Pioneer-DJM900NXS-mix-sm电路图 维修手册.pdf

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1、ORDER NO. PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra

2、Road, #04-01, Singapore 159936 PIONEER CORPORATION2011 2011 Printed in Japan DJM-900NXS RRV4170 DJ MIXER DJM-900NXS THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRemarks DJM-900NXSSYXJ8AC 220 V to 240 V DJM-900NXSUXJCBAC 120 V DJM-900NXSLXJAC 110 V to 120

3、 V or 220 V to 240 V DJM-900NXSKXJ5AC 220 V DJM-900NXSXJCN5AC 220 V to 240 V NOTE: The model name of this product is DJM-900nexus. For details, refer to Important Check Points for good servicing. K-IZV APR. RadioFans.CN 收音机爱 好者资料库 2DJM-900NXS 1234 A B C D E F 1234 SAFETY INFORMATION WARNING This pro

4、duct may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm. Health it is not meant for the casual do-it- yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair c

5、omplex 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 qualified to perform the repair of this product properly and safely, you should not risk trying to do so and ref

6、er the repair to a qualified service technician. 1. SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakag

7、e current tester such as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). Plug the AC line cord of the appliance directly into a 120 V AC 60 Hz outlet and turn the AC pow

8、er switch on. Any current measured must not exceed 0.5 mA. ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. 2. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appli

9、ance have special safety related characteristics. These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage, wattage, etc. Replacement parts which have these special safety characteristics are

10、identified in this Service Manual. Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual. The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended

11、replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Product Safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current PIONEER Service Manual. A subscription to,

12、or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER. Leakage current tester Reading should not be above 0.5 mA Device under test Test all exposed metal surfaces Also test with plug reversed (Using AC adapter plug as required) Earth ground AC Leakage Test

13、(FOR USA MODEL ONLY) RadioFans.CN 收音机爱 好者资料库 3DJM-900NXS 5678 5678 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

14、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 modific

15、ations 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 re

16、pairing, 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 connect

17、ors 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 pinc

18、hed 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 f

19、ire 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 connecti

20、on 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 p

21、ay 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.

22、 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 specif

23、ied 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 i

24、s specified in this manual. RadioFans.CN 收音机爱 好者资料库 4DJM-900NXS 1234 A B C D E F 1234 CONTENTS SAFETY INFORMATION.2 1. SERVICE PRECAUTIONS .6 1.1 NOTES ON SOLDERING .6 1.2 NOTES ON REPLACING.6 1.3 SERVICE NOTICE.6 1.4 ON MODIFICATION OF THE VOLTAGE-MONITORING CIRCUITS.7 2. SPECIFICATIONS.9 2.1 SPECI

25、FICATIONS.9 2.2 PANEL FACILITIES.10 3. BASIC ITEMS FOR SERVICE.13 3.1 CHECK POINTS AFTER SERVICING.13 3.2 JIGS LIST.13 3.3 PCB LOCATIONS .14 4. BLOCK DIAGRAM.16 4.1 OVERALL WIRING DIAGRAM.16 4.2 AUDIO SYSTEM BLOCK DIAGRAM .18 4.3 DSP BLOCK DIAGRAM.20 4.4 POWER BLOCK DIAGRAM.22 5. DIAGNOSIS.24 5.1 PO

26、WER ON SEQUENCE.24 5.2 TROUBLESHOOTING .26 5.3 INFORMATION ON POWER DIAGNOSTICS.40 5.4 VOLTAGE MONITORING CIRCUIT .41 5.5 ABOUT THE PROTECTOR .43 5.6 DIAGNOSIS OF V+34D.44 5.7 ERROR INDICATIONS.45 5.8 CONNECTION CHECK WITH EACH INTERFACE .46 6. SERVICE MODE .47 6.1 TEST MODE.47 6.2 ABOUT THE DEVICE.

27、64 7. DISASSEMBLY.65 8. EACH SETTING AND ADJUSTMENT .75 8.1 NECESSARY ITEMS TO BE NOTED.75 8.2 UPDATING OF THE FIRMWARE.75 8.3 HOW TO CONFIRM THE DVS.81 8.4 USER SETABLE ITEMS .85 8.5 SHEET FOR CONFIRMATION OF THE USER SETTING .86 9. EXPLODED VIEWS AND PARTS LIST.88 9.1 PACKING SECTION.88 9.2 EXTERIOR SECION.90 9.3 BOTTOM SECTION.92 9.4 CONTROL PANEL SECTION (1/2).94 9.5 CONTROL PANEL SECTION (2/2).96 10. SCHEMATIC DIAGRAM .98 10.1 INPUT ASSY (1/11) .98 10.2 INPUT ASSY (2/11) .100 10.3 INPUT ASSY (3/11) .102 10.4 INPUT ASSY (4/11) .