Panasonic-SAAK47-cs-sm 电路图 维修手册.pdf

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1、Colour Area CD Stereo System SA-AK47 Suffix for Model No. ColourArea (GC)Asia, Latin America, Africa and Middle Near East (GN)Oceania (S) . Silver Type (S) TAPE SECTION : AR2 MECHANISM SERIES CD SECTION : RAE0152Z-M TRAVERSE DECK SERIES Specifications Antenna terminal(s)75 (unbalanced) AM Tuner Sect

2、ion Frequency range AM(MW)522 1629 kHz (9kHz steps) (For GC only)520 1630 kHz (10kHz steps) SW (For GC only)3.200 7.350 MHz (0.005MHz steps) 9.400 21.750 MHz (0.005MHz steps) Sensitivity AM(MW) S/N 20 dB (at 999 kHz)560 V/m SW (For GC only) S/N 20 dB (at 5.3MHz)35.5 V CD Section Sampling frequency44

3、.1 kHz Decoding16 bit linear Beam source/wave lengthSemiconductor laser / 780 nm Number of channelsStereo Frequency response20Hz 20kHz (+1dB, -2dB) Wow and flutterBelow measurable limit Digital filter8 fs D/A converterMASH (1 bit DAC) General Power consumption For GC area157W For GN area163W Power s

4、upply For GC areaAC 110V/127V/220V/230 240V, 50/60Hz For GN areaAC 230 240V, 50Hz Dimensions (W x H x D)270 x 331 x 338 mm Weight8.4 kg Amplifier Section PMPO (For GC only)2200W RMS power output THD 10%, both channels driven For GC area100W per channel (6) For GN area130W per channel (6) For GN only

5、 1 kHz continuous power output THD 1%both channel driven (DIN)85W per channel (6) Input sensitivity and impedance AUX 250mV,13.3K For GC area MIC0.7mV, 680 Cassette Deck Section Track system4 track, 2 channel Heads Record/playbackSolid permalloy head ErasureDouble gap ferrite head MotorDC servo moto

6、r Recording systemAC bias 100 kHz Erasing systemAC erase 100 kHz Tape speed4.8 cm/s Frequency response (+3, -6 dB at DECK OUT) NORMAL (TYPE I)35 Hz 14 kHz HIGH (TYPE II)35 Hz 14 kHz S/N Dolby NR off50dB (A weighted) Dolby NR on60dB (CCIR) Wow and flutter0.18 % (WRMS) Fast forward and rewind time App

7、rox. 120 seconds with C-60 cassette tape FM Tuner Section Frequency range87.5 108.0 MHz (50 kHz steps) Sensitivity (For GC only)2.5 V(IHF) S/N 26dB2.2 V Sensitivity (For GN only) S/N 26dB1.5 V ORDER NO. MD9901019C3 c 1999 Matsushita Electronics (S) Pte. Ltd. All rights reserved. Unauthorized copying

8、 and distribution is a violation of law. SB-AK47 SA-AK47 SB-AK47Remote Control Transmitter SystemMusic CenterSpeaker SC-AK47 (GC)SA-AK47 (GC)SB-AK47 (GC) SC-AK47 (GN)SA-AK47 (GN)SB-AK47 (GC) Notes : 1. Specifications are subject to change without notice. Weight and dimensions are approximate. 2. Tot

9、al harmonic distortion is measured by the digital spectrum analyzer. DOLBY B NRDOLBY B NR * 2 *1 MASH is a trademark of NTT.*1 Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. Dolby and the double-D symbol are trade marks of Dolby Laboratories Licensing

10、 Corporation. * 2 47GC01-2725/5/00, 2:12 PM1 RadioFans.CN 收音机爱 好者资料库 2 SA-AK47 This service information is designed for experiense repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dang

11、ers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

12、 ! WARNING Page BEFORE USE .2 BEFORE REPAIR AND ADJUSTMENT .2 PROTECTION CIRCUITRY .2 ACCESSORIES .2 HANDLING PRECAUTIONS FOR TRAVERSE DECK .3 PRECAUTION OF LASER DIODE .3 SETTING THE TIME .4 CONNECTIONS .5 LOCATION OF CONTROLS .6 RECORDING FROM RADIO BROADCASTS .7 RECORDING FROM COMPACT DISCS .8 th

13、e correct voltage is already set.) Before Use Accessories RAK-CH945WKRSA0006-JRSA0022-LSJP5213-2RJA0019-2KRJA0035-X 47GC01-2725/5/00, 2:12 PM2 RadioFans.CN 收音机爱 好者资料库 3 SA-AK47 Handling Precautions For Traverse Deck The laser diode in the traverse deck (optical pickup) may break down due to potentia

14、l difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup). Handling of traverse deck (optical pickup) 1. Do not subject the traverse deck (optical pickup) to static electricity as it is extremely

15、sensitive to electrical shock. 2. The short land between the No.4 (LD) and No.5 (GND) pins on the flexible board (FFC) is shorted with a solder build-up to prevent damage to the laser diode. To connect to the PC board, be sure to open by removing the solder build-up, and finish the work quickly. 3.

16、Take care not to apply excessive stress to the flexible board (FFC board). 4. Do not turn the variable resistor (laser power adjustment). It has already been adjusted. Grounding for electrostatic breakdown prevention 1. Human body grounding Use the anti-static wrist strap to discharge the static ele

17、ctricity from your body. 2. Work table grounding Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is placed, and ground the sheet. Caution : The static electricity of your clothes will not be grounded through the wrist strap. So, take care not to

18、let your clothes touch the traverse deck (optical pickup). Caution when Replacing the Traverse Deck: The traverse deck has a short point shorted with solder to protect the laser diode against electrostatics breakdown. Be sure to remove the solder from the short point before making connections. Wrist

19、 strap (Anti-static bracelet) 1 M Iron plate or some metals to conduct electricity Precaution of Laser Diode CAUTION :This product utilizes a laser diode with the unit turned ON, invisible laser radiation is emitted from the pick up lens. Wavelength : 780 nm Maximum output radiation power from pick

20、up : 100 W/VDE Laser radiation from pick up unit is safety level, but be sure the followings: 1.Do not disassemble the optical pick up unit, since radiation from exposed laser diode is dangerous. 2.Do not adjust the variable resistor on the pick up unit. It was already adjusted. 3.Do not look at the

21、 focus lens using optical instruments. 4.Recommend not to look at pick up lens for a long time. ACHTUNG:Dieses Produkt enthlt eine Laserdiode. Im eingeschalteten Zustand wird unsichtbare Laserstrahlung von der Lasereinheit abgestrahlt. Wellenlnge : 780nm Maximale Strahlungsleistung der Lasereinheit

22、:100W/VDE Die Strahlung an der Lasereinheit ist ungefhrlich, wenn folgende Punkte beachtet werden: 1. Die Lasereinheit nicht zerlegen, da die Strahlung an der freigelegten Laserdiode gefhrlich ist. 2. Den werkseitig justierten Einstellregler der Lasereinhit nicht verstellen. 3. Nicht mit optischen I

23、nstrumenten in die Fokussierlinse blicken. 4. Nicht ber lngere Zeit in die Fokussierlinse blicken. ADVARSEL: I dette a apparat anvendes laser. CAUTION! THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS

24、 RADIATION EXPOSURE. No.5 Pin (GND) No.4 Pin (LD) Flexible board FFC (Handle it carefully) Lens (Do not touch) 47GC01-2725/5/00, 2:12 PM3 RadioFans.CN 收音机爱 好者资料库 4 SA-AK47 Use of Caution Labels INVISIBLE LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM. USYNLIG LASERSTRLING VED BNING, NR SIK

25、KERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDG UDSTTELSE FOR STRLING. AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NKYMTNT LASERSTEILYLLE. L KATSO STEESEEN. OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD OCH SPRREN R URKOPPLAD. BETRAKTA EJ STRLEN. USYNLIG LASERSTRLING NR DEKSEL PNES OG SIKKERHEDSLS

26、BRYTES. UNNG EKSPONERING FOR STRLEN. UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEFFNET. NICHT DEM STRAHL AUSSETZEN. DANGER ADVARSEL VARO! VARNING ADVARSEL VORSICHT LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT CLASS 1 LASER PRODUCT 1234 1234 1234 1234 1234 Setting The Time 1 2 3 4 1 2 4 3 This is a 24-

27、hour display clock. This example in the figure shows how to set the time for 16:25 (4:25 p.m.). Switch on the power. Press CLOCK/TIMER to select “CLOCK”. Every time you press the button: CLOCKRECPLAY (within 7 seconds or so) Press 3 or 4 to show the present time. Press CLOCK/TIMER to finish setting

28、the time. The display will return to whatever was displayed before you set the time. To display the time when system is ON Press CLOCK/TIMER to select “CLOCK”. At ECO mode on, to display the time when system is OFF Press -DISPLAY/DEMO. The time will be displayed for about 5 seconds and then the disp

29、lay will return to whatever was previously displayed. Previous display 47GC01-2725/5/00, 2:12 PM4 5 SA-AK47 Connections 2 1 3 4 5 1 2 2 1 GND h FM ANT GND h LOOP MW ANT A VOLT ADJ Connector Approx. 6 mm Appliance inlet Red AM loop antenna Antenna holder FM indoor antenna Adhesive tape Black Grey Blu

30、e Basic connections (for supplied accessories) Plug the AC power cord into a household AC outlet only after all other connections have been made. To prepare the AM loop antenna wire and speaker cords, twist the vinyl cover tip and pull off. Connect the FM indoor antenna. Tape the antenna to a wall o

31、r column, in a position where radio signals are received with the least amount of interference. Note For best reception sound quality: An FM outdoor antenna is recommended. Connect the AM (MW) loop antenna. After attaching the antenna, turn on the system and tune in a broadcast station. Then, turn t

32、he antenna to the angle of best reception and least interference. Note To receive SW, an AM (MW/SW) outdoor antenna (not included) has to be installed. Connect the front speaker cables. Connect each end of the speaker cables to the terminal lever of the same colour. Caution Use only the supplied fro

33、nt speakers. The combination of the main unit and front speakers provide the best sound. Using other front speakers can damage the unit and sound quality will be negatively affected. To prevent damage to circuitry, never short-circuit positive (+) and negative () speaker wires. Set the voltage. Use

34、a flat-head screwdriver to turn the voltage selector on the rear panel to the appropriate position for the area in which this system is used. If the power supply in your area is 115 V or 120 V, please set the voltage selector as follows: For 115 V: Set to 110 V. For 120 V: Set to 127 V. Connect the

35、AC power cord. If the power plug does not fit your socket, use the power plug adaptor (included). A Insertion of connector Even when the connector is perfectly inserted, depending on the type of inlet used, the front part of the connector may jut out as shown in the drawing. However there is no prob

36、lem using the unit. 47GC01-2725/5/00, 2:12 PM5 6 SA-AK47 Location of Controls Main unit A No.Name 1 CD manager button (CD MANAGER) 2 Random play button (RANDOM) 3 ECO button (ECO) 4 AC supply indicator (AC IN) This indicator lights when the unit is connected to the AC mains supply. 5 Standby/on swit

37、ch (f/I, POWER) Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of power. 6 Disc select buttons and indicators (DISC 1DISC 5) 7 Direct disc tray open/close buttons (c OPEN/CLOSE 1 c OPEN/CLOSE 5) 8 Disc tray Center console B

38、 9 Play timer/record timer button and indicator (rPLAY/rREC) ! Clock/timer button (CLOCK/TIMER) Display # Basic operating buttons Functions change according to the source. $ Sound equalizer control/indicators (SOUND CONTROL JOG) % 3D AI EQ button (3D AI EQ) AUX button (AUX) Display select/demonstrat

39、ion button (-DISPLAY/DEMO) ? Volume control (VOLUME) Echo button (ECHO) Karaoke button (KARAOKE) Microphone volume control (MIC VOL) Microphone jacks (MIXING MIC) Deck 2 cassette holder A B C FM MODE/BP rPLAY/ rREC CLOCK/ TIMER MEMORY )/fg/( TUNE MODE L TUNE/TIME ADJ4 -/J aREC/STOPDOLBY NRREV MODETA

40、PE EDIT cDECK 2 OPEN DECK 1 OPEN c S.WOOFER 3TUNE/TIME ADJ / S O U N D C O N T R O L J O G 3 D A I E Q 12 131411109 19151617182021 8 6 7 1 2 4 3 5 B 34 28 29 30 31 33 32 25 23 24 26 22 27 47GC01-2725/5/00, 2:12 PM6 7 SA-AK47 Recording From Radio Broadcasts 1 Press c DECK 2 OPEN and insert the tape.

41、Close the holder by hand. Tape direction is automatically set to “ 33333”. 2 Press DOLBY NR. You have to turn DOLBY NR ON/OFF according to the type of recording you want to make. Every time you press the button: NR(OFF) 3 Press REV MODE to select the reverse mode. Every time you press the button: :

42、One side is recorded, then recording stops auto- matically. ,: Both sides (front side reverse side) are recorded, then recording stops automatically. 4 Select a radio station. Press a REC/STOP to start recording. If you selected “,” in step 3, the direction will automatically change to “” when recor

43、ding starts. To stop recording Press a REC/STOP again. Recording can also be stopped by pressing L. To start recording on the reverse side Load a tape and change the tape direction as follows: 1. Press TAPE/DECK 1/2 and select tape deck 2. 2. Press / and immediately thereafter L. The tape direction

44、will be shown as “4”. To record from a specific point on a tape Before recording, advance the tape to the point from where you want to start recording. To cut an unnecessary part while recording 1. Press a REC/STOP during the unnecessary part. The cassette deck will go into the stop mode. 2. Press a

45、 REC/STOP to resume recording again. Recording will continue in the same direction as before. Note When recording an MW/SW broadcast, sound is momentarily interrupted when you start and stop the recording. To reduce noise while MW recording (Beat proof function) A Press FM MODE/BP while recording. E

46、ach time you press the button, “BP1” and “BP2” will be displayed alternately. Select the position where there is less noise. 1 3 5 A 52 3 1 2 Tape direction 47GC01-2725/5/00, 2:12 PM7 8 SA-AK47 Recording From Compact Discs 1 3 4 6 7 7 4 2 3 6 1 2 Tape direction 1 Press c DECK 2 OPEN, and insert the

47、tape. Close the holder by hand. Tape direction is automatically set to “ 3”. 2 Press DOLBY NR. You have to turn DOLBY NR ON/OFF according to the type of recording you want to make. Every time you press the button: NR(OFF) 3 Press REV MODE to select the reverse mode. Every time you press the button:

48、: One side is recorded, then recording stops auto- matically. ,: Both sides (front side reverse side) are recorded, then recording stops automatically. 4 Press CD. 5 Insert CD in the tray. 6 Press DISC 1 DISC 5 to select the disc you want. Pressing L will stop playback. Press a REC/STOP to start recording. If you selected “, ” in step 3, the direction will automatically change to “” when recording sta