Panasonic-SAAK450GCP-cs-sm 电路图 维修手册.pdf

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1、n AMPLIFIER SECTION RMS output power THD 10%, both channels driven 1 kHz (Low channel)115 W per channel (3 ) 10 kHz (High channel)115 W per channel (3 ) Total Bi-Amp power460 W n FM/AM TUNER, TERMINALS SECTION Preset stationFM 20 stations AM 15 stations Frequency Modulation (FM) Frequency range 87.5

2、0 to 108.00 MHz (50 kHz step) Sensitivity4.0 V (IHF) S/N 26 dB2.2 V Antenna terminal(s)75 (unbalanced) Amplitude Modulation (AM) Frequency range522 to 1629 kHz (9 kHz step) 520 to 1630 kHz (10 kHz step) Sensitivity S/N 20 dB (at 999 kHz)560 V/m 2007 Matsushita Electric Industrial Co. Ltd. All rights

3、reserved.Unauthorizedcopyingand distribution is a violation of law. SA-AK450GCP Colour (K). Black Type Audio performance (Amplifier) Input sensitivity/Input impedance Aux250mV, 14.7 k Music Port input jack TerminalStereo, 3.5 mm jack Sensitivity100 mV, 4.7 k Phone jack TerminalStereo, 3.5 mm jack MI

4、C jack TerminalMono, 3.5 mm jack Sensitivity0.7 mV, 680 n CASSETTE DECK 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 frequenc

5、y response (+3, -6 dB) at DECK OUT NORMAL35 Hz to 14 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 mechanism. Specifications ORDER NO. MD0703009CE RadioFans.CN 收音机爱 好者资料库 S/N Ratio50 dB (A weigh

6、ted) Wow and flutter0.18 % (WRMS) Fast forward and rewind timeApprox. 120 seconds with C-60 cassette tape n DISC SECTION Disc played 8 cm or 12 cm (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

7、 MP332 kHz, 44.1 kHz, 48 kHz CD-DA44.1 kHz Decoding16 bit linear 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 USB SECTION Playable USB Storage Media 1) HDD 2) USB MP3 Player/Digita

8、l audio player 3) USB Thumbdrives Supported audio file format MP3 bit rate 1 Safety Precautions 4 1.1. General Guidelines 4 1.2. Before Use 4 1.3. Before repair and adjustment 4 1.4. Protection Circuitry 4 1.5. Safety Part Information 5 2 Prevention of Electro Static Discharge (ESD) to Electrostatic

9、ally 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 legal restrictions 10 6 Accessories 11 7 Operating Procedures 12 USB memory port Maximum current500 mA Bit rate MP332 kbps to 320 kbps Sampling frequency

10、MP332 kHz, 44.1 kHz, 48 kHz Audio output (MP3) Number of channels2 channel Frequency response (MP3)1 kHz to 10 kHz (0+/-1.0 dB) S/N Ratio USB unit out85 dB n GENERAL Power supply AC 110 to 127/220 to 240 V, 50/60Hz Power consumption121 W Powerconsumptioninstandby mode 0.7 W (Approx.) Dimensions (W x

11、 H x D)250 x 330 x 323 mm Mass7.1 kg Operating temperature range+5 to +35C Operating humidity range5 to 90% RH (no condensation) n SYSTEM SC-AK450 (GCP)Music center: SA-AK450 (GCP) Speakers: SB-AK450 (PL) For information on speaker system, please refer to the original Service Manual (Order No. MD070

12、3008CE) for SB-AK450PL-K. Notes: 1. Specifications are subject to change without notice. Mass and dimensions are approximate. 2. Total harmonic distortion is measured by the digital spectrum analyzer. 7.1. Main Unit Key Buttons Operations 12 7.2. Remote Control Key Buttons Operations 13 8 New Featur

13、es 14 8.1. Using the Music Port and USB Mass Storage Class Device 14 9 Self diagnosis and special mode setting 16 9.1. Service Mode Summary Table 16 9.2. Special Mode Table 1 16 9.3. Reliability Test Mode (CRS1 Mechanism) 19 9.4. Error code Table Display 20 10 Assembling and Disassembling 24 10.1. C

14、aution 24 10.2. Disassembly flow chart 25 10.3. Main Parts Location 26 CONTENTS Page Page 2 SA-AK450GCP RadioFans.CN 收音机爱 好者资料库 10.4. Disassembly of Top Cabinet 27 10.5. Disassembly of CD Changer Unit (CRS1) 27 10.6. Disassembly of Rear Panel 28 10.7. Disassembly of Main P.C.B. 30 10.8. Disassembly

15、of Transformer P.C.B. 30 10.9. Disassembly of Power P.C.B. 31 10.10. Disassembly of Front Panel Unit 32 10.11. Disassembly for Panel P.C.B. 33 10.12. Disassembly of Tact Switch P.C.B. 34 10.13. Disassembly of USB P.C.B. 34 10.14. Disassembly of Deck mechanism unit 35 10.15. Disassembly of Deck P.C.B

16、. 35 10.16. Disassembly of Traverse Unit 36 10.17. Disassembly for Deck Mechanism 37 10.18. Disassembly of Deck Mechanism P.C.B. 40 10.19. Disassembly of cassette lid 41 10.20. Rectification for tape jam problem 41 11 Service Fixture and Tools 43 12 Service Positions 43 12.1. Checking and Repairing

17、of Main P.C.B. 43 12.2. Checking and Repairing of Transformer P.C.B. 44 12.3. Checking and Repairing of Panel, Deck /Serial I/P (No connection) 17BA1-Motor O/P (1);/Serial I/P (No connection) 18PRAMVSS33-GND (DRAM) 19PRAMVDD33-Power Supply Voltage (DRAM) 20PRAMVDD15-Power Supply Voltage (+1.6V) 21SP

18、OUTOSpindle Drive O/P 22PCI/OSpindle motor drive O/P signal serial data/Monitoring I/P 23TRVPOTraverse Drive O/P (+ve) 24TRPOTracking Drive O/P (+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-S

19、ervo Monitor (0) O/P (No connection) 30SRVMON1-Servo Monitor (1) O/P (No connection 31AVSS2-GND 32OSCINIOscillating Input 33CTRCRS-Tracking Cross Comparator 34VREF-+Vref Supply Voltage 35EITracking Input Signal 1 36FITracking Input Signal 2 37DIFocusing Input Signal 4 38BIFocusing Input Signal 2 39C

20、IFocusing 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 Amp O/P 46RFINISGC I/P 47AVDD2-Analog Power Supply voltage 2 (For DSL/PLL) 48ARFDC-AGC Capacitive Connection

21、Terminal 49ARFOUTOAGC Output 50ARFFBIARF Feedback Signal I/P 51ARFINIAudio RF Signal I/P Pin No.MarkI/OFunction 52DSLF-Loop Filter Terminal (For DSL) 53IREFIReference I/P 54PLLFIPLL Loop Filter Terminal (Phase Compare) 55PLLF0OPLL Loop Filter Terminal (Speed Compare) 56OUTLOAudio O/P (LCH) 57AVSS1-G

22、ND 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 64EXT2-Expansion O/P Port 2 65FLAG-Flag Signal O/P 66TX-Digital Audio Interface O/P signal 67MCLKIMicro-Computer

23、 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-Text data (No connection) 74*SMCK-Micro-Computer Clock O/P (No connection) 75*PMCK-IOCNT Serial data O/P (Syn

24、chronous 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 (ON:H) 80X2OCrystal Oscillating Circuit O/P 81X1ICrystal Oscillating Circuit I/P 82NTESTITest Mode Setting I/P

25、(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/OData Signal O/P 7 91D15I/OData Signal O/P 15 92D14I/OData Signal O/P 14 93DRVDD-I/O Power Supply Voltage (DRAM)

26、 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 Terminal Function of ICs 22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal Processor/Digital filter and

27、D/A Converter 86 SA-AK450GCP 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 10PVCC1-Power Supply (1) for Drive 11D1-OMotor

28、 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.MarkI/OFunction 1LM_1OLevel Meter 2D_PORT DET1ID-Port DET 1 3D_PORT DET2ID-Port DET 2 4RDS_DAT-No connection 5RDS_CLK-No

29、 connection 6IP_Link-No connection 7F_HOPOF_Hop for Digital Amp 8BYTE-External Data Bus Width Select Input (Connect to Ground) 9CNVSS-Flash Mode Terminal 10Xcin-32.768 kHz Sub Clock 11Xcout-32.768 kHz Sub Clock 12/RESET-/RESET Input (ACTIVE L) 13Xout-10 MHz Main Clock 14Vss-Ground (0V) 15Xin-10 MHz

30、Main Clock 16Vcc-Power Supply (+5V) 17/NMI-Connect to Vcc (+5V) 18RMTIRemote Control Input 19BLKCKICD Block Clock Input (Inverted) 20SYNCIAC Failure Detect Input 21D0OSerial Output Data 22DIISerial Input Data 23S/woofer CSISubwoofer Chip Select 24SW_LVL1-Subwoofer Level Control 1 25SW_LVL2-Subwoofer

31、 Level Control 2 26ASP DATOASP Data Signal 27ASP_CLKOASP Clock Signal 28AK CSIModel Chip Select 29NC-No connection 30PLL_CLKI/OTuner PLL Clock 31USB_SDA (TxD)I/OUSB I2C data line (Flash Tx for On board writer) 32USB_SCL (RxD)I/OUSB I2C Clock line (Flash RxD for On board writer) 33USB_RSTOUSB Reset P

32、in. 34XM_MUTE (BUSY)-No connection 35VERR.OVerify Error for USB Version up Using CD 36XM_RX_IN-No connection 37XM_I2S_RATE-No connection 38TERROTime Out Error for USB Version Up using CD 39MUTE_DAODigital Amp Muting Control 40MUTE_AOAudio Muting Control Pin No.MarkI/OFunction 15D3-OMotor Drive (3) r

33、everse - 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 Driver 20PGND2-Ground Connection (2) for Driver 21-24N.C.-No Connection 25VCC-Power Supply terminal 26VREF-Ref

34、erence Voltage Input 27IN4IMotor Driver (4) Input 28IN3IMotor Driver (3) Input Pin No.MarkI/OFunction 41EE_CS/EFP/EPMOEEPROM Chip Select (Flash EPM for On board writer) 42EE_CLKOEEPROM CLOCK 43EE_DATI/OEEPROM DATA 44XM_DAC_ RESET-No connection 45XM_ANT_REV-No connection 46PCONT/EFP/CSOMain Transform

35、er Control Output 47DCDETIDC Detect Input 48XM_RST-No connection 49XM PCONT-No connection 50STANDBYOFor Digital AMP 5-0v during FHOP 51VOL_LEDOVolume LED 52CEITuner Chip Enable 53DMTODeck mute at mecha transition. L=mute OFF, H=mute ON 54BOTTOM_SWIBottom switch for CRS1 55UP_SENSORIUp/Down sensor fo

36、r CRS1 56PLGOPlunger Control 57PhotoIPhoto (SG mechanism only) 58MTRI/ODeck motor control (“L” for motor OFF) 59RECI/OH when record circuit is operating 60MMOD0IMicon Mode Switching for USB Version Up using CD 61PAM CSIPAM Region Model Chip Select 62Vcc-Power Supply (+5V) 63H.Bass LEDOH.Bass LED Dri

37、ve 64Vss-Ground (0V) 65D-PORT R-SKIP-No connection 66D-PORT F-SKIP-No connection 67D-PORT_STOP-No connection 68D-PORT_RES2-No connection 69D-PORT_RES1-No connection 70FL_CSOFL Driver Chip Select 71FL_DOUTOSerial Data To FL Driver 72FL_CLKOSerial Clock To FL Driver 73VOL LED CSIVOL LED Chip Select 74

38、USB_REQIUSB Request. 75STATUSICD Servo LSI Status Input 76MLDI/OCD Command Load Output 77MDATA_OUTI/OCD Command Data Output 78MCLKI/OCD Command Clock Output 22.2. IC7002 (BA5948FPE2) IC 4CH Drive 22.3. IC2801 (C2CBYY000423) System Microprocessor 87 SA-AK450GCP Pin No.MarkI/OFunction 79/Reset_SWICD L

39、imit Switch Input for the most Inner Point (Active Low) 80HOME_SWIHome Switch for CRS1 81CD_RSTI/OCD Reset output 82CLOSE_SWICLOSE switch for CRS1 83OPEN_SWIOpen switch for CRS1 84CWOCRS1 motor CW 85CCWOCRS1 motor CCW 86ST_SWIStock switch for CRS1 87PLAY_SWIPlay switch for CRS1 88PLUNGEROPlunger for

40、 CRS1 89REG-Region Setting 90VOL_JOGIVolume jog 91DP P-CONT-No connection 92KEY3IKey 3 Input 93KEY2IKey 2 Input 94KEY1IKey 1 Input 95Deck_AD1IDeck AD input 1 96AVSS-Analog Power Supply Input (Connect to GND) 97Deck_AD2IDeck AD input 2 98Vref-Reference for A-D (5V) 99Avcc-Analog Power Supply Input 10

41、0DEMO_SETI(H= Default demo On, L= Default demo off) 88 SA-AK450GCP 23 Exploded Views 23.1. Cabinet Parts Location SA-AK450GCP 89 SA-AK450GCP 90 23.2. Deck Mechanism Parts Location (RAA4403-S) SA-AK450GCP 91 23.3. Packaging SA-AK450GCP 92 Notes: Ref. No.Part No.Part Name & DescriptionRemarks CABINET

42、AND CHASSIS 1J3CCBB000009TUNER PACKM 2REEV013921P FFC (DECK-MAIN)M 3REEV014022P FFC (CD-MAIN)M 4REEV014222P FFC (CDMAIN)M 5REEX073730P FFC WIREM 6REEX074714P FFC WIREM 7RGKV0158-KCD LIDM 8RGKV0168-SUSB ORNAMENTM 9RGLV0069-QVOLUME KNOB LIGHTM 10RGLV0070-QPOWER BUTTON LIGHTM 11RGPV0092A-KFRONT PANELM

43、12RGRV0052C-AREAR PANELM 13RGUV0162-KUSB BUTTONM 14RGUV0163-KSELECTOR BUTTONM 15RGUV0164-KCD CHANGER/POWER BTNM 16RGUV0165-K5CD CHANGE BUTTONM 17RGUV0166-KFUNCTION BUTTON LM 18RGUV0167-KFUNCTION BUTTON RM 19RGUV0177-1S7 CONTROL BUTTONM 20RGWX0056-1KMIC VOLUME KNOBM 21RGWX0072-SVOLUME KNOBM 22RHD2604

44、6-LSCREWM 23RMC0158-S2TRANSISTOR HOLDERM 24RHD30007-K2JSCREWM 25RHD30111-3SCREWM 26RHD30119-SSCREWM 27RKA0072-KJLEG CUSHIONM 28RKFV0062-1SCASSETE LIDM 29RKMV0071-KJTOP CABINETM 30RKWV0068A-KFL WINDOWM 31RMBV0042-2CASS LID SPRINGM 32RMBV0052DVD LID SPRINGM 33RMGX0033CUSHION RUBBERM 34RMGX0044-1D.AMP.

45、 INSULATORM 35L6FALEFH0030FAN UNITM 36RMKX0113-3CD CHASSISM 37RMKX0118ABOTTOM CHASSISM 38RMQV0076-WREFLECTORM Ref. No.Part No.Part Name & DescriptionRemarks 39RMVV0073-KFL WINDOW BACKGROUNDM 40RMYX0131-1SUB HEAT SINKM 41RSCV0086-1USB CASSING BTMM 42RSCV0087B-1USB CASSING TOPM 43RSCV0091USB GROUND PL

46、ATEM 44RUS757ZAACASS HALF SPRINGM 45RXGX0002DAMPER GEARM 46RXXV0048HEAT SINK UNITM 48XTV3+10GFJ-MSCREWM 49XTW3+12TFJSCREWM 50XTWS3+6TFJSCREWM 51REXX03259P FLAT WIREM 52REXX0324-19P FLAT WIREM 53RMNV0079FL HOLDERM 54RMNV0059LED HOLDERM 55RMNV0087LED HOLDERM 57XTW3+10TFCSCREWM CASSETTE DECK 101RED0067

47、-2R/P HEADM 103RDG0300REEL BASE GEARM 104RDG0301WINDING 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

48、 SPRINGM 116RML0370-4TRIGGER LEVERM 117RML0371FR LEVERM 118RML0372-2WINDING LEVERM 119RML0374-2EJECT LEVERM 120RMM0131-1BRAKE RODM 121RMM0133-1EJECT RODM 122RMQ0519REEL HUBM 123RMS0398-1MOVING COREM 24 Replacement Parts List Important safety notice: Components identified bymark have special characte

49、ristics 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 parenthesized 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. Re