Integra-DTR50_1-avr-sm 维修电路原理图.pdf
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1、DTR-50.1SERVICE MANUALSERVICE MANUALRC-746MAV RECEIVERBlack modelMODEL DTR-50.1(B)120V AC, 60Hz 220-240V AC, 50/60HzB MDDB MMARef. No. 4175Aug, 2009SAFETY-RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY MARK ON THESCHEMATIC DIAGRAM AND IN THE PARTS LIST ARECRITICAL FOR RISK OF FIRE AND ELECTRIC S
2、HOCK.REPLACE THESE COMPONENTS WITH ONKYOPARTS WHOSE PART NUMBERS APPEAR AS SHOWNIN THIS MANUAL.MAKE LEAKAGE-CURRENT OR RESISTANCEMEASUREMENTS TO DETERMINE THAT EXPOSEDPARTS ARE ACCEPTABLY INSULATED FROM THESUPPLY CIRCUIT BEFORE RETURNING THEAPPLIANCE TO THE CUSTOMER.RadioFans.CN 收音机爱 好者资料库SERVICE PR
3、OCEDURE-1DTR-50.11. Replacing the fuses This symbol located near the fuse indicates that thefuse used is show operating type, For continued protection againstfire hazard, replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le fusible util
4、ise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre.2. To initialize the unit1. Press and hold down VCR/DVR button, then press ON/STANDBY button when the unit is powered on.2. After Clear is displayed, the
5、 preset memory and each mode stored in the memory are initialized and will return to the factory settings, and turn to Standby mode.3. Safety check outREF NO.PART NAMEDESCRIPTIONPART NO.REMARKSF4000F4000 orF4001F4001 orF6901F6902F901F901 orD901F901 or FUSEFUSEFUSEFUSEFUSEFUSEFUSEFUSEFUSEFUSE4A-UL/T-
6、2334A-T/UL-ST24A-UL/T-2334A-T/UL-ST215A-TUL-250V15A-TUL-250V10A-UL/T-23310A-T/UL-ST25A-SE-EAK FUSE5A-SE-TL250V252325GR252257GR252325GR252257GR252303GR252303GR252330GR252333GR252078GR252278GR : DTR-50.1 North American model : DTR-50.1 Australian model !(U.S.A. model only)After correcting the original
7、 service problem, perform the following safety check before releasing the unit to the customer.Leakage current CheckMeasure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current tester between the earth ground and exposed metal parts of the unit (in
8、put/output ground terminals, screw heads or metal overlays etc.).Plug the power supply cord directly into a 120Vac 60Hz wall socket and turn ON/STANDBY button on.Any current measured must not exceed 0.5mA. This model uses a EE-PROM IC in order to retain radio presets and other settings. So, memory c
9、ontents will bekept eternally with no care.4. Memory BackupRadioFans.CN 收音机爱 好者资料库SERVICE PROCEDURE-2DTR-50.1When a power amplifier of certain channel is broken and goes into Protect mode, the following parts in the channelmust be replaced at the sametime, because these parts also get damage in most
10、 cases.BAAMP-0072 and BACLA-0087 are electrically and mechanically full-compatible with each other, but idling readjustment is necessary.The parts listed above include the following driver-stage components in each pcb. BAAMP-0072 and BACLA-0087 are also electrically and mechanically full-compatible
11、with each other, but idling readjustment is necessary.5. Replacing Power Amplifier Parts Front L chQ6000,Q6010Q6030,Q6040Q6100,Q6110Q6050,Q6060Q6070Q5000,Q5010Q5030,Q5040Q5050,Q5060Q5070Q6001,Q6011Q6031,Q6041Q6101,Q6111Q6051,Q6061Q6071Q5001,Q5010Q5031,Q5041Q5051,Q5061Q5071Q6002,Q6012Q6032,Q6042Q6052
12、,Q6062Q6082,Q6092Q6072Q5002,Q5012Q5032,Q5042Q5052,Q5062Q5072Q6003,Q6013Q6033,Q6043Q6053,Q6063Q6083,Q6093Q6073Q5003,Q5013Q5033,Q5043Q5053,Q5063Q8073Q6004,Q6014Q6034,Q6044Q6054,Q6064Q6084,Q6094Q6074Q5004,Q5014Q5034,Q5044Q5054,Q5064Q8074Q6005,Q6015Q6035,Q6045Q6055,Q6065Q6085,Q6095Q6075Q5005,Q5015Q5035,
13、Q5045Q5055,Q5065Q8075Q6006,Q6016Q6036,Q6046Q6056,Q6066Q6086,Q6096Q5096Q5006,Q5016Q5036,Q5046Q5056,Q5066Q8076Front R chCenter chSurround L chSurround R chSurround BackL chSurround BackR chDTR-50.1ADJUSTMENT PROCESUREADJUSTMENT OF IDLING CURRENT1) Setting R6040 to R6046 to minimum position before powe
14、r ON.2) Setting the voltage at P6080 to P6086 to 3mV by adjusting R6040 to R6046, under the condition of no input signal and no load, immediately after powr ON. J61297J60017J60177J6000J60167J60657J60527J60587J60477J600227J600317J60207J602512J603212J61287J613012J613130J601830J601930J600730J600830J600
15、930J601030J602212J60247J60277J60297J60317J60347J603612J603512J60337J60307J60287J60267J60237J602112J603730J603827J603925J604025J604125J606830J607130J607610J607712J607927J608325J60857J608610J608827J609325J609510J609612J609825J609925J61037J61047J611125J611227J611310J61147J612130J612230J612630J612730J60
16、42J604315J6045J604615J6049J605115J6056J605715J6061J606415J6067J606917J6070J607217J607330J607412J6078J608025J608130J608210J60877J608925J609027J609110J609225J6097J610130J610210J61057J610625J610710J610827J611625J61177J611830J611910J61237J612427J613212J601115J601215J600515J600615J601315J601410J610917J61
17、1010J609415J610027J60597J606227J606625J612022J612512J604425J604812J605325J605420J607530J60607J606325J611525J605025J605520J608430J601515C6020C6021C6022C6023C6024C6025C6026C6050C6051C6052C6053C6054C6055C6056C6701C6704C6706C6714C6901C6902C6912C6913C6915C6916D6901+AC-D6901AD6903+AC-E5507AE5509AF6901AF69
18、01BF6902AF6902BJL5514AJL6402BJL6600AJL6603AJL6606BJL6620AL6000L6001L6002L6003L6004L6005L6006L6010L6011L6012L6013L6014L6015L6016P5510AP5510CP6000BP6001BP6002BP6003BP6004BP6005BP6006BP6080P6081P6082P6083P6084P6085P6086P6900AP6900BP6901AP6901BP6902AP6902BP6950Q6000Q6001Q6002Q6003Q6004Q6005Q6006Q6010Q60
19、11Q6012Q6013Q6014Q6015Q6016Q6030Q6031Q6032Q6033Q6034Q6035Q6036Q6040Q6041Q6042Q6043Q6044Q6045Q6046Q6050BCEQ6051BCEQ6052BCEQ6053BCEQ6054BCEQ6055BCEQ6056BCEQ6060BCEQ6061BCEQ6062BCEQ6063BCEQ6064BCEQ6065BCEQ6066BCEQ6070Q6071Q6072Q6073Q6074Q6075Q6076Q6100Q6101Q6102Q6103Q6104Q6105Q6106Q6110Q6111Q6112Q6113Q
20、6114Q6115Q6116R6000R6001R6002R6003R6004R6005R6006R6010R6011R6012R6013R6014R6015R6016R6030R6031R6032R6033R6034R6035R6036R6040R6041R6042R6043R6044R6045R6046R6050R6051R6052R6053R6054R6055R6056R6070R6071R6072R6073R6074R6075R6076R6080R6081R6082R6083R6084R6085R6086R6090R6091R6092R6093R6094R6095R6096R6100R
21、6101R6102R6103R6104R6105R6106R6160R6161R6162R6163R6164R6165R6166R6170R6171R6172R6173R6174R6175R6176R6180R6181R6182R6183R6184R6185R6186R6197R6250R6251R6252R6253R6254R6255R6256R6260R6261R6262R6263R6264R6265R6266R6270R6271R6272R6273R6274R6275R6276R6280R6281R6282R6283R6284R6285R6286R6290R6291R6292R6293R
22、6294R6295R6296R6300R6301R6302R6303R6304R6305R6306R6310R6311R6312R6313R6314R6315R6316RL6901RL6902P6020BCAMP-007225140072BC6901C6902115A 250VF6902F6901BLKSBRID+SRID-RCLSLSBLGND_RNFRGND_NFRR_IN+B1R-B1R+BR-BRID+ID-ID-ID+ID+ID-ID-ID+BIASBIASBIASBIASBIASBIASBIASBLUEREDID+ID-ID-ID+Power amp. PC boardBAAMP-
23、0072L/C/RBelow 4mVBetween 4 6mVOver 6mVSL/SR/SBL/ABR4mVLeave just as it is.6mV4mVLeave just as it is.6mVDTR-50.1EXPLODED VIEWS-1A321U0061U0047P8641P3101F4001F901P103A191A193A185A171A111A115A189A179P7501JL4103A001A071A101A131A453A461A427A407A141A029A017A018A079A085A087A089T901A121A061A021A051A041A043
24、A207A603A605A607A225A339A049A351A353x 5 pcs.A033A337x 3 pcs.A007P691P693P4104U0010U0020U0011U0021U0022U0024U0041U0045U0042U0044U0043U0046U0040U0049U0048U005U011U0030U0031U0033U0032U0023U0014U0012U0013F901AF6901F6902F4000A611x 3 pcs.A613x 6 pcs.P500 x 15 pcs.A003x 4 pcs.A133x 2 pcs.A109x 2 pcs.A137x
25、2 pcs.A335x 2 pcs.A377x 3 pcs.A357A355A375x 3 pcs.A229x 2 pcs.A383x 3 pcs.A363x 18 pcs.A147x 7 pcs.A135A139x 4 pcs.A005x 4 pcs.A025x 3 pcs.A077x 8 pcs.A091x 4 pcs.A075x 6 pcs.A081x 2 pcs.A081x 2 pcs.A015x 4 pcs.A009x 4 pcs.A044x 2 pcs.A045x 4 pcs.A059x 2 pcs.A053x 2 pcs.A065x 4 pcs.A055x 2 pcs.A049x
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