Pioneer-VSX1018AH-avr-sm电路图 维修手册.pdf

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1、ORDER NO. 2008 Printed in Japan VSX-LX51 RRV3765 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-LX51 VSX-1018AH-K VSX-1018AH-S THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRemarks VSX-LX51HYSXJ5AC 220 V to 230 V VSX-1018AH-KYSXJ5AC 220 V to 230 V VSX-1018AH-SYSX

2、J5AC 220 V to 230 V For details, refer to Important Check Points for good servicing. T-ZZV MAY RadioFans.CN 收音机爱 好者资料库 2VSX-LX51 1234 A B C D E F 1234 SAFETY INFORMATION This service manual is intended for qualified service technicians ; it is not meant for the casual do-it- yourselfer. Qualified te

3、chnicians 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. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qual

4、ified 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. RadioFans.CN 收音机爱 好者资料库 3VSX-LX51 5678 5678 A B C D E F Important Check Points for Good Servicing In this manual, procedures that must be perfo

5、rmed 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

6、 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 ra

7、dio/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

8、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

9、 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

10、. 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 trace

11、s 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 p

12、erform 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 characte

13、ristics 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 perf

14、ormed 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

15、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. RadioFans.CN 收音机爱 好者资料库 4VSX-LX51 1234 A B C D E F 1234 CONTENTS SAFETY INFORMATION.2 1. SERVICE PRECAUTIONS.6 2. SPECIFICATIONS.7 2.1 ACC

16、ESSORIES.7 2.2 SPECIFICATIONS.8 2.3 PANEL FACILITIES.9 3. BASIC ITEMS FOR SERVICE.14 3.1 CHECK POINTS AFTER SERVICING.14 3.2 PCB LOCATIONS .15 3.3 JIGS LIST .17 4. BLOCK DIAGRAM.18 4.1 OVERALL WIRING DIAGRAM.18 4.2 BLOCK DIAGRAM FOR AUDIO BLOCK.20 4.3 BLOCK DIAGRAM FOR VIDEO BLOCK.21 4.4 BLOCK DIAGR

17、AM FOR HDMI FOR VSX-LX51.23 4.5 BLOCK DIAGRAM FOR HDMI FOR VSX-1018AH .24 4.6 BLOCK DIAGRAM FOR USB BLOCK.25 4.7 BLOCK DIAGRAM FOR U-COM .26 4.8 BLOCK DIAGRAM FOR POWER SUPPLY BLOCK .27 5. DIAGNOSIS.28 5.1 DIAGNOSIS FLOWCHART.28 5.2 CIRCUIT DESCRIPTION.61 6. SERVICE MODE.64 6.1 TEST MODE.64 7. DISAS

18、SEMBLY.67 8. EACH SETTING AND ADJUSTMENT .71 8.1 HOW TO UPDATE FIRMWARE.71 9. EXPLODED VIEWS AND PARTS LIST.76 9.1 PACKING SECTION .76 9.2 EXTERIOR SECTION.78 9.3 CHASSIS SECTION .80 9.4 POWER AMP SECTION.82 9.5 FRONT PANEL SECTION .84 10. SCHEMATIC DIAGRAM.86 10.1 AUDIO IN ASSY (1/2) .86 10.2 AUDIO

19、 IN ASSY (2/2) .88 10.3 MAIN ASSY (1/4).90 10.4 MAIN ASSY (2/4).92 10.5 MAIN ASSY (3/4).94 10.6 MAIN ASSY (4/4).96 10.7 DSP & USB ASSY (1/5).98 10.8 DSP & USB ASSY (2/5).100 10.9 DSP & USB ASSY (3/5).102 10.10 DSP & USB ASSY (4/5).104 10.11 DSP & USB ASSY (5/5).106 10.12 FRONT IN ASSY.108 10.13 INTE

20、RFACE ASSY .110 10.14 HDMI & DVC ASSY (1/2) (VSX-LX51).112 10.15 HDMI & DVC ASSY (2/2) (VSX-LX51).114 10.16 HDMI ASSY (VSX-1018AH).116 10.17 BINDER, BIND L FRONT, BIND L BACK, BIND R FRONT and BIND R BACK ASSYS .118 10.18 POSI1, POSI2 and POSI3 ASSYS .119 10.19 DISPLAY ASSY.120 10.20 MULTI JOG, POWE

21、R SW, DIODE, HEADPHONE, PRIMARY and DC/DC ASSYS.122 10.21 POWER AMP ASSY (1/2).124 10.22 POWER AMP ASSY (2/2).126 10.23 PRE-STAGE AMP ASSY .128 10.24 REGULATOR ASSY.130 11. PCB CONNECTION DIAGRAM .133 11.1 AUDIO IN ASSY.134 11.2 MAIN ASSY .138 11.3 DSP & USB ASSY .142 11.4 FRONT IN ASSY.144 11.5 INTERFACE ASSY .