Onkyo-DVSP302-cd-sm维修电路原理图.pdf

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1、DV-SP302 SERVICE MANUALSERVICE MANUAL DVD PLAYER Black, Silver and Golden models MODEL DV-SP302 Ref. No. 3814 092004 120V AC, 60HzCDD CUA, CUT, CUK, CUR 100-240V AC, 50/60Hz RC-575DV SAFETY-RELATED COMPONENT WARNING! THE MARK FOUND ON SOME COMPONENT PARTS INDICATES THE CRITICAL FOR RISK OF FIRE AND

2、ELECTRIC SHOCK. WHEN REPLACING, BE SURE TO USE PARTS OF IDENTICAL DESIGNATION. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 DV-SP302 SPECIFICATI

3、ONS DVD Player Power supplyAC 120 V, 60 Hz (North America models) AC 100-240 V, 50/60 Hz (Other models) Power consumption16 W Weight6.6 lbs, 3.0 kg External dimensions (W x H x D)17-1/8 x 3-3/16 x 11-1/8 435 x 82 x 283 mm Signal systemPAL/NTSC Frequency responseDigital output4 Hz to 22 kHz (48 kHz s

4、ampling) DVD linear sound4 Hz to 44 kHz (96 kHz sampling) Signal-to-noise ratio (digital output)More than 90 dB Audio dynamic range (digital output)More than 90 dB Harmonic distortion (digital output)Less than 0.008% Wow and flutterBelow measurable level Outputs Video output1.0 V (p-p), 75 ohm negat

5、ive sync., pin jack S-video output(Y) 1.0 V (p-p), 75 ohm negative sync., (C) 0.286 V (p-p), 75 ohm Mini DIN 4-pin PAL: (C) 0.300 V (p-p) Component video output(Y) 1.0 V (p-p), 75 ohm negative sync., (PB)/(PR) 0.7 V (p-p), 75 ohm pin jack Audio outputOptical digital output-22.5 dBm, optical connecto

6、r Coaxial digital output0.5 V (p-p), 75 ohm pin jack Analog output2.0 V (rms), 100 ohm pin jack (L, R) Specifications and features are subject to change without notice. RadioFans.CN 收音机爱 好者资料库 DV-SP302 SERVICE PROCEDURE-1 SAFETY CHECK (Only U.S.A. model) After correcting the original service problem

7、 perform the following safety check before releasing the set to the customer Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel. Specifications: More than 10M ohm at 500V The lightning flash with arrowhead symbol, within an equilateral t

8、riangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the prese

9、nce of important operating and maintenance (servicing) instruction in the literature accompanying the appliance. RISK OF ELECTRIC SHOCK DO NOT OPEN WARNINGAVIS RISOUE DE CHOC ELECTRIQUE NE PAS OUVRIR This unit contains a semiconductor laser system and is classified as a “CLASS 1 LASER PRODUCT”. So,

10、to use this model properly, read this Instruction Manual carefully. In case of any trouble, please contact the store where you purchased the unit. To prevent being exposed to the laser beam, do not try to open the enclosure. CAUTION: VISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK FAILED OR DEFEATED

11、. DO NOT STARE INTO BEAM. CAUTION: THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. The label on the right is applied on the rear panel except for USA and Canadian models. 1. This

12、unit is a CLASS 1 LASER PRODUCT and employs a laser inside the cabinet. 2. To prevent the laser from being exposed, do not remove the cover. Refer servicing to qualified personnel. “CLASS 1 LASER PRODUCT” LASER CAUTION CAUTION VISIBLE AND INVISIVLE LASER RADIATION WHEN OPEN DO NOT STARE INTO THE BEE

13、M OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS. DO NOT PRESS ON THIS SURFACE 1.Remove the solder of Laser Diode shorting 1-1Remove the bracket magnet. 1-2Shorting the short land with solder. 1-3Remove the FFC and other connectors. 2. Factory setting (Initial setting) 2-1 Open the tray. Press 2 second t

14、he search button and power key on remote controller (RC-575DV). 2-2 Displayed version of firmware on the FL tube. 2-3. At above condition, turn off the mechanical power switch. Bottom side Fig-1 DV-SP302 SERVICE PROCEDURE-2 Replace the DVD mechanism 1. Remove the top cover (six screws) 2. Remove two

15、 screws of both side of front panel. 3. Remove the bracket mecha. (two screws). 4. Shift the cam slider on bottom side. (See Fig-1) 5. Remove the tray. 6. Remove FFC, connector and one screw. 7. A tray is drawn out extending a nail. (See Fig-2) Tray DV-SP302 EXPLODED VIEW A 1 2 3 4 5 BCDEFGH S7 x2 S

16、6 12 13 14 15 4 S5 x 11 S3 17 18 S3 17 18 S2x 2 S3 17 18 19 20 21 S2x 4 S2 22 23 24 10 9 8 7 6 38 S6 5 4 25 26 27 28 S8 S4x 11 30 29 S1x 3 S2x 2 31 36 x 3 32 S3x 2 33 S2 x 4 34 37 16 11 S2 x 2 4 1 4 2 3 S5 x 3 35 S2 x 2 39 1) Insert a plate in a panel front. Thereafter 2) Insert a wire in a hole of

17、palte and do soler. 39 38 S3 18 17 40 40 S1 : 3 x 18 W/ Washer S2 : 3 x 8 ZNY/ BH S3 : 3 x 10 BK/ BH or 3 x 8 Silver/ BH S4 : 3 x 10 BK/ BH DOT S5 : 2.6 x 8 ZNY/ PH S6 : 3 x 8 BK/ FH S7 : 3 x 10 BK/ BH or 3 x 8 W/ Washer S8 : 3 x 6 BK/ BH S3 x 3 S3x 2 DV-SP302 EXPLODED VIEW A 1 2 3 4 5 BCDEFGH S7 x2

18、 S6 12 13 14 15 4 S5 x 11 S3 17 18 S3 17 18 S2x 2 S3 17 18 19 20 21 S2x 4 S2 22 23 24 10 9 8 7 6 38 S6 5 4 25 26 27 28 S8 S4x 11 30 29 S1x 3 S2x 2 31 36 x 3 32 S3x 2 33 S2 x 4 34 37 16 11 S2 x 2 4 1 4 2 3 S5 x 3 35 S2 x 2 39 1) Insert a plate in a panel front. Thereafter 2) Insert a wire in a hole o

19、f palte and do soler. 39 38 S3 18 17 40 40 S1 : 3 x 18 W/ Washer S2 : 3 x 8 ZNY/ BH S3 : 3 x 10 BK/ BH or 3 x 8 Silver/ BH S4 : 3 x 10 BK/ BH DOT S5 : 2.6 x 8 ZNY/ PH S6 : 3 x 8 BK/ FH S7 : 3 x 10 BK/ BH or 3 x 8 W/ Washer S8 : 3 x 6 BK/ BH S3 x 3 S3x 2 DV-SP302 EXPLODED VIEW A 1 2 3 4 5 BCDEFGH S7

20、x2 S6 12 13 14 15 4 S5 x 11 S3 17 18 S3 17 18 S2x 2 S3 17 18 19 20 21 S2x 4 S2 22 23 24 10 9 8 7 6 38 S6 5 4 25 26 27 28 S8 S4x 11 30 29 S1x 3 S2x 2 31 36 x 3 32 S3x 2 33 S2 x 4 34 37 16 11 S2 x 2 4 1 4 2 3 S5 x 3 35 S2 x 2 39 1) Insert a plate in a panel front. Thereafter 2) Insert a wire in a hole

21、 of palte and do soler. 39 38 S3 18 17 40 40 S1 : 3 x 18 W/ Washer S2 : 3 x 8 ZNY/ BH S3 : 3 x 10 BK/ BH or 3 x 8 Silver/ BH S4 : 3 x 10 BK/ BH DOT S5 : 2.6 x 8 ZNY/ PH S6 : 3 x 8 BK/ FH S7 : 3 x 10 BK/ BH or 3 x 8 W/ Washer S8 : 3 x 6 BK/ BH S3 x 3 S3x 2 DV-SP302 BLOCK DIAGRAM FRONT DISPLAY SECTION

22、 DV-SP302 DV-SP302 BLOCK DIAGRAM OVERALL DV-SP302 BLOCK DIAGRAM OVERALL DV-SP302 BLOCK DIAGRAM OVERALL DV-SP302 SCHEMATIC DIAGRAM U20 : DVD MAIN CIRCUIT BOARD-2/2 A 1 2 3 4 5 BCDEFGH From Power supply unit To Output board DV-SP302 SCHEMATIC DIAGRAM U20 : DVD MAIN CIRCUIT BOARD-2/2 A 1 2 3 4 5 BCDEFG

23、H From Power supply unit To Output board DV-SP302 SCHEMATIC DIAGRAM U20 : DVD MAIN CIRCUIT PC BOARD-2/2 A 1 2 3 4 5 BCDEFGH From Front board 150R-03 150P-03 150P+ 150R-03 Y PB (UDAC) PR (CDAC) Y (YDAC) COMP. Y (YDAC) SVIDEO CVBS (VDAC) C (FDAC) V-MUTE Pb PR CV C DV-SP302 SCHEMATIC DIAGRAM U20 : DVD

24、MAIN CIRCUIT PC BOARD-2/2 A 1 2 3 4 5 BCDEFGH From Front board 150R-03 150P-03 150P+ 150R-03 Y PB (UDAC) PR (CDAC) Y (YDAC) COMP. Y (YDAC) SVIDEO CVBS (VDAC) C (FDAC) V-MUTE Pb PR CV C DV-SP302 SCHEMATIC DIAGRAM A 1 2 3 4 5 BCDEFGH U4 : FRONT DISPLAY PC BOARD U4-1 : FL TUBE PC BOARD U4-2 : KEY SWITC

25、H PC BOARD U4-4 : REMOTE SENSOR PC BOARD U21 : OUTPUT TERMINAL PC BOARD U4-3 : STANDBY SWITCH PC BOARD To Power supply unit From Remote sensor board To FL display board From Key switch board From FL tube board To DVD main board To DVD main board Optical Coaxial DV-SP302 SCHEMATIC DIAGRAM A 1 2 3 4 5

26、 BCDEFGH U4 : FRONT DISPLAY PC BOARD U4-1 : FL TUBE PC BOARD U4-2 : KEY SWITCH PC BOARD U4-4 : REMOTE SENSOR PC BOARD U21 : OUTPUT TERMINAL PC BOARD U4-3 : STANDBY SWITCH PC BOARD To Power supply unit From Remote sensor board To FL display board From Key switch board From FL tube board To DVD main b

27、oard To DVD main board Optical Coaxial DV-SP302 SCHEMATIC DIAGRAM A 1 2 3 4 5 BCDEFGH U4 : FRONT DISPLAY PC BOARD U4-1 : FL TUBE PC BOARD U4-2 : KEY SWITCH PC BOARD U4-4 : REMOTE SENSOR PC BOARD U21 : OUTPUT TERMINAL PC BOARD U4-3 : STANDBY SWITCH PC BOARD To Power supply unit From Remote sensor boa

28、rd To FL display board From Key switch board From FL tube board To DVD main board To DVD main board Optical Coaxial DV-SP302 SCHEMATIC DIAGRAM U20 : DVD MAIN CIRCUIT BOARD-2/2 A 1 2 3 4 5 BCDEFGH From Power supply unit To Output board DV-SP302 SCHEMATIC DIAGRAM U20 : DVD MAIN CIRCUIT PC BOARD-2/2 A

29、1 2 3 4 5 BCDEFGH From Front board 150R-03 150P-03 150P+ 150R-03 Y PB (UDAC) PR (CDAC) Y (YDAC) COMP. Y (YDAC) SVIDEO CVBS (VDAC) C (FDAC) V-MUTE Pb PR CV C DV-SP302 PCBOARD CONNECTION DIAGRAM DV-SP302 From power supply board POWER SUPPLY UNIT FL TUBE BOARD DVD MAIN BOARD MECHA. PICK-UP CMS-S71SG6C

30、OUTPUT TERMINAL BOARD 31 U21 U20 U4-2 KEY SWITCH BOARD U4-1 U4-4 U4-3 STANDBY SWITCH BOARD REMOTE SENSOR BOARD U4 FRONT DISPLAY BOARD: (U4-1) + (U4-2) + (U4-3) + (U4-4) DV-SP302 PRINTED CIRCUIT BOARD VIEW FROM COMPONENT SIDE-3 R702 R701 R704 R703 R606R608 R609 D601 R607 Q601 R906 R904 R903 R902 R901

31、 1 13 10 5 50 45 40 39 35 30 1420 IC91 C905 C943 C942 C941 C940 C939 C938 C937 C936 C935 C934 C933 C932 C931 C930 C929 C928 P16 P15 P14 P13 P12 P11 P10P9P8P7P6P5P4P3P2P1 C924 C925 C927 C926 R932 C922 C921 C920 C919 R910 C923 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G C917 C916 C918 R931 C902 R919 C904 R

32、909 C901 U4 : FRONT DISPLAY BOARD U4-1 : FL TUBE BOARD U4-2 : KEY SWITCH BOARD U4-4 : REMOTE SENSOR BOARD U4-3 : STANDBY SWITCH BOARD DV-SP302 PRINTED CIRCUIT BOARD VIEW-1 U20 DVD MAIN BOARD-1 Top view DV-SP302 PRINTED CIRCUIT BOARD VIEW-2 U20 DVD MAIN BOARD-2 Bottom view DV-SP302 PRINTED CIRCUIT BO

33、ARD VIEW FROM SOLDERING SIDE-4 U21 OUTPUT TERMINAL PC BOARD 1 4 5 JK85 2 6 3 JK84 C812 JK82 Component side view CN83 C802 IC86 JK81 JK83 CN81 DV-SP302 PRINTED CIRCUIT BOARD VIEW FROM SOLDERING SIDE-5 U21 OUTPUT TERMINAL PC BOARD Soldering side view DV-SP302 IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION IC6

34、 : BA5954 MOTOR DROVER DV-SP302 IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION IC2 : ES6603 DVD SERVO F/E-(1) ES6603S 1 11313 2626 2345678910112345678910111212 2525 2424 2323 2222 2121 2020 1919 1818 1717 141514151616 2929 3131 3232 2828 2727 3030 5555 5656 5757 5858 5959 6060 6161 6262 6363 6464 5252 5050

35、4949 5353 5454 5151 4848363647464544434241403938474645444342414039383737353435343333 RXRX MMEVEV V VNANA F FNNNN F FNPNP D DIP IP D DININ B BYPYP RFRFACAC V VPAPA A AIP IP A AININ ATATONON ATATOPOP RFSRFSININ RFRFDCDC MEMEVOVO MMININ MLMLPFPF MBMB MPMP MIMIRRRR LDLDONON V VNBNB CDCDPDPD DVDDVDPDPD C

36、DCDLDLD DVDDVDLDLD VCVC V VPBPB CDCD_E_E CDCD_F_F DV-SP302 IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION IC2 : ES6603 DVD SERVO F/E-(2) NamePin NumbersI/ODefinition DVDRFP, DVDRFN 1, 2IDifferential RF signal attenuator inputs. A2, B2, C2, D23:6I AC coupled photo detector interface inputs for the differenti

37、al phase detector (DPD) from the main beam photo matrix. CP, CN7, 8Differential phase tracking low-pass filter pins. Connect CP to CN via capacitors. D, C, B, A9:12IPhoto detector interface inputs from the main beam photo matrix. CD_D, CD_C, CD_B, CD_A 13:16ICD photo detector i n terface inputs from

38、 the main beam photo matrix. CD_F, CD_E 17, 18ICD photo detector interface inputs from the CD side beam photo detector; used for CD tracking detection. VPB19PServo block power supply. VC20OReference voltage out (VPB/2). Output impedance is less than 50 DVDLD21ODVD APC output; controls laser power fo

39、r DVD. CDLD22OCD APC output; controls laser power for CD. DVDPD23IDVD APC input. CDPD24ICD APC input. VNB25GServo block ground. LDON26IAPC On/Off control. A high level activates LD output. (open is low) MIRR27OMirror detect output. MP, MB28, 29IMirror top and bottom hold pins.Connected to VPB pin 19

40、 via capacitors. MLPF30IMirror low-pass filter pins. Connected to VPB pin 19 via a capacitor. MIN 31IRF input signal for mirror. AC coupled inputs for the mirror detection circuit from MEVO pin 32. MEVO32O RFDC bottom envelope out. Pull-In or bottom clamped RF envelope signal output for mirror detec

41、tion. LINK33I,O Linking Signal In/Mirror Monitor Out. In the linking area, the mirror and tracking error outputs are disabled when this pin goes high. When the monitor output signal is selected by the Control H register, mirror-related signals can be observed. DFT34O Defect output. When the Pull-In

42、signal level is below the detection level, or when the RF signal level is below the detection level, the DFT output goes high. The defect output is selected by the serial port. TPH35IPull-In top hold. Connected to VPB pin 19 via a capacitor. V12536O1.25V servo block reference voltage output. V2537P2

43、.5V servo output reference power supply. PI38O Pull-In signal out. The summing signal output of A, B, C, D, or CD_A, CD_B, CD_C, or CD_D. Reference to V25/3. TE39OTracking error output reference to V125 pin 36. FE40OFocusing error output reference to V125 pin 36. DV-SP302 IC BLOCK DIAGRAM/ TERMINAL

44、DESCRIPTION IC2 : ES6603 DVD SERVO F/E-(3) CE41OCCE41OCenenteter r erroerror r ououtputput t referreferenencece t to o V V125125 p pin in 3 36.6. MNTR42OMMNTR42OMononitoitor r ouout t s sig ign nal al. . OutOutpuput t is is s se ele lectabctable le b by y r regegisterister s se ett tti ingngs. s. LC

45、NLCN, , L LCPCP 4343, , 44ILe44ILensns s shi hift ft offoffseset t cancecancellallati tionon lo low-pw-pasass s f fil ilteter r p pin ins. s. C Cononnecnect t LCNLCN t to o L LCPCP v via ia a a ca capapac-c- itoitor. r. V3345P3.3V3345P3.3V V ouout tpuput t bubuffersffers po powewer r susuppppl ly. y

46、. SCLK46ISeriSCLK46ISerial al c clolockck fr fromom E ES66xS66x8.8. SDSDATATA47A47I/ I/OSeriOSerial al da datata I/ I/O.O. SDEN48ISeriSDEN48ISerial al d dataata e en nabable le. E. Enablnableded by by an an ac acti tiveve-hi-highgh s si igngna al. l. RX49IReferenRX49IReferencece r re esissistortor.

47、. ConConnecnect teded t to o g grorounund d v via ia a a 12 12. .0k0k , , 1%1% r re esissistortor. . MEV50IRFDCMEV50IRFDC bo bott ttomom e en nvevel lopeope. . ConnConnecect teded t to o V VPAPA p pin in 5858 v via ia a a c capaapaci citotor. r. VNA51GRFVNA51GRF b blo lockck a andnd seseri rial al p

48、o por rt t grounground.d. FNNFNN, F, FNP52,NP52, 5 53ODifferenti3ODifferential al ou outputstputs o of f eqequauali lizezer r/f /fil ilteter. r. DIP,DIP, D DININ5454, , 55IDiffer55IDifferenenti tial al a analnalogog i inpunputs ts t to o t thehe R RF F s si ingngle le-e-endnd ououtputput t bubuffer

49、affer andnd f fu ull ll w wa aveve r recectifietifier. r. BYP56IAGCBYP56IAGC a ampmpli lif fie ier r gagain in b bypass.ypass. T Ti ieded t to o V VP PA A v via ia a a cap capacacitoitor. r. RFAC57OSiRFAC57OSingngle le-end-endeded R RF F ouout tpuput. t. VPA58PRFVPA58PRF b blo lockck a andnd seseri rial al po por rt t popowerwer s supuppl ply. y. AIAIP,P, A AININ5959, , 60IDifferenti60IDifferential al A AGCGC a ampmplif lifie ier r i inpnpututs. s. ATONATON, , ATOPATOP6161, , 62ODifferenti6