Technics-SLPD-7-Service-Manual电路原理图.pdf

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1、Navigator file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/navigator.html30/09/2009 12:13:01 Table Of Contents RadioFans.CN 收音机爱 好者资料库 file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/slpd7p.html30/09/2009 12:13:32 Table Of Contents COVER 1 Safety Precaution 2 Before

2、Repair and Adjustment 3 Handling Precautions For Traverse Deck 4 Precaution of Laser Diode 5 Protection Circuitry 6 Accessories 7 Front Panel Controls 7.1 Front Panel 8 Operation Checks and Main Component Replacement Procedures 8.1 Checking Procedure for each major P.C.B. 9 Self-Diagnostic Display F

3、unction 10 Type Illustrations of ICs, Transistors L = 16.9344 MHz 21TRVON.C 22TVDOTraverse drive output 23PCOSpindle motor ON output (L : ON) 24ECMOSpindle motor drive signal output(forced mode output) 25ECSOSpindle motor drive signal output(servo error signal output) 26KICKON.C. 27TRDOTracking driv

4、e output 28FODOFocus drive output 29VREFID/A (drive) output (TVD, ECS, TRD, FOD, FBAL, TBAL) Reference voltage input 30FBALOFocus balance adjustment output 31TBALOTracking balance adjustment output 32FEIFocus error signal input (analog input) 33TEITracking error signal input (analog input) 34RFENVIR

5、F envelope signal input 35VDETIVibration detection signal input (H :detection) 36OFTIOff-track signal input (H : off track) 37TRCRSITrack cross signal input 38/RFDETIRF detection signal input (L : detection) 39BDOIDropout signal input (H : Dropout) 40LDONOLaser on signal output (H : ON) 41PLLF2I/ON.

6、C. 42DSLF2OTracking Offset alignment output/DSL Balance Output (DA Output) 43WVELON.C. 44ARFIRF signal input file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1102000000.html30/09/2009 12:14:35 45IREFIReference current input 46DRFIDSL bias terminal (Not used, open) 47DSLFI/ODSL loop

7、filter terminal 48PLLFI/OPLL loop filter terminal 49VCOFI/OVCO loop filter terminal 50AVDD2IPower supply input (for analog circuit) 51AVSS2IGND (for analog circuit) 52EFM-EFM signal output 53PCK-PLL extraction clock output (fPCK = 4.321 MHz during normal playback) 54VCOF2I/OVCO Loop filter for 33.86

8、88 MHz conversation terminal for 16.9344 MHz crystal mode, must use other circuit 55SUBCOSub-code serial data output 56SBCKIClock input for sub-code serial data 57VSSIGND 58X1 INICrystal oscillating circuit input (f = 16.9344MHz) 59X2 OUTOCrystal oscillating circuit input (f = 16.9344 MHz) 60VDDIPow

9、er supply input (for oscillating circuit) 61BYTCK-Byte clock output 62/CLDCK-Sub-code frame clock signal output (fCLDCK = 7.35 kHz during normal playback) 63FCLK-Crystal frame clock signal output (fCLK = 7.35 kHz, double = 14.7 kHz) 64IPFLAG-Interpolation flag output (“H” : Interpolation) 65FLAG-Fla

10、g output 66CLVS-Spindle servo phase synchronizing signal output (H : CLV, L : rough servo) 67CRC-Sub-code CRC checked output (“H :OK, “L” :NG) 68DEMPH-De-emphassis ON signal output (“H” :ON) 69RESY-Frame re-synchronizing signal output 70IOSELIMode Switching Terminal 71/TESTITest input 72AVDD1IPower

11、supply input (for analog circuit) 73OUTLOLeft channel audio signal output 74AVSS1IGND 75OUTRORight channel audio signal output 76RSELIRF signal polarity assignment input (at H level, RSEL=H, at L level, RESL=L) 77IOVODI5V supply input 78PSELITest terminal (connected to Gnd) 79MSELISMCK oscillating f

12、requency designation input (“L”:4.2336 MHz, “H”:8.4672 MHz) 80SSELISUBQ output mode select (“H”:Q-code buffer mode) TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1103000000.html30/09/2009 12:14:37 11.3 IC703 (AN8739SBE2) Focus coil/ Tracking coil/ Traverse motor

13、/ Spindle motor driver TOP PREVIOUS NEXT Pin No. Mark I/O Function 1/RST-RESET output terminal 2NC-N.C. 3IN2IMotor Drive (2) input 4PC2ITurntable motor drive signal (“L :ON) 5NC-N.C. 6IN1IMotor driver (1) input 7NCIN.C. 8PVCC1IPower supply (1) for driver 9PGND1-Ground connection (1) for driver 10NC-

14、N.C. 11D1-OMotor driver (1) reverse-action output 12D1+ OMotor driver (1) forward-action output 13D2-OMotor driver (2) reverse-action output 14D2+ OMotor driver (2) forward-action output 15D3-OMotor driver (3) reverse-action output 16D3+ OMotor driver (3) forward-action output 17D4-OMotor driver (4)

15、 reverse-action output 18D4+ OMotor driver (4) forward-action output 19NC-N.C. 20PGND2-Ground connection (2) for driver 21PVCC2IPower supply (2) for driver 22NC-N.C. 23VCCIPower supply terminal 24VREFIReference voltage input 25IN4IMotor driver (4) input 26IN3IMotor driver (3) input 27RSTINIReset ter

16、minal 28NC-N.C. TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1104000000.html30/09/2009 12:14:38 11.4 IC401 (C2BBGD000075) Microprocessor TOP PREVIOUS NEXT Pin No. Mark I/O Function 17G7G1OGrid signal of FL display 8VDD-Power supply terminal 9MCLKOCommand clock

17、signal 10MDATAOCommand data signal 11MLDOCommand load signal (“L” LOAD.) 12SENSEISense signal 13DMUTEOMuting control signal 14SQCKOSub-code Q register clock 15NC-Not connected 16SUBQISub-code Q data 17/RESETIReset signal input 18ZSENSE-Not used, connected to GND 19REC.ENISynchro. rec. control termin

18、al 20AVSS-GND terminal 21/RSTSVOReset signal output 22OPENIOpen detect terminal 23DIROMotor control signal 24TURNOMotor control signal 25LOADOMotor control signal 26AD3IKey input 3 27AD2IKey input 2 28AD1IKey input 1 29AVDDIPower supply terminal 30AVREF-Power supply terminal 31NC-Not used, connected

19、 to GND 32XT2-Not used, open 33VSS-GND Terminal 34X1ICrystal Osc. Input terminal (4.2336MHz) 35X2OCrystal Osc. Output terminal (4.2336MHz) 36RESETSWORest position detect 37UP/DOWNITraverse deck up/down fetection input 38UnusedINot used, connected to GND 39UnusedINot used, connected to GND 40UnusedIN

20、ot used, connected to GND 41UnusedINot used, connected to GND 42UnusedINot used, connected to GND 43PWMOMechanism control signal (PWM output) 44POFFIPower OFF detection input 45POSITIONIRotary tray position detecting sensor input 46SPEEDILoading motor speed sensor input 47REMOCONIRemote control sens

21、or input 48IC-Not used, connected to GND 49/TLOCKIOptical servo condition (tracking) input 50/FLOCKIOptical servo condition (focus) input 51STATIStatus signal (CRC,CUE,CLVS,TTSTOP, FCLV,SQCK) 52VDD-Power supply terminal (+5V) 53POWEROPower ON/OFF output terminal 54SYNCHRO-Not used, open file:/E|/_MA

22、NUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1104000000.html30/09/2009 12:14:38 55DISC1ODISC 1 LED control output 56DISC2ODISC 2 LED control output 57DISC3ODISC 3 LED control output 58DISC4ODISC 4 LED control output 59DISC5ODISC 5 LED control output 60NCINot used, connected to GND 61S16OSeg

23、ment signal of FL display 62S15OSegment signal of FL display 63S14OSegment signal of FL display 64S13OSegment signal of FL display 65S12OSegment signal of FL display 66S11OSegment signal of FL display 67S10OSegment signal of FL display 68S9OSegment signal of FL display 69S8OSegment signal of FL disp

24、lay 70S7OSegment signal of FL display 71VPPIPower supply terminal 72S6OSegment signal of FL display 73S5OSegment signal of FL display 74S4OSegment signal of FL display 75S3OSegment signal of FL display 76S2OSegment signal of FL display 77S1OSegment signal of FL display 78NCINot used, connected to GN

25、D 79NCINot used, connected to GND 80G8OGrid signal of FL display TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1200000000 x.html30/09/2009 12:14:40 12 Block Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT FOCUS COIL/ TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIV

26、ER AN8739SBE2 IC703 SERVO PROCESSOR/ DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER IC702 MN662790RSC SERVO AMP IC701 AN8885SBE1 CD SIGNAL +B +B +B +B +B +B +B +B +B +B +B +B +B PLLF DSLF FOCUS COIL TRACKING COIL _ M SPINDLE MOTOR 14 13 SPINDLE MOTOR DRIVE D2+ D2-PC24 3 IN2 TRAVERSE MOTOR_

27、M11 15 12 18 17 16 25 TRACKING COIL DRIVE TRAVERSE MOTOR DRIVE D3- D1+ D1- 6IN1 IN4 D4+ D4-FOCUS COIL DRIVE D3+ 26IN3 /RST SQCK SUBQ MLD MCLK MDATA STAT SERVO OUTPUT PORT FREQUENCY COMPARATOR OFT36OFT A/D CONVERTER LDON FBAL TBAL VREF RESET SIGNAL GEN. /RST1 22 TVD 27 FOD TRD 28 DSLF2 LDON WVEL 40 4

28、2 43 D/A CONVERTER SENSE FLOCK 24 ECM 25 KICK ECS 2126 TRV 23 PC 10 11 PLLF2 FBAL TBAL 41 30 31 VREF VDET TRCRS 29 35 37 SERVO CPU CLV SERVO RFENV /RFDET TE FE BDO T+T-F-F+ SERVO INPUT PORT TE RF ENV FE 33 32 34 BDO /RF DET 39 38 RAM ADDRESS GENERATOR SYNCHRONING INTERPOLATION PROTECTION SYNCHRONIZI

29、NG PROTECTION ARF44 DSL EFM DATA DEMODULATOR VCO PHASE COMPARATOR MASH LOGIC /RST BLKCK SQCK SUBQ TLOCK 1418131215 MCLK MDATA MLD 879 STAT 17 MICROMPUTER INTERFACE CRCC CHECK SUB-CODE DEMODULATOR 5 62/CLDCK 79 NSEL 20 78 PSEL CSEL DVSS1 56 55 SBCK SUBC 75 + - OUTR DIGITAL DE-EMPHASIS PEAK DETECTOR/

30、AUTO CUE 16K SRAM DIGITAL FILTER PWM LOGIC TIMING GENERATOR/ PITCH CONTROL INTERPOLATION/ SOFT MUTING/ DIGITAL ATTENUATION CIRC DECODER S/P CONVERTER VREF29 73 -+ OUTL +B RSEL76 19SMCK +B 59 X2 X158 X701 16DMUTE -B ENV 3 TENV OFTR DET. Subtracter RF LDON FF D A C B PDF 2 4748 TBAL FBAL F + + - 27 TB

31、AL FBAL 28 VCBA Ech Fch E D E C PHOTO DETECTOR PDB PDE 1 LDON 13 PDA4 Q701 LASER POWER DRIVE LD 7 + - Bch VCBA B + - +B + - Ach A - - + SYNDROME CALCULATION TE DIGITAL AUDIO INTERFACE TEIN 2223 TEOUT PDOWN 16 +B + - - + - N.C. 21 + - + N.C. TX 6 18 12 15 17 14 Subtracter +B - + VREF GND + - VCC FEOU

32、T RF DET. /RFDET FEN BDO DET. BDO OFTR 26 FE 3 24 /RFDET 25 BDO OFTR OPTICAL PICKUP SEMICONDUCTOR LASERLPD 6 +B 19 +B RFIN 8 RF 109 CSBRT +B CEA 11 ENV RF 5 CRCC CHECK PWM LOGIC +B +B +B RCH JK321 BA033T IC11 BA4558FDXE2 IC801 BA6247N MOTOR DRIVE IC501 UPD78044F186 MICRO-PROCESSORIC401 S701(RESET) 4

33、5 D501 Q501 POSITION 2237,46 D502,D551 +B UP/DOWN SPEED OPEN S551 (OPEN/CLOSE DET.) RESET Q401 17,80 DMUTE 13 G8 POWER 53 TURN 23 DIR 25 LOAD 2443 CONTROL CIRCUIT Farads. Resistance values are in ohms, unless specified otherwise, 1K=1,000(ohms). The marking (RTL) indicates that the Retention Time is

34、 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 dependant on the type of assembly, and in accordance with the laws govening part and product retention. After

35、 the end of this period, the assembly will no longer be available. M indicates in the Remarks columns indicates parts that are supplied by MESA . The “(SF)” mark denotes the standard part. Reference for O/I book languages are as follows : Ar : ArabicCf : Canadian French Cz : CzechDa : Danish Du : Du

36、tchEn : EnglishFr : FrenchGe : German It : ItalianKo : KoreanPo : PolishRu : Russian Sp : Spanish Sw : SwedishCo : Traditional Chinese Cn : Simplified Chinese 17.1 CD Loading Mechanism 17.1.1 CD Loading Mechanism Part Location 17.1.2 CD Loading Mechanism Part List 17.2 Cabinet 17.2.1 Cabinet Parts L

37、ocation 17.2.2 Cabinet Parts List 17.3 Electrical Parts List 17.4 Packing Materials& Accessories Parts List 17.5 Packaging file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1700000000 x.html30/09/2009 12:14:43 TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL

38、-PD7/SVC/s1701000000.html30/09/2009 12:14:44 17.1 CD Loading Mechanism TOP PREVIOUS NEXT 17.1.1 CD Loading Mechanism Part Location 17.1.2 CD Loading Mechanism Part List TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1701010000.html30/09/2009 12:14:44 17.1.1 CD Lo

39、ading Mechanism Part Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/loading.jpg30/09/2009 12:56:30 file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1701020000.html30/09/2009 12:14:45 17.1.2 CD Loading Mechanism Part List

40、 TOP PREVIOUS NEXT Ref. No.Part No.Part Name & DescriptionRemarks TRAVERSE DECK 301 RDG0270SPEED REDUCTION GEARM 302 RDG0271DRIVE GEAR AM 303 RDG0272DRIVE GEAR BM 304 RDK0025DRIVE CAMM 305 RDP0050PULLEY GEARM 306 RFKPLPD667PBLOADING MOTOR ASSYM 307 RHD26019SCREWM 308 RMG0268-KBELTM 309 RML0334CHANGE

41、 LEVERM 310 RMM0117SLIDE PLATE 1M 311 RMM0118-1SLIDE PLATE 2M 312 RMR0746-WSTRENGTHENING PLATEM 313 RFKNDCV51CAKMECHA BASE ASSYM 314 RMX0094TRAY GUIDEM 315 RXQ0346-1SLIDER ASSYM 316 XTB3+10JFZSCREWM 358 RAE0152Z-3TRAVERSEM 358-1 SHGD113-1FLOATING CUSHIONM 358-10 XQS17+A35FZTRAVERSE MOTOR SCREWM 358-

42、2 SNSD38TRAVERSE MOTOR ASSYM 358-3 RAF0150A-4S50A OPUM 358-4 RDG0247DRIVE GEARM 358-5 RDG0248RELAY GEARM 358-6 RXQ0339TRAVERSE MOTOR ASSYM 358-7 RXQ0304-1NUT PLATE ASSYM 358-8 XQN17+CG5NUT PLATE ASSY SCREWM 358-9 XQS2+A3FZSPINDLE MOTOR SCREWM 359 RME0142FLOATING SPRING AM 360 RME0109FLOATING SPRING

43、BM 361 RMR0698-K1TRAVERSE CHASSISM 362 RMS0123-1FIXED PIN BM 363 XTN2+6GSCREWM 364 RMS0350FIXED PIN AM TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1702000000.html30/09/2009 12:14:46 17.2 Cabinet TOP PREVIOUS NEXT 17.2.1 Cabinet Parts Location 17.2.2 Cabinet Pa

44、rts List TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1702010000.html30/09/2009 12:47:57 17.2.1 Cabinet Parts Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/cabpd7p1.jpg30/09/2009 13:00:04 file:/E|/

45、_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/cabpd7p2.jpg30/09/2009 13:00:09 file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1702020000.html30/09/2009 12:49:08 17.2.2 Cabinet Parts List TOP PREVIOUS NEXT Ref. No.Part No.Part Name & DescriptionRemarks CABINET AND CHASSIS

46、1 REEX011219P FFC WIREM 2 REEX011321P FFC WIREM 3 REEX011711P FFC WIREM 4 RDG0267TRAY REDUCTION GEARM 5 RDG0268-1CLOSE LOCK GEARM 6 RDG0269-3OPEN LOCK GEARM 7 RDV0031BELTM 8 RFKPLPD667PATRAY MOTOR ASSYM 9 RMN0254-1LED HOLDERM 10 RMN0255-2SENSOR HOLDERM 11 RMN0263MOTOR HOLDERM 12 REZ064814P FFCM 13 R

47、MR0745E-K1TRAY BASEM 14 RGT0019-2ROTARY TRAYM 15 RHW81001-1WASHERM 16 RMB0365TRAY SPRINGM 17 RME0152-3LOCK GEAR SPRINGM 18 RMS0123-1FIXED PIN BM 19 XTB3+10GSCREWM 20 XTWS3+10SSCREWM 21 XWE3D13WASHERM 22 RKM0339-K1TOP CABINETM 23 XTB3+20JSCREWM 24 SNE2129-3SCREWM 25 XTB3+8JSCREWM 26 RGR0308C-AREAR PA

48、NELMP 26 RGR0308C-BREAR PANELMPC 27 RMK0485BOTTOM CHASSISM 28 RMR0749-WCABLE HOLDERM 29 RMR0742-KTRAY BASE GUIDE LM 30 RMR0743-KTRAY BASE GUIDE RM 31 RMR0765B-H1TRANSFORMER BASEM 32 RHM0001MAGNETM 33 RGBX0007-KCHANGER BADGEM 34 RMR0744-WCLAMPER PLATEM 35 RMR0624-W2CLAMPERM 36 RMN0185FL HOLDERM 37 RG

49、PX0028H-KFRONT PANELM 38 RGUX0322-KCONTROL BUTTONM 39 RYQX0021-K1PROGRAM BUTTON UNITM 41 XTBS3+8JFZ1SCREWM 42 RGUX0315A-KDISC BUTTONM 43 XTBS26+12JSCREWM 44 RWJ1806115XX6P WIREM 45 RMG0200SHUTTER RUBBERM 47 RMR0334FIXED PLATEM file:/E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_ET/NA/SL-PD7/SVC/s1702020000.html30/09/2009 12:49:08 48 XTB3+10JFZSCREWM 49 RMF0182TRAY FELTM 50 RMR0546-W2ROLLERM 51 RKA0079-AFOOTM 52 XTB3+8JFZSCREWM 53 RGB0031-ATECHNICS BADGEM 54 RGKX0041-QDISPLAY WINDOWM TOP PREVIOUS NEXT file:/E|/_MANUALS/TECHNICS/technics_sl