Pioneer-VSX818VS-avr-sm 维修电路原理图.pdf
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1、ORDER NO.PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, BelgiumPIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Sin
2、gapore 159936 PIONEER CORPORATION20082008 Printed in JapanMASTERVOLUMEVSX-918VSTANDBY/ONPHONESDVDDVRTVVIDEO/PORTABLECD/CD-RiPodFM/AMXMSPEAKERSVSB MODESIGNALSELECTSOUNDRETRIEVERSIRIUSAUXPHASECONTROLINPUTSELECTORADVANCEDSURROUNDSTEREO /A.L.C.STANDARDAUDIO/VIDEO MULTI-CHANNEL RECEIVERACOUSTICEQPHASECON
3、TROLAUTO SURR /STREAM DIRECTMCACC PORTABLEiPod DIRECTAUDIORLVIDEODIGITAL PRECISIONPROCESSINGVSX-918V-KRRV3706AUDIO/VIDEO MULTI-CHANNEL RECEIVERVSX-918V-KVSX-918V-SVSX-818V-KVSX-818V-STHIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).ModelTypePower RequirementRemarksVSX-918V-KKUXJ/CAAC
4、120 VVSX-918V-SKUXJ/CAAC 120 VVSX-818V-KKUXJ/CAAC 120 VVSX-818V-SKUXJ/CAAC 120 VFor details, refer to Important Check Points for good servicing. T-ZZK JAN.RadioFans.CN 收音机爱 好者资料库2VSX-918V-K1234ABCDEF1234SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not m
5、eant for the casualdo-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have beentrained 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
6、 and mayvoid the warranty. If you are not qualified to perform the repair of this product properly and safely, youshould not risk trying to do so and refer the repair to a qualified service technician.WARNINGThis product contains lead in solder and certain electrical parts contain chemicals which ar
7、e known to the state of California tocause cancer, birth defects or other reproductive harm.Health & Safety Code Section 25249.6 Proposition 65NOTICE(FOR CANADIAN MODEL ONLY)Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacementparts must be of identical des
8、ignation.REMARQUE(POUR MODLE CANADIEN SEULEMENT)Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent queles pices de remplacement doivent avoir la mme dsignation.ANY MEASUREMENTS NOT WITHIN THELIMITS OUTLINED ABOVE ARE INDICATIVEOF A POTENTIAL SHOCK HAZARD
9、ANDMUST BE CORRECTED BEFORE RETURN-ING THE APPLIANCE TO THE CUSTOMER.2. PRODUCT SAFETY NOTICEMany electrical and mechanical parts in the appliancehave special safety related characteristics. These areoften not evident from visual inspection nor theprotection afforded by them necessarily can be obtai
10、ned by using replacement components rated for voltage,wattage, etc. Replacement parts which have thesespecial safety characteristics are identified in thisService Manual.Electrical components having such features are identified by marking with a on the schematics andon the parts list in this Service
11、 Manual.The use of a substitute replacement component whichdoes not have the same safety characteristics as thePIONEER recommended replacement one, shown in theparts list in this Service Manual, may create shock, fire,or other hazards.Product Safety is continuously under review and newinstructions a
12、re issued from time to time. For the latestinformation, always consult the current PIONEERService Manual. A subscription to, or additional copiesof, PIONEER Service Manual may be obtained at anominal charge from PIONEER.(FOR USA MODEL ONLY)1. SAFETY PRECAUTIONSThe following check should be performed
13、 for thecontinued protection of the customer and servicetechnician.LEAKAGE CURRENT CHECKMeasure leakage current to a known earth ground(water pipe, conduit, etc.) by connecting a leakagecurrent tester such as Simpson Model 229-2 orequivalent between the earth ground and all exposedmetal parts of the
14、 appliance (input/output terminals,screwheads, metal overlays, control shaft, etc.). Plugthe AC line cord of the appliance directly into a 120VAC 60 Hz outlet and turn the AC power switch on. Anycurrent measured must not exceed 0.5 mA.DeviceundertestLeakagecurrenttesterEarthgroundReading shouldnot b
15、e above0.5 mAAlso test withplug reversed(Using AC adapterplug as required)Test allexposed metalsurfacesAC Leakage TestRadioFans.CN 收音机爱 好者资料库3VSX-918V-K56785678ABCDEF4VSX-918V-K1234ABCDEF1234CONTENTS SAFETY INFORMATION.21. SERVICE PRECAUTIONS.51.1 NOTES ON SOLDERING .51.2 AMPLIFIER FAILURE DIAGNOSIS
16、 FLOW CHART.52. SPECIFICATIONS.62.1 SPECIFICATIONS.62.2 PANEL FACILITIES.73. BASIC ITEMS FOR SERVICE.133.1 CHECK POINTS AFTER SERVICING.133.2 JIGS LIST .133.3 PCB LOCATIONS .144. BLOCK BIAGRAM.164.1 OVERALL WIRING CONNECTION DIAGRAM (VSX-918V) .164.2 OVERALL WIRING CONNECTION DIAGRAM (VSX-818V) .184
17、.3 BLOCK DIAGRAM (VSX-918V).204.4 BLOCK DIAGRAM (VSX-818V).224.5 DSP BLOCK DIAGRAM.244.6 HDMI BLOCK DIAGRAM.254.7 USB (iPod) BLOCK DIAGRAM .265. DIAGNOSIS.275.1 DIAGNOSIS FLOWCHART.275.2 DETECTION CIRCUIT.485.3 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.506. SERVICE MODE.517. DISASSEMBLY.52
18、8. EACH SETTING AND ADJUSTMENT .578.1 HOW TO UPDATE FIRMWARE.579. EXPLODED VIEWS AND PARTS LIST.589.1 PACKING .589.2 EXTERIOR SECTION.609.3 REAR PANEL SECTION.629.4 FRONT PANEL SECTION .6410. SCHEMATIC DIAGRAM.6610.1 MAIN ASSY (1/3).6610.2 MAIN ASSY (2/3).6810.3 MAIN ASSY (3/3).7010.4 DSP & USB ASSY
19、 (1/4).7210.5 DSP & USB ASSY (2/4).7410.6 DSP & USB ASSY (3/4).7610.7 DSP & USB ASSY (4/4).7810.8 POWER PACK (1/2) and TRANS2 ASSYS.8010.9 POWER PACK ASSY (2/2) .8210.10 COMPONENT VIDEO, 5.1CH INPUT and TRANS3 ASSYS .8410.11 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS.8610.12 DIGITAL INPU
20、T, REGULATOR and HEAD PHONE ASSYS.8810.13 VIDEO, PRIMARY, FRONT VIDEO and TRANS1 ASSYS.9010.14 FRONT IN ASSY.9210.15 SIRIUS ASSY .9410.16 HDMI & DSP & USB ASSY (1/5) .9610.17 HDMI & DSP & USB ASSY (2/5) .9810.18 HDMI & DSP & USB ASSY (3/5) .10010.19 HDMI & DSP & USB ASSY (4/5) .10210.20 HDMI & DSP &
21、 USB ASSY (5/5) .10411. PCB CONNECTION DIAGRAM .10611.1 SIRIUS ASSY .10711.2 DSP & USB and HDMI ASSYS.10811.3 MAIN ASSY .11211.4 POWER PACK ASSY.11611.5 TRANS2 and TRANS3 ASSYS.12011.6 COMPONENT VIDEO ASSY.12211.7 5.1CH INPUT and HEAD PHONE ASSYS .12311.8 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and
22、 JOG ASSYS.12411.9 DIGITAL INPUT and FRONT VIDEO ASSYS.12811.10 REGULATOR ASSY.12911.11 VIDEO ASSY .13011.12 FRONT IN ASSY.13111.13 TRANS1 and PRIMARY ASSYS.13211.14 HDMI & DSP & USB ASSY.13412. ELECTRICAL PARTS LIST .1385VSX-918V-K56785678ABCDEF1. SERVICE PRECAUTIONS1.1 NOTES ON SOLDERING1.2 AMPLIF
23、IER FAILURE DIAGNOSIS FLOW CHART For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of solderi
24、ng. Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 C. Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 C in general, although the temperature depends on the heat capacity of the PC bo
25、ard on which reworking is required and the weight of the tip of the soldering iron.Do NOT use a soldering iron whose tip temperature cannot be controlled.Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to mel
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