Onkyo-DVS757-cd-sm维修电路原理图.pdf
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1、DV-S757 SERVICE MANUALSERVICE MANUAL DVD AUDIO/VIDEO PLAYER Black, Silver and Golden models MODEL DV-S757 100-240V AC, 50/60Hz (B)MUP2P, (S)MUP2P (G)MUT3P (B)MUS4P,(G)MUS4P (G)MUR6P Ref. No. 3697 082001 RC-450DV LAST MCOND. MDIMMERDISPLAY STANDBY ON ANGLEAUDIOSUBTITLE MENUTOP MENU SETUPRETURN STOPPA
2、USE FUNCTION M OPEN / CLOSE DOWNUPFRFF CLEAR PROGRAMRANDOMREPEATA-B STEP/ SLOW SEARCH REMOTE CONTROLLER RC-450DV PLAY 23 456 789 1 0+10 + - ENTER DIGITAL SURROUND SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF F
3、IRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. 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. RadioF
4、ans.CN 收音机爱 好者资料库 DV-S757 SPECIFICATIONS Specifications and features are subject to change without notice. Power supplyAC 100-240 V, 50/60 Hz Power consumption15 W Weight3.4 kg, 7.5 lbs. External dimensions(W/H/D), 17-1/8 3-9/16 12-5/16 Signal system Regional restriction codeSome Asian area: 3 South
5、 American area: 4 Chinese area:6 LaserSemiconductor laser, wavelength 650 nm Frequency range (digital audio)DVD linear sound:48 kHz sampling 4 Hz to 22 kHz 96 kHz sampling 4 Hz to 44 kHz Audio CD:4 Hz to 20 kHz Signal-to-noise ratio (digital audio)More than 100 dB Audio dynamic range (digital audio)
6、More than 96 dB Harmonic distortion (digital audio)Less than 0.015 % Wow and flutterBelow measurable level (less than 0.001 % (W.PEAK) Operating conditionsTemperature: 5 C to 35 C (41 F to 95 F), Operation status: Horizontal Outputs Video output1.0 V (p-p), 75 , negative sync., pin jack 2 S-video ou
7、tput(Y) 1.0 V (p-p), 75, negative sync., Mini DIN 4-pin 2 (C) 0.286 V (p-p), 75 Component video output(Y) 1.0 V (p-p), 75 , negative sync., pin jack 1 (PB)/(PR)0.7 V (p-p), 75 Audio output (digital output Optical)Optical connecter 2 Audio output (digital output Coaxial)75 , pin jack 1 Audio output (
8、analog audio)(rms), 470 , pin jack (L, R) 2 Audio output (5.1 channel analog audio) 2.0 V (rms), 470, pin jack (FRONT L, FRONT R, CENTER, SURR L, SURR R, SUB WOOFER) 1 PAL/AUTO 435 91 312 mm 0.5 V(p-p), 2.0 V DVD Player RadioFans.CN 收音机爱 好者资料库 DV-S757 SERVICE PROCEDURES-1 PROTECTION OF EYES FROM LAS
9、ER BEAM DURING SERVICING This set employs a laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING! SERVICE WARNING : DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION, BE SURE TO OBSERVE FROM A DISTA
10、NCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICKUP BLOCK. Laser Diode Properties 780 nm 0.14 mW LASER WARNING Wavelength: Laser output: 650 nm 0.43 mW Wavelength: Laser output: CD DVD WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE
11、TO RAIN OR MOISTURE. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presenc
12、e 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 presence of important operating and maintenance (servicing
13、) instructions in the literature accompanying the appliance. WARNING RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR AVIS WARNING This unit contains a semiconductor laser system and is classified as a CLASS 1 LASER PRODUCT. So, to use this model properly, read this Instruc
14、tion 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. VISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK FAILED OR DEFEATED. DO NOT STARE INTO BEAM. THIS PRODUCT UTILIZES A LASE
15、R. 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 unit is a CLASS 1 LASER PRODUCT and employs a laser inside the
16、cabinet. 2. To prevent the laser from being exposed, do not remove the cover. Refer servicing to qualified personnel. CLASS 1 LASER PRODUCT CAUTION: CAUTION: SERVICE PROCEDURE 1. Replacing the fuses REF. NO.PART NO.DESCRIPTION This symbol located near the fuse indicates that the fuse used is show op
17、erating type, For continued protection against fire hazard, replace with same type fuse , For fuse rating, refer to the marking adjest to the symbol. Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique l
18、a qu le present symbol est apposre. F1252073 or1.6A-SE-EAK IECFUSE 2522731.6A-SE-TL250V 2. Safety-check out (Only U.S.A. model) After correcting the original service problem perform the following safety check before releasing the set to the customer Connect the insulating-resistance tester between t
19、he plug of power supply cord and terminal GND on the back panel. Specifications: More than 10M ohm at 500V LASER BEAM CAUTION LABEL DV-S757 PANEL VIEW-1 1. POWER switch and STANDBY indicator Turns on the main power supply for the DV-S757. The DV-S757 enters standby state and the STANDBY indicator li
20、ghts up. Pressing the switch again to the off position ( OFF) shuts down the main power supply into the DV-S757. Before turning on the power, make sure all cables are properly connected. 2. STANDBY/ON button When STANDBY/ON button is pressed to ON while the POWER switch is set to ON, the DV-S757 tur
21、ns on and the STANDBY indicator turns off. The indicator around button light up. Pressing the button again returns the DV-S757 to the standby state. This state turns off the display, disables control functions. 3. VIDEO CIRCUIT OFF button and indicator Press to switch the video signal off. 4. LAST M
22、EMORY button You can resume DVD or Video CD playback from the point you last watched even if the disc is removed from the player. Press LAST MEMORY during playback to set a Last Memory point. When you want to resume playback of that disc, press LAST MEMORY in the stop mode and playback starts from t
23、he memorized point. Last Memory locations can be stored for up to 5 DVDs and 1 Video CD. 5. CLEAR button Works in conjunction with a number of player functions. Use to cancel repeat and random playback, and to edit programs. 7. Disc tray When loading a disc, place discs in the disc tray with the lab
24、el side facing up. 8. TOP MENU button Press to call up the top menu programmed on the DVD. Depending on the DVD, the top menu may be identical to the DVD menu. 9. Cursor ( ) button/ENTER button Use to move through the options on menu screens and to change settings. Use ENTER to implement settings se
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