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    Jvc-RXDP-10-VBK-Service-Manual电路原理图.pdf

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    Jvc-RXDP-10-VBK-Service-Manual电路原理图.pdf

    SERVICE MANUALAUDIO/VIDEO CONTROL RECEIVERNo.21025Sep. 2001COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.RX-DP10VBKRX-DP10VSLRX-DP10RSLRX-DP10VBK/RX-DP10VSLRX-DP10RSLContentsSafety precautions -1-2Importance administering point on the safety - 1-4Disassembly method -1-5Adjustment method -1-14Description of major ICs -1-1637STANDBY/ONSTANDBYPHONESAUDIO/VIDEO CONTROL RECEIVERDIMMERCC CONVERTERMAIN ROOMON/OFFSUB ROOMON/OFFDOORUPDOOR DOWNMASTER VOLUMERX-DP10VDIGITALDIGITALSURROUNDS-VIDEO VIDEO LAUDIORVIDEOCHANNELTV/VIDEOMUTINGDVDON/OFF ON/OFFSTANDBY/ON STANDBY/ONSTANDBYTV/CATV/DBS VCR 1ONDVD MULTI CDCDRPHONOTAPE/MDAMANALOG/DIGITAL EFFECTROOM SIZESOUNDTESTLINE DIRECT CC CONVERTERSLEEP DIMMERFM MODEDSP THXSURROUNDRETURN 100+ON/OFF ON/OFFMODEWALLINPUTLIVENESSSETSETUPMENUADJUSTMENUDVDMENUEXITTEXTDISPLAY1234567/P 8910 +100TV VOL VOLUMETUNINGSTOP PAUSELIGHTFF/ REWRECPLAYDOWN UPRM-SRXDP10J REMOTE CONTROLA/V CONTROL RECEIVERVCR 1 VCR 2FMVIDEOTV/DBSSUB ROOMTRANSMITLEARNMAIN ROOMSUB ROOMMAIN ROOM SUB ROOM LEARNMAIN ROOMTVCATV/DBSArea suffixB - U.K.E - Continental EuropeEN - Northern EuropeArea suffixJ - U.S.A.RX-DP10VSLArea suffixC - CanadaRX-DP10VBKRX-DP10RSLModel RF remote unit Video SEP board ColorRX-DP10VSLRX-DP10VBK BlackSilverSilverRX-DP10RSLRX-DP10VBK/RX-DP10VSLRX-DP10RSL1-21. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturer's warranty and will further relieve the manufacture of responsibility for personal injury or property damage resulting therefrom.3. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards.4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling.5. Leakage current check (Electrical shock hazard testing)After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock.Do not use a line isolation transformer during this check.Plug the AC line cord directly into the AC outlet. Using a “Leakage Current Tester“, measure the leakage current from each exposed metal parts of the cabinet, particularly any exposed metal part having a return path to the chassis, to a known good earth ground. Any leakage current must not exceed 0.5mA AC (r.m.s.).Alternate check methodPlug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000 ohms per volt or more sensitivity in the following manner. Connect a 1,500 10W resistor paralleled by a 0.15 F AC-type capacitor between an exposed metal part and a known good earth ground.Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to each exposed metal part, particularly any exposed metal part having a return path to the chassis, and measure the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. Voltage measured any must not exceed 0.75 V AC (r.m.s.). This corresponds to 0.5 mA AC (r.m.s.). 1. This equipment has been designed and manufactured to meet international safety standards.2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained.3. Repairs must be made in accordance with the relevant safety standards.4. It is essential that safety critical components are replaced by approved parts.5. If mains voltage selector is provided, check setting for local voltage.Good earth groundPlace this probe on each exposedmetal part.AC VOLTMETER(Having 1000 ohms/volts,or more sensitivity)1500 10W0.15 F AC TYPE!Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the “ “ mark nearby are critical for safety. When replacing them, be sure to use the parts of the same type and rating as specified by the manufacturer. (Except the J furthermore the manufacturer cannot accept responsibility for personal injury or property damage resulting therefrom.3. Essential safety critical components are identified by ( ) on the Parts List and by shading on the schematics, and must never be replaced by parts other than those listed in the manual. Please note however that many electrical and mechanical parts in the product have special safety related characteristics. These characteristics are often not evident from visual inspection. Parts other than specified by the manufacturer may not have the same safety characteristics as the recommended replacement parts shown in the Parts List of the Service Manual and may create shock, fire, or other hazards.4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling.!Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.(U.K only)RX-DP10VBK/RX-DP10VSLRX-DP10RSL1-4Caution: For continued protection against risk offire, replace only with same type 1A/125V forF41, 2A/125V for F61, F62 and F42, 8A/ 125V for F21.This symbol specifies type of fast operating fuse.Precaution: Pour eviter risques de feux, remplacezle fusible de surete de et F41 comme le meme type que 1A/125V, et 2A/125V pour F61, F62 et F42, 8A/125V pour F21. Ce sont des fusibles suretes qui functionnes rapide.Importance administering point on the safety C21C22C23C24C25C26C27PW23PW21CN25B309PW22D21D22D23D24D25D26 D27B112FC25FC26Q21Q22 Q23R21R22R23R24R25RY21T21TA1 TA2B113 B114EP21J21FC24FC23B115PW24B108 B109B511B110B111B307EP22WR26FC22FC21C41C42C43C44C45C46C47C48C49C50C51C52C53C54C55C56CN41B116D41D42D43D44D45D52D47D48D49D50D51D46D53D55D56FC43 FC44Q41Q42Q50Q49Q45Q46Q47Q48WR44Q51Q52Q53Q54 R41R42R43R44R45R46R47R48R49R50R51R52R53T41TH41HS41HS42B118B117B119B308B204 B203R54R55Q55Q56B120TW41CN42CN43FC42 FC41C61C62C63C64C65C66C67C68C69C70C71C72C73C74CN64D61D62D63D64D65D66D67D68D69D70D71FC61 FC62FC63FC64Q61Q62Q63R61R62R63R64R65R66R67R68R69R70R71HS61HS62HS63CN63CN61EP61CN65Q64Q65Q66D72D73R72R73C75C76B306R74CN66CN67B130B2062A 125V2A 125V2A 125VLVA10215-A3LVA10215-A4LVA10215-A28A 125V1A 125VF41F42F21F61F62RX-DP10VBK/RX-DP10VSLRX-DP10RSL1-5Remove the eight screws A attaching the top cover on both sides of the body.Remove the three screws B on the back of the body.Remove the top cover from behind in the direction of the arrow while pulling both sides outward.1.2.3.Disassembly methodRemoving the top cover (See Fig.1)Prior to performing the following procedure, remove the top cover.Cut off the tie band fixing the harness.Disconnect the harness from the connector CN971, CN977, CN983 and CN985 on the system control board (see fig.5) and CN973 on the front AV in board (see Front panel assembly section/ fig.2).Remove the screws a and b, and remove each earth wires.Remove the three screws C attaching the front panel assembly.Remove the four screws D attaching the front panel assembly on the bottom of the body. Detach the front panel assembly toward the front.1.2.3.4.5.Removing the front panel assembly (See Fig.2 and 3)Removing the tuner unit & RF remote unit(See Fig.2 and 4)Prior to performing the following procedure, remove the top cover.Disconnect the card wire from the connector CN1 on the tuner unit.Remove the two screws E' attaching the tuner unit to the rear panel.Disconnect the harness from the connector CN1 on the RF remote unit.Remove the nut E'' attaching the RF remote unit to the rear panel.1.2.3.4.Note : RF remote unit is not in B/E/EN version.THE INTRODUCTORY NOTES in Figs :Gray parts do not correspond to B/E/ENversion.Fig.1Fig.2Fig.3Fig.4A 4A 4BTop coverCa(fixing theearth wire)b(fixing theearth wire)Tie band Harnessband Tuner unitRF remote unitCN1DEFEFF FFPower cord stopperCFront panel assemblyFront panelassemblyDRear panelEEE' E''E EECN1RX-DP10VBK/RX-DP10VSLRX-DP10RSL1-6Prior to performing the following procedure, remove the top cover and front panel assembly.Disconnect the card wires and harness from connector CN963, CN964 and CN981 on the system control board.Cut off the tie bands fixing the harnesses.Disconnect the harness from connector CN43 on the power supply 2 board and CN25 on the power/ fuse board.Disconnect the connector CN324 on the audio signal 2 board and CN205, CN234, CN208(J/C only) on the audio signal 1 board.Remove the three plastic rivet.1.2.3.4.5.Removing the system control board (See Fig.5 and 6)Prior to performing the following procedure, remove the top cover and the rear panel.Disconnect the connector CN631 on the DSP board.Disconnect the connector CN203 on the audio signal 1 board. Removing the two plastic rivet and disconnect the connector CN633 on the DSP board.1.2.3.Removing the DSP board(See Fig.6 and 7)Prior to performing the following procedure, remove the top cover and the rear panel.Removing the screw G attaching the shield cover.Shift the shield cover before, and pull upward.1.2.Removing the shield cover (See Fig.8)Prior to performing the following procedure, remove the top cover.Remove the power cord stopper from the rear panel by moving it in the direction of the arrow.Remove the thirty six (B/E/EN version is thirty two) screws E attaching the each boards to the rear panel on the back of the body.Remove the thirteen screws F attaching the rear panel on the back of the body and bottom.1.2.3.Removing the rear panel (See Fig.4)Fig.5Fig.6Fig.8CN324CN963CN981CN971CN977CN983CN964CN985CN25CN234CN205CN208(J/C only)CN43Fig.7Shield coverPower/ fuseboardPower supply 2 boardAudio signal 1 boardSystem control boardAudio signal 2 boardPlastic rivetPlastic rivetCN633CN631Plastic rivetPlastic rivetDSP boardCN203GTie bandTie bandTie bandTie bandTie bandRX-DP10VBK/RX-DP10VSLRX-DP10RSL1-7Prior to performing the following procedure, remove the top cover, the rear panel and the DSP board.Disconnect the harness from the connector CN224, CN207, CN218(J/C only) and CN223 on the audio signal 1 board.Removing the plastic rivet.Disconnect the connector CN206 and CN221 on the audio signal 1 board.Removing the audio signal 1 board(See Fig.9)1.2.3.Removing the audio signal 2 board & video board & s video board(See Fig.10 to 12)Prior to performing the following procedure, remove the top cover and the rear panel.Disconnect the harness from connector CN973 on the front AV in board (see Front panel assembly section/ fig.2).Cut off the tie band c.Disconnect the harness from connector CN324 on the audio signal 2 board.Disconnect the connector CN321 and CN325. While removing the claw of the connector CN15, pull out the audio signal 2 board.Cut off the tie band d.Disconnect the card wire from connector CN402 on the video board.Pull out the video board upward.Cut off the tie band e.Disconnect the card wire from connector CN432 on the s video board.Disconnect the connector CN431 on the s video board. While removing the claw of the connector CN8, pull out the s video board.1.2.3.4.5.6.7.8.9.10.CN221Fig.10Fig.11Video boardCN432CN431(connection to CN8)Tie band eTie band dWR433Fig.12Audio signal 2 boardCN325(connection to CN15)Audio signal 1 boardFig.9CN224CN223CN207CN218(J/C only)Plastic rivetCN321CN324WR322CN402CN401S video boardWR403CN206Tie band cRX-DP10VBK/RX-DP10VSLRX-DP10RSL1-8Prior to performing the following procedure, remove the top cover and rear panel.Attention : Cut off the tie band fixing the harnesses.Disconnect the harnesses from the connector CN741, CN742 and CN743 on the speaker board.1.2.Removing the input base board (See Fig.14)Prior to performing the following procedures, remove the top cover and the rear panel.Disconnect the connector CN501 on the video SEP board. While removing the claw of the connector CN9, pull out the video SEP board.Removing the video SEP board (See Fig.13)Prior to performing the following procedure, remove the top cover, rear panel, DSP board, audio signal 1 board, audio signal 2 board, video board, s video board and video SEP board.Cut off the tie bands fixing the harnesses.Disconnect the harnesses from the connector CN11, CN16 and CN17 on the input base board.Disconnect the harnesses from the connector CN63 on the power supply 1 board and CN42 on the power supply 2 board.Disconnect the harnesses from the connector CN 743 on the speaker board.Remove the seven screws H attaching the input base board.1.2.3.4.5.1.Removing the speaker board (See Fig.14)Removing the compu link board (See Fig.15)Prior to pe

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