Pioneer-VSXD1122K-avr-sch 维修电路原理图.pdf
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1、ORDER NO.PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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
2、, #04-01, Singapore 159936 PIONEER CORPORATION20122012 Printed in JapanVSX-1127-KRRV4307AV ReceiverVSX-1127-KVSX-1122-KVSX-60VSX-1027-KTHIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).ModelTypePower RequirementRemarksVSX-1127-KCUXEAC 120 VVSX-1122-KCUXESMAC 120 VVSX-60UXECBAC 120 VVSX
3、-1027-KCUXEAC 120 VK-MZV MAR.RadioFans.CN 收音机爱 好者资料库2VSX-1127-K1234ABCDEF1234SAFETY INFORMATION WARNINGThis product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm.Health & Safety Code Section 25249.6 - Proposition 65This service m
4、anual is intended for qualified service technicians; 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.Improperly performed repa
5、irs 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 PRECAUTIONS The follo
6、wing 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 between the earth grou
7、nd 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 MEASUREMENTS NOT WI
8、THIN 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 often not evident from
9、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 having such features are i
10、dentified 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 Manual, may create shock, f
11、ire, 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 obtained at a nominal charge
12、from PIONEER. LeakagecurrenttesterReading shouldnot be above0.5 mADeviceundertestTest allexposed metalsurfacesAlso test withplug reversed(Using AC adapterplug as required)EarthgroundAC Leakage Test(FOR USA MODEL ONLY)RadioFans.CN 收音机爱 好者资料库3VSX-1127-K56785678ABCDEFCONTENTS SAFETY INFORMATION.21. SER
13、VICE PRECAUTIONS.51.1 NOTES ON SOLDERING.51.2 NOTES ON REPLACING PARTS.51.3 SERVICE NOTICE.52. SPECIFICATIONS.63. BASIC ITEMS FOR SERVICE .93.1 CHECK POINTS AFTER SERVICING .93.2 JIGS LIST.93.3 PCB LOCATIONS.104. BLOCK DIAGRAM .124.1 OVERALL WIRING DIAGRAM .124.2 AUDIO BLOCK DIAGRAM.144.3 D-AUDIO BL
14、OCK DIAGRAM.164.4 D-VIDEO BLOCK DIAGRAM.184.5 VIDEO BLOCK DIAGRAM.204.6 POWER SUPPLY BLOCK DIAGRAM.225. DIAGNOSIS .245.1 TROUBLESHOOTING.245.2 ERROR INDICATIONS.325.3 DETECTION CIRCUIT .335.4 IC INFORMATION .356. SERVICE MODE.386.1 TEST MODE.386.2 DEFAULT SETTINGS .407. DISASSEMBLY .418. EACH SETTIN
15、G AND ADJUSTMENT.488.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED.488.2 USB BACKUP.498.3 UPDATING OF THE FIRMWARE.518.4 IDLE CURRENT ADJUSTMENT.549. EXPLODED VIEWS AND PARTS LIST.569.1 PACKING SECTION.569.2 EXTERIOR SECION.5810. SCHEMATIC DIAGRAM.6210.1 AUDIO ASSY.6210.2 AMP7 ASSY (1/
16、2).6410.3 AMP7 ASSY (2/2).6610.4 MAIN ASSY.6810.5 D-MAIN ASSY (1/10).7010.6 D-MAIN ASSY (2/10).7210.7 D-MAIN ASSY (3/10).7410.8 D-MAIN ASSY (4/10).7610.9 D-MAIN ASSY (5/10).7810.10 D-MAIN ASSY (6/10).8010.11 D-MAIN ASSY (7/10).8210.12 D-MAIN ASSY (8/10).8410.13 D-MAIN ASSY (9/10).8610.14 D-MAIN ASSY
17、 (10/10).8810.15 IR ASSY.9010.16 VIDEO ASSY.9210.17 BRG ASSY .9410.18 FRONT and POWER ASSYS.9610.19 MIC, FVIDEO and HP ASSYS.9810.20 G-L, G-R, WG-A, WG-B, CCG and BTCNT ASSYS.9910.21 FHDMI and F-USB ASSYS.10010.22 SMPS ASSY.10210.23 BT ASSY.1044VSX-1127-K1234ABCDEF123411. PCB CONNECTION DIAGRAM .106
18、11.1 AUDIO ASSY .10611.2 AMP7 ASSY.10811.3 MAIN ASSY.11011.4 D-MAIN ASSY.11411.5 IR ASSY.11811.6 VIDEO ASSY .12011.7 BRG ASSY.12211.8 FRONT, POWER, MIC, FVIDEO and HP ASSYS.12411.9 G-L, G-R, WG-A and WG-B ASSYS.12811.10 CCG and BTCNT ASSYS.12911.11 FHDMI and F-USB ASSYS.13011.12 BT ASSY.13111.13 SMP
19、S ASSY .13212. PCB PARTS LIST .1345VSX-1127-K56785678ABCDEF1. SERVICE PRECAUTIONS1.1 NOTES ON SOLDERING1.2 NOTES ON REPLACING PARTS1.3 SERVICE NOTICE 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 solde
20、ring iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering. 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 sold
21、ering iron must be set to around 373 C in general, although the temperature depends on the heat capacity of the PC board 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 solder
22、s, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden).The following lead-free solders are available as service parts: Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia.The par
23、t listed below is difficult to replace as a discrete component part.When the part listed in the table is defective, replace whole Assy.Assy NameD-MAIN AssyF-USB AssyHDMI ConnectorJACK with Cu-through-hole & SMD typeJA1601, JA9601-JA9607USB ConnectorJACK with Cu-through-hole & 6 pinJA9201LAN Connecto
24、rJACK with Cu-through-hole & 10 pinJA9202D-MAIN 3.3V Power Supply ICIC with heat-padIC9520D-MAIN 3.3V Power Supply ICIC with heat-padIC9521D-MAIN 1.8V Power Supply ICIC with heat-padIC9522DSP ICIC with heat-padIC9002VIDEO FORMAT CONVERTERIC BGA typeIC1204DDR ICIC BGA typeIC1212LAN PHY ICIC with heat
25、-padIC9203NETWORK MEDIA PROCESSORIC BGA typeIC9204HDMI Tx IC with heat-padIC1602HDMI RxIC with heat-padIC903HDMI SW ICIC with heat-padIC9602USB 5V SW ICIC with heat-padIC805USB 5V SW Power Supply ICIC with heat-padIC1307Parts that is Difficult to ReplaceRef No.FunctionPart No.Remarks Discharging For
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