.8 1 Vp-p. 7.After check, remove the lead wire connected in step 2 and 3. Note : Try to measure several times to make sure than the ratio of A : B or B : A is more than 10 : 7. Take sweep time as long as possible and light

45、 up the brightness to obtain best waveform. RF Level Check VOLT/DIV : 200mV TIME/DIV : 500ns level : 1.2 0.2 Vp-p oscilloscope BD board TP (TE) TP (VC) oscilloscope BD board TP (RF) TP (VC) Procedure : 1.Connect oscilloscope to test point TP (RF) on BD board. 2.Turn Power switch on. 3.Put disc (YEDS

46、-18) in to play the number five track. 4.Confirm that oscilloscope waveform is clear and check RF signal level is correct or not. Note: A clear RF signal waveform means that the shape “” can be clearly distinguished at the center of the waveform. RF signal waveform E-F Balance (1 Track Jump) Check (Without general remote commander) 11 E-F Balance Check (With general remote comman