Panasonic-SAPM31E-cs-sm 电路图 维修手册.pdf

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1、n Amplifier Section RMS power output 10% Total harmonic distortion 1 kHz, both channels driven (Low channel)41 W per channel (6) 8 kHz, both channels driven (High channel)39 W per channel (6) Total Bi-Amp power80 W per channel Output Impedance Headphone16 - 32 n FM Tuner Section Frequency range87.50

2、 MHz - 108.00 MHz (50 kHz steps) Sensitivity1.02 V (IHF) S/N 26 dB1.00 V Antenna terminal(s)75 (unbalanced) n AM Tuner Section Frequency range522 kHz - 1629 kHz (9 kHz steps) 520 kHz - 1630 kHz (10 kHz steps) Sensitivity S/N 20 dB (at 999 kHz)900 V/m n Cassette Deck Section 2005 Matsushita Electric

3、Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-PM31E SA-PM31EB SA-PM31EG Colour (S). Silver Type Track system4 track, 2 channel Heads Record/playbackSolid permalloy head ErasureDouble gap ferrite head MotorDC servo motor Recording systemAC bias 1

4、00 kHz Erasing systemAC erase 100 kHz Tape speed4.8 cm/s Overall frequency response (+3 dB, -6 dB at DECK OUT) NORMAL35 Hz - 14 kHz S/N RATIO42.64 dB (A weighted) Wow and flutter0.08% (WRMS) Fast forward and rewind timeApprox. 120 seconds with C-60 cassette tape n CD Section Disc CD, CD-R, CD-RW, MP

5、38 cm/12 cm Sampling frequency44.1 kHz Decoding16/20/24 bit linear Beam source/wavelengthSemiconductor laser / 780 nm Number of channelsStereo Frequency response20 Hz - 20 kHz (+1dB, -2dB) Wow and flutterBelow measurable limit Digital filter8 fs D/A converterMASH (1 bit DAC) CD Stereo System Specifi

6、cation ORDER NO. MD0501011C2 RadioFans.CN 收音机爱 好者资料库 MP3 Bit rate32 kbps - 320 kbps Sampling frequency32 kHz, 44.1 kHz, 48 kHz n General Power supplyAC 230 V, 50 Hz (E/EG) AC 230 - 240 V, 50 Hz (EB) Power consumption130 W Dimensions (W x H x D)175 mm x 254 mm x 390.7 mm Mass5.63 kg Power consumption

7、 in standby mode:0.6 W 1 Safety Cautions 4 1.1. GENERAL GUIDELINES 4 2 Caution for AC Mains Lead 5 3 Before Repair and Adjustment 6 4 Protection Circuitry 6 5 Handling the Lead-free Solder 6 5.1. About lead free solder (PbF) 6 6 Precaution of Laser Diode 7 7 Handling Precautions For Traverse Deck 8

8、8 Accessories 9 9 Operating Procedures 10 10 Information on Disc and MP3 12 11 Assembling and Disassembling 13 11.1. Disassembly flow chart 13 11.2. Disassembly of Side Panel L Typically the melting point is 50 - 70F (30 - 40C) higher. Please use a high temperature soldering iron. In case of solderi

9、ng iron with temperature control, please set it to 700 20F (370 10C). Pb free solder will tend to splash when heated too high (about 1100F/600C). When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the soldering points with the Pb

10、 free solder until it melts enough. 6 SA-PM31E / SA-PM31EB / SA-PM31EG 6 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 up : 100

11、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 focus

12、 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 :10

13、0W/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 Inst

14、rumenten 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 R

15、ADIATION EXPOSURE. n Use of Caution Labels 7 SA-PM31E / SA-PM31EB / SA-PM31EG The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the travers

16、e deck (optical pickup). l Handling of CD traverse deck (optical pickup) 1. Do not subject the traverse deck (optical pickup) to static electricity as it is extremely 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 wit

17、h a solder build-up to prevent damage to the laser diode (Fig 1). 3. Take care not to apply excessive stress to the flexible board (FPC board). 4. Donotturnthevariableresistor(laserpower adjustment). It has already been adjusted. Fig 1 l Grounding for electrostatic breakdown prevention 1. Human body

18、 grounding (Fig 2) Use the anti-static wrist strap to discharge the static electricity from your body. 2. Work table grounding (Fig 2) 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 electrici

19、ty of your clothes will not be grounded through the wrist strap. So, take care not to let your clothes touch the traverse deck (optical pickup). Fig 2 Caution when Replacing the Optical Pickup : The traverse has a short point shorted with solder to protect the laser diode against electrostatics brea

20、kdown. Be sure to remove the solder from the short point before making connections. 7 Handling Precautions For Traverse Deck 8 SA-PM31E / SA-PM31EB / SA-PM31EG 8 Accessories AC cord (EB) AC cord (E/EG) FM antenna AM loop antenna Antenna plug adaptor Remote control Note : Refer to Packaging Materials

21、 It is (DEC display) and a check sum (HEX display). 1. Doctor mode ON. 2. Pressing C2DF The following are displayed: CHECKSUM CHK-EA Note: Version/check sum displays . . . . . . CHK-NO when display, when judged that there is EEPROM, and judged it is not. It returns to the doctor mode display of usua

22、lly by the operation which enters the doctor mode of usually by the operation which enters the doctor mode again with the check sum displayed. (The display does not return by the time limitation) 13.1.4. Cold start setting 1. Doctor mode ON. 2. Press 4 button on the remote control. Data shall be set

23、 in order to make a cold start (backup data are initialized) when reset starts next time. To clarify that the code was accepted at this time, the pattern below is displayed in the LCD for 2 seconds. (Note) In the case that you unplug from AC outlet after this mode was set, then plug to AC again, a c

24、old start shall begin. And “- - - - - - - - -” is displayed in the FL for 2 seconds. 13.2. Clearing Self-Diagnostic Memory (F15, F17, F22, F26, F27, F28, F29) 1. Enter into self-diagnostic mode. 52 SA-PM31E / SA-PM31EB / SA-PM31EG 2. Errors are stored in the unit memory. To clear memory, press and h

25、old down STOPn/-DEMO” button for 5 seconds or more during self-diagnostic mode. The message, “CLEAR” appears on the display when memory is erased, and the unit displays the message, “T”. Memory is not affected by turning off the power or unplugging the socket. Be sure to clear memory after repair is

26、 completed. 3. Press STOPn/-DEMO” button. A symbol of self-diagnostic is indicated on the display if an error is found. If several errors are found, a respective indication is displayed when STOPn/-DEMO button is pressing repeatedly. (e.g. H01 CD F15 F01) If no error is found, only T indication is d

27、isplayed and remains unchange even if STOPn/-DEMO button is pressed. 13.3. Displaying Self-Diagnostic Results (H01, H02, H03, F01, F02) 1. Enter the self-diagnostic mode, following the instructions described in 13.1.1 Setting of the Self-Diagnostic Mode (Test Mode). 2. Insert a normal-positioned mus

28、ic tape with erase prevention niches on both Sides A and B. Press TAPE button to activate the TPS operation so that the tape automatically stops at an interval between music selections. 3. Press CLEAR n and TAPE buttons together on the remote controller. (Recording does not start.) 4. Then, insert a

29、 Cr02-positioned blank cassette tape with an erase prevention niche of Side A or B set to the left side. 5. Press /FF/ button. The tape will be forwarded and automatically stop after two seconds. 6. Remove the cassette tape, and set the other side. 7. Press /REW/ button. The tape will be rewound and

30、 automatically stops after two seconds. 8. Press STOPn/-DEMO button on the unit. If an error is found, a self-diagnostic key appears on the display. If several errors are found, the display shows these keys when STOPn/-DEMO button is pressed repeatedly. (Ex.: H01 - H02 - F01 - H01) If no error is fo

31、und, only the message, “T” appears on the display. (*1) TPS operation (music search) detects the blank sections between music selections. Therefore, do not use tapes with the following conditions: A blank section that lasts only 4 seconds or less. No blank sections (recording through microphones, et

32、c.). Music selections that have extremely low pitches or prolonged silent sections (such as classical music). and/or Music recorded with fade in/out effect. 13.4. Error Code Table 13.4.1. Error code for Power Supply Error CodeAbnormal ItemsPossible Cause F61POWER AMP output abnormal During normal op

33、eration, if either DCDET1 or DCDET2 becomes L, normal POWER OFF process shall not be executed, PCNT shall be switched to L immediately. GOODBYE shall not display and the error display F61 is displayed instead. 2 seconds after the F61 display, ECONO shall be set to L and LCD display shall be turned o

34、ff. The error content shall be memorised when the abnormality occurs and can be display in the C-mecha self-diagnostic mode described later. 13.4.2. Error codes for CD Mechanism Error CodeAbnormal ItemsPossible Cause F15CD REST SW abnormalCD traverse position initial setting operation failsafe count

35、er (1000 ms) waiting for REST SW to turn on. Error No. shall be clear by force or during coldstart. F26CD servo LSI command signal abnormal CD function DTMS command, after system setting, If SENSE = L cannot be detected. Memory shall contain F26 code. After Power on, CD function shall continue, erro

36、r shall occur “NO DISC”. Error No. shall be clear by force or coldstart. F28DISC LOAD abnormalWhile going to play position, if failsafe counter is finished and switch no change or switch target condition was not achieve, this error shall be memorized. Next time mechanism operates, it shall do coldst

37、art. Error No. shall be clear by force or coldstart. F29DISC unload abnormalWhile going to play position, if failsafe counter is finished and switch no change or switch target condition was not achieve, this error shall be memorized. Next time mechanism operates, it shall do coldstart. Error No. sha

38、ll be clear by force or coldstart. F27Slide operation abnormalDuring vertical operation, if failsafe timer is finished and switch no change or switch target condition was not achieve, this error shall be memorized. Next time mechanism operates, it shall do coldstart.Error No. shall be clear by force

39、 or coldstart. 53 SA-PM31E / SA-PM31EB / SA-PM31EG Error CodeAbnormal ItemsPossible Cause F17Down SW abnormalDuring vertical operation going to the bottom position, if failsafe timer is finished and switch no change or switch target condition was not achieve, this error shall be memorized. The Next

40、time mechanism operates, it shall do mechanism initialization.Error No. shall be clear by force or coldstart. F22Loading Mode / Mecha abnormal During mecha initialization, Loading mode mechanism abnormal, normal operation cannot be achieve. The next time mechanism operates, it shall do mechanism ini

41、tialization.Error No. shall be clear by force or coldstart. 13.4.3. Error codes for Cassette Mechanism Error CodeAbnormal ItemsPossible Cause H01MODE SW abnormalNormal operation during mecha transition, MODE SW abnormal is memorised. The content of abnormality can be confirmed in the abnormal detect

42、ion mode explained in the later section. H02REC INH SW abnormal The content of abnormality can be confirmed in the abnormal detection mode explained in the later section. H03HALF SW abnormal F01Reel pulse abnormal F02TPS abnormal 13.5. Cassette Mechanism Self-Diagnostic Mode 1. A Cr02-positioned bla

43、nk cassette tape with an erase prevention niche on either Side A or B. 2. A normal-positioned music tape with erase prevention niches on both Sides A and B. Both tapes are halfway forwarded in advance. 3. The remote controller that comes with this unit. No.Operation ProceduresMicon operation H: Tri-

44、State 5SPOUTOSpindle driver output signal 6SPPOLOSpindle driver output signal 7TRVPOSpindle driver output signal 8TRVMOSpindle driver output signal 9TRVP2OTraverse driver output signal 2 (+) 10TRVM2OTraverse driver output signal 2 (-) 11TRPOTraverse driver output signal (+) 12TRMOTraverse driver out

45、put signal (-) 13FOPOTraverse driver output signal (+) 14FOMOTraverse driver output signal (-) 15IOVDD3-I/O power supply 3 16DVDD1-Power supply 1 for digital circuit 17DVSS1-Digital circuit GND 1 18ADPVCCIPower voltage monitor. Power voltage input 19TEINIDSP traverse error signal input 20FEINIDSP fo

46、cus error signal input 21CEAI/OHPF-Amp capacitance connection terminal 22RFENVORF envelope signal monitor 23FEOUTOFE Amp output 24FENIFE Amp reversal input 25TENITE Amp reversal input 26TEOUTOTE Amp output 27VREF-VREF voltage 28PDIAPC Amp input 29LDOAPC Amp output 30EITracking input signal 1 31FITra

47、cking input signal 2 32DITracking input signal 4 33BITracking input signal 2 34CITracking input signal 3 35AIFocus input signal 1 36DCDET-Detection HPF capacitance terminal 37RFVDD-RF Amp power supply 38RESERVE-GND 39RFOUTORF Amp output 40RFINIAGC input 41CAGCI/OAGC control terminal 42ARFOUTOAGC out

48、put (Audio RF) 43AVSS2-Analog circuit GND 2 44ARFINIRF signal input 45DSLFODSL loop filter 46IREFII (current), Reference input 47PLLFOPLL loop filter 48PLLF0OPLL loop filter Pin No.MarkI/OFunction 49AVDD2-Analog circuit power supply 2 50OUTLOLCH output signal 51AVSS1-Audio output circuit GND 1 52N.C

49、.-No Connection 53AVDD1-Power supply 1 for analog circuit 54OUTRORCH output signal 55DVSS2-Digital circuit GND 2 56IOVDD1-I/O power supply 1 57DVDD2-Power supply 2 for Digital circuit 58REGONILaser diode control (H: ON) 59IOMODEII/O switching setting input 60NTESTITest mode setting input (H: ON) 61TXODigital audio interface output 62FLAGOFlag signal output 63MCLKIMicro-P serial command CLK 64MDATAIMicro-P serial command DATA 65MLDIMicro-P serial command LOAD 66STATOStatus signal output 67BLKCKOSubcode block clock 68