先锋VSX-2020-K维修图纸.pdf
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 Road, #04-01, Singapore 159936 PIONEER CORPORATION2010 2010 Printed in Japan MASTER VOLUME INPUT SELECTOR STANDBY/ON VSX-LX53 PHONES SLQPENUTDNAB AUTO SURR/ALC/ STREAM DIRECT ADVANCED SURROUND STANDARD SURROUND MCACC SETUP MIC STEREOSPEAKERSHOME THX USB CONTROL MULTI-ZONE ON/OFF ADVANCED MCACC iPod iPhoneTIDE RENUTTESERPIMDH ENTER iPod iPhone VIDEO CAMERA HDMI 5 VSX-LX53 RRV4133 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-LX53 VSX-2020-K THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). This service manual should be used together with the following manual(s). ModelTypePower RequirementRemarks VSX-LX53SYXJ5AC 220 V to 230 V VSX-2020-KSYXJ5AC 220 V to 230 V Model No.Order No.Remarks VSX-LX53 VSX-2020-K RRV4134PCB RETRIEVAL DIAGRAM For details, refer to Important Check Points for good servicing. K-FZV JUNE ? ? ? ? ? ? ? ? ? ? ? 2VSX-LX53 1234 A B C D E F 1234 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. ? ? ? ? ? ? ? ? ? ? ? 3VSX-LX53 5678 5678 A B C D E F CONTENTS 1. SERVICE PRECAUTIONS.5 1.1 NOTES ON SOLDERING.5 1.2 NOTES ON REPLACING .5 1.3 CAUTION.5 2. SPECIFICATIONS.6 2.1 SPECIFICATIONS.6 2.2 PANEL FACILITIES.7 3. BASIC ITEMS FOR SERVICE .11 3.1 CHECK POINTS AFTER SERVICING .11 3.2 PCB LOCATIONS.12 3.3 JIGS LIST.13 4. BLOCK DIAGRAM .14 4.1 OVERALL WIRING DIAGRAM .14 4.2 BLOCK DIAGRAM FOR AUDIO BLOCK.16 4.3 BLOCK DIAGRAM FOR DIGITAL MAIN VIDEO BLOCK .18 4.4 BLOCK DIAGRAM FOR COMPOSITE VIDEO BLOCK .19 4.5 BLOCK DIAGRAM FOR COMPONENT VIDEO BLOCK.20 4.6 BLOCK DIAGRAM FOR POWER BLOCK(1) .22 4.7 BLOCK DIAGRAM FOR POWER BLOCK(2) .24 5. DIAGNOSIS .26 5.1 DIAGNOSIS FLOWCHART .26 5.2 CIRCUIT DESCRIPTION.49 6. SERVICE MODE.55 6.1 TEST MODE.55 7. DISASSEMBLY .57 7.1 DISASSEMBLY.57 8. EACH SETTING AND ADJUSTMENT.73 8.1 HOW TO SAVE AND LOAD THE SETTINGS USING BACKUP FUNCTION WITH USB MEMORY.73 8.2 HOW TO UPDATE FIRMWARE.74 9. EXPLODED VIEWS AND PARTS LIST.78 9.1 PACKING SECTION.78 9.2 EXTERIOR SECTION .80 9.3 REAR SECTION.82 9.4 FRONT SECTION .84 10. SCHEMATIC DIAGRAM.86 10.1 AUDIO ASSY(1/3)(GUIDE PAGE) .86 10.2 AUDIO ASSY(2/3).92 10.3 AUDIO ASSY(3/3).94 10.4 COMPOSITE ASSY.96 10.5 DAC LOW ASSY(1/2) .98 10.6 DAC LOW ASSY(2/2) .100 10.7 COMPONENT ASSY.102 10.8 DIGITAL MAIN ASSY(1/10)(GUIDE PAGE).104 10.9 DIGITAL MAIN ASSY(2/10) .110 10.10 DIGITAL MAIN ASSY(3/10) .112 10.11 DIGITAL MAIN ASSY(4/10) .114 10.12 DIGITAL MAIN ASSY(5/10) .116 10.13 DIGITAL MAIN ASSY(6/10) .118 10.14 DIGITAL MAIN ASSY(7/10) .120 10.15 DIGITAL MAIN ASSY(8/10) .122 10.16 DIGITAL MAIN ASSY(9/10) .124 10.17 DIGITAL MAIN ASSY(10/10) .126 10.18 FRONT MIC 5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535; 7,212,872; 7,333,929; 7,392,195; 7,272,567 lights when the component is connected. iPod/iPhone Lights to indicate iPod/iPhone is connected. 5Character display 6ENTER 7Remote sensor Receives the signals from the remote control. 8MASTER VOLUME dial 9PHONES jack Use to connect headphones. When the headphones are connected, there is no sound output from the speakers. 10 Listening mode buttons AUTO SURR/ALC/ STREAM DIRECT Switches between Auto Surround , Auto Level Control mode and Stream Direct mode. STEREO Switches between stereo playback and Front Stage Surround Advance modes. ADVANCED SURROUND Use to switch between the various surround modes. STANDARD SURROUND Press for Standard decoding and to switch various modes ( Pro Logic, Neo:6, etc.). HOME THX Press to select a Home THX listening mode. 11SPEAKERS Use to change the speaker terminal. 12MULTI-ZONE controls If youve made MULTI-ZONE connections use these controls to control the sub zone from the main zone. 13MCACC SETUP MIC jack Use to connect the supplied microphone. 14iPod/iPhone/USB terminals Use to connect your Apple iPod as an audio and video source, or connect a USB device for audio and photo playback. 15 HDMI input connector Use for connection to a compatible HDMI device (Video camera, etc.). 1 Front Panel ? ? ? ? ? ? ? ? ? ? ? 8VSX-LX53 1234 A B C D E
