Panasonic-SAAK750P-cs-sm 电路图 维修手册.pdf

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1、n AMPLIFIER SECTION FTC output power THD 10%, both channels driven 100 Hz to 3 kHz (Low channel)80 W per channel (3 ) 3 kHz to 12 kHz (High channel)80 W per channel (3 ) 40 Hz to 100 Hz (Subwoofer channel)160 W per channel (6 ) Total FTC power480 W RMS output Bi-amp power THD 10%, both channels driv

2、en 1 kHz (Low channel)110 W per channel (3 ) 10 kHz (High channel)110 W per channel (3 ) 60 Hz (Subwoofer channel)220 W per channel (6 ) Total output power660 W n FM/AM TUNER, TERMINALS SECTION Preset stationFM 20 stations AM 15 stations Frequency Modulation (FM) 2007 Matsushita Electric Industrial

3、Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-AK750P SA-AK750PC Colour (K). Black Type Frequency range87.9 to 107.9 MHz (200 kHz steps) 87.5 to 108.0 MHz (100 kHz steps) Sensitivity4.0 V (IHF) S/N 26 dB2.2 V Antenna terminal(s)75 (unbalanced) Amplitude Mod

4、ulation (AM) Frequency range520 to 1710 kHz (10 kHz step) Sensitivity S/N 20 dB (at 1000 kHz)560 V/m Music Port input jack TerminalStereo, 3.5 mm (1/8”) jack Sensitivity100 mV, 4.7 k Phone jack TerminalStereo, 3.5 mm (1/8”) jack XM readyXM mini Tuner and Home Dock n CASSETTE DECK SECTION Track syste

5、m4 track, 2 channel Heads Record/playbackSolid permalloy head ErasureDouble gap ferrite head MotorDC servo motor Recording systemAC bias 100 kHz CD Stereo System Notes: This models CD mechanism changer unit is CRS1. Please refer to the original Service Manual (Order No. MD0509368C0) for this mechani

6、sm. Specifications ORDER NO. MD0703010CE A6 RadioFans.CN 收音机爱 好者资料库 Erase systemAC erase 100 kHz Tape speed4.8 cm/s (1-7/8 ips) Overall frequency response (+3, -6 dB) at DECK OUT NORMAL35 Hz to 14 kHz S/N ratio50 dB (A weighted) Wow and flutter0.18 % (WRMS) Fast forward and rewind timeApprox. 120 se

7、conds with C-60 cassette tape n DISC SECTION Disc played 8 cm (3”) or 12 cm (5”) (1) CD-Audio (CD-DA) (2) CD-R/RW (CD-DA, MP3* formatted disc) (3) MP3* * MPEG-1 Layer 3, MPEG-2 Layer 3 Bit rate MP332 kbps to 320 kbps Sampling frequency MP332 kHz, 44.1 kHz, 48 kHz CD-DA44.1 kHz Decoding16 bit linear

8、Digital filter8 fs D/A converterMASH (1 bit DAC) Pick up Wavelength780 nm Beam SourceSemiconductor laser Audio output (Disc) Number of channels2 (Stereo) (FL, FR) n OPTION PORT SECTION Supported linking Media 1 Safety Precautions 4 1.1. General Guidelines 4 1.2. Before repair and adjustment 4 1.3. P

9、rotection Circuitry 5 1.4. Caution For Fuse Replacement 5 1.5. Safety Part Information 5 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 5 3 Handling Precautions For Traverse Deck 7 4 Precaution of laser diode 9 5 Warning 10 5.1. Service caution based on le

10、gal restrictions 10 6 Accessories 11 7 Operation Procedures 12 7.1. Main Unit Key Buttons Operations 12 7.2. Remote Control Key Buttons Operations 12 I-Pod Cradle Supported audio file format (1) CD-Audio (CD-DA) (2) CD-R/RW (CD-DA, MP3 formatted disc) (3) MP3 Bit Rate n GENERAL Power supplyAC 120 V,

11、 60Hz Power consumption150 W Powerconsumptioninstandby mode 0.28 W Dimensions (W x H x D)250 x 330 x 323 mm (9-27/32” x 13” x 12-23/32”) Mass7.1 kg (15.7 lb.) Operating temperature range+5 to +35C (+41 to +95F) Operating humidity range5 to 90% RH (no condensation) n SYSTEM SC-AK750 (P)Music center:

12、SA-AK750 (P) Speaker: SB-AK750 (P) Subwoofer: SB-WAK750 (P) SC-AK750 (PC)Music center: SA-AK750 (PC) Speaker: SB-AK750 (PC) Subwoofer: SB-WAK750 (PC) For information on speaker system, please refer to the original Service Manual (Order No. MD0703011CE) for SB-AK750P/PC-K /Serial I/P (No connection)

13、17BA1-Motor O/P (1);/Serial I/P (No connection) 18PRAMVSS33-GND (DRAM) 19PRAMVDD33-Power Supply Voltage (DRAM) 20PRAMVDD15-Power Supply Voltage (+1.6V) 21SPOUTOSpindle Drive O/P 22PCI/OSpindle motor drive O/P signal serial data/Monitoring I/P 23TRVPOTraverse Drive O/P (+ve) 24TRPOTracking Drive O/P

14、(+ve) 25FOPOFocusing Drive O/P (+ve) 26DVSS1-GND 27IOVDD2-Digital Power Supply Voltage 2 (I/O) 28DVDD1-Digital Power Supply Voltage 1 (Built-In) 29SRVMON0-No connection 30SRVMON1-No connection 31AVSS2-GND 32OSCINIOscillating Input 33CTRCRS-Tracking Cross Comparator 34VREF-+Vref Supply Voltage 35EITr

15、acking 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 43CENV-Detection Capacitance Connection terminal 44RFENVORF Envelope O/P 45RFOUTORF Summing

16、Amp O/P 46RFINISGC I/P 47AVDD2-Analog Power Supply voltage 2 (For DSL/PLL) 48ARFDC-AGC Capacitive Connection Terminal 49ARFOUTOAGC Output 50ARFFBIARF Feedback Signal I/P 51ARFINIAudio RF Signal I/P 52DSLF-Loop Filter Terminal (For DSL) Pin No.MarkI/OFunction 53IREFIReference I/P 54PLLFIPLL Loop Filt

17、er Terminal (Phase Compare) 55PLLF0OPLL Loop Filter Terminal (Speed Compare) 56OUTLOAudio O/P (LCH) 57AVSS1-GND 58AVDD1-Analog Power Supply Voltage 1 59OUTROAudio O/P (RCH) 60DVSS3-GND3 (Digital Circuit) 61NSRVMONONIServo Motor O/P Enabling 62EXT0-Expansion O/P Port 0 63EXT1-Expansion O/P Port 1 64E

18、XT2-Expansion O/P Port 2 65FLAG-Flag Signal O/P 66TX-Digital Audio Interface O/P signal 67MCLKIMicro-Computer Command Clock I/P 68MDATAIMicro-Computer Data I/P 69MLDIMicro-Computer Load I/P 70STATOStatus Signal O/P 71*BLKCKOSubcode Blk Clock 72NRSTOLSI Reset Signal 73*DQSYTXT-Pack Signal O/P for CD-

19、Text data (No connection) 74*SMCK-Micro-Computer Clock O/P (No connection) 75*PMCK-IOCNT Serial data O/P (Synchronous O/P) (No connection) 76DVDD2-Digital Power Supply Voltage 2 (+1.5V) 77IOVDD1-Digital Power Supply Voltage 1 (For I/O) 78DVSS2-GND2 (For Digital Circuit) 79NTEST2ITest Mode Setting (O

20、N:H) 80X2OCrystal Oscillating Circuit O/P 81X1ICrystal Oscillating Circuit I/P 82NTESTITest Mode Setting I/P (ON:H) 83D2I/OData Sigmal O/P 2 84D1I/OData Signal O/P 1 85D0I/OData Signal O/P 0 86D3I/OData Signal O/P 3 87D4I/OData Signal O/P 4 88D5I/OData Signal O/P 5 89D6I/OData Signal O/P 6 90D7I/ODa

21、ta Signal O/P 7 91D15I/OData Signal O/P 15 92D14I/OData Signal O/P 14 93DRVDD-I/O Power Supply Voltage (DRAM) 94D13I/OData Signal O/P 13 95D12I/OData Signal O/P 12 96D11I/OData Signal O/P 11 97D10I/OData Signal O/P 10 98D9I/OData Signal O/P 9 99D8I/OData Signal O/P 8 100SDRCKOClock Signal O/P 22 Ter

22、minal Function of ICs 22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal Processor/Digital filter and D/A Converter 90 SA-AK750P / SA-AK750PC Pin No.MarkI/OFunction 1IN2IMotor Driver 92 Input 2PC2ITurntable Motor Drive Signal (“L”:ON) 3IN1IMotor Drive (1) Input 4PC1-Traverse Motor Drive Signa

23、l (“L”): ON) 5-8N.C.-No Connection 9PGND1-Ground Connection (1) for Drive 10PVCC1-Power Supply (1) for Drive 11D1-OMotor Drive (1) reverse - action output 12D1+OMotor Drive (1) forward - action output 13D2-OMotor Drive (2) reverse - action output 14D2+OMotor Drive (2) forward - action output Pin No.

24、MarkI/OFunction 1LM_1OLevel Meter 2D_PORT DET1ID-Port DET 1 3D_PORT DET2ID-Port DET 2 4RDS_DATINo connection 5RDS_CLKINo connection 6IP_LinkICater for Ipod Link 7F_HOPOF_Hop for Digital Amp 8BYTE-External Data Bus Width Select Input (Connect to Ground) 9CNVSS-Flash Mode Terminal 10Xcin-32.768 kHz Su

25、b Clock 11Xcout-32.768 kHz Sub Clock 12/RESET-/RESET Input (ACTIVE L) 13Xout-10 MHz Main Clock 14Vss-Ground (0V) 15Xin-10 MHz Main Clock 16Vcc-Power Supply (+5V) 17/NMI-Connect to Vcc (+5V) 18RMTIRemote Control Input 19BLKCKICD Block Clock Input (Inverted) 20SYNCIAC Failure Detect Input 21DOISerial

26、Output Data 22DIOSerial Input Data 23S/woofer CSISubwoofer Chip Select 24SW_LVL1OSub-Woofer Level 1 25SW_LVL2OSub-Woofer Level 2 26ASP DATOASP Data 27ASP_CLKOASP Clock 28AK CSIAK model Chip Select 29NC-NC 30PLL_CLKI/OTuner PLL Clock 31I-POD TxDOCater for I Pod function 32I-POD RxDICater for I Pod fu

27、nction 33CLKOFlash Clock for On board writer 34XM_MUTE (BUSY)IXM Mute (Flash Busy for On board writer) 35XM_TX_OUTOXM Sys ctrl Output 36XM_RX_INIXM Sys Ctrl Input 37XM_I2S_RATEIXM I2S Rate 38XM LINKACTIVEXM Link Active 39MUTE_DAOFor Digital Amp Mute 40MUTE_AOAudio Mute 41EE_CS/EFP/EPMOEEPROM Chip Se

28、lect (Flash EPM for On board writer) 42EE_CLKOEEPROM CLOCK Pin No.MarkI/OFunction 15D3-OMotor Drive (3) reverse - action output 16D3+OMotor Drive (3) forward - action output 17D4-OMotor Drive (4) reverse - action output 18D4+OMotor Drive (4) forward - action output 19PVCC2-Power Supply (2) for Drive

29、r 20PGND2-Ground Connection (2) for Driver 21-24N.C.-No Connection 25VCC-Power Supply terminal 26VREF-Reference Voltage Input 27IN4IMotor Driver (4) Input 28IN3IMotor Driver (3) Input Pin No.MarkI/OFunction 43EE_DATI/OEEPROM DATA 44XM_DAC_ RESETOXM DAC Reset 45XM_ANT_REVIXM Ant Rev 46PCONT/EFP/CSOMa

30、in Transformer Control Output 47DCDETIDC Detect Input 48XM_RSTOXM Reset 49XM PCONTOXM PCONT 50STANDBYOFor Digital AMP 5-0v during FHOP 51VOL_LEDOVolume LED 52CEITUNER CE 53DMTODeck mute at mecha transition. L=mute OFF, H=mute ON 54BOTTOM_SWIBottom switch for CRS1 55UP_SENSORIUp/Down sensor for CRS1

31、56PLGOPlunger Control 57PhotoIPhoto (SG mechanism only) 58MTRI/ODeck motor control (“L” for motor OFF) 59RECI/OH when record circuit is operating 60DPORT PLAYOD-Port Play 61PAM CSIPAM Region Model Chip Select 62Vcc-Power Supply (+5V) 63H.Bass-_LEDOH.Bass LED 64Vss-Ground (0V) 65D-PORT R-SKIPOD-Port

32、Rev. Skip 66D-PORT F-SKIPOD-Port F-SKIP 67D-PORT_STOPOD-Port Stop 68D-PORT_RES2OD-Port FWD 69D-PORT_RES1OD-Port REV 70FL_CSOFL Driver Chip Select 71FL_DOUTOSerial Data To FL Driver 72FL_CLKOSerial Clock To FL Driver 73VOL LED CSINC 74USB_REQINC 75STATUSICD Servo LSI Status Input 76MLDI/OCD Command L

33、oad Output 77MDATA_OUTI/OCD Command Data Output 78MCLKI/OCD Command Clock Output 79/Reset_SWICD Limit Switch Input for the most Inner Point (Active Low) 80HOME_SWIHome Switch for CRS1 81CD_RSTI/OCD Reset output 82CLOSE_SWICLOSE switch for CRS1 22.2. IC7003 (BA5948FPE2) IC 4CH Drive 22.3. IC2801 (C2C

34、BYY000424) System Microprocessor 91 SA-AK750P / SA-AK750PC Pin No.MarkI/OFunction 83OPEN_SWIOpen switch for CRS1 84CWOCRS1 motor CW 85CCWOCRS1 motor CCW 86ST_SWIStock switch for CRS1 87PLAY_SWIPlay switch for CRS1 88PLUNGEROPlunger for CRS1 89REGADRegion Setting 90VOL_JOGADVolume jog 91D-PORT P-CONT

35、OD-Port P-CONT 92KEY3ADKey 3 Input 93KEY2ADKey 2 Input 94KEY1ADKey 1 Input 95Deck_AD1ADDeck AD input 1 96AVSS-Analog Power Supply Input (Connect to GND) 97Deck_AD2ADDeck AD input 2 98Vref-Reference for A-D (5V) 99Avcc-Analog Power Supply Input 100DEMO_SETI(H= default demo on, L= default demo off) 92

36、 SA-AK750P / SA-AK750PC 23 Exploded Views 23.1. Cabinet Parts Location SA-AK750P / SA-AK750PC 93 SA-AK750P / SA-AK750PC 94 23.2. Deck Mechanism Parts Locations (RAA4403-S) SA-AK750P / SA-AK750PC 95 23.3. Packaging SA-AK750P / SA-AK750PC 96 Notes: Ref. No.Part No.Part Name & DescriptionRemarks CABINE

37、T AND CHASSIS 1J3CCBB000009TUNER PACKM 2REEV013921P FFC (DECK-MAIN)M 3REEV014022P FFC (CD-MAIN)M 4REEV014117P FFC (XM-MAIN)M 5REEX073730P FFC WIREM 6REEX074714P FFC WIREM 7RGKV0158-KCD LIDM 9RGLV0069-QVOLUME KNOB LIGHTM 10RGLV0070-QPOWER BUTTON LIGHTM 11RGPV0092-KFRONT PANELM 12RGRV0052D-AREAR PANEL

38、MP 12RGRV0052D-BREAR PANELMPC 13RGUV0162-KOPTION BUTTONM 14RGUV0163-KSELECTOR BUTTONM 15RGUV0164-KCD CHANGER/POWER BTNM 16RGUV0165-K5CD CHANGE BUTTONM 17RGUV0166-KFUNCTION BUTTON LM 18RGUV0167-KFUNCTION BUTTON RM 19RGUV0177A-1S7 CONTROL BUTTONM 21RGWX0072-SVOLUME KNOBM 22RHD26046-LSCREWM 23RMC0158-S

39、2TRANSISTOR HOLDERM 24RHD30007-K2JSCREWM 25RHD30111-3SCREWM 26RHD30119-SSCREWM 27RKA0072-KJLEG CUSHIONM 28RKFV0062-1SCASSETE LIDM 29RKMV0071-KJTOP CABINETM 30RKWV0068B-KFL WINDOWM 31RMBV0042-2CASS LID SPRINGM 32RMBV0052DVD LID SPRINGM 33RMGX0033CUSHION RUBBERM 34RMGX0044-1D.AMP. INSULATORM 35L6FALEF

40、H0030FAN UNITM 36RMKX0113-3CD CHASSISM 37RMKX0118ABOTTOM CHASSISM 38RMQV0076-WREFLECTORM 39RMVV0073A-KFL WINDOW BACKGROUNDM Ref. No.Part No.Part Name & DescriptionRemarks 40RMYX0131-1SUB HEAT SINKM 44RUS757ZAACASS HALF SPRINGM 45RXGX0002DAMPER GEARM 46RXXV0048HEAT SINK UNITM 48XTV3+10GFJ-MSCREWM 49X

41、TW3+12TFJSCREWM 50XTWS3+6TFJSCREWM 51REXX03259P FLAT WIREM 52REXX0324-19P FLAT WIREM 53RMNV0079FL HOLDERM 54RMNV0059LED HOLDERM 55REEV016616P FFC (PORT-MAIN)M 56RMNV0088PORT HOLDERM 57XTW3+10TFCSCREWM 58RSCV0083XM SHIELDM CASSETTE DECK 101RED0067-2R/P HEADM 103RDG0300REEL BASE GEARM 104RDG0301WINDIN

42、G RELAY GEARM 105RDK0026-4MAIN GEARM 107RDV0033-4WINDING BELTM 108RDV0064-1CAPSTAN BELTM 110RMB0312TRIGGER LEVER SPRINGM 111RMB0400REEL SPRINGM 112RMB0403HEAD PANEL SPRINGM 113RMB0404BRAKE ROD SPRINGM 114RMB0406-5FR LEVER SPRINGM 115RMB0408THRUST SPRINGM 116RML0370-4TRIGGER LEVERM 117RML0371FR LEVER

43、M 118RML0372-2WINDING LEVERM 119RML0374-2EJECT LEVERM 120RMM0131-1BRAKE RODM 121RMM0133-1EJECT RODM 122RMQ0519REEL HUBM 123RMS0398-1MOVING COREM 124RXQ0470-2PLUNGER ASSYM 125RMC0061PACK SPRINGM 24 Replacement Parts List Important safety notice: Components identified bymark have special characteristi

44、cs important for safety. Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used. When replacing any of these components, be sure to use only manufacturers specified parts shown in the parts list. The parenthe

45、sized indications in the Remarks columns specify the areas or colour. (Refer to the cover page for area or colour) Parts without these indications can be used for all areas. Warning: This product uses a laser diode. Refer to caution statements on “Precaution of Laser Diode”. Capacitor values are in

46、microfarads (F) unless specified otherwise, P= Pico-farads (pF), F= Farads. Resistance values are in ohms, unless specified otherwise, 1K=1,000 (OHM). The marking (RTL) indicates that the Retention Time is limited for this items. After the discontinuation of this assembly in production, the item wil

47、l continue to be available for a specific period of time. The retention period of a availability is dependent on the type of assembly, and in accordance with the laws governing part and product retention. After the end of this period, the assembly will no longer be available. M Indicates in the Rema

48、rks columns indicates parts supplied by PAVCSG. Reference for O/I book languages are as follows: Ar:ArabicDu:DutchIt:ItalianSpSpanish Cf:Canadian FrenchEn:EnglishKo:KoreanSw:Swedish Cz:CzechFr:FrenchPo:PolishCo:Traditional Chinese Da:DanishGe:GermanRu:RussianCn:Simplified Chinese Pe:PersianUr:Ukrain

49、ePr:Portuguese 97 SA-AK750P / SA-AK750PC Ref. No.Part No.Part Name & DescriptionRemarks 126RXF0061-1FLYWHEEL F ASSYM 128RXG0040FF RELAY GEAR ASSYM 129RMK0283A-2SUB-CHASSISM 130RXL0124PINCH ROLLER F ASSYM 130-1RMB0401PINCH ARM SPRING FM 132RXL0126WINDING ARM ASSYM 133RXQ0412-3HEAD PANEL ASSYM 133-1RMB0405-1FR ROD SPRINGM 133-2RMM0132-1FR RODM 134REM0120CAP MOTOR ASSYM 135RHD26022-1MOTOR SCREWM 136XTW2+5LFJSCREWM 137XTW26+10SFJSUB-CHASSIS SCREWM 138XYC2+JF17FJPCB EARTH SCREWM 139RFKJSTR280PPCHASSIS ASSYM TRAVERSE DECK 360RAE0165A-VTRV