Sharp-CDBA3000-cs-sm 电路图 维修手册.pdf

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1、No. S5044CDBA3000 CONTENTS Page SPECIFICATIONS . 2 NAMES OF PARTS . 3 OPERATION MANUAL . 5 DISASSEMBLY. 6 REMOVING AND REINSTALLING THE MAIN PARTS. 9 ADJUSTMENT . 10 BLOCK DIAGRAM . 13 SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD.16 VOLTAGE . 34 NOTES ON SCHEMATIC DIAGRAM . 35 WAVEFORMS OF CD CIRCUI

2、T. 36 TROUBLESHOOTING (CD SECTION) . 37 FUNCTION TABLE OF IC. 41 FL DISPLAY.47 REPLACEMENT PARTS LIST/EXPLODED VIEW MINI COMPONENT SYSTEM MODEL CD-BA3000 In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used. SERVICE

3、MANUAL This document has been published to be used for after sales service only. The contents are subject to change without notice. SHARP CORPORATION CD-BA3000 Mini Component System consisting of CD-BA3000 (main unit), CP-BA3000 (speaker system). CD-BA3000 RadioFans.CN 收音机爱 好者资料库 CD-BA3000 2 FOR A C

4、OMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. Specifications for this model are subject to change without prior notice. SPECIFICATIONS CD-BA3000 CP-BA3000 G General Power source:AC 120 V, 60 Hz Power consumption: 210 W Dimensions:Width; 270 mm (10-5/8) Heig

5、ht; 330 mm (13) Depth; 332 mm (13-1/16) Weight:9.8 kg (21.5 lbs.) G Amplifier section Output power:RMS; 300 W (150 W + 150 W) (10 % T.H.D) Output terminals:Speakers; 6 ohms Headphones; 16-50 ohms (recommended; 32 ohms) CD digital output (optical) Input terminals:Video/Auxiliary (audio signal); 500 m

6、V/47 kohms G Compact disc player section Type:3-disc multi-play compact disc player Signal readout:Non-contact, 3-beam semiconductor laser pickup D/A converter:1-bit D/A converter Frequency response: 20 - 20,000 Hz Dynamic range:90 dB (1 kHz) G Tuner section Frequency range:FM; 87.5-108 MHz AM; 530-

7、1,720 kHz G Cassette deck section Frequency response: 50-14,000 Hz (Normal tape) Signal/noise ratio:55 dB (TAPE 1, playback) 50 dB (TAPE 2, recording/playback) Wow and flutter:0.3 % (WRMS) Type:3-way type 20 cm (8) woofer, 8 cm (3) tweeter and super tweeter Maximum input power:300 W Rated input powe

8、r:150 W Impedance:6 ohms Dimensions:Width; 250 mm (9-13/16) Height; 330 mm (13) Depth; 335 mm (13-1/4) Weight:6.1 kg (13.4 lbs.)/each RadioFans.CN 收音机爱 好者资料库 3 CD-BA3000 NAMES OF PARTS CD-BA3000 APE I Front panel 01. (CD) Disc Tray 02. (CD) Disc Skip Button 03. (CD) Disc Number Select Buttons 04. (C

9、D) Open/Close Button 05. Extra Bass Indicator 06. Spectrum Analyzer/Volume Level Indicator 07. (CD) Disc Number Indicators 08. (CD/TUNER) Memory Indicator 09. (TAPE 2) Record Indicator 10. (CD) Play Indicator 11. (CD) Music Schedule Indicators 12. (CD) More Tracks Indicator 13. (CD) Pause Indicator

10、14. (TAPE) Play Indicator 15. (CD) Repeat Indicator 16. Sleep Indicator 17. FM Stereo Mode Indicator 18. FM Stereo Indicator 19. Timer Record Indicator 20. Timer Play Indicator 21. On/Stand-by Button 22. Clock Button 23. Timer/Sleep Button 24. Dimmer Button 25. Extra Bass/Demo Mode Button 26. Equali

11、zer Mode Selector Button 27. Volume Control 28. Headphone Socket 29. Function Selector Buttons 30. Tuning and Time Up/Down Buttons 31. (CD) Track Down/Review Button (TUNER) Preset Down Button (TAPE 2) Rewind Button 32. Memory/Set Button 33. (CD/TAPE) Stop Button 34. Timer Set Indicator 35. (CD) Play

12、/Repeat Button (TAPE) Play Button 36. (TAPE 2) Record/Pause Button 37. (CD) Track Up/Cue Button (TUNER) Preset Up Button (TAPE 2) Fast Forward Button 38. (TAPE 1) Cassette Compartment 39. (T2) Cassette CompartmentAPE RadioFans.CN 收音机爱 好者资料库 CD-BA3000 4 CP-BA3000 I Rear panel 01. AC Power Lead 02. CD

13、 Digital Output Socket 03. FM/AM Loop Aerial Socket 04. Video/Auxiliary (Audio Signal) Input Sockets 05. Speaker Terminals 11. Super Tweeter 12. Tweeter 13. Woofer 14. Bass Reflex Ducts 15. Speaker Terminals I Remote control 01. Remote Control Transmitter LED G CD control section 02. Disc Number Sel

14、ect Buttons 03. Memory Button 04. Pause Button 05. Clear Button 06. Track Down/Review Button 07. Track Up/Cue Button 08. Disc Skip Button 09. Play/Repeat Button 10. Stop Button 11. Random Button G Tuner control section 12. Preset Up/Down Buttons G Tape control section 13. (TAPE 1) Play Button 14. (T

15、APE 2) Record Pause Button 15. (TAPE 1/2) Stop Button 16. (TAPE 2) Play Button 17. (TAPE 2) Rewind Button 18. (TAPE 2) Fast Forward Button G Common section 19. Equalizer Mode Selector Button 20. Function Selector Buttons 21. On/Stand-by Button 22. Extra Bass Button 23. Volume Up/Down Buttons 1 8 3 4

16、10 9 5 6 7 11 12 13 1416 17 18 20 2123 2 15 22 19 CD-BA3000 5 CD-BA3000 OPERATION MANUAL SETTING THE CLOCK In this example, the clock is set for the 12-hour (AM 12:00) system. 1Press the ON/STAND-BY button to enter the stand-by mode. 2Press the CLOCK button. 3Within 5 seconds, press the MEMORY/SET b

17、utton. 4Press the TUNING/TIME ( or ) button to select the time display mode. “AM 12:00” The 12-hour display will appear. (AM 12:00 - PM 11:59) “AM 0:00”The 12-hour display will appear. (AM 0:00 - PM 11:59) “0:00”The 24-hour display will appear. (0:00 - 23:59) G Note that this can only be set when th

18、e unit is first in- stalled or it has been reset. 5Press the MEMORY/SET button. 6Press the TUNING/TIME () button to adjust the hour. G Press the TUNING/TIME () button once to ad- vance the time by 1 hour. Hold it down to advance con- tinuously. G When the 12-hour display is selected, “AM” will chang

19、e automatically to “PM”. 7Press the MEMORY/SET button. 8Press the TUNING/TIME () button to adjust the min- utes. G Press the TUNING/TIME () button once to ad- vance the time by 1 minute. Hold it down to change the time in 5 minute intervals. G The hour setting will not advance even if minutes advanc

20、e from “59” to “00”. 9Press the MEMORY/SET button. G The clock starts operating from “0” second. (Seconds are not displayed.) And then the clock display will disappear after a few sec- onds. To see the time display: Press the CLOCK button. G The time display will appear for about 5 seconds. Note: G

21、The clock display will flash on and off at the push of the CLOCK button when the AC power supply is restored after a power failure occurs or after the AC power lead is discon- nected. If this happens, follow the procedure below to change the clock time. To change the clock time: 1Press the CLOCK but

22、ton. 2Within 5 seconds, press the MEMORY/SET button. 3Perform steps 6 - 9 above. To change the time display mode: 1Perform steps 1 - 2 in the section “RESETTING THE MI- CROCOMPUTER”. 2Perform steps 1 - 9 above. (Main unit operation) or or or or 0.2 m - 6 m (8 - 20) IRemote control Notes concerning u

23、se: G Replace the batteries if the operating distance is reduced or if the operation becomes erratic. G Periodically clean the transmitter LED on the remote con- trol and the sensor on the main unit with a soft cloth. G Exposing the sensor on the main unit to strong light may interfere with operatio

24、n. Change the lighting or the direction of the unit. G Keep the remote control away from moisture, excessive heat, shock, and vibrations. PREPARATION FOR USE RESETTING THE MICROCOMPUTER Reset the microcomputer under the following con- ditions: G To erase all of the stored memory contents (clock and

25、timer settings, and tuner and CD presets). G If the display is not correct. G If the operation is not correct. 1Press the ON/STAND-BY button to enter the stand-by mode. 2Whilst pressing down the button and the X-BASS/ DEMO button, hold down the ON/STAND-BY button for at least 1 second. G “CLEAR AL”

26、will appear. Caution: G The operation explained above will erase all data stored in memory including clock and timer settings, and tuner and CD presets. CD-BA3000 6 1Top Cabinet1. Screw . (A1) x46-1 2Side Panel1. Screw . (B1) x86-1 (Left/Right) 3CD Player Unit/1. Turn on the power supply,6-2 CD Tray

27、 Cover open the disc tray, take out the CD tray cover, and close. (Note 1) 2. Screw . (C1) x1 3. Hook. (C2) x3 4. Hook. (C3) x2 5. Connector . (C4) x3 4Rear Panel with1. Screw . (D1) x76-2 Fan Motor2. Connector . (D2) x1 5Main PWB1. Screw . (E1) x17-2 2. Connector . (E2) x3 3. Tip Wire. (E3) x1 4. F

28、lat Cable . (E4) x1 6Power Supply PWB1. Screw . (F1) x67-3 2. Connector . (F2) x3 3. Flat Wire. (F3) x1 4. Holder . (F4) x2 7Front Panel1. Screw . (G1) x27-3 2. Hook. (G2) x2 8Volume Motor1. Knob. (H1) x17-4 Assy/2. Screw . (H2) x4 Volume Motor3. Connector . (H3) x1 4. Belt . (H4) x1 5. Screw . (H5)

29、 x2 9Switch PWB1. Screw . (J1) x27-4 2. Bracket . (J2) x1 10Display PWB/1. Screw . (K1) x57-4 Headphones PWB2. Bracket . (K2) x1 3. Flat Cable . (K3) x1 11Tape Mechanism1. Open the cassette holder.7-4 2. Screw. (L1) x5 12Turntable1. Hook. (M1) x27-5 2. Cover . (M2) x1 13Disc Tray1. Turn fully the lo

30、ck lever in the6-3 arrow direction. 2.While holding the lock lever,rotate7-1 the cam gear until the cam gear rib engages with the clamp lever. 3. Push the slide holder backward to7-6 engage the claw with the groove and remove it in the direction of the arrow. .(N1) x6 14CD Servo PWB1. Hook. (P1) x28

31、-1 (Note 2)2. Socket . (P2) x4 15CD Mechanism1. Hook. (Q1) x28-2 2. Hook. (Q2) x3 16Loading Motor PWB1. Hook. (R1) x58-2 DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take cass

32、ette tape and compact disc out of the unit. 2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit. 3. Take off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the l

33、eads where they were before disassembling. 4. Take sufficient care on static electricity of integrated circuits and other circuits when servicing. Figure 6-2 Figure 6-3 CD-BA3000 STEPREMOVALPROCEDUREFIGURE Figure 6-1 CD-BA3000 Note 1: How to open the changer manually. (Fig. 6-3) 1. In this state, tu

34、rn fully the lock lever in the arrow direction through the hole on the loading chassis bottom. 2. While holding the lock lever, rotate the cam gear anticlockwise until the cam gear rib engages with the clamp lever. (Fig. 7-1) 3. After that, push forward the CD slide holder. Note 2: 1. After removing

35、 the connector for the optical pickup from the connector, wrap the conductive aluminium foil around the front end of the connector so as to protect the optical pickup from electro- static damage. Note 3: 1. Be careful not to break the claw of the CD mechanism. 2. When fining back the cam gear assemb

36、ly, let it lock by front movement. (B1)x4 3x10mm (B1)x2 3x10mm Rear Panel (B1)x2 3x10mm Side Panel (Right) Side Panel (Left) (A1)x2 3x12mm (A1)x2 3x12mm Top Cabinet (C3)x1 (D1)x2 3x10mm CD Player Unit CD Tray Cover Pull (C3) x1 (C4)x3 1 1 2 CD Servo PWB (C1)x1 3x10mm (D1)x5 3x10mm Power Supply PWB (

37、D2)x1 Rear Panel Main PWB (C2) x2 (C2) x1 Lock Lever CD Player Unit (Bottom View) 7 CD-BA3000 Figure 7-1 Figure 7-2 Figure 7-3 Figure 7-4 Figure 7-5 Figure 7-6 Clamp Lever Cam Gear Rib CD Player Unit (Top View) (E2)x2 (E4)x1 (E3)x1 Main PWB Power Supply PWB Power Supply PWB (E2)x1 (E1)x1 3x10mm (F1)

38、x4 3x10mm (G1)x2 3x10mm (F2)x3 (F3)x1 (G2)x1 (F4)x1 Push Power Supply PWB Headphones PWB Display PWB (F1)x2 3x6mm (G2)x1 (F4)x1 Power Transformer PWB Headphones PWB (K2)x1 (K3)x1 (H2)x4 3x12mm (H5)x2 2x5mm (H3)x1 (H1)x1 (H4)x1 Volume Motor Assy Volume Motor (L1)x5 3x10mm (K1)x5 3x10mm (J1)x2 3x10mm

39、(J2)x1 Display PWB Switch PWB Open Cassette Holder Tape Mechanism Turntable Disc Tray (M2) x1 CD Player Unit (M1) x2 1 3 2 (N1) x3 (N1) x3 Disc Tray CD-BA3000 8 1Front Panel1. Net Frame Assy . (A1) x18-3 2. Caching Holder . (A2) x4 3. Screw . (A3) x4 2Tweeter1. Screw . (B1) x48-4 3Super Tweeter1. Sc

40、rew . (C1) x28-4 4Woofer1. Screw . (D1) x48-4 STEPREMOVALPROCEDUREFIGURE Figure 8-3 Figure 8-1Figure 8-2 CP-BA3000 Figure 8-4 (P2) x2 (P1) x2 (P2) x2 CD Servo PWB CD Player Chassis (Q2) x3 (Q1) x1 (R1) x5 (Q1) x1 Loading Motor PWB CD Mechanism (A3)x4 4x20mm (A2)x4 (A1)x1 (C1)x2 3x10mm (B1)x4 3x10mm (D1)x4 4x12mm Woofer Front Panel Tweeter Super Tweeter 9 CD-BA3000 REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION Perform steps 1 to 7 and 11 of the disassembly method to remo