Pioneer-DJM850-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 CORPORATION2012 2012 Printed in Japan DJM-850-K RRV4298 DJ MIXER DJM-850-K DJM-850-S THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRemarks DJM-850-K, DJM-850-SSYXJ8AC 220 V to 240 V DJM-850-K, DJM-850-SUXJCBAC 120 V

3、DJM-850-K, DJM-850-SLXJAC 110 V to 120 V or 220 V to 240 V DJM-850-K, DJM-850-SKXJ5AC 220 V DJM-850-K, DJM-850-SXJCN5AC 220 V to 240 V K-MZV MAR. RadioFans.CN 收音机爱 好者资料库 2DJM-850-K 1234 A B C D E F 1234 SAFETY INFORMATION WARNING This product may contain a chemical known to the State of California t

4、o 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 complex products such as those covered by this manual. Improper

5、ly 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 refer the repair to a qualified service technician. 1. SAFETY PRE

6、CAUTIONS 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 leakage current tester such as Simpson Model 229-2 or equivalent bet

7、ween 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 power switch on. Any current measured must not exceed 0.5 mA. ANY

8、 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 appliance have special safety related characteristics. These are of

9、ten 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 identified in this Service Manual. Electrical components havin

10、g 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 replacement one, shown in the parts list in this Service Manua

11、l, 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, or additional copies of, PIONEER Service Manual may be obtaine

12、d 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 (FOR USA MODEL ONLY) RadioFans.CN 收音机爱 好者资料库 3DJM-850-K 5678 5

13、678 A B C D E F CONTENTS SAFETY INFORMATION.2 1. SERVICE PRECAUTIONS.5 1.1 NOTES ON SOLDERING.5 1.2 NOTES ON REPLACING .5 1.3 NOTES ON SERVICING.5 2. SPECIFICATIONS.6 3. BASIC ITEMS FOR SERVICE .7 3.1 CHECK POINTS AFTER SERVICING .7 3.2 JIGS LIST.7 3.3 PCB LOCATIONS.8 4. BLOCK DIAGRAM .10 4.1 OVERAL

14、L WIRING DIAGRAM .10 4.2 AUDIO SYSTEM BLOCK DIAGRAM.12 4.3 DSP BLOCK DIAGRAM.14 4.4 POWER BLOCK DIAGRAM .16 5. DIAGNOSIS .18 5.1 POWER ON SEQUENCE.18 5.2 TROUBLESHOOTING.20 5.3 POWER SUPPLY DIAGNOSIS INFORMATION.31 5.4 VOLTAGE MONITORING CIRCUIT.32 5.5 ABOUT POLYSWITCH.34 5.6 ABOUT PROTECTOR.35 5.7

15、V+34D DIAGNOSIS.36 5.8 ERROR INDICATIONS.37 5.9 CONNECTION CHECK WITH EACH INTERFACE.38 5.10 HOW TO CONFIRM THE DVS SIGNAL ROUTE .39 5.11 IC INFORMATION .43 6. SERVICE MODE.56 6.1 TEST MODE.56 6.2 ABOUT THE DEVICE.71 7. DISASSEMBLY .72 8. EACH SETTING AND ADJUSTMENT.84 8.1 NECESSARY ITEMS TO BE NOTE

16、D.84 8.2 UPDATING OF THE FIRMWARE.84 8.3 USER SETABLE ITEMS.87 8.4 SHEET FOR CONFIRMATION OF THE USER SETTING.87 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

17、 DIAGRAM.98 10.1 INPUT ASSY (1/5).98 10.2 INPUT ASSY (2/5).100 10.3 INPUT ASSY (3/5).102 10.4 INPUT ASSY (4/5).104 10.5 INPUT ASSY (5/5).106 10.6 MIC1 and MTRM ASSYS .108 10.7 MAIN ASSY (1/19).110 10.8 MAIN ASSY (2/19).112 10.9 MAIN ASSY (3/19).114 10.10 MAIN ASSY (4/19).116 10.11 MAIN ASSY (5/19).1

18、18 10.12 MAIN ASSY (6/19).120 10.13 MAIN ASSY (7/19).122 10.14 MAIN ASSY (8/19).124 10.15 MAIN ASSY (9/19).126 10.16 MAIN ASSY (10/19).128 RadioFans.CN 收音机爱 好者资料库 4DJM-850-K 1234 A B C D E F 1234 10.17 MAIN ASSY (11/19).130 10.18 MAIN ASSY (12/19).132 10.19 MAIN ASSY (13/19).134 10.20 MAIN ASSY (14/19).136 10.21 MAIN ASSY (15/19).138 10.22 MAIN ASSY (16/19).140 10.23 MAIN ASSY (17/19).142 10.24 MAIN ASSY (18/19).144 10.25 M