Sony-CDPXE700-cd-sm 电路图 维修手册.pdf

《Sony-CDPXE700-cd-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Sony-CDPXE700-cd-sm 电路图 维修手册.pdf（25页珍藏版）》请在收音机爱好者资料库上搜索。

1、 1 Model Name Using Similar MechanismCDP-XE800 CD Mechanism TypeCDM36-14 Base Unit TypeBU-14 Optical Pick-up TypeKSS-213B/S-N SPECIFICATIONS MICROFILM COMPACT DISC PLAYER CDP-XE700 AEP Model UK Model Compact disc player LaserSemiconductor laser ( = 780 nm) Emission duration: continuous Laser outputM

2、ax 44.6 W* * This output is the value measured at a distance 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 ratioMore than 102 dB Dynamic rangeMore the 98 dB Harmonic distortionLess than 0.0035% Chan

3、nel separationMore than 100 dB General Power requirements220 V 230 V AC, 50/60 Hz Power consumption12W Dimensions (approx.)430 1107 295 mm (w/h/d)(17 4 1/4 11 5/8 in.) incl. projecting parts Mass (approx.)3.6 kg (7 lbs 15 oz) Supplied accessories Audio cord (2 phono plugs2 phono plugs) (1) Remote co

4、mmander (RM-D820) (1) Sony SUM-3 (NS) batteries (2) Design and specifications are subject to change without notice. PHOTO : AEP model SERVICE MANUAL Outputs JackMaximumLoad typeoutputimpedance level LINE OUT Phono2 VOver 50 kilohms jacks(at 50 kilohms) DIGITAL Optical18 dBmWave length : 660 nm OUT o

5、utput (OPTICAL) connector PHONES Stereo10 mW32 ohms phone jack 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 PA

6、RTS WHOSE PART NUMBERS APPEAR AS SHOWN 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

7、specified herein may result in hazardous ra- diation 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

8、 during repairing. Do not touch the soldering 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. This caution label is located inside the unit. TABLE OF CONTENTS SectionTitlePage SECTION 1. SERVICING NOTE .3

9、 SECTION 2. GENERAL. 4 SECTION 3.DISASSEMBLY 3-1.Front Panel Assembly. 5 SECTION 4. TEST MODE.6 SECTION 5. ELECTRICAL BLOCK CHECKING.8 SECTION 6. DIAGRAMS 6-1.Circuit Boards Location . 10 6-2.IC Pin Function IC801 System Control, Fluorescent Indicator Tube Drive (CXP82316-069Q) . 11 6-3.Printed Wiri

10、ng Board BD Section . 13 6-4.Schematic Diagram BD Section . 15 6-5.Printed Wiring Board Main Section . 20 6-6.Schematic Diagram Main Section . 23 SECTION 7. EXPLODED VIEWS 7-1.Front Panel Section . 27 7-2.Chassis Section. 28 7-3.CD Mechanism Section (CDM36-14). 29 7-4.Base Unit Section (BU-14). 30 S

11、ECTION 8. ELECTRICAL PARTS LIST .31 ADVARSEL : USYNLIG LASERSTRLING VED BNING NR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDG UDSAETTELSE FOR STRLING. CAUTION : INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. VARO! : AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET A

12、LT- TIINA NKYMTTMLLE LASERSTEILYLLE. L KATSO STEESEEN. VARNING : OSYNLIG LASERSTRLING NR DENNA DEL R PP- NAD OCH SPRREN R URKOPPLAD. BETRAKTA EJ STRLEN. VORSICHT : UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEFFNET UND SICHEREITSVERRIEGELUNG BERBRCKT. NICHT DEM STRAHL AUSSETZEN. ADVARSEL : USYNLIG L

13、ASERSTRLING NR DEKSEL PNES OG SIKKERHEDSLS BRYTES. UNNG EKSPONERING FOR STRLEN. The laser component in this product is capable of emitting radiation exceeding the limit for Class 1. MODEL IDENTIFICATION BACK PANEL 4-978-904-1: AEP, German model 4-979-904-8: UK model RadioFans.CN 收音机爱 好者资料库 3 SECTION

14、 1 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF Insert a screwdriver into the aperture of the unit bottom, and move it in the direction of arrow. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic bre

15、akdown because of the potential difference generated by the charged electrostatic 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 da

16、maged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The 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

17、 cm away from the objective lens. LASER DIODE AND FOCUS SEARCH OPERATION CHECK Carry out the “S curve check” in “CD section adjustment” and check that the S curve waveform is output three times. RadioFans.CN 收音机爱 好者资料库 4 SECTION 2 GENERAL LOCATION OF PARTS AND CONTROLS Front Panel 12 3 4 5678 90 ! !

18、 1 POWER switch 2 PLAY MODE button 3 REPEAT button 4 FADER button 5 TIME button 6 Disc tray 7 Remote sensor 8 0/) buttons 9 Display window 0 CHECK button ! CLEAR button ! ENTER button ! AMS* knob ! p (stop) button ! P (pause) button ! (play) button ! OPEN/CLOSE button ! MUSIC SCAN button ! AUTO SPAC

19、E button PEAK SEARCH button EDIT/TIME FADE button PHONES jack (EXCEPT UK) * AMS is the abbreviation for Automatic Music Sensor. 5 SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. FRONT PANEL ASSEMBLY 1Push the part A in the direction of arrow to remove

20、 the loading panel upward. A part 6Two screws (BVTP2.6x8) 8Panel bracket 4Connector (CN751) Claw 3Screw (BVTP3x8) (AEP, G only) 2Three screws (BVTP3x8) 5Connector (CN302) (Flat type 23 core) Claw 7Wire 9Remove the front panel assembly with care to claws. 6 When the p button is pressed, the following

21、 will be displayed. (partial lighting 2) When the OPEN/CLOSE button is pressed, all will light up again. Key check All 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 “17”. It wil

22、l not count for buttons already pressed once, but will display the buttons number. SECTION 4 TEST MODE 4-1. AF MODE The following checks can be performed in the AF mode, which is set by connecting the TP2 (AFADJ) terminal on MAIN board to the Ground and turning on the power. FL tube check After all

23、segments light up, when the button is pressed, the following will be displayed. (Partial lighting 1) 24 6810 1214 161820 (Partial lighting 2) (Partial lighting 1)8 8 8 8 Remote commander check When the button of the remote commander is pressed, the “” lights up. All go off when the other buttons are

24、 pressed. Audio check Initial setting of digital filter and release of mute. When the TP2 (AFADJ) terminal on MAIN board is set to HIGH (VDD), emphasis turns on. When set to LOW (Ground), it turns off. TIME FADER REPEAT PLAY MODE EDIT/ TIME FADE PEAK SEARCH AUTO SPACE MUSIC SCAN P 00 01 02 03 ENTER

25、CLEAR CHECK ) 0 OPEN/ CLOSE PLAY STOP p 32 33 34 35 36 04 05 06 07 25 Button Button No. Displayed Button Button No. Displayed 88888888 Display of counting Display of button number All lit Partial lighting 1 Partial lighting 2 7 4-2. ADJ MODE The following operations are performed in the ADJ mode, wh

26、ich is set by connecting the TP1 (ADJ) terminal to the Ground and turning on the power. During playback, there is no problem even if the GFS is continu- ously LOW. High speed search is prohibited during access. During playback, the gain of focus servo and spindle servo does not decrease. Servo relat

27、ed manual operations and measurement can be performed. (For details of operations, refer to Table of Key Operrations in ADJ Mode.) 4-3. CLV-S MODE The spindle servo for playback sets into the CLV-S mode when the TP1 (ADJ) terminal is connected to Ground after turning on the power. TABLE OF BUTTON OP

28、ERATIONS IN ADJ MODE The jitter value display mode can be set after the all-music remaining number mode using the TIME button. The functions of the number buttons are shown in the following table. FUNCTIONS OF NUMBER BUTTONS (With the attached remote commander) MAIN BOARD Component Side CN302 IC920

29、TP1 (ADJ) TP2 (AFADJ) CN301 1 2 3 4 5 6 7 8 10 Focus bias 8-step up Middle of focus bias up/down turning point Tracking servo, sled servo off Auto gain initialization Focus servo off Focus bias 8-step down Immediate readjustment of focus bias Tracking servo, sled servo on Auto focus bias start point

30、 FunctionButton 8 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 more than 10M impedance. 4. Clean the obj

31、ect lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks. S Curve Check Procedure : 1. Connect oscilloscope to test point TP (FE) on BD board. 2. Connect between test point TP (FEI) and TP (VC) by lead wire. 3. Turned Power switch o

32、n. 4. Put disc (YEDS-18) in and turned Power switch on again and actuate the focus search. (actuate the focus search when disc table is moving in and out.) 5. Check the oscilloscope waveform (S-curve) is symmetrical between A and B. And confirm peak to peak level within 31 Vp-p. S-curve waveform 6.

33、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 waveform. RF Level Check Procedure : 1. Connect oscilloscope to

34、 test point TP (RF) on BD board. 2. Turned 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 signal level is correct or not. Note: A clear RF signal waveform means that the shape “” can be clearly distinguished at the

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

36、he 1 track jump mode) 5. Check the level B of the oscilliscopes waveform and the A (DC voltage) of the center of the Traverse waveform. Confirm the following : A/B x 100 = less than 22% 1 track jump waveform E-F Balance Check (With remote commander) Procedure : 1. Connect the test point TP1 (ADJ) on

37、 MAIN board to the ground with a lead wire on main board. 2. Connect oscilloscpe to test point TP (TE) 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 and the sledding servo are turned

38、OFF.) oscilloscope BD board TP (FE) TP (VC) symmetry A B within 3 1 Vp-p BD board TP (RF) TP (VC) oscilloscope level : 1.3 Vp-p VOLT/DIV : 200mV TIME/DIV : 500ns +0.25 0.20 oscilloscope BD board TP (TE) TP (VC) Center of the waveform 0V B level : 1.3 0.6 Vp-p symmetry A (DC voltage) oscilloscope BD

39、board TP (TE) TP (VC) 9 Center of the waveform B level : 1.3 0.6 Vp-p 0V 7. Press the “8” button. (The tracking servo and sledding servo are turned ON.) Confirm the C (DC voltage) is almost equal to the A (DC voltage) is step 6. Traverse waveform 8. Disconnect the lead wire of TP1 (ADJ) connected in

40、 step 1. 2. Turned Power switch on. 3. Put the disc (YEDS-18) in to play the number five track. Confirm that reading on frequency counter is 4.3218MHz. Adjustment Location : BD BOARD Side A IC102 TP (TE) TP (FE)TP (VC) TP (RF) MAIN BOARD Component Side 6. Check the level B of the oscilliscopes wavef

41、orm and the A (DC voltage) of the center of the Traverse waveform. Confirm the following : A/B x 100 = less than 22% Traverse waveform A (DC voltage) 0V RF PLL Free-run Frequency Check Procedure : 1. Connect frequency counter to test point (XPLCK) with lead wire. TP (XPLCK) IC101 TP (FEI) IC103 freq

42、uency counter BD board TP (XPLCK) CN301 CN302 TP1 (ADJ) TP2 (AFADJ) IC305 J401 IC920 C (DC voltage) Tracking servo Sledding servo ON Tracking servo Sledding servo OFF 10 KEY board SLED board DISPLAY board MAIN board SPINDLE board SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION POWER board BD board L

43、OADING board HP board 11 6-2.IC PIN FUNCTION IC801 SYSTEM CONTROL, FLUORESCENT INDICATOR TUBE DRIVE (CXP82316-069Q) Function Connected to +5V. Audio bus input. Connected to +5V. Not used. (open) Latch signal output to digital filter (IC303). Serial clock output. SENSE signal input. Serial data outpu

44、t. Read out clock output for subcode Q data. Subcode Q data input. Not used. (open) Analog muting control signal output. Optical pickup laser diode control output. Serial data latch signal output. Not used. (open) Remote commander volume +. (Not used) Remote commander volume . (Not used) Loading mot

45、or control signal output. Key input. (S801 to S810, S820 to S826, S828) ADJ, AFADJ test pin. Loading IN/OUT switch input. Reset signal input. Clock input. (4 MHz) Clock output. (4 MHz) Ground Not used. (open) Fluorescent Indicator Tube segment output. Fluorescent Indicator Tube grid output. 30V pin

46、for Fluorescent Indicator tube. Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 to 27 28 29 30 31 32 33 34 to 41 42 to 62 63 to 70 71 72 73 74 75 76 77 78 79 80 Pin Name TIMER RM (BUSIN) +5V OPEN OPEN (BUS-OUT) PRGL CLK SENSE DATA SQCK SUBQ OPEN AMUTE LDON XLT RVLED RV+ RV LDOUT LDI

47、N KEY0 to KEY5 ADJ/AFADJ IN/OUTSW RST EXTAL XTAL VSS OPEN S1 to S21 1G to 8G VFDP (30V) VDD (+5V) SEL1 IN PORT IN PORT IN PORT SCOR SEL2 SEL3 I/O I O O I O O I O O O O O O O I I I I O O O I +5V pin. Connected to Ground. Connected to +5V. Read out timing signal input for subcode Q data. Connected to Ground. Connected to Ground. 27 Ref. No.Part No.DescriptionRemark SECTION 7 EXPLODED VIEWS NOTE: Items mark