Technics-SUC909U-pre-sm 电路图 维修手册.pdf

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1、Table Of Contents COVER 1 Note 2 Location of Controls 3 To Supply Power Source 3.1 Power Supply to Main Circuit 3.2 Operation Check 4 Operation Checks and Component ReplacementProcedures 5 Type Illustration of ICs, Transistors and Diodes 6 Schematic Diagram 6.1 Schematic Diagram Notes 6.2 Schematic

2、Diagram 7 Printed Circuit Board Diagram 8 Block Diagram 9 Wiring Connection Diagram 10 Measurements and Adjustments 10.1 Measurement instruments and Special tools 10.2 Output Voltage Adjustment 11 Terminal Function of ICs 11.1 IC701 (M38503M2404F) : Micro Computer 12 Replacement Parts List 13 Cabine

3、t Parts Location 14 Packaging Service Manual TOP NEXT AD9907176C2 Control Amplifier G SU-C909U Colour (K).Black Type Area (E).Europe and Russia. RadioFans.CN 收音机爱 好者资料库 PV PV 1999 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of la

4、w. TOP NEXT RadioFans.CN 收音机爱 好者资料库 Table Of Contents COVER 1 Note 2 Location of Controls 3 To Supply Power Source 3.1 Power Supply to Main Circuit 3.2 Operation Check 4 Operation Checks and Component ReplacementProcedures 5 Type Illustration of ICs, Transistors and Diodes 6 Schematic Diagram 6.1 Sc

5、hematic Diagram Notes 6.2 Schematic Diagram 7 Printed Circuit Board Diagram 8 Block Diagram 9 Wiring Connection Diagram 10 Measurements and Adjustments 10.1 Measurement instruments and Special tools 10.2 Output Voltage Adjustment 11 Terminal Function of ICs 11.1 IC701 (M38503M2404F) : Micro Computer

6、 RadioFans.CN 收音机爱 好者资料库 12 Replacement Parts List 13 Cabinet Parts Location 14 Packaging PV PV Service Manual TOP NEXT AD9907176C2 Control Amplifier G SU-C909U Colour (K).Black Type Area (E).Europe and Russia. 1999 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying a

7、nd distribution is a violation of law. TOP NEXT 1 Note TOP PREVIOUS NEXT Refer to the servise manual for Model No. SE-A909S (ORDER No. AD9907177C2) for information on Accessories, Connections, Operations and Packaging. TOP PREVIOUS NEXT 2 Location of Controls TOP PREVIOUS NEXT TOP PREVIOUS NEXT 3 To

8、 Supply Power Source TOP PREVIOUS NEXT This unit SU-C909U is designed to operate on power supplied from the Power Amplifier SE-A909S. When operating the unit SU-C909U alone for testing and servicing, without having power supplied from the Power Amplifier SE-A909S, use the following method. 3.1 Power

9、 Supply to Main Circuit 3.2 Operation Check TOP PREVIOUS NEXT 3.1 Power Supply to Main Circuit TOP PREVIOUS NEXT 1. Apply 10 V AC power to the section between the point TP1 and the point TP2 . Shown in Fig.1 2. Connect the DC+12 V to+15 V (more than 0.1 A) to the point TP5 , and the GND terminal to

10、the point TP4 using the DC power supply. Shown in Fig.1 3. Connect the DC -12 V to -15 V (more than 0.1 A) to the point TP3 , and the GND terminal to the point TP4 using the DC power supply. Shown in Fig.1 TOP PREVIOUS NEXT 3.2 Operation Check TOP PREVIOUS NEXT 1. Input a signal (1 kHz, 100 mV) to t

11、he each line-in terminal. 2. Connect the oscilloscope or the speaker with the built-in amplifier to the PRE OUT terminals and check if the signals are outputting from this unit. Fig.1 TOP PREVIOUS NEXT 4 Operation Checks and Component Replacement/Procedures TOP PREVIOUS NEXT TOP PREVIOUS NEXT 5 Type

12、 Illustration of ICs, Transistors and Diodes TOP PREVIOUS NEXT TOP PREVIOUS NEXT 6 Schematic Diagram TOP PREVIOUS NEXT 6.1 Schematic Diagram Notes 6.2 Schematic Diagram TOP PREVIOUS NEXT 6.1 Schematic Diagram Notes TOP PREVIOUS NEXT G This schematic diagram may be modified at any time with the devel

13、opment of new technology. Notes: H S801: VGCA switch ( ) H S802: Tape monitor switch (TAPE MONITOR) H S804: Input select switch (SELECTOR) H S805: Unit on/off switch ( /I) H VR301: Volume control VR (VOLUME) H VR311: Output voltage adjustment VR (L ch) H VR312: Output voltage adjustment VR (R ch) H

14、VR401: Balance control VR (BALANCE) H VR402: Tone control VR (BASS) H VR403: Tone control VR (TREBLE) G Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some erro

15、rs in the voltage values, depending on theinternal impedance of the DC circuit tester. No mark : Power ON G Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-qua

16、lity sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufacturers specified parts shown in the parts list. G Caution! IC and LSI are sensitive to static electricity. Secondary trouble can be prevented by taking care during repair. Cove

17、r the parts boxes made of plastics with aluminum foil. Ground the soldering iron. Put a conductive mat on the work table. Do not touch the legs of IC or LSI with the fingers directly. G Voltage and signal line G : Positive voltage line G : Negative voltage line G : Phono signal line G : Tape rec sig

18、nal line TOP PREVIOUS NEXT 6.2 Schematic Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT 7 Printed Circuit Board Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT 8 Block Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT 9 Wiring Connection Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT 10 Measurements and Adjustments

19、 TOP PREVIOUS NEXT 10.1 Measurement instruments and Special tools 10.2 Output Voltage Adjustment TOP PREVIOUS NEXT 10.1 Measurement instruments and Special tools TOP PREVIOUS NEXT G AC electric voltmeter (AC EVM) G AF oscillator TOP PREVIOUS NEXT 10.2 Output Voltage Adjustment TOP PREVIOUS NEXT 1. T

20、urn on the power. 2. Select the input source to CD. 3. Connect the measuring instrument as shown in Fig.2 4. Apply 1 kHz, 200 mV signal to CD terminal. 5. Adjust the VOLUME to maximum. 6. Adjust VR311 (L ch) and VR312 (R ch) so that the output voltage to AC 1.00 V0.2 dB. Shown in Fig.3 Fig.2 G Adjus

21、tment Point Fig.3 TOP PREVIOUS NEXT 11 Terminal Function of ICs TOP PREVIOUS NEXT 11.1 IC701 (M38503M2404F) : Micro Computer TOP PREVIOUS NEXT 11.1 IC701 (M38503M2404F) : Micro Computer TOP PREVIOUS NEXT Pin No.NameI/OFunction 1VCCIPower supply (+5 V) terminal 2VREFIReference voltage input 3AGND-GND

22、 terminal 4CSIChip select signal input 5NC-Not used, open 6REMCONIRemote control signal input 7BACKUPIPower failure detect signal input 8NC-Not used, open 9SELDATAOData signal output for input select IC (IC201 and IC202) 10SELCLKOClock signal output for input select IC (IC201 and IC202) 11SELSTBOStr

23、obe signal output for input select IC (IC201 and IC202) 12POWERSWISelector switch (S804) detect signal input 13LEDCLKOClock signal output for LED drive IC 14LEDDATAOData signal output for LED drive IC 15CNVSS-Connected to GND 16VRDOWNOMotor drive signal output (Volume down) 17VRUPOMotor drive signal

24、 output (Volume up) 18RESETISystem reset signal input 19XINIConnected to the ceramic oscillator (8 MHz) 20XOUTOConnected to the ceramic oscillator (8 MHz) 21GND-GND terminal 22BATELED-Battery level (empty) LED (D809) drive signal output (Not used, open) 23BATFLED-Battery level (full) LED (D809) driv

25、e signal output (Not used, open) 24VIALEDOVIA LED drive signal output 25VGALEDOVGCA LED drive signal output 26STABYLEDOStand by LED drive signal output 27FRNTOUTOFront output control signal output 28CSWSOUT-Center/S.woofer/Surround output control signal output (Not used, open) 29PWRRLYOPower control

26、 signal output 30CHRGRLY-Battery charge relay control signal output (Not used, open) 31BATRLY-Battery drive relay control signal output (Not used, open) 32VGARLYOVGCA mode relay control signal output 33| 36 NC-Not used, open 37SELPH-Not used, open 38BATLVL2-Battery voltage detection (2) signal input

27、 (Not used, open) 39NC-Not used, open 40RSWADIPower switch (S805) detect signal input 41KEYADITape monitor and VGCA switch input 42BATLVL1-Battery voltage detection (1) signal input (Not used, open) TOP PREVIOUS NEXT 12 Replacement Parts List TOP PREVIOUS NEXT Notes: G Important safety notice: Compo

28、nents identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufactures specifie

29、d parts shown in the parts list. G The marking (RTL) indicates that Retention Time is Limited for this item. After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time. The retention period of availabilityis dependent on the type of

30、 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. G All parts are supplied by MESA. Ref. No.Part No.Part Name& DescriptionPcs. Remarks 1 RKM0078-1KTOP CABINET1 2 RHD30035-K1SCREW4 3 XTBS3+8JFZ1SCRE

31、W2 4 RGW0229-KKNOB,SELECTOR1 5 RGW0230-KKNOB,VOLUME1 6 RKA0053-AFOOT4 6-1 RMG0270-KRUBBER4 7 RDG0449GEAR2 8 RGB0031-ATECHNICS BADGE1 9 RGB0112-NVGCA BADGE1 10 RGG0168C-KPANEL1 11 RGK0747-SRING ORNAMENT2 12 RGK1111-KNUT4 13 RGK1163-KDISPLAY 11 14 RGK1164A-K1DISPLAY 21 15 RGL0453-QPANEL LIGHT 12 16 RG

32、L0454-QPANEL LIGHT 22 17 RGP0740A-KSUB GRILL1 18 RGP0743-KGRILL1 19 RGU0890-1KBUTTON,POWER1 20 RGU1712-KBUTTON,OPEN1 21 RGU1774-SBUTTON,VGCA1 22 RGW0205-SKNOB,3 23 RHD26033SCREW4 24 RHD26034SCREW3 25 RHN90001NUT2 26 RKF0593-QDOOR1 27 RKG0009MAGNET1 28 RKW0273A-KFILTER1 29 RME0284SPRING1 30 RMR1202-K

33、ARM(L)1 31 RMR1203-KARM(R)1 32 RMR1204-KMAGNET HOLDER1 33 RMR1205-KDAMPER HOLDER2 34 RMR1206-KDAMPER(R)1 35 RMR1207-KDAMPER(L)1 36 XTBS26+8JSCREW20 37 XTS2+4GFZSCREW4 38 SNE2123SCREW1 39 XTBS3+8JFZ1SCREW10 40 XTB3+20JFZSCREW5 41 XTB3+6JFZSCREW3 C101,02ECBT1H221KB550V 220P2 C103,04ECA1HPXS4R7B50V 4.7

34、U2 C107,08RCE1AKA330BG10V 33U2 C113,14ECQB1H682JF350V 6800P2 C115,16ECQB1H223JF350V 0.022U2 C117,18ECEA1VKA4R7B 35V 4.7U2 C119,20ECQB1H472JF350V 4700P2 C121,22ECKR1H103ZF550V 0.01U2 C123,24ECBT1H102KB550V 1000P2 C201,02ECBT1H101KB550V 100P2 C203-06ECCR1H101K550V 100P4 C211,12ECBT1H101KB550V 100P2 C2

35、15ECBT1H101KB550V 100P1 C217,18ECBT1C103NS516V 0.01U2 C219,20ECA1HPXS4R7B50V 4.7U2 C221ECBT1H101KB550V 100P1 C223,24ECBT1C103NS516V 0.01U2 C225,26ECA1HPXS4R7B50V 4.7U2 C231ECBT1E103ZF25V 0.01U1 C251-58ECBT1H101KB550V 100P8 C301,02ECBT1H181KB550V 180P2 C303,04ECBT1E103ZF25V 0.01U2 C305,06ECA1EPXS100B

36、25V 10U2 C351,52ECA1EPXS100B25V 10U2 C353,54ECCR1H101K550V 100P2 C355,56ECA1APXS22110V 220U2 C357,58ECBT1H820KB550V 82P2 C359,60ECBT1H390J550V 39P2 C361,62ECA1HPXS3R350V 3.3U2 C363,64ECBT1E103ZF25V 0.01U2 C367,68ECA1EPXS220B25V 22U2 C391,92ECEA0JKS1016.3V 100U2 C393,94ECFR1E104ZF525V 0.1U2 C401,02EC

37、EA1HKS01050V 1U2 C403-06ECBT1H101KB550V 100P4 C407,08ECBT1H560J550V 56P2 C409,10RCE1CKA470BG16V 47U2 C411,12ECBT1E103ZF25V 0.01U2 C415,16ECBT1C222KR516V 2200P2 C417,18ECBT0J153MS56.3V 0.015U2 C419,20ECBT1C332KR516V 3300P2 C421,22ECQV1H823JZ50V 0.082U2 C423,24ECBT0J153MS56.3V 0.015U2 C425,26ECBT1H121

38、KB550V 120P2 C427,28ECEA1HKS01050V 1U2 C513,14ECEA1HPS01050V 1U2 C515,16ECCR1H101J550V 100P2 C519,20ECA1EPXS100B25V 10U2 C521,22ECA1CPXS470B16V 47U2 C523,24ECCR1H331J550V 330P2 C601ECEA1HKS01050V 1U1 C607,08ECA1EPXS470B25V 47U2 C651ECA1EM22225V 2200U1 C655RCE1CKA470BG16V 47U1 C656ECQV1H104JM350V 0.1

39、U1 C658ECBT1C103NS516V 0.01U1 C701,02ECA0JM1026.3V 1000U2 C703RCE1HKAR47BG 50V 0.47U1 C704ECEA1HKS2R250V 2.2U1 C705,06ECBT1C103NS516V 0.01U2 C707,08RCE1HKAR22BG 50V 0.22U2 C709ECBT1C103NS516V 0.01U1 C801ECEA0JKS1016.3V 100U1 C802ECBT1E103ZF25V 0.01U1 C803ECBT1H104ZF550V 0.1U1 C804,05ECBT1H101KB550V

40、100P2 C806ECBT1H104ZF550V 0.1U1 CN301RJS1A6604CONNECTOR(4P)1 CN302RJS1A6607T1CONNECTOR(7P)1 CN303RJS1A6604CONNECTOR(4P)1 CN401RJS1A6607T1CONNECTOR(7P)1 CN701RJS7T4ZACONNECTOR(7P)1 CN702RJS8T4ZACONNECTOR(8P)1 D201,02MA165DIODE2 D501MA165DIODE1 D521MA165DIODE1 D601MA165DIODE1 D607MA165DIODE1 D651-54RL

41、1N4003N02DIODE4 D655,56MA167DIODE2 D658MA4056MDIODE1 D7011SS291TADIODE1 D702MA165DIODE1 D7041SS291TADIODE1 D705-07MA165DIODE3 D709,10MA165DIODE2 D712MA165DIODE1 D801-04SLR325VCT31LED4 D806-08SLR325VCT31LED3 D811SLR325DCT31LED1 D812,13SLR325VCT31LED2 D814,15SLR325DCT31LED2 D816-18SLR325VCT31LED3 IC10

42、1AN6558FIC1 IC201TC9163NIC1 IC202TC9164NIC1 IC311UPC4570CIC1 IC351UPC4570CIC1 IC391BA6218IC1 IC401NJM4580EDTE1IC1 IC511UPC4570CIC1 IC601M5F78M05LIC1 IC701M38503M2404FIC1 IC801BU2090AFE2IC1 JK201SJF3069-11NJACK,PHONO1 JK202-05SJF3069NJACK,IN/OUT4 JK501SJF3069NJACK,PRE/OUT1 JK801RJS1D0706JACK(7P)1 L39

43、1,92ELEXT1R0KA9COIL2 L601-07ELEXT1R0KA9COIL7 L701ELEXT101KA9COIL1 L801ELEXT101KA9COIL1 L802ELEXT100KA9COIL1 P1 RPG4512PACKING CASE1 P2 RPN1206PAD1 P3 SPP756PROTECTION COVER1 PCB1REP2873A-MMAIN PCB1(RTL) PCB2REP2841D-SPANEL PCB1(RTL) Q201DTC124ESTTRANSISTOR1 Q202DTA124ESTPTRANSISTOR1 Q203DTC124ESTTRA

44、NSISTOR1 Q204DTA124ESTPTRANSISTOR1 Q501DTA124ESTPTRANSISTOR1 Q502DTC124ESTTRANSISTOR1 Q521DTC124ESTTRANSISTOR1 Q522DTA124ESTPTRANSISTOR1 Q601,02DTA124ESTPTRANSISTOR2 Q603DTC144ESTPTRANSISTOR1 Q701DTC114ESTPTRANSISTOR1 Q702DTC114YSTPTRANSISTOR1 Q710DTC114YSTPTRANSISTOR1 R101,02ERDS2FJ1521/4W 1.5K2 R1

45、03,04ERDS2FJ2241/4W 220K2 R105,06ERDS2FJ5631/4W 56K2 R117,18ERDS2FJ1811/4W 1802 R123,24ERDS2FJ6801/4W 682 R125,26ERDS2FJ1231/4W 12K2 R127,28ERDS2FJ1841/4W 180K2 R129,30ERDS2FJ5631/4W 56K2 R131,32ERDS2FJ1021/4W 1K2 R201-06ERDS2FJ1021/4W 1K6 R211,12ERDS2FJ1021/4W 1K2 R215-17ERDS2FJ1031/4W 10K3 R219-21

46、ERDS2FJ1031/4W 10K3 R222,23ERDS2FJ1021/4W 1K2 R224ERDS2FJ4721/4W 4.7K1 R227ERDS2FJ4721/4W 4.7K1 R251-58ERDS2FJ1021/4W 1K8 R301,02ERDS2FJ1041/4W 100K2 R315,16ERDS2FJ2721/4W 2.7K2 R351,52ERDS2FJ1021/4W 1K2 R353,54ERDS2FJ3331/4W 33K2 R355,56ERDS2FJ2721/4W 2.7K2 R357,58ERDS2FJ2241/4W 220K2 R361,62ERDS2F

47、J1831/4W 18K2 R363,64ERDS2FJ1031/4W 10K2 R365,66ERDS2FJ1021/4W 1K2 R391ERDS1FJ1001/2W 101 R401,02ERDS2FJ4721/4W 4.7K2 R403-06ERDS2FJ2241/4W 220K4 R407,08ERDS2FJ3921/4W 3.9K2 R409,10ERDS2FJ1021/4W 1K2 R411,12ERDS2FJ1831/4W 18K2 R413,14ERDS2FJ3921/4W 3.9K2 R415-18ERDS2FJ2231/4W 22K4 R503,04ERDS2FJ3321

48、/4W 3.3K2 R513,14ERDS2FJ1041/4W 100K2 R515,16ERDS2FJ2241/4W 220K2 R521,22ERDS2FJ3311/4W 3302 R523,24ERDS2FJ4731/4W 47K2 R525,26ERDS2FJ1011/4W 1002 R655,56ERDS2FJ1031/4W 10K2 R701ERDS2FJ6811/4W 6801 R702,03ERDS2FJ1031/4W 10K2 R704,05ERDS2FJ1041/4W 100K2 R706ERDS2FJ1031/4W 10K1 R707-09ERDS2FJ1041/4W 1

49、00K3 R710ERDS2FJ1031/4W 10K1 R723-25ERDS2FJ1031/4W 10K3 R726ERDS2FJ1021/4W 1K1 R728ERDS2FJ1041/4W 100K1 R801ERDS2FJ8211/4W 8201 R802ERDS2FJ1021/4W 1K1 R803ERDS2FJ1221/4W 1.2K1 R804ERDS2FJ1521/4W 1.5K1 R805ERDS2FJ1821/4W 1.8K1 R806ERDS2FJ2221/4W 2.2K1 R807ERDS2FJ3321/4W 3.3K1 R808ERDS2FJ4721/4W 4.7K1 R809ERDS2FJ6821/4W 6.8K1 R810ERDS2FJ1231/4W