Panasonic-SAPMX1DBEB-cs-sm 电路图 维修手册.pdf

《Panasonic-SAPMX1DBEB-cs-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Panasonic-SAPMX1DBEB-cs-sm 电路图 维修手册.pdf（107页珍藏版）》请在收音机爱好者资料库上搜索。

1、n Amplifier Section RMS OUTPUT POWER both channel driven simultaneously 10% Total harmonic distortion80 W per channel (4 ) Input Impedance MUSIC PORT250 mV 13 k Output Impedance HEADPHONE16 to 32 Phone jack TerminalStereo, 3.5 mm Music port input jack TerminalStereo, 3.5 mm DAB external antenna Term

2、inalF-connector (75 ) n FM Tuner Section Frequency range87.50 to 108.00 MHz (50 kHz step) Sensitivity2.5 V (IHF) S/N 26dB1.4 V Antenna terminal(s)75 (unbalanced) Preset stationFM 15 stations AM 15 stations n AM Tuner Section Frequency range522 to 1629 kHz (9 kHz steps) 520 to 1630 kHz (10 kHz steps)

3、 Sensitivity S/N 20 dB (at 999 kHz)1584 V/m 2006 Matsushita Electric Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-PMX1DBEB Colour (S). Silver Type n DAB Section Frequency Band (Wavelength) Band III (UK only)11B to 12D (218.640 MHz to 229.072 MH

4、z) Band III (Europe)5A to 13F (174.928 MHz to 239.200 MHz) Intermediate frequency1st : 38.912 MHz, 2nd : 2.048 MHz Sensitivity *BER 4x10-4 MAX. Input Power0 dBm Min Requirement-97 dBm Selectivity Adjacent Channel (Band III)33 dB Far-Off Channel (Band III)45 dB DAB memories20 channels n Cassette Deck

5、 Section Track system4-track, 2-channel Heads Record/playbackSolid permalloy head ErasureDouble gap ferrite head MotorDC servo motor Recording systemAC bias 100 kHz Erase systemAC erase 100 kHz Tape speed4.8 cm/s Overall frequency response (+3, -6 dB) at DECK OUT NORMAL35 Hz to 14 kHz S/N RATIO47 dB

6、 (A weighted) CD Stereo System Specification ORDER NO. MD0606218CE RadioFans.CN 收音机爱 好者资料库 Wow and flutter0.08% (WRMS) Fast forward and rewind timeApprox. 120 seconds with C-60 cassette tape n CD Section Disc played 8 cm or 12 cm (1) CD-Audio (CD-DA) (2) CD-R/RW (CD-DA, MP3 formatted disc) (3) MP3 S

7、ampling frequency CD44.1 kHz MP332 kHz, 44.1 kHz, 48 kHz Bit rate MP332 kbps to 384 kbps Decoding16/20/24 bit linear Pickup Beam sourceSemiconductor laser Wavelength785 nm Laser powerCLASS 1 Audio output (Disc) Number of channels2 Channel 1 Safety Precautions 4 1.1. GENERAL GUIDELINES 4 1.2. Caution

8、 for AC Cord 5 1.3. Before Repair and Adjustment 6 1.4. Protection Circuitry 6 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 7 3 Precaution of Laser Diode 8 4 Handling Precautions For Traverse Deck 9 5 Handling the Lead free Solder 10 5.1. General descrip

9、tion about Lead Free Solder (PbF) 10 6 Accessories 11 7 Operating Instructions Procedures 12 7.1. Main Unit stop the aging test at CLOSE condition. 2. During CLOSE operation, after certain timing, the CD does not in CLOSE position. (After CLOSE operation, REST SW was not off in 4s.) Do the OPEN oper

10、ation; stop the aging test at OPEN condition. Note : When key 0 is pressed, the current test shall be cancelled and returns to Doctor mode display. The count value shall be reset to (00000). During this test, FL shall display as normal and nodisplay on the FL. 8.1.5. CD Reliability Test (Traverse) P

11、urpose : CD Access Inner and Outer Disc aging test. (Mainly used for CR130 unit reliability test). Below is the procedures for this mode. Step 1: Enter into Doctor mode (For more information refer to section 8.1 on key operation to enter into this mode). Step 2 : Switch to CD mode and when the key 1

12、2 are being pressed using the remote control, the following operation shall carried out : 19 SA-PMX1DBEB Step 3 : Due to certain reasons, when the following condition happens, the aging will stop but the count value shall be maintained : After 10s, the Disc Access not yet completes. Out of Focus for

13、 more than 2s. Note : When key 0 is pressed, the current test shall be cancelled and returns to Doctor mode display. The count value shall be reset to (00000). During this test, FL shall display as normal and nodisplay on the FL. 8.1.6. CD Reliability Test (Combination) Purpose : This test is the co

14、mbination of the OPEN/CLOSE operation and the Inner and Outer Disc Access operation aging test. (Mainly used for CR130 unit reliability test). Below is the procedures for this mode. Step 1: Enter into Doctor mode (For more information refer to section 8.1 on key operation to enter into this mode). S

15、tep 2 : Switch to CD mode and when the key 13 are being pressed using the remote control, the following operation shall carried out : 20 SA-PMX1DBEB Step 3 : Due to certain reasons, when the following condition happens, the aging will stop but the count value shall be maintained : During OPEN operat

16、ion, after certain timing, the CD does not in OPEN position.(After REST SW is OFF, the CD OPEN SW did not ON after 4s.) During CLOSE operation, after certain timing, the CD does not in CLOSE position.(After CLOSE operation, REST SW was not off in 4s.) After 10s, the Disc Access not yet completes Out

17、 of Focus for more than 2s Note : When key 0 is pressed, the current test shall be cancelled and returns to Doctor mode display. The count value shall be reset to (00000). During this test, FL shall display as normal and nodisplay on the FL. 8.1.7. CD Self-Adjustment (AJST) Result Display Purpose :

18、To display result of self-adjustment for CD. Below is the procedures for this mode. Step 1: Enter into Doctor mode (For more information refer to section 8.1 on key operation to enter into this mode). Step 2 : When 14 key are pressed at the doctor mode, the following shall be displayed for 3 secs. T

19、he result shall correspond to the condition met as shown in the table below : 21 SA-PMX1DBEB 8.1.8. TPS Inspection Purpose : Tape for TPS is put into Deck. TPS inspection starts with one key operation. This mode shall run a test program to check REV TPS for the Deck and ends by displaying the result

20、 and ejecting the Deck. Below is the procedures for this mode. Step 1: Enter into Doctor mode (For more information refer to section 8.1 on key operation to enter into this mode). Step 2 : Press button on remote control. Enter into TPS Test mode. (During this mode) Software will start checking for e

21、xistence of cassette in Deck. If the Deck does not contain any cassette, it shall end the test and displays EEROR. If the cassette is detected, test shall start by playing the DECK in reverse direction for 1 sec and perform REV TPS. If TPS signal is OK, the Deck shall be ejected. Below is informatio

22、n on the TPS under 3 examples. 1. If ERROR Flag is set ERROR shall be displayed. TPS check result shall not be shown in this case. 2. If Deck TPS check = OK 3. If Deck TPS check = NG 22 SA-PMX1DBEB 8.1.9. MP3 Test Purpose : To check the MP3 Test. Below is the procedures for this mode. Step 1 : Enter

23、 into Doctor mode (For more information refer to section 8.1 on key operation to enter into this mode). Step 2 : Press PROGRAM button on remote control. Execute MP3 Disc Check (Refer Flowchart below) 23 SA-PMX1DBEB Result display : Displayed if MP3 test OK Displayed if MP3 test NG 8.1.10. CD Recordi

24、ng Purpose : This test is designed for CD to TAPE recording inspection. Below is the procedures for this mode. Step 1 : Enter into Doctor mode (For more information refer to section 8.1 on key operation to enter into this mode). Step 2 : Press 4 button on remote control. It shall enter CD to TAPE Re

25、cording Test. Step 3 : Set shall be set to following condition automatically. VOLUME 50. BASS / TREBLE FLAT (0dB). Preset EQ OFF. H.BASS and surround off. Step 4 : Either set in CD or TAPE mode, CD shall PLAY and TAPE REC for 3 seconds. Step 5 : After 5 seconds, TAPE REC shall be stop and TAPE REW t

26、o starting point (count 0).During TAPE REW, CD drawer shall open Step 6 : Press 5 button on remote control. To start TAPE PLAYBACK to check the recorded signal. When key 5 pressed, TAPE PLAY shall start for 3 seconds to playback the recorded signal. Tape shall be ejected after TAPE PLAY stop. 24 SA-

27、PMX1DBEB 8.2. Error Code Table Self-Diagnosis Function provides information on any problems occuring for the unit and its respective components by displaying error codes. Thesed error code such as U*, H* and F* are stored in memory and held unless it is cleared. The error code is automatically displ

28、ay after entering into self-diagnostic mode. Error Code Diagnosis Contents Description of errorAutomatic FL DisplayRemarks H01MODE SW abnormalFor deck mechanism unit. Press on main unit for next error. H02REC INH SW abnormal For deck mechanism unit. Press on main unit for next error. H03HALF SW abno

29、rmalFor deck mechanism unit. Press on main unit for next error. 25 SA-PMX1DBEB Error Code Diagnosis Contents Description of errorAutomatic FL DisplayRemarks F01 F02 Reel pulse abnormal TPS abnormal For deck mechanism unit. Press on main unit for next error. F15CDRESTSW Abnormal CD traverse position

30、intial settingoperationfailsafe counter (1000 ms) waiting for REST SW toturn on. Error No. shall be clear by force or during cold start. For CD unit (For Traverse). Press on main unit for next error. F26Communication between CD servo LSI and micro-p abnormal. CDfunctionDTMS command,aftersystem setti

31、ng,IfSENSE=L cannotbedetected. Memory shall contain F26 code. After Power on, CD functionshallcontinue, error display shall be NO DISC. Error No. shall be clear by force or cold start. For CD unit (For Traverse). Press on main unit for next error. POWER AMP output abnormal During normal operation, i

32、f DCDETbecomesL, normalPOWEROFF processshallnotbe executed, PCONT shall be switchedtoL immediately.GOODBYE shall not be display but the errordisplayF61is displayedinstead.2 secondsaftertheF61 displayed, ECONO shall be set to L and FL display shall beturnedoff.The errorcontentshallbe memorizedwhenthe

33、 abnormality occurs and can be display in the C-mecha self-diagnosticmode described later. For Power Supply Related Error Detection. Press on main unit for next error. 26 SA-PMX1DBEB 9 Assembling and Disassembling 9.1. Caution “ATTENTION SERVICER” Some chassis components may be have sharp edges. Be

34、careful when disassembling and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. 2. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures a

35、re described only when required. 3. Select items from the following index when checks or replacement are required. Warning: This product uses a laser diode. Refer to “Precaution of Laser Diode”. Below is the list of disassembly sections Disassembly of Top Cabinet Disassembly of DAB Module Unit Disas

36、sembly of Front Panel ? ?!?* $? ? ? 4? ?#? )? ? 4?) -4?. ? ?7? ? ?-?. ?-?. ?) -?). ?-?. ) 5,? 589 ? 5/0: ?,? ?#$? , ?#$? ?!? ? ?;? ?!?* 4?)7 4? ?*? ? -?. ? ? ?* ?#? ?,? ?#$? ? ? ? ? ? -?#?. +? ? ? ? ? ? ? ? ? ? ? ?-,. ?-?. SA-PMX1DBEB 68 4?7 4?) $?,? ? ? ? ? ?,? ?!?) ? ? ? ?, ? ? ? ,? ?* ? ? ,? ? ?

37、? 4? -4?. ? ? 4?74? -4?74?. ? ? ? ?#? ? ? ? 4? ?*? ? ? ? ? ?*? ?*? -? ?!. ? ? ?*? 4?4? )? ?#?* 4? ? ?*? ? ?*? 4? 4,? ? ?*? ? ?#?#? ?, ? ?* ?* ? ? ? ? ?*? ?*? 4,? ?*? ?*? 4,? ? ? ? ? ? ? ? ? ? ?#?5 ?) ?#?5 ? ?#? ? ?#? ? ?#? ? ?#? ? ?#? ? ?#? ? ?#? ? ?#?*? ?#?5 ?#?5 ?#? ?#? ?#? ?#? ?#? ?#? ?#? ?#?*? ?

38、#? -?#?. ? ?#? ?#? ?#? ,? ? ?! ? ? ?) ?#? ? ?#? ?, ?#? ?#? ? ? ? ? $? SA-PMX1DBEB 69 6? 6? ? ? ? ?)? ?)? $?)? ? ?*? ?,? ?!?) ? ?)? ? ? ?! ? ? +)? ,? ? ?*? 4? ?)?;?)?) ?)? 4)? ? ? ?)? ?)? ? ? +? ? ?*? 4? ? ? ? ? 4)? ? ?*? ?)?, ?7? ?)?;?)? ?)?;?)? 4)?)7 4)?, ? ? 4)?7 4)?7 4)? ? ? ? ? ?#? ? ?#? ? ?*? 4

39、? ? ?*? 4? ?*? 4? ?*? 4? ? ? 4)? ? $? ? ? ? ? ?-?. ?%-?. ?-?. ?-?. ?-?. ?-?. ?7? ?7? ?)7, ?7? ? ?*? ? ? ? ?)?7?)?, 4)? ? ?*? ?)? ?)? ? ? ?+?)? ?!? ? ? ?*? 4? ? ?*? 4?7 4? ?%? ? ? ? 4? ? ?)? ? 4? ? ? 4? ? ? ? ? 4?7 4?) ? ?*? 4?7 4? ? ?*? ? ? ? ? ?,? ? ? ?!? 4,? ? ?*? ?,? ? ? ? ? ? ?+!?) 4? ? ?*? 4? ?

40、*? ?!? ?% -?. ? -?.?9(8?8?:?99/Serial I/P 17BA1N.C. Motor O/P (1);/Serial I/P 18PRAMVSS33-GND (DRAM) 19PRAMVDD15-Power Supply Voltage (DRAM) 20PRAMVDD33-Power Supply Voltage (+1.6V) 21SPOUTOSpindle Drive O/P 22PCI/O Spindle motor drive O/P signal serial data/Monitoring I/P 23TRVPOTraverse Drive O/P

41、(+ve) 24TRPOTracking Drive O/P (+ve) 25FOPOFocusing Drive O/P (+ve) 26DVSS1IGND 27IOVDD2IDigital Power Supply Voltage 2 (I/O) 28DVDD1-Digital Power Supply Voltage 1 (Built-In) 29SRVMON0N.C. Servo Monitor (0) O/P 30SRVMON1N.C. Servo Monitor (1) O/P 31AVSS2-GND 32OSCINIOscillating Input 33CTRCRSN.C. T

42、racking Cross Comparator 34VREF-+Vref Supply Voltage 35EITracking Input Signal 1 36FITracking Input Signal 2 37DIFocusing Input Signal 4 38BIFocusing Input Signal 2 39CIFocusing Input Signal 3 40AIFocusing Input Signal 1 41PDIAPC Amp I/P 42LDOLaser Drive Current O/P 43CENVIDetection Capacitance Conn

43、ection terminal 44RFENVORF Envelope O/P 45RFOUTORF Summing Amp O/P 46RFINISGC I/P 47AVDD2IAnalog Power Supply voltage 2 (For DSL/PLL) 48ARFDCOAGC Capacitive Connection Terminal 49ARFOUTOAGC Output 50ARFFBIARF Feedback Signal I/P 51ARFINIAudio RF Signal I/P 52DSLFILoop Filter Terminal (For DSL) 53IRE

44、FIReference I/P Pin No.MarkI/OFunction 1IN2IMotor Driver 92 Input 2PC2ITurntable Motor Drive Signal (“L”:ON) 3IN1IMotor Drive (1) Input 4PC1-Traverse Motor Drive Signal (“L”: ON) 5-8N.C.-No Connection 9PGND1-Ground Connection (1) for Drive Pin No.MarkI/OFunction 54PLLFIPLL Loop Filter Terminal (Phas

45、e Compare) 55PLLF0OPLL Loop Filter Terminal (Speed Compare) 56OUTLOAudio O/P (LCH) 57AVSS1IGND 58AVDD1IAnalog Power Supply Voltage 1 59OUTROAudio O/P (RCH) 60DVSS3IGND3 (Digital Circuit) 61NSRVMONONIServo Motor O/P Enabling 62EXT0N.C. Expansion O/P Port 0 63EXT1N.C. Expansion O/P Port 1 64EXT2N.C. Expansion O/P Port 2 65FLAGN.C. Flag Signal O/P 66TXN.C. Digital Audio Interface O/P signal 67MCLKIMicro-Computer Command Clock I/