Panasonic-SANS55E-cs-sm 电路图 维修手册.pdf
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1、n Amplifier Section RMS OUTPUT POWER both channel driven simultaneously 10 % Total harmonic distortion 15 W per channel (6 ) Input impedance MUSIC PORT12 K Output impedance HEADPHONE16 to 32 Phone jack TerminalStereo, 3.5 mm Music Port input jack TerminalStereo, 3.5 mm n FM Tuner Section Frequency r
2、ange87.5 to 108.00 MHz (50 kHz step) Sensitivity0.10 V (IHF) S/N 26 dB1.20 V Antenna terminals75 (unbalanced) Preset stationFM 20 stations AM 15 stations n AM Tuner Section Frequency range522 to 1629 kHz (9 kHz steps) 520 to 1630 kHz (10 kHz steps) Sensitivity S/N 20 dB (at 999 kHz)1000 V/m 2007 Mat
3、sushita Electric Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-NS55E SA-NS55EG Colour (S). Silver Type 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 Sampling frequency CD44.1 kHz MP33
4、2 kHz, 44.1 kHz, 48 kHz Bit rate MP332 kbps to 384 kbps Decoding16/20/24 bit linear Pickup Wavelength785 nm Beam sourceSemiconductor laser Laser powerCLASS 1 Audio output (Disc) Number of channels2 channel Frequency response20 Hz to 20 kHz (+1, -2dB) Wow and flutterBelow measurable limit Digital fil
5、ter8 fs D/A converterMASH (1 bit DAC) n USB Section Playable USB Storage Media (1) HDD (2) USB MP3 player/Digital audio player (3) USB Thumbdrives CD Stereo System Specification ORDER NO. MD0703016CE RadioFans.CN 收音机爱 好者资料库 Supported audio file format MP3 Bit rate USB memory port Maximum current500m
6、A Bit rate MP332 kbps, 128 kbps, 320 kbps Audio output (MP3) Number of channels2 channel Frequency response (MP3)1 kHz to 10 kHz (0+/-1.0 dB) n General Power supplyAC 230 V, 50 Hz Power consumption54 W Dimensions (W x H x D)212 mm x 184 mm x 308 mm 1 Safety Precautions 4 1.1. General Guidelines 4 1.
7、2. Before Repair and Adjustment 5 1.3. Protection Circuitry 5 1.4. Safety Part Information 5 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 6 3 Precaution of Laser Diode 7 4 Handling Precautions For Traverse Deck 8 5 Handling the Lead free Solder 9 5.1. Ge
8、neral description about Lead Free Solder (PbF) 9 6 Accessories 10 7 Operation Procedures 11 7.1. Main Unit Key Buttons Operation 11 7.2. Remote Control Key Buttons Operation 11 7.3. Disc Information 12 8 Self diagnosis and special mode setting 13 8.1. Service Mode Summary Table 13 8.2. Service Mode
9、Table 13 8.3. Error Code Table 16 9 Assembling and Disassembling 17 9.1. Caution 17 9.2. Disassembly flow chart 18 9.3. Main Parts Location Diagram 19 9.4. Disassembly of Top Cabinet Unit 20 9.5. Disassembly of D-Port and HP / Music Port P.C.B. 21 9.6. Disassembly of USB P.C.B. 21 9.7. Disassembly o
10、f Tuner Pack 22 9.8. Disassembly of Rear Cabinet Unit 23 9.9. Disassembly of Power and AC Inlet P.C.B. 23 9.10. Disassembly of Transformer P.C.B. 24 Mass3.5 kg Operating temperature range+5 to +35C Operation humidity range5 to 90% RH (no condensation) Powerconsumptioninstandby mode 0.7 W (approx.) N
11、otes : 1. Specifications are subject to change without notices. Mass and dimensions are approximate. 2. Total harmonic distortion is measured by the digital spectrum analyzer. n System : SC-NS55E-SMusic center: SA-NS55E-S Speaker: SB-NS55EG-S n System : SC-NS55EG-SMusic center: SA-NS55EG-S Speaker:
12、SB-NS55EG-S 9.11. Disassembly of Front Panel 25 9.12. Disassembly of Panel P.C.B. 25 9.13. Disassembly of Main P.C.B. 26 9.14. Disassembly of Switch P.C.B. 26 9.15. Disassembly of Motor P.C.B. 27 9.16. Disassembly of Gear Box 28 9.17. Disassembly of CD Loading Block 28 9.18. Disassembly of CD Mechan
13、ism 30 9.19. Disassembly of Traverse Unit, Driving Gear, and Cam Gear (CD Mechanism Unit) 32 10 Service Positions 36 10.1. Checking and Repairing of HP / Music Port, D-Port and USB (side B) P.C.B. 36 10.2. Checking and Repairing of Panel P.C.B. 37 10.3. Checking and Repairing of Switch and Motor P.C
14、.B. 38 10.4. Checking and Repairing Transformer P.C.B. 39 10.5. Checking and Repairing Power and AC Inlet P.C.B. 40 10.6. Checking and Repairing Main P.C.B. 41 10.7. Checking and Repairing CD Servo P.C.B. 42 11 Voltage Measurement /Serial I/P 17BA1-Motor O/P (1);/Serial I/P 18PRAMVSS33-GND (DRAM) 19
15、PRAMVDD15-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 (+ve) 24TRPOTracking Drive O/P (+ve) 25FOPOFocusing Drive O/P (+ve) 26DVSS1-GND 27IOVDD2-Digital Power
16、Supply Voltage 2 28DVDD1-Digital Power Supply Voltage 1 (Built-In) 29SRVMON0-Servo Monitor (0) O/P 30SRVMON1-Servo Monitor (1) O/P 31AVSS2-GND 32OSCIN-Oscillating Input 33CTRCRS-Tracking Cross Comparator 34VREF-+Vref Supply Voltage 35EITracking Input Signal 1 36FITracking Input Signal 2 37DIFocusing
17、 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 Amp O/P 46RFINISGC I/P 47AVDD2-Analog Power Supply voltage 2 (
18、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) 53IREFIReference I/P 54PLLFIPLL Loop Filter Terminal (Phase Compare) 55PLLF0OPLL Loop Filter Terminal (Speed Compare) Pin No.M
19、arkI/OFunction 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 64EXT2-Expansion O/P Port 2 65FLAG-Flag Signal O/P 66TX-Digital A
20、udio Interface O/P signal 67MCLKIMicro-Computer Command Clock I/P 68MDATAIMicro-Computer Data I/P 69MLDIMicro-Computer Load I/P 70STATOStatus Signal O/P 71BLKCKOSubcode Blk Clock 72NRSTOLSI Reset Signal 73DQSYTXT-Pack Signal O/P for CD-Text data 74SMCK-Micro-Computer Clock O/P 75PMCK-IOCNT Serial da
21、ta O/P (Synchronous O/P) 76DVDD2-Digital Power Supply Voltage 2 (+1.5V) 77IOVDD1-Digital Power Supply Voltage 1 (For I/O) 78DVSS2-GND2 (For Digital Circuit) 79NTEST2-Test Mode Setting (ON:H) 80X2OCrystal Oscillating Circuit O/P 81X1ICrystal Oscillating Circuit I/P 82NTESTITest Mode Setting I/P (ON:H
22、) 83D2OData Signal O/P 2 84D1OData Signal O/P 1 85D0OData Signal O/P 0 86D3OData Signal O/P 3 87D4OData Signal O/P 4 88D5OData Signal O/P 5 89D6OData Signal O/P 6 90D7OData Signal O/P 7 91D15OData Signal O/P 15 92D14OData Signal O/P 14 93DRVDD-I/O Power Supply Voltage (DRAM) 94D13OData Signal O/P 13
23、 95D12OData Signal O/P 12 96D11OData Signal O/P 11 97D10OData Signal O/P 10 98D9OData Signal O/P 9 99D8OData Signal O/P 8 100SDRCKOClock Signal O/P 18 Terminal Function of ICs 18.1. IC7001 (MN6627954MA) IC SERVO PROCESSOR/DIGITAL SIGNAL PROCESSOR/DIGITAL FILTER D/A CONVERTER 72 SA-NS55E / SA-NS55EG
24、Pin No.MarkI/OFunction 1IN2IMotor Driver 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 Drive (1) reverse - action outp
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