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
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