Sharp-CPC662-cs-sm 电路图 维修手册.pdf

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1、 1 CD-C662 No. S4917CDC662/ CONTENTS Page IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY). 2 SPECIFICATIONS . 2 NAMES OF PARTS . 3 OPERATION MANUAL . 5 QUICK GUIDE (FOR U.S.A. ONLY) . 6 DISASSEMBLY. 7 REMOVING AND REINSTALLING THE MAIN PARTS. 10 ADJUSTMENT . 10 NOTES ON SCHEMATIC DIAGRAM . 13 WAVEFORMS OF

2、 CD CIRCUIT. 14 BLOCK DIAGRAM . 15 SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD.18 TROUBLESHOOTING (CD SECTION) . 36 FUNCTION TABLE OF IC. 41 FL DISPLAY.48 REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF THE SET (FOR U.S.A. ONLY) CD-C662 In the interests of user-safety the set should be restored to it

3、s original condition and only parts identical to those specified be used. SERVICE 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-C662 mini component system consisting of CD-C662 (Main unit) and

4、CP-C662 and (Speaker system). RadioFans.CN 收音机爱 好者资料库 CD-C662 2 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO PRODUCT (Fire 9-13/16 (250 mm) Height; 13 (330 mm) Depth; 13-1/14 (335

5、mm) Weight:13.4 lbs. (6.1 kg)/each CP-C662 General Power source:AC 120 V, 60 Hz Power consumption:Stand-by; 0.3 W Power on; 210 W Dimensions:Width; 10-5/8 (270 mm) Height; 13 (330 mm) Depth; 14-1/8 (358 mm) Weight:22.0 lbs. (10.0 kg) Amplifier section Output power:150 watts minimum RMS per channel i

6、nto 6 ohms from 60 Hz to 20 kHz, 10 % total harmonic distortion Output terminals:Speakers; 6 ohms Headphones; 16-50 ohms (recommended; 32 ohms) CD digital output (optical) Input terminal:Video/Auxiliary (audio signal); 500 mV/47 kohms Tuner section Frequency range:FM; 87.5 - 108 MHz AM; 530 - 1,720

7、kHz 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:0.15 % (WRMS) Specifications for this model are subject to change without prior notice. SPECIFICATIONS CD-C662 RadioFans.CN 收音机爱 好

8、者资料库 3 CD-C662 NAMES OF PARTS Rear Panel 38. CD Digital Output Socket 39. AC power lead 40. FM/AM Loop Aerial Socket 41. Video/Auxiliary (Audio Signal) Input Sockets 42. Speaker Terminals Front Panel 1. Disc Number Selector Buttons 2. Disc Tray 3. Multi Indicator 4. Disc Skip Button 5. Open/Close Bu

9、tton 6. Extra Bass Indicator 7. FM Stereo Mode Indicator 8. FM Stereo Indicator 9. (CD) Repeat Indicator 10. (CD) Play Indicator 11. (CD) Pause Indicator 12. Spectrum Analyzer/Volume Level Indicator 13. (TAPE 2) Record Indicator 14. (CD) Disc Number Indicators 15. (CD/TUNER) Memory Indicator 16. Tim

10、er Play Indicator 17. Timer Record Indicator 18. Sleep Indicator 19. (CD) Track Down/Review Button (TUNER) Preset Down Button (TAPE 2) Rewind Button 20. (CD/TAPE) Stop Button 21. (TAPE) Play Button (CD) Play/Repeat Button 22. (CD) Track Up/Cue Button (TUNER) Preset Up Button (TAPE 2) Fast Forward Bu

11、tton 23. Timer/Sleep Button 24. Clock Button 25. Timer Set Indicator 26. Power Button 27. Function Selector Buttons 28. Equalizer Mode Selector Button 29. Dimmer Button 30. Extra Bass/Demo Mode Button 31. Headphones Socket 32. (TAPE 2) Record Pause Button 33. Memory/Set Button 34. Tuning and Time Up

12、/Cue Buttons 35. Volume Control 36. (TAPE 1) Cassette Compartment 37. (TAPE 2) Cassette Compartment CD-C662 14 523 6 7 8 9 10 11 1213 17 18 14 15 16 192021 33 23 2429 28 25 30 3531 22 3234 26 27 3736 39 41 38 40 42 RadioFans.CN 收音机爱 好者资料库 CD-C662 4 CP-C662 Front Speaker 1. Tweeter 2. Woofer 3. Bass

13、Reflex Ducts 4. Speaker Terminals Remote Control 1. Remote Control Transmitter LED CD Control section 2. Disc Number Select Buttons 3. Memory Button 4. Pause Button 5. Clear Button 6. Track Down/Review Button 7. Track Up/Cue Button 8. Disc Skip Button 9. Play/Repeat Button 10. Stop Button 11. Random

14、 Button Tuner control section 12. Preset Up/Down Buttons Tape control section 13. (TAPE 1) Play Button 14. (TAPE 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 Common section 19. Equalizer Mode Selector Button 20

15、. Function Selector Buttons 21. Power Button 22. Extra Bass Button 23. Volume Up/Down Buttons 1 2 4 3 1 8 3 410 9 5 6 7 11 12 13 1416 17 18 20 2123 2 15 22 19 5 CD-C662 OPERATION MANUAL SETTING THE CLOCK 1Press the POWER button to enter the stand-by mode. 2Press the CLOCK button. 3Within 5 seconds,

16、press the MEMORY/SET button. 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) Note that this can o

17、nly be set when the unit is first installed or it has been reset. 5Press the MEMORY/SET button. 6Press the TUNING/TIME ( or ) button to adjust the hour. Press the TUNING/TIME ( or ) button once to advance the time by 1 hour. Hold it down to advance continuously. When the 12-hour display is selected,

18、 AM will change auto- matically to PM. 7Press the MEMORY/SET button. 8Press the TUNING/TIME ( or ) button to adjust the minutes. Press the TUNING/TIME ( or ) button once to advance the time by 1 minute. Hold it down to change the time in 5 minute intervals. The hour setting will not advance even if

19、minutes advance from 59 to 00. 9Press the MEMORY/SET button. The clock starts operating from 0 seconds. (Seconds are not displayed.) Note: In the event of a power failure or when the AC power cord is disconnected, the clock display will go out. When the AC power supply is restored, the clock display

20、 will flash on and off to indicate the time when the power failure occurred or when the AC power cord was disconnected. CLOCK POWER MEMORY/ SET TUNING/ TIME ( ) AM 12:00AM 0:000:00 2 3 4 7 6 5 8 9 If this happens, follow the procedure below to change the clock time. To change the clock time: Press t

21、he CLOCK button. Within 5 seconds, press the MEMORY/SET button. Perform steps 6 - 9 above. To see the time display: Press the CLOCK button. The time display will appear for about 5 seconds. To change the time display mode: Perform steps 1 - 2 in the section RESETTING THE MICROCOMPUTER, on page 15. P

22、erform steps 1 - 9 above. (Main unit operation) In this example, the clock is set for the 12-hour (AM 12:00) system. 1 2 1 2 3 2 1,2 RESETTING THE MICROCOMPUTER Reset the microcomputer under the following conditions: To erase all of the stored memory contents (clock and timer settings, and tuner and

23、 CD presets). If the display is not correct. If the operation is not correct. 1Press the POWER button to enter the stand-by mode. 2While pressing down the button and the button, hold down the POWER button for at least 1 second. Caution: The operation explained above will erase all data stored in mem

24、ory including clock and timer settings, and tuner and CD presets. CD-C662 6 SPEAKERS LEFTRIGHT RATED SPEAKER INPEDANCE : 6 OHMS MIN. MINI COMPONENT SYSTEM Quick Guide/Gua rpidaCD-C662 Remote control x 1 Controlador remoto x 1 2 “AA” batteries Dos pilas “AA” Remote Sensor Sensor remoto 2Preparation f

25、or use / Preparacin para su uso 1Check the supplied accessories / Compruebe los accesorios suministrados FM/AM loop antenna x 1 Antena de cuadro de FM/AM x 1 Batteries are not included. Las pilas no estn incluidas. 8” - 20 (0.2m - 6m) 0,2m - 6m Speaker connection Conexin de los altavoces Antenna con

26、nection Conexin de las antenas Right speaker Altavoz derecho Left speaker Altavoz izquierdo AM Loop Antenna Antena de cuadro de AM FM Antenna Antena de FM AC 120 V, 60 Hz 120 V de CA, 60 Hz Turning the power on and off Conexin y desconexin de la alimentacin Remote control Controlador remoto POWER Sp

27、eaker wire x 2 Cable de altavoz x 2 Red Rojo Black Negro Red Rojo Black Negro Red Rojo 15 15 3Listening to a CD / Audicin de discos CD 4Listening to a tape / Audicin de una cinta 5Listening to the radio / Audicin de la radio 6Recording from CDs / Grabaciones de discos CD 7Sound control / Control del

28、 sonido Label facing up Etiqueta hacia arriba To stop the playback Para detener la reproduccin To stop the recording Para detener la grabacin Load the disc to be recorded. Introduzca el disco que va a grabar. CD recording starts. La grabacin de CD empieza. Volume Volumen Extra bass (X-BASS) Graves e

29、xtra (X-BASS) Pre-programmed equalizer Ecualizador preprogramado FLATHEAVY-1HEAVY-2 SOFT-2SOFT-1VOCAL To stop the playback Para detener la reproduccin TAPE 1TAPE 2 TAPE 2 VOLUME 7 CD-C662 DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling

30、 it, to keep it safe and ensure excellent performance: 1. Take cassette 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 disassemb

31、ling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling. 4. Take sufficient care on static electricity of integrated circuits and other circuits when servicing. Figure 7-2 Figure 7-3 CD-C662 1Top Cabinet1. Screw . (A1) x47-1 2Side Panel1. Screw .

32、(B1) x87-1 (Left/right) 3CD Player Unit/1. Turn on the power supply,7-2 CD Tray Cover open the disc tray, take out the CD cover, and close. (Note 1) 2. Screw . (C1) x1 3. Hook. (C2) x3 4. Hook. (C3) x2 5. Socket . (C4) x3 4Rear Panel1. Screw . (D1) x57-2 (with Digital Output PWB) 5Main PWB1. Screw .

33、 (E1) x18-1 2. Socket . (E2) x4 3. Flat Cable . (E3) x1 6Front Panel1. Screw . (F1) x38-1 2. Socket . (F2) x1 7Power Amp. PWB 1. Screw . (G1) x78-2 2. Socket . (G2) x2 3. PWB Holder . (G3) x1 8Power Supply PWB1. Screw . (H1) x48-2 9Display PWB/1. Screw . (J1) x138-3 Switch PWB2. Socket . (J2) x1 10T

34、ape Mechanism1. Open the cassette holder.8-3 2. Screw. (K1) x6 11Turntable1. Screw . (L1) x18-4 2. Cover . (L2) x1 12Disc Tray1. Screw . (M1) x28-4 2. Guide . (M2) x2 13CD Servo PWB1. Screw . (N1) x18-5 (Note 2)2. Socket . (N2) x4 14CD Changer1. Screw . (P1) x48-6 Mechanism 15CD Mechanism1. Screw .

35、(Q1) x18-6 STEPREMOVALPROCEDUREFIGURE Note 1: How to open the changer manually. (Fig. 7-3) 1. Change, turn fully the lock lever in the arrow direction through the hole on the loading chassis bottom in this state. After that, push forward the CD player base. Note 2: 1. After removing the connector fo

36、r the optical pickup from the connector, wrap the conductive aluminium foil around the front end of connector to protect the optical pickup from electrostatic damage. Figure 7-1 CD-C662 LOCK LEVER Top Cabinet Front Panel (A1)x2 3x12mm (A1)x2 3x12mm Side Panel (Left) Side Panel (Right) (B1)x2 3x10mm

37、(B1)x2 3x10mm (B1)x4 3x10mm Back Board (D1)x1 3x10mm CD Tray Cover Rear Panel CD Player Unit Hook (C2) x3 (C3) x1 (C1) x1 3x10mm (D1) x1 3x10mm (D1) x3 3x6mm (C4) x3 1 1 2 Pull (C3) x1 CD-C662 8 Figure 8-1 Figure 8-2 Figure 8-3 Be careful when installing the CD changer mechanism. Install the CD chan

38、ger mechanism on the CD player base after the shift lever has been set in the highest position. Figure 8-5 Figure 8-6 Figure 8-4 (E2)x2 (E3)x1 Front Panel (E1)x1 3x10mm (F1)x3 3x10mm (F2)x1 Main PWB Power Amp. PWB (E2)x1 Main PWB (E2)x1 Power Amp. PWB Power Supply PWB (G1)x5 3x10mm (G2)x2 (G1)x2 3x6

39、mm (H1)x4 4x8mm PushPush 11 2Pull Power Amp. PWB (G3)x1 Power Supply PWB PowerAmp. PWB Main Chassis Front Panel Display PWB Switch PWB Open Cassette Holder Tape Mechanism (J1)x2 3x10mm (J1)x11 3x10mm (K1)x6 3x10mm (J2)x1 (M1) x1 3 x10mm (M1) x1 3 x10mm (L1) x1 3 x10mm Turntable Disc Tray (L2) x1 (M2

40、) x1 (M2) x1 CD Player Unit Washer (N1) x1 3 x10mm (N2) x2 (N2) x2 CD Player Unit CD Servo PWB (P1) x4 3 x12mm (Q1) x1 2.6 x10mm CD Changer Mechanism CD Mechanism Shift Lever CD Player Base 9 CD-C662 CP-C662 1Front Panel1. Net. (A1) x19-1 2. Rubber . (A2) x4 3. Screw . (A3) x4 4. Tip . (A4) x29-2 2Woofer1. Screw . (B1) x49-2 3Tweeter1. Screw . (C1) x49-2 STEPREMOVALPROCEDUREFIGURE Figure 9-1 (A1)x1 Front Panel (A3)x4 4x16mm (A2)x4 Front Panel Tweeter (C1)x4 3x10mm Woofer (B1)x4 4x16mm (A4)x2 Figure 9-2