Pioneer-VSX49TX-avr-sm维修电路原理图.pdf

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1、ORDER NO. PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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 Ro

2、ad, #04-01, Singapore 159936 ? ? ? ? ? ? PIONEER ELECTRONIC CORPORATION 2001c VSX-49TX RRV2523 1. SAFETY INFORMATION.2 2. EXPLODED VIEWS AND PARTS LIST.3 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.14 4. PCB CONNECTION DIAGRAM . 82 5. PCB PARTS LIST.122 6. ADJUSTMENT.140 CONTENTS 7. GENERAL INFORMATION .

3、141 7.1 DIAGNOSIS.141 7.1.1 TEST MODE.141 7.1.2 Protection Circuit Control . 142 7.1.3 DISASSEMBLY .145 7.2 PARTS.149 7.2.1 IC .149 7.2.2 DISPLAY.158 7.3 REMOTE CONTROL UNIT.160 8. PANEL FACILITIES AND SPECIFICATIONS.171 T ZZR OCT. 2001 Printed in Japan VSX-47TX AUDIO/VIDEO MULTI-CHANNEL RECEIVER Ty

4、pe Model Power RequirementRemarks VSX-49TXVSX-47TX KU/CAAC120V THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). STANDBY/ON OFFON STANDBY DVD/LDTV/DVDSATVIDEO VIDEOAUDIO VCRVCR2VCR3CDTUNERPHONO MAC3 CD-R/ TAPE1/MD MULTI CH INPUT LISTENING MODE SELECTOR MASTER VOLUMEINPUT SELECTOR VSX-

5、49TXAUDIO/VIDEO MULTI-CHANNEL AMPLIFIER DOWN UP RadioFans.CN 收音机爱 好者资料库 2 VSX-49TX, VSX-47TX 1. SAFETY INFORMATION This service manual 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,

6、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 qualified to perform the repair of this product properly an

7、d safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Heal

8、th & Safety Code Section 25249.6 Proposition 65 NOTICE (FOR CANADIAN MODEL ONLY) Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts must be of identical designation. REMARQUE (POUR MODLE CANADIEN SEULEMENT) Les symboles de fusible (fusible de type

9、rapide) et/ou (fusible de type lent) sur CCI indiquent que les pices de remplacement doivent avoir la mme dsignation. ANY 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 SAFE

10、TY NOTICE Many electrical and mechanical parts in the appliance have special safety related characteristics. These are often 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

11、 parts which have these special safety characteristics are identified in this Service Manual. Electrical components having 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

12、the same safety characteristics as the PIONEER recommended replacement one, shown in the parts list in this Service Manual, 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 cons

13、ult the current PIONEER Service Manual. A subscription to, or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER. 1. SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURR

14、ENT 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 ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control sh

15、aft, etc.). Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on. Any current measured must not exceed 0.5mA. (FOR USA MODEL ONLY) Leakage current tester Reading should not be above 0.5mA Device under test Test all exposed metal surfaces Also tes

16、t with plug reversed (Using AC adapter plug as required) Earth ground AC Leakage Test RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 3 2.1 PACKING 1Power CordADG7052 2FM Wire AntennaADH7010 3AM Loop AntennaATB7009 4Remote Control Unit AX10KUSee Contrast table (2) 5Remote Control Unit 47TXKUSee Contrast

17、table (2) 6Alkaline Dry Cell BatteryVEM1021(2pcs.) (LR6, AA) 7Operating Instructions (English) See Contrast table (2) 8Caution Sheet SP, EARM7056 NSP9Warranty Card ELARY1026 10Cushion for RemoteSee Contrast table (2) 11Top PadAHA7362 12Bottom PadAHA7363 13SpacerAHB7057 14Packing CaseSee Contrast tab

18、le (2) 15Packing SheetDHL1022 NSP16Polyethylene BagZ21-038 (0.03 230 340) 17Remote Control CableSee Contrast table (2) 18Remote Control StandSee Contrast table (2) 19Handle CoverAHX7034 20MicrophoneSee Contrast table (2) (1) PACKING PARTS LIST Mark No. Description Part No. 2. EXPLODED VIEWS AND PART

19、S LIST NOTES: Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List. The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. Screws adjacent

20、 to mark on the product are used for disassembly. (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA constructed the same except for the following : MarkNo.Symbol and Description Part No. Remarks VSX-49TX/KU/CAVSX-47TX/KU/CA 4 5 7 10 14 17 18 20 Remote Control Unit AX10KU Remote Control Unit 47TX/

21、KU Operating Instruction (English) Cushion for Remote Packing Case Remote Control Cable Remote Control Stand Microphone AXD7295 Not used ARB7249 AXG7080 AHD8029 Not used Not used APM7001 Not used AXD7299 ARB7250 Not used AHD8028 ADE7083 AEB7243 Not used 4 16 15 9 8 10 7 11 (1/2) 13 14 13 11 (2/2) 12

22、 (1/2) VSX-49TX Only VSX-49TX Only VSX-47TX Only VSX-47TX Only 2 3 6 12 (2/2) 17 18 5 20 19 19 1 RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 4 2.2 EXTERIOR SECTION A A B C D DB C 11 1 12 12 12 2221 4 23 2 (Shows VSX-49TX) 2 (Shows VSX-49TX) 12 20 13 14 16 4 25 18 6 7 8 17 19 19 17 5 19 10 9 17 9 10 1

23、7 18 19 Refer to 2.5 HEAT SINK SECTION. Refer to 2.6 FRONT PANEL SECTION. VSX-49TX ONLY 19 12 4 3 13 14 15 13 25 3 24 20 26 27 4 Refer to 2.3 CHASSIS SECTION. 28 29 RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 5 NSP1Top Plate BKANE7282 2Side Alum BKSee Contrast table (2) 2Side Plate BKSee Contrast tab

24、le (2) NSP3Side Panel SheetSee Contrast table (2) NSP3Side Panel Sheet SSee Contrast table (2) NSP4TapeSee Contrast table (2) 5UL Caution CardAAX-313 NSP6Energy Star LabelAAX7876 NSP7Bottom Plate BSee Contrast table (2) NSP8Bottom Plate AANF7029 9Insulator AssySee Contrast table (2) 9InsulatorSee Co

25、ntrast table (2) 10ScrewABA1054 11ScrewBBT30P060FCC 12ScrewFBT40P080FZK 13ScrewABA7079 14ScrewRBA1099 15ScrewVBA1056 16ScrewABA1011 17ScrewABA1050 18ScrewABA1193 19ScrewIBZ30P090FCC 20WasherSee Contrast table (2) 21Coution LabelSee Contrast table (2) 22DTS License LabelSee Contrast table (2) 23Screw

26、BBZ30P080FCC 2465 LabelARW7050 25ScrewBBT30P100FCC 26ICP Coution LabelARW7151 27FUSE Coution LabelVRW-548 28ICP Coution LabelARW7150 29BinderZCA-BK1 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for

27、the following : MarkNo.Symbol and Description Part No. Remarks VSX-49TX/KU/CAVSX-47TX/KU/CA NSP NSP NSP NSP 2 2 3 3 4 7 9 9 20 21 22 Side Alum BK Side Plate BK Side Panel Sheet Side panel Sheet S Tape Bottom Plate B Insulator Assy Insulator Washer Caution Label DTS License Label AAH7081 Not used AMR

28、7284 Not used PNM1249 ANF7030 VXA2368 Not used Not used ARW7036 ARW7148 Not used ANE7279 Not used AMR7384 Not used Not used Not used PNW2766 ABE7008 Not used Not used RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 6 2.3 CHASSIS SECTION D E E D C B F F C E E B A A11 VSX-49TX ONLY 10 70 70 9 43 43 38 39 2

29、7 43 46 46 31 29 57 46 30 30 58 45 33 43 53 67 41 41 43 43 24 33 45 55 68 68 68 65 65 75 18 43 43 6 55 32 55 55 28 45 25 24 24 22 23 48 57 5 59 60 25 43 43 43 43 43 48 49 48 50 17 47 14 15 14 47 16 49 49 50 50 50 50 48 17 43 18 43 43 46 Refer to 2.4 REAR PANEL SECTION. 46 43 45 45 43 43 43 43 61 62

30、66 43 42 40 53 44 1 43 44 52 51 3 4 64 12 52 13 20 2 21 19 45 53 46 2645 27 43 7 54 35 36 50 37 56 65 63 563750 43 36 46 46 35 54 34 8 68 TS R U H AA AI AL AK AM AN 72 73 76 71 74 RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 7 1MOTHER AssySee Contrast tabel (2) 2DIODE AssyAWX7841 3TRANS (A) AssyAWX783

31、8 4TRANS (B) AssyAWX8057 5FUSE AssyAWX7843 6MIC AMP AssyAWX7872 7DSP DIODE AssyAWX7958 8LOCAL SUPPLY AssyAWX7887 9DAC10 AssySee Contrast table (2) 9DAC8 AssySee Contrast table (2) 10DSP AssySee Contrast table (2) 11DSP3 AssySee Contrast table (2) 12Power Transformer (T1)ATS7320 NSP13PCB Holder BANG7

32、388 14Capacitor (C1, C2)ACH7164 15Rubber SpacerAEB7244 NSP16Earth PlateANG7381 NSP17Joint PlateANG7382 NSP18PCB BaseRNE1849 19Trans FrameANA7137 20SheetAEE7043 NSP21Trans StabilizerANG7378 NSP22Side Frame LSee Contrast table (2) NSP23Side Wall LSee Contrast table (2) NSP24Wire Clip (A)VEC1355 NSP25I

33、nsulator Frame BANG7377 26Glass TubeADN7006 27Cord HolderRNH1005 28Panel StaySee Contrast table (2) NSP29Fan Holder BSee Contrast table (2) NSP30Wire SaddleDEC1450 NSP31Side Wall RSee Contrast table (2) NSP32Flat Cable ClampAEC7376 NSP33Insulator Frame AANG7376 34Sub Heat SinkANH7154 NSP35PCB Holder

34、 DANG7392 36Mica Sheet SAEE7042 37Bushing 26AEC7128 NSP38PCB SpacerAEC7156 NSP39Shield Case ASee Contrast table (2) NSP40Side Frame RSee Contrast table (2) (1) CHASSIS SECTION PARTS LIST Mark No. Description Part No. (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same excep

35、t for the following : MarkNo.Symbol and Description Part No. Remarks VSX-49TX/KU/CAVSX-47TX/KU/CA NSP NSP NSP NSP NSP NSP NSP 1 9 9 10 11 22 23 28 29 31 39 40 42 MOTHER Assy DAC10 Assy DAC8 Assy DSP Assy DSP3 Assy Side Frame L Side Wall L Panel Stay Fan Holder Side Wall R Shield Case A Side Frame R

36、Shield Case B AWX7890 AWK7725 Not used AWK7719 AWK7727 ANA7133 AND7041 AND7045 ANG7373 AND7043 ANK7093 ANA7135 ANK7095 AWX7891 Not used AWK7726 AWK7720 Not used ANA7134 AND7042 AND7046 ANG7374 AND7044 ANK7094 ANA7136 ANK7096 Mark No. Description Part No. NSP41TapePNM1249 NSP42Shield Case BSee Contra

37、st table (2) 43ScrewABA1011 NSP44PCB Holder CANG7389 45ScrewBBZ30P080FCC 46ScrewIBP30P090FCC 47ScrewVBA1056 48ScrewABA1082 49ScrewBMH40P080FMC 50ScrewABA7076 51Trans LabelAAX7897 52ScrewABA1014 53ScrewBBT30P060FCC 54ScrewABA1050 55ScrewABA1192 56ScrewABA7084 57ScrewRBA1099 NSP58PCB Frame BANG7386 59

38、Fuse (FU4, 4A)VEK1023 60Fuse (FU5-FU8, 2A)VEK1019 61J29 FFC (17P)ADD7329 (MOTHER CN5807 DISPLAY CN3001) 62J30 FFC (11P)ADD7337 (MOTHER CN5806 MIC AMP CN3207) 63J16 8P Connector AssyADX7379 (LOCAL SUPPLY CN4001 FUSE CN1802) 64J17 3P Connector AssyADX7380 (LOCAL SUPPLY CN4002 TRANS(B) CN1701) 65Binder

39、ZCA-BK1 66Card SpacerREC1156 67PCB HolderPNW2100 68Locking Card SpacerVEC2234 69ScrewABA7017 70PC SupportDEC1772 71Oval head Terminal wireADX7366 72J1601 5P,7P Parallel wireADX7385 73J5805 9P Connector AssyADX7378 (Local Supply CN4004Mother CN5805) 745802 Crimp Connector AssyPF06PP-R27 (Mother CN582

40、7Mother CN5828) 75PCB SpacerVEC1508 76Fuse (FU9-FU10, 1A)VEK1014 RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 8 2.4 REAR PANEL SECTION 13 16 16 16 16 14 21 17 16 16 16 18 16 23 1 15 4 19 19 22 3 5 6 7 8 9 10 11 12 19 19 2 20 A Q L G E F D C B AJ AD AB 28 27 VSX-49TX ONLY 25 24 29 26 RadioFans.CN 收音机爱

41、好者资料库 VSX-49TX, VSX-47TX 9 1FM/AM TUNER ModuleAXQ7237 2SP (B) AssyAWX7852 3AC PRIMARY AssyAWX7834 4SP (A) AssyAWX7848 5VIDEO CONNECT AssySee Contrast table (2) 6V-CONVERT AssySee Contrast table (2) 7COMPONENT AssySee Contrast table (2) 8S-VIDEO AssySee Contrast table (2) 9COMPOSITE AssySee Contrast

42、table (2) 10AV I/O AssySee Contrast table (2) 11VR & PRE OUT AssySee Contrast table (2) 12ANALOG IN & A/D AssySee Contrast table (2) 13Rear PanelSee Contrast table (2) 14Screw with TerminalAKE-031 15AC Inlet AssyVKP2251 16ScrewBBZ30P080FCC 17Hexagonal ScrewABA7078 18ScrewABA1193 19ScrewABA1011 20Fus

43、e (FU1, 12A/125V)AEK-306 21Short Pin PlugAKM7005 22J23 FFC (14P)ADD7334 (SP(A) CN1104 MOTHER CN5801) 23J22 FFC (13P)ADD7333 (TUNER CN2705 MOTHER CN5802) (1) REAR PANEL SECTION PARTS LIST Mark No. Description Part No. (2) CONTRAST TABLE VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same excep

44、t for the following : MarkNo.Symbol and Description Part No. Remarks VSX-49TX/KU/CAVSX-47TX/KU/CA 5 6 7 8 9 10 11 12 13 VIDEO CONNECT Assy V-CONVERT Assy COMPONENT Assy S-VIDEO Assy COMPOSITE Assy AV I/O Assy VR & PRE OUT Assy ANALOG IN & A/D Assy Rear Panel AWX7876 AWX7952 AWX7953 AWX7948 AWX7942 A

45、WX7938 AWX7888 AWX7878 ANC8036 AWX7877 Not used AWX7954 AWX7949 AWX7943 AWX7939 AWX7917 AWX7879 ANC8035 Mark No. Description Part No. 24Speaker Sheet 49AAK7959 25Cushion CircleAED7052 26Jamper Wire 3PD20PYY0365E (AC Primary CN1105 Power SW CN1301) 27J5001 8P Connector AssyADX7382 (VR&PRE OUT CN5005

46、Power AMP(BR) CN4811) 28J5002 14P Connector AssyADX7381 (VR&PRE OUT CN5006 Power AMP(L) CN4801 and Power AMP(R) CN4802) 29BinderZCA-BK1 RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 10 2.5 HEAT SINK SECTION 3 1 14 15 8 15 15 12 12 12 18 10 10 11 11 10 10 10 10 19 16 17 17 17 17 13 13 16 16 16 19 4 5 6

47、14 12 18 7 9 12 12 15 15 15 2 Y V X Z W AG AH 20 20 21 21 RadioFans.CN 收音机爱 好者资料库 VSX-49TX, VSX-47TX 11 1POWER AMP (L) AssyAWX7882 2POWER AMP (R) AssyAWX7883 3POWER AMP (BR) AssyAWX7885 4POWER AMP (C) AssyAWX7884 5POWER AMP (G) AssyAWX7886 6POSISTER (L) AssyAWX7844 7POSISTER (R) AssyAWX7846 8Heat Sink LSee Contrast table (2) 9Heat Sink RSee Contrast table (2) 10Mica Sheet LAEE7045 11Mica Sheet MAEE7046 NSP12PCB Holder AANG7387 NSP13Heat Sink HolderANG7375 14ScrewABA1011 15Sc