Pioneer-VSXLX70-avr-sm 电路图 维修手册.pdf

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1、ORDER NO. PIONEER 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 Road, #04-01,

2、 Singapore 159936 PIONEER CORPORATION 2007 VSX-LX70 MASTER VOLUME STANDBY/ON INPUT SELECTOR PHASE CONTROL PHASE CONTROL AUTO SURR/ STREAM DIRECT MCACC POSITION ADVANCED MCACC DIGITAL VIDEO HDMISCALER DIGITAL PRECISION PROCESSING HOME THX STANDARD SURROUND ADVANCED SURROUND VSX-LX70 RRV3653 AUDIO/VID

3、EO MULTI-CHANNEL RECEIVER VSX-LX70 VSX-LX60 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). *:Alter the wiring of the power-supply block at the primary winding of Power transformer referring to the Line Voltage Selection described in this Service Manual (“11.18 TRANS1 and PRIMARY AS

4、SYS”). ModelTypePower Requirement The voltage can be converted by the following method. VSX-LX70HYXJ5AC 220 V to 230 VAC240V,* VSX-LX60HYXJ5AC 220 V to 230 VAC240V,* For details, refer to Important Check Points for good servicing. T-FZV AUG. 2007 printed in Japan RadioFans.CN 收音机爱 好者资料库 VSX-LX70 2 1

5、234 1234 C D F A B E 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, and have been trained to properly and safely repair complex products such a

6、s 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 and safely, you should not risk trying to do so and refer the repair to a qua

7、lified service technician. RadioFans.CN 收音机爱 好者资料库 VSX-LX70 3 5678 56 7 8 C D F A B E 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

8、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

9、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 w

10、hile 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

11、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

12、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 le

13、ad 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 c

14、onnection 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. P

15、lease 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

16、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

17、 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

18、if it is specified in this manual. RadioFans.CN 收音机爱 好者资料库 VSX-LX70 4 1234 1234 C D F A B E CONTENTS SAFETY INFORMATION. 2 1. SERVICE PRECAUTIONS. 6 1.1 NOTES ON SOLDERING. 6 2. SPECIFICATIONS. 7 2.1 ACCESSORIES. 7 2.2 SPECIFICATIONS . 8 2.3 PANEL FACILITIES. 9 3. BASIC ITEMS FOR SERVICE. 15 3.1 CHE

19、CK POINTS AFTER SERVICING. 15 3.2 PCB LOCATIONS. 16 3.3 JIGS LIST . 18 4. BLOCK DIAGRAM. 20 4.1 OVERALL WIRING DIAGRAM . 20 4.2 AUDIO BLOCK DIAGRAM. 22 4.3 COMPOSITE V BLOCK DIAGRAM. 24 4.4 S-VIDEO BLOCK DIAGRAM . 25 4.5 COMPONENT lights when the component is connected. 7 Listening mode buttons HOME

20、 THX Press to select a Home THX listening mode. STANDARD SURROUND Press for Standard decoding and to switch between the various Pro Logic IIx and Neo:6 options. ADVANCED SURROUND Use to switch between the various surround modes. 8 MASTER VOLUME dial 9 Front panel controls To access the front panel c

21、ontrols, push gently on the lower third portion of the panel with your finger. 10 SPEAKERS Use to change the speaker system. 11 AUDIO PARAMETER Use to access the Audio options. 12 VIDEO PARAMETER Use to access the Video options. 13 TUNER EDIT Use with to memorize and name stations for recall. 14 BAN

22、D Switches between AM and FM radio bands. 15 MULTI-ZONE 1.00mm FFC CONNECTOR) XKP* 1.25mm BOARD to BOARD TUC-P*X-B1 2.5mm BOARD to BOARD ANOTHER TYPE B to B SOCKET 1.25mm FFC CONNECTOR(I) 1.25mm FFC CONNECTOR(L) (*;1.00mm FFC CONNECTOR) 2.0mm CABLE HOLDER XKP* (*;1.5mm CABLE HOLDER) 1.25mm BOARD to

23、BOARD 2.0mm WIRE TRAP 2.5mm BOARD to BOARD KM200NA* TUC-P*-B1 PH CONNECTOR ANOTHER TYPE B to B CONNECTOR ANOTHER TYPE CODE SOCKET ANOTHER TYPE CODE CONNECTOR BOARD IN PF*PG-* CABLE WIRE (*;1.00mm FFC) 1.25mm FFC (*;1.5mm FLAT CABLE) 2.0mm FLAT CABLE *5 ! ! Y22 ADX7603- Y22 *7 ADX7606- Y23 4101 CN650

24、3 FU9 ! *5 4 2 CN3067 SHIELD CABLE 2 4 SECONDARY YRADNOCES 2 2 HDMI POWER ASSY (AWX8933) HDMI TRANS ASSY (AWX8939) HDMI DIODE ASSY (AWX8940) AUDIO & MULTI CH IN ASSY (AWX8927) PREOUT & CONTROL ASSY (AWX8889) SP/PS ASSY (VSX-LX70:AWX8910) (VSX-LX60:AWX8912) PRIMARY ASSY (AWX8895) TRANS SIDE ASSY (AWX

25、8921) VH TR ASSY (AWX8916) TRANS2-1 ASSY (AWX8914) DIODE ASSY (AWX8915) TRANS2-2 ASSY (AWX8891) HEAD PHONE ASSY (AWX8905) PRIMARY 57 TRANS1 ASSY Y14Y15 ! 4 ADX7604 ADX7491 HY HY REK1029 (T5AL/250V) REK1028 (T4AL/250V) REK1021 (T800mAL/250V) *6 VSX-LX70 VSX-LX60 REK1026 (T2.5AL/250V) ATT7104 FU1FU2 -

26、 ATS7403 FU4FU5,6FU7,8 6327:ADG7062 MODELAC CORDMAIN TRANS *3 HDMI TRANS *7 FU9 REK1024 (T1.6AL/250V) FU3 - 3066 G D Y U X VW A AG AH AL AI AA AE NOTES: When ordering service parts, be sure to refer to “EXPLODED VIEWS and PARTS LIST” or “PCB PARTS LIST”. The mark found on some component parts indica

27、tes the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. : The power supply is shown with the marked box. VSX-LX70 22 1234 1234 C D F A B E 4.2 AUDIO BLOCK DIAGRAM Analog DigitalVSX-LX70 Only DSDJA701 JA3501 JA1101 JA1102 JA1103 V

28、SX-LX70 Only JA1104 JA205 JA204 JA203 JA202 JA3452 DIGITAL OUT 1 DIGITAL OUT 2 JA6301 JA6301 CN6307 CN6307 CN6307Audio L,R CN6308 CN6309 JA6206 CN6207 JA6206 CN6205 JA2804 JA2932 JA3451 CN6208 CN6209 CN6209 CN6208 JA201 DVD/LD TV SAT VIDEO 1 VIDEO 2(Front Input) DVR/VCR 1 DVR/VCR 2 MULTI CH IN (L,R)

29、 USB HDMI IN 1 Network IC6301 Analog SELECTOR HDMI IN 2 HDMI IN 3 HDMI IN 4 IC101 HDMI Receiver IC701 Media Network Processor MULTI CH IN (SL,SR) MULTI CH IN (SBL,SBR) MULTI CH IN (C,SW) DIGITAL IN (COAX 1) DIGITAL IN (COAX 2) DIGITAL IN (OPT 1) DIGITAL IN (OPT 2) DIGITAL IN (OPT 3) DIGITAL IN (OPT

30、4) IC303 DIR & DIT 96k/24bit 9in to 3out DIGITAL IN (FRONT OPT) IC305 SELECTOR DIR or XM IC301 SELECTOR Main/Zone IC471 A/D 192k/24bit IC2630 SubWoofer DownMix CD CD-R/TAPE/MD TUNER PHONO iPod Sirius MIC IC310 SELECTOR DSP IC101 DSP1 DECODER POST PROCESSING Floating 32bit REC OUT IC312 SELECTOR DIRE

31、CT IC2631,2635 CENTER DownMix IC6201 Analog SELECTOR FL:FR FL:FR C MR IN IC201 SELECTOR DSD or I2S IC302 SELECTOR Main/Zone IC309 SELECTOR DIR/XM or HDMI IC1051 HDMI SELECTOR IC1151 HDMI SELECTOR IC861 EATHER PHY C:SW VSX-LX60 Only JA3501 USB IC701 USB MEDIA CONTROL L L L B A L K K L L L M L AJ AJAK

32、AJAK AJAK AJ AJ VSX-LX70 23 5678 56 7 8 C D F A B E JA301 VSX-LX70 Only JA306 JA307 CN3551 IC2501 IC2525CN4001 IC2551 IC2575CN4002 JA6301 CN6308 CN6309 CN6207 JA2805 JA2806 IC851 DAC 192kHz/24bit IC751 DAC 192kHz/24bit DVR/VCR 1 OUT DVR/VCR 2 OUT CD-R/TAPE/MD OUT Multi Room OUT Pre OUT(L) Pre OUT(SL

33、) Pre OUT(SBL) Pre OUT(C,SW) DIGITAL OUT (OPT 2) DIGITAL OUT (OPT 1) SPEAKERS SPEAKERS(SB) HEAD PHONEHEAD PHONE FL/FR C/SW SL/SR SBL/SBR FL/FR CENTER SL/SR SBL/SBR (Flexible) Multi-Room & Source IC201 DSP2 ADVANCED MCACC POST PROCESSING 24bit or 48bit (Double Precision) IC314 SELECTOR DSP DIRECT IC6

34、51 DAC 192kHz/24bit IC551 DAC 192kHz/24bit IC852 LPF IC752 LPF IC652 LPF IC552 LPF HDMI OUT IC301 HDMI TRANSMITTER IC2636 11 selector & VOL control into 6dB ATT for DSP Multich selector MR selector SBch Processing IC2637 E-VOL for MR SBL:SBR SL:SR C:SW C,SW SBL:SBR SL:SR IC315 SELECTOR DSD DIRECT IC

35、316,317 Lip Sync K KR D X B Q K L L L L L L L L L L L M AJAK AE VSX-LX70 24 1234 1234 C D F A B E 4.3 COMPOSITE V BLOCK DIAGRAM D1D2 3 4 10 11 13 1 9 11 10 9 15 13 14 12 4 2 3 12 5 15 14 4 11 10 1 139 5 2 3 1 17 11 15 10 11 9 7 14 13 12 4 1 3 1 4 21 25 31 35 33 2 3 5 12 15 14 5 2 1423 DVR/VCR 1 DVR/

36、VCR 2 VIDEO/GAME 1 TV BDP DVD/LD iPOD VIDEO 6dB AMP Composite MUTE MUTE MUTE ZONE2 OUT DVR/VCR 2 REC OUT REC OUT DVR/VCR 1 MUTE MONITOR OUT VIDEO/GAME 2 from DVCto DVC (FRONT VIDEO) 12 CN2001 OSD IC (PDC162A) MRA MRB MRC V52A V52B TC74HC4052AFT TC74HC4051AFT IC2002 VSW2 VSW1 VSW3 NC IC2004 SWB SWA T

37、C74HC4052AFT TC74HC4051AFT IC2001 IC2003 LA7109 AND LOGICAND LOGIC IC1004 Buffer 16 CN2002 19 CN2001 17 Z2MUTE1MUTE1Z2MUTEV1MMUTE MAIN u-COMHDMI u-COM V2M I VSX-LX70 25 5678 56 7 8 C D F A B E 4.4 S-VIDEO BLOCK DIAGRAM D3 DVR/VCR 2 DVR/VCR 1 IN1 IN2 6dB AMP MUTE MUTE MUTE MUTE REC OUT REC OUT DVR/VC

38、R 2 DVR/VCR 1 OUT MONITOR VIDEO/GAME 2 to DVCfrom DVC SMRA SMRB SMRC Y C Y C Y C C Y TC74HC4051AFT SMRA IC2206 SMRB SMRC TC74HC4051AFT SSW1 SSW3 IC2205 SSW2 TC74HC4051AFT IC2202 S52B S52A C C Y Y SSW1 SSW2 SSW3 Y C S-DET IC2203 TC74HC4052AFT C LA7109 IC2204 Y C C Y Y C Y (FRONT) Y C 6 8 IC2201 TC74H

39、C4051AFT CN2202 Buffer Buffer AND LOGIC 3 CN2201 1 VMUTE1 75 MAIN u-COM VMUTE HDMI u-COM R2MTR1MT 13 11 10 1 12 9 4 3 5 2 15 14 11 4 13 9 10 14 5 15 3 2 1 12 11 10 9 13 12 1 4 2 3 5 15 14 12 15 14 9 10 13 1721 334 351 731 11 13 12 10 9 4 1 2 3 5 15 14 11 4 5 2 3 1 2314 2511 J VSX-LX70 26 1234 1234 C

40、 D F A B E 4.5 COMPONENT & VOL BLOCK DIAGRAM IC2410 5 1 12 4 2 9 10 13 15 11 14 3 4 5 9 10 2 11 12 1 3 13 11 10 3 9 5 45 7 9 1 2 15 13 14 12 1 3 13 11 14 15 IN3 COMPONENT Cb Cr Cr Y COMPONENT IN2 Y Cb COMPONENT IN1 Cr Cb 6dB AMP OUT COMPONENT Y Cr Cb Y COMPONENT BLOCK to DVCfrom DVC CSW1 CSW2 Cr Cb

41、IC2402 TC74LVX4052FT CSW2 CSW1 C-DET C53B IC2405 NJM2581M TC74LVX4052FT Y Buffer IC2401 Buffer 3157911 IC2404 TC74LVX4053FT AND LOGIC CN2403 VMUTE1 MAIN u-COM VMUTE HDMI u-COM K VSX-LX70 27 5678 56 7 8 C D F A B E 4.6 DSP BLOCK DIAGRAM FLASH ROM 4Mbit IC202 16bit DATA BUS 18bit ADDRESS BUS RSTSPI AN

42、ALOG IN NETWORK USB DSP (DECODER) SHARC EX ADSP-21366KBCZ-1AA IC101 FLASH ROM 16Mbit IC164 FLASH ROM 1Mbit IC271 SRAM 4Mbit IC171 DIGITAL ADC AK5359ET IC471 DIR & DIT AK4114VQ IC303 DAUX I2S RST SELECTOR TC74LCX157FTS1 IC307 HDMI SELECTOR & BUFFER TC74LCX157FTS1 IC306 IC309 TC74VHC08FTS1 IC310 I IC3

43、12 CN303 (1/2) CN401 (1/2)DSP (PPP) FREESCALE DSPC56371AF180-K IC201 BUFFER TC74VHC08FTS1 IC112 LIPSYNC ML87V5002 IC316 IC317 DAC DSD1791DBR IC551(FL,FR) IC651(C,SW) IC751(SL,SR) IC851(SBL,SBR) DAC AK4387ET IC901 (ZONEL,ZONER) VSX-LX70 ONLY CN402 (1/2) CN304 (1/2) CN402(2/2) CN304(2/2) CN991 SELECTOR TC74LCX157FTS1 IC313 IC314 IC315 CN3