Pioneer dv 510 kk service manual
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Extracted text from pioneer dv 510 kk service manual (Ocr-read)
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2 DV- 5 1 0 K - S 1 2 3 4 A B C D E F 1 2 3 4 SAFETY INFORMATION This service manual is intended for qualified service technicians ; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test e quipment and tools, and have been trainedto properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not q ualified to perform the repair of this product properly and safely, you should not risk tryin g to do so and refer the repair to a q ualified service technician. WARNING ! THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER PO WER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPON EN T IS CAPABLE OF EMITTIN G RADIATION EXCEEDING THE LIMIT FOR CLASS 1. A SPECIALLY INSTRUCTED PERSON SHOULD DO SER VICING OPERATION OF THE APPARATUS. LASER DIODE CHARACTERISTICS FOR D VD : MAXIMUM OUTPUT PO WER : 5 mW WAV ELEN GTH : 650 nm FOR CD : MAXIMUM OUTPUT PO WER : 5 mW WAV ELEN GTH : 78 0 nm Additional Laser Caution ∗ : See page 26. 1. Laser diode is driving with Q2303,Q2305(650nm LD) and Q2302, Q2304(78 0nm LD)on the D VD MT PCB Assy. Therefore, when short-circuit between the emitter and collector of these transistors or the base voltage is supplied for transistors turn on, the laser oscillates. (failure mode) In the test mode ∗ , there is the mode that the laser oscillates except for the disc judgment and playback. LD ON mode in the test mode oscillates with the laser forcibly. 2. When the cover is open, close viewing through the objective lens with the naked eye will cause exposure to the laser beam. LABEL CHECK (Printed on the Rear Panel) Location: inside of the unit OPEN/CLOSE HOME MENURETURN ENTER TOP MENUMENU USBDVD/USB S TANDBY/ON MIC1 MIC2 VOLUME MIN -MAX
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3 DV-510K-S 5 6 7 8 5 6 7 8 A B C D E F [Important Check Points for Good Servicing]In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual. 1 Use specified parts for repair. Use genuine parts. Be sure to use important parts for safety. 2 Do not perform modifications without proper instructions. Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as radio/TV interference and foreign noise. 3 Make sure the soldering of repaired locations is properly performed. When you solder while repairing, please be sure that there are no cold solder and other debris. Soldering should be finished with the proper quantity. (Refer to the example) 4 Make sure the screws are tightly fastened. Please be sure that all screws are fastened, and that there are no loose screws. 5 Make sure each connectors are correctly inserted. Please be sure that all connectors are inserted, and that there are no imperfect insertion. 6 Make sure the wiring cables are set to their original state. Please replace the wiring and cables to the original state after repairs. In addition, be sure that there are no pinched wires, etc. 7 Make sure screws and soldering scraps do not remain inside the product. Please check that neither solder debris nor screws remain inside the product. 8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord. Damaged power cords may lead to fire accidents, so please be sure that there are no damages. If you find a damaged power cord, please exchange it with a suitable one. 9 There should be no spark traces or similar marks on the power plug. When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure connections and suitable usage. Please exchange the power cord if necessary. a Safe environment should be secured during servicing. When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries. Please pay attention to your surroundings and repair safely. 2. Adjustments To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification. Adjustments should be performed in accordance with the procedures/instructions described in this manual. 4. Cleaning For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper cleaning should be performed to restore their performances. 3. Lubricants, Glues, and Replacement parts Use grease and adhesives that are equal to the specified substance. Make sure the proper amount is applied. 5. Shipping mode and Shipping screws To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual.