Yamaha-DVDS-1200-Service-Manual电路原理图.pdf

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1、DVD-S1200 DVD-S1200 SERVICE MANUAL DVD PLAYER DVD-S1200 100743 I CONTENTS TO SERVICE PERSONNEL . 1 WARNINGS . 12 PREVENTION OF ELECTRO STATIC DISCHARGE.3 LOCALE MANAGEMENT INFORMATION . 3 FRONT PANEL . 4 REAR PANEL . 4 REMOTE CONTROL TRANSMITTER PANEL . 4 SPECIFICATIONS. 5 DISASSEMBLING THE CASING A

2、ND CHECKING P.C.B.S. 59 OPTICAL PICKUP SELF-DIAGNOSIS AND REPLACEMENT PROCEDURE . 1011 SELF-DIAGNOSIS FUNCTION AND SERVICE MODES. 1218 ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT. 1923 ADJUSTMENT . 2427 BLOCK DIAGRAM. 2834 INTERCONNECTION DIAGRAM . 35 PRINTED CIRCUIT BOARD . 3643 SCHEMATIC DIAGR

3、AM . 4459 VOLTAGE CHART. 6066 PARTS LIST. 6781 REMOTE CONTROL TRANSMITTER . 82 IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMA

4、HA Products, are already known and understood by the users, and have therefore not been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform

5、as specified. For these reasons, we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization,

6、certification or recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continua

7、lly striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensi

8、ve components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit

9、. P.O.Box 1, Hamamatsu, Japan For G, B models RadioFans.CN 收音机爱 好者资料库 DVD-S1200 DVD-S1200 1 WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE I WARNINGS WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, oth

10、er electrical/electronic and /or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR P

11、LASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA- SON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this produc

12、t, wash your hands before handling food. WARNING: Laser Safety This product contains a laser beam component. This component may emit invisible, as well as visible radiation, which may cause eye damage. To protect your eyes and skin from laser radiation, the following precautions must be used during

13、servicing of the unit. 1) When testing and/or repairing any component within the product, keep your eyes and skin more than 30 cm away from the laser pick-up unit at all times. Do not stare at the laser beam at any time. 2) Do not attempt to readjust, disassemble or repair the laser pick-up, unless

14、noted elsewhere in this manual. 3) CAUTION: Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. Laser Emitting conditions: 1) When the Top Cover is removed and the STANDBY/ON SW is turned to the ON position, the lase

15、r component will emit a beam for several seconds to detect if a disc is present. During this time (5 - 10 sec.) the laser may radiate through the lens of the laser pick-up unit. Do not attempt any servicing during this period! If no disc is detected, the laser will stop emitting the beam. When a dis

16、c is loaded, you will not be exposed to any laser emissions. 2) The laser power level can be adjusted with the VR on the pick-up PWB. However, this level has been set by the factory prior to shipping from the factory. Do not adjust this laser level control unless instruction is provided elsewhere in

17、 this manual. Adjustment of this control can increase the laser emission level from the device. I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.

18、2. Leakage Current Measurement (For 120V Models Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. GMeter impedance should be equivalent to 1500 ohm shunted by 0.15F. GLeakage current must not exceed 0.5

19、mA. GBe sure to test for leakage with the AC plug in both polarities. THE DVD-VIDEO PLAYER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY QUALIFIED SERVICE PERSONNEL. RadioFans.CN 收音机爱 好者资料库 DVD-S1200 DVD-S1200 RQLS0233 - - - - - - - - - - VISIBLE AND INVISIBLE LASER RADIATION WHEN OPE

20、N. AVOID DIRECT EXPOSURE TO BEAM. DANGER (FDA 21 CFR) (IEC60825-1) VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAM. CAUTION RAYONNEMENT LASER VISIBLE ET INVISIBLE EN CAS DOUVERTURE. EXPOSITION DANGEREUSE AU FAISCEAU. ATTENTION SYNLIG OG USYNLIG LASERSTRLING VEDBNING. UNDG UDS

21、TTELSE FOR STRLING. ADVARSEL AVATTAESSA OLET ALTTIINA NKYV JA NKYMTN LASERSTEILYLLE.L KATSO STEESEEN. VARO! SYNLIG OCH OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD. BETRAKTA EJ STRLEN. VARNING SYNLIG OG USYNLIG LASERSTRLING NR DEKSEL PNES. UNNG EKSPONERING FOR STRLEN. ADVARSEL SICHTBARE UND UNSICHTBAR

22、E LASERSTRAHLUNG,WENN ABDECKUNG GEFFNET. NICHT DEM STRAHL AUSSETZEN. VORSICHT 2 Laser Diode Properties Type:Semiconductor laser GaAlAs Wave length:658 nm (DVD) 790 nm (VCD/CD) Output Power:CLASS IIa1 mW (DVD) CLASS I1 mW (VCD/CD) Output value is determined by CFR CHAPTER1, SUBCHAPTER J VARO!: AVATTA

23、ESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NkymTTMLLE LASER- STEILYLLE. L KATSO STEESEEN. VARNING!: OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD OCH SPRREN R URKOPPLAD. BETRAKTA EJ STRLEN. WARNING The use of optical instruments with this product will increase eye hazard. Repair handling should ta

24、ke place as much as possible with a disc loaded inside the player DVD-S1200 DVD-S1200 3 1 2 4 2 5 5 4 2 6 3 5 I LOCALE MANAGEMENT INFORMATION Locale Management Information : This DVD player is designed and manufactured to respond to the Locale Management Information that is recorded on the DVD disc.

25、 If the Locale number described on the DVD disc does not correspond to the Locale number of this DVD player, this DVD player cannot play this disc. This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intellectual property rig

26、hts owned by Macrovision Corporation and other rights owners. Use of this copyright protection technology must be authorized by Macrovision Corporation, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or disasse

27、mbly is prohibited. I PREVENTION OF ELECTRO STATIC DISCHARGE The laser diode in the traverse unit (optical pickup) may be damaged due to static electricity from clothes or the human body. Use caution to prevent electrostatic damage when servicing or handling the laser diode. 1. Grounding for electro

28、static damage prevention Some devices, such as the DVD player, use an optical pickup (laser diode) that will be damaged by static electricity in the working environment. Only attempt service after ensuring that all grounding procedures have been completed. 1. Worktable grounding Put a grounded condu

29、ctive material (sheet) or iron sheet on the area where the optical pickup is placed. 2. Human body grounding Use an anti-static wrist strap to discharge the static electricity from your body. 1M Conductive material (sheet) or iron sheet Anti-static wrist strip 2. Handling of the optical pickup 1. To

30、 prevent damage to the optical pickup replacement parts during transportation and before installation, both ends of the laser diode are short-circuited. After installing the new part, remove the short circuit according to the correct procedure in this service manual. 2. Do not use a tester to check

31、the laser diode for the optical pickup. Failure to do so will damage the laser diode due to the power supply in the tester. 3. Handling Precautions for the Traverse Unit (Optical Pickup) 1. Handle the traverse unit (optical pickup) gently, as it is an extremely high-precision assembly. 2. When repla

32、cing the optical pickup, install the flexible cable and cut its short land with wire cutters. See the optical pickup replacement procedure in this service manual. Before replacing the traverse unit, remove the shorting pin for preventing static electricity damage and install the new unit. Reconnect

33、the connector as quickly as possible. 3. The flexible cable lines may break if an excessive force is applied to it. Use caution when handling the cable. 4. The semi-fixed resistor for laser power adjustment should not be adjusted. Do not turn the resistor. DVD-S1200 DVD-S1200 4 I FRONT PANEL I REMOT

34、E CONTROL TRANSMITTER PANEL I REAR PANEL DVD-S1200 DVD-S1200 449 (17-11/16) 99 (3-15/16)281 (11-1/16) Unit : mm (inch) I SPECIFICATIONS VIDEO PERFORMANCE Video output level1 Vp-p (75 ) S-Video output levelNTSC: 0.286 Vp-p (75 ) PAL: 0.300 Vp-p (75 ) RGB video output levelR, G, B: 0.7 Vp-p (75 ) Sygn

35、al systemPAL 625/50, PAL 525/60, NTSC AUDIO PERFORMANCE Analog output level2 Vms (1 kHz, 0dB) Frequency responseDVD: 2 Hz 22 kHz (48 kHz sampling) 2 Hz 44 kHz (96 kHz sampling) 2 Hz 88 kHz (192 kHz sampling) CD:2 Hz 20 kHz Signal to Noise ratioCD: 115dB Dynamic rangeDVD: 103dB CD:99 dB Harmonic dist

36、ortionCD: 0.002% GENERAL Dimensions(W x H x D)449 x 99 x 281 mm 17-11/16 x 3-15/16 x 11-1/16 Weight3.5 Kg (7 lbs 12 oz.) FinishBlack color / Gold color Power supply220 240 V, 50 Hz Power consumption19 W Standby modeApprox. 4 W PACKAGE CONTENTS DVD Player, Remote Control & Batteries, AC Power cord, O

37、wners Manual, Audio/Video cable Specifications are subject to change without notice due to product improvements. 5 Dimensions I DISASSEMBLING THE CASING AND CHECKING P.C.B.s 1. Dissasembly Procedure *Manufactured under license from Dolby Laboratories. Dolby, Dolby Digital, Pro Logic, and the double-

38、D symbol V are trademarks of Dolby Laboratories. 1992-1997 Dolby Laboratories. All rights reserved. *Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other world-wide patents issued and pending. DTS, DTS Digital Surround, are trademarks of Digital Theater Syste

39、ms, Inc. copyright 1996 Digital Theater Systems, inc. All rights reserved. This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intellectual property rights owned by Macrovision Corporation and other rights owners. Use of this

40、 copyright protection technology must be authorized by Mcrovision Corporation, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or disassembly prohibited. DVD-S1200 DVD-S1200 6 2. Casing Parts and P.C.B. Location

41、s 3. Top Cover Remove the screws shown. DVD-S1200 DVD-S1200 5. Front Panel 1. Remove the connectors. 7 2. Remove the screws. 3. Remove the tabs. 4. Tray 1. Pull the tray out of the mechanism unit. Remove the gear and install it onto a screwdriver to make a gear jig. 2. Insert the gear jig into the t

42、ray open/close hole. 3. Turn the gear jig counterclockwise to open the tray. 4. Remove the tray lid from the tray section. 6. Mechanism Unit 1. Remove the screws. 2. Remove the connectors. 3. Pull out the mechanism unit vertically. DVD-S1200 DVD-S1200 8 7. Terminal P.C.B. 1. Remove the screws. 2. Re

43、move the solders. 3. Remove the connectors. 8. Module P.C.B. 1. Remove the screws. 2. Remove the connectors. 3. Squeeze each tab with plyers to pull out the module P.C.B. vertically. 9.Front-1 P.C.B., Front-2 P.C.B., and Front-3 P.C.B. 1. Remove the screws. 2. Release the tabs. 10. Rear panel 1. Rem

44、ove the screws 2. Release the tabs. 11. Scart P.C.B. Remove the connectors. 12. Power supply P.C.B. 1. Remove the screws. 2. Remove the connectors. DVD-S1200 DVD-S1200 14. Servicing Position 14.1. Servicing position of the Module P.C.B. 14.2. Servicing position of the Terminal P.C.B. 14.3. List of t

45、he Extention Cables Part No. 1TX94637026pinsPS4201 (Module P.C.B.) PP4201 (Mother P.C.B.)JGS0098 2AAX2782018pinsPS6202 (Module P.C.B.) PP6001 (Mother P.C.B.)JFKZ0098 3AAX2783010pinsPS3201 (Module P.C.B.) PP3201 (Mother P.C.B.)RFKZ0097 4AAX1659014pinsPS6251 (Module P.C.B.) PP1102 (Mother P.C.B.)VUC80

46、26 9 13. Mother P.C.B. Unscrew the screws. DVD-S1200 DVD-S1200 I OPTICAL PICKUP SELF-DIAGNOSIS AND REPLACEMENT PROCEDURE 1. Self-diagnosis An optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use the following procedure for eff

47、ective Self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing the optical pickup when NO DISC is displayed. As a guideline, you should replace the optical pickup when the value of the CD laser drive current is more than 55 (70 for DVD). Note: Press the STANDBY/ON button to turn on the power. Check the value within three minutes before the unit warms up. (Otherwise, the result will be