Onkyo-TXNR3008-avr-sm 电路图 维修手册.pdf
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1、TX-NR3008 SERVICE MANUALSERVICE MANUAL RC-773M AV RECEIVER Black and Silver models MODEL TX-NR3008(B)/(S) 120V AC, 60Hz 220-240V AC, 50/60Hz 220-240V AC, 50/60Hz B MDC B MMP, S MMP B MMR Ref. No. 4217 082010 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND
2、 IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RE
3、TURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 TX-NR3008 SERVICE PROCEDURE-1 ON/STANDBY Clear Stand-by VCR/DVR 1. Replacing the fuses 2. Safety check out (U.S.A. model only) After correcting the original service problem, perform the following safety check before releasing the unit to
4、 the customer. Leakage current Check Measure 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 (input/output ground terminals, screw heads or metal overlays etc.). Plug the powe
5、r supply cord directly into a 120Vac 60Hz wall socket and turn ON/STANDBY button on. Any current measured must not exceed 0.5mA. 3. Memory Backup This model uses a EE-PROM IC in order to retain radio presets and other settings. So, memory contents will be kept eternally with no care. 4. To initializ
6、e the unit 1. ON/STANDBY (Power On) 2. VCR/DVR + ON/STANDBY. Preset memory and each mode stored in the memory, are initialized and will return to the factory settings. This symbol located near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard,
7、 replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le fusible utilise 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. REF NO.PART NAMEDESCRI
8、PTIONPART NO.REMARKS F2001 F2001 or F2004 F2004 or F2005 F2005 or F6601 F6602 F6603 F6604 F9100 F9100 F9100 or F9301 F9301 or F9401 F9401 or F9402 F9402 or 4A-UL/T-233 4A-T/UL-ST2 1.25A-UL/T-233 1.25A-T/UL-ST2 1.25A-UL/T-233 1.25A-T/UL-ST2 20A-UL-250V 20A-UL-250V 20A-UL-250V 20A-UL-250V 12A-UL-ST6 6
9、.3A-SE-EAK 6.3A-SE-TL250V 3.15A-UL/T-233 3.15A-T/UL-ST2 3.15A-UL/T-233 3.15A-T/UL-ST2 3.15A-UL/T-233 3.15A-T/UL-ST2 252325GR 252257GR 252318GR 252251GR 252318GR 252251GR 252304GR 252304GR 252304GR 252304GR 252340GR 252079GR 252279GR 252323GR 252256GR 252323GR 252256GR 252323GR 252256GR !, !, !, !, !
10、, !, ! ! ! ! !, !, !, !, !, ! ! ! ! FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE : 120V,Canadian model : 230V,CE(European) country model : 220/230-240V,Chinese model RadioFans.CN 收音机爱 好者资料库 TX-NR3008 SERVICE PROCEDURE-2 Main: 1.03/10806AH DSP 1st/NET
11、: 1.02/10809AHA Video: 1.02/10806AR DSP 2nd: 1.00/10519AH2 VSP(Reon): 1.01/10624AEO Main: 1.03/10806AH TONE TONE TONE TONE TONE TONE DISPLAYON/STANDBY TONE TONE TONE TONE TONE TONE TONE TONE DSP 3rd: 1.03/10909BH3 VSP(Reon): 1.01/10624AEO TX-NR5008, NR3008, PR-SC5508 AEO DTR-70.2, DTR-80.2, DHC-80.2
12、 AEI 5. To check version of Microprocessor, DSP and Video FW(Firmware) 1. ON/STANDBY (Power On) 2. DISPLAY + ON/STANDBY. 3. TONE Tone - Forward TONE Tone - Reversed. 4. ON/STANDBY (Power Off). Main Microprocessor 1st DSP/NET (DA830) Video Microprocessor 2nd DSP VSP (Video Signal Processor) FW Versio
13、n displayed only for 3 seconds. e.g. TX-NR5008 : DTR-70.2/ 80.2, DHC-80.2 3rd DSP RadioFans.CN 收音机爱 好者资料库 TX-NR3008 EXPLODED VIEWS-1 OVERALL TX-NR3008 A139 x 2 pcs. A207 x 8 pcs. P6800 x 22 pcs. A379 MDC type : x 12 pcs. MMP, MMR type : x 11 pcs. A361 x 47 pcs. A555 x 6 pcs. A557 x 3 pcs. A208 x 8 p
14、cs. A195 x 5 pcs. A171 x 3 pcs. A181 x 3 pcs. A169 A167 A179 A185 A183 A175 A177 A173 A170 A165 x 3 pcs. A197 x 3 pcs. A163 x 4 pcs. A153 x 4 pcs. A155 x 4 pcs. A161 x 4 pcs. A137 x 4 pcs. A131 A133 A355 A187 A189 A191 A193 A056 L=10mm A056 L=50mm A551 A553 A561 MDC type only A387A389 A391 A393 A151
15、 A149 L=40mm A141 L=60mm Q9427 Q9429 F2001 F2004 F9100 U0073 U011 U0040 U0055 U0050 U0052 U0053 U0057 U0054 U0041 U0051 U008 U0072 U0071 U0075 U0070 P106 P4008 P4009 P4104 F9401 F9402 F2005 Q9430 Q9428 Refer to “EXPLODED VIEWS-2” Refer to “EXPLODED VIEWS-3” A186 A135 MMP, MMR type only A201 A203 A14
16、9 L=30mm A205 x 5 pcs. A149 L=10mm A056 L=15mm P9000 A385 x 2 pcs. P8002 U0058 TX-NR3008 EXPLODED VIEWS-2 POWER AMP. SECTION TX-NR3008 A005 x 4 pcs. A023 x 3 pcs. A011 x 2 pcs. A013 x 2 pcs. A037 x 4 pcs. A125 x 4 pcs. A071 x 4 pcs. A125 x 4 pcs. A081 x 4 pcs. A077 x 2 pcs. A075 x 3 pcs. A085 x 3 pc
17、s. A119 x 2 pcs. A119 x 2 pcs. A039 x 9 pcs. A061 x 4 pcs. A045 x 2 pcs. A051 x 23 pcs. A043 x 3 pcs. A057 x 3 pcs. A013 x 2 pcs. A007 x 4 pcs. A009 x 8 pcs. A009 x 10 pcs. A005 x 4 pcs. A019 x 8 pcs. A007 x 4 pcs. A031 x 4 pcs. A215 x 2 pcs. A233 x 2 pcs. Q6060A A001 A149 L=25mm A003 A055 A053 A069
18、 A073 A079 P061 P062 A067 A087 A083 A127 L=50mm A065 A041 A017 A025 A027 A021 A029 U0021 U0012 U0013 U0014 U0011 U0010 U0065 U0020 A211 x 2 pcs. A217 A213 A033 Q6050A Q6051A F6604 F6601 F6602 F6603 T904 T903 F9301 Q6065 Q6063 Q6055 Q6053 Q6057 Q6050 Q6067 Q6060 Q6061 Q6051 Q6058 Q6054 Q6056 Q6052 Q6
19、068 Q6064 Q6066 Q6062 Q6061A A121 x 2 pcs. A121 x 2 pcs. A149 L=25mm A064 A126 x 4 pcs. A126 x 4 pcs. A056 L=10mm A062 A141 L=40mm A141 L=40mm T901 A341 A117 x 4 pcs. U0030 U0033 U0037 U0034 U0038 U0032 U0036 U0031 U0035 A223 A221 A225 x 2 pcs. A231 x 2 pcs. A229 x 2 pcs. TX-NR3008 EXPLODED VIEWS-3
20、FRONT SECTION TX-NR3008 A401 A215 L=110mm A412 A423 A449 A501 A511 A515 A521 A502 A403 A056 A421 U0091 U00610 U0067 U0064 U0063 P7501 P8641 JL4103 P3101 U0061 U0060 U0062 U0068 A473 A407 A503 A409 x 2 pcs. A415 x 2 pcs. A419 x 16 pcs. A419 x 2 pcs. A419 x 2 pcs. A507 x 2 pcs. A425 A471 x 3 pcs. A427
21、 A056 L=30mm A056 L=30mm A056 L=20mm P9008 U0069 A485 x 2 pcs. A483 x 2 pcs. A481 U0066 A412 - Silver type only POWER SWITCH SECTION MMP, MMR type A435 A457 A439 A437 A441 A443 A445 A447 A431 A453 A433 x 2 pcs. A455 3P+6FN A459 3P+6FN A451 3P+6FNA479 3TTB+10B A477 3TTB+8B A477 3TTB+8B A477 3TTB+8B A
22、475 3TTB+8B A475 3TTB+8B - Bottom View - TX-NR3008/ 5008, TX-NA5008, DTR-70.2/ 80.2, PR-SC5508, DHC-80.2 SCHEMATIC DIAGRAMS-1 BLOCK DIAGRAM AUDIO SECTION TX-NR3008/ 5008, TX-NA5008, DTR-70.2/ 80.2, PR-SC5508, DHC-80.2 DAC C DAC FR MCH SL MCH SR DAC SR MIX R DAC SL MCH C Z4R Z4L MAIN L DAC FL MIX L M
23、AIN R MIX R DIRECT R MIX L DIRECT L DAC SW MCH SW DAC RH DIRECT DAC_RH DAC LH DAC_LH DIRECT MCH SBR DAC SBR MCH SBL DAC SBL AMUTE AMUTE FHZ2MUTE SRZ4MUTE SBZ3MUTE PRESW PREFH PRESB PRESR PREC PREF PLYPSVSW Z3MUTE Z2MUTE Z3 Z3 MCH_CT MCH_SW MCH_SL MCH_SR DAC_SR DAC_SL DAC_CT DAC_FR DAC_FL DAC SW2 DAC
24、_SW DAC_SBR DAC_SBL MCH_SBR MCH_SBL L L R R L R L L R R L R L R L L R R PHONO MM FRONT LEFT FRONT RIGHT CENTER SPEAKER TERMINALS HEADPHONES L R L R CD TUNER ( For only SA*) CBL/SAT IN VCR OUT VCR IN SBL FL/FR L R L R SL SR MC/MSW C SW FRONT OUT1 OUT2 OPT1 (FRONT IN) OPT2 HDMI MSL/MSR +29dB +29dB +29
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