Onkyo-TXNR905-avr-sm 电路图 维修手册.pdf
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1、TX-NR905/NA905 SERVICE MANUAL Ref. No. 3998 072007 AV RECEIVER MODEL TX-NR905 MODEL TX-NA905 TX-NR905 Black, Golden and Silver models 220-240V AC, 50Hz 220-240V AC, 50/60Hz B UMP, S UMP, B MMP, S MMP S UMT, G UMT, S MMT, G MMT TX-NA905 Golden models 220-240V AC, 50/60HzG UMR, G MMR RC-687M SAFETY-RE
2、LATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND 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 DETE
3、RMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. B UDC, S UDC, G UDT B MDC, S MDC, G MDT 120V AC, 60Hz STANDBY/ON MASTER VOLUME CDTUNERTAPECBL/SATGAME/TVAUX 1AUX 2VCR/DVRDVDAUDIO SELPURE AUDIOPHONONET/USBDISPLAY PUSH TO OPEN ST
4、ANDBY READY ZONE 2 ZONE 3 INPUT SELECTOR LISTENING MODE ONSTANDBY GNITUMYALPSID G U I D E E X I T PREV CH DIMMER SATTAPE/AMP SLEEP MACRO REMOTE MODE SUBTITLEAUDIOREPEATPLAY MODE -/-10 1112 VIDEO OFFOPEN/CLOSE TV TV CH TV VOL PLAYLISTRANDOM DVD AUX1AUX2GAME/TV CBL/SATVCR/DVR D. TUN CDTUNERTAPE PHONO
5、VCRVCRDVDDVDHDDHDD REC ENTER TEST TONE AUDIO SEL CH SEL SURR DIRECTTHXPURE A STEREO LEVEL+LEVEL- L NIGHT ALL ST T O P M E N U M E N U VOL CH DISC ALBUM TV VCR CABLE DVD RECEIVER CD + - 123ZONE3 ZONE2 INPUT + - +100CLEAR 123 456 789 S E T U P R E T U R N Re-EQ RC-687M CDR/MD/DOCK NET/USB NET/USB SP A
6、SP B RadioFans.CN 收音机爱 好者资料库 EXPLODED VIEWS-1 TX-NR905/NA905 TX-NR905/NA905 A070 x 4 pcs. P6800 x 18 pcs. P6800: A008 x 3 pcs. A008 x 3 pcs. A008 x 3 pcs. A032 x 2 pcs. A008 x 2 pcs. A008 x 15 pcs. A008 x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A402 x 6 pcs. A406 x 3 pcs. A142 x 2 pcs. A008
7、 x 5 pcs. A321 x 2 pcs. A257 x 2 pcs. A069 x 4 pcs. A075 x 3 pcs. A076 x 4 pcs. A112 x 55 pcs. A112 x 8 pcs. A112 x 2 pcs. A112 x 2 pcs. A112 x 7 pcs. A112 x 2 pcs. A112 x 4 pcs. A114 x 2 pcs. A113 x 3 pcs. A113 x 2 pcs. A094 x 2 pcs. A078 x 3 pcs. A066 A400 A022 A411 A410 A137 A137 A270 A086 A022 A
8、205 A219A239 A223 A008 A008 A221 A209 A211 A213 A215 A259 A311 A313 A315 P9008 P202 P204 A207 A217 A201 A261 A008 A253 A256 A251 A255 A301 A303 A281 A104 A100 U10 U15 A018 A110 A022 A022 A022 P2801 P7501 U33 U38 U41 U39 U34 U35 U36U40 A022 F2501 F2502 U14 U017 DT,MP,MT Type DT,MP,MT,NA905 Type DC Ty
9、pe U06 U09 Q4907 Q4908 U26 U30 U32 A120 U11 U13 U12 U42 U25 U28 U27 U07 U44 U08 U30 P102 P205 F9100 F9000 F9101 F9102 F9203 F9202 F9201 A116 A118 A024 A067 A106 A096 A092 A090 A098 A008 A105 A079 Refer to in EXPLODED VIEWS-2 P101 U43 A133 A008 A128 A124 A126 A420 A131 A130 A072 RadioFans.CN 收音机爱 好者资
10、料库 EXPLODED VIEWS-2 TX-NR905/NA905 TX-NR905/NA905 A001 U04 U05 A022 A021 A021 A055 A058 T902 T903 T904 A038 A062 A048 A022 Q6093 Q6083 Q6063 Q6053 Q6051 Q6081 Q6061 Q6091 Q6056 Q6066 Q6086 Q6096 Q6084 Q6094 Q6054 Q6064 Q6082 Q6092 Q6052 Q6062 Q6095 Q6085 Q6065 Q6055 Q6090 Q6080 Q6060 Q6050 A015 A001
11、 A022 A022 A022 A022 A022 A022 U37 A040 A049 F9301 P062 P061 A044 A014 A120 F6601 F6603 F6602 F6604 A005 x 4 pcs. A113 x 4 pcs. A011 x 2 pcs. A008 x 8 pcs. A008 x 3 pcs. A008 x 4 pcs. A008 x 3 pcs. A008 x 2 pcs. A025 A033 U03 U01 U18 U23 U21 U19 U20 U22 U24 U02 U16 U17 A008 x 7 pcs. A057 x 2 pcs. A0
12、42 x 4 pcs. A076 x 4 pcs. A004 A008 A046 x 4 pcs. A008 x 2 pcs. A008 x 2 pcs. A120 A120 A134 A134 A120 A008 x 2 pcs. A008 x 2 pcs. A008 x 6 pcs. A039 x 2 pcs. A008 x 2 pcs. Q6080A x 2 pcs. Q6050A x 2 pcs. A008 x 2 pcs. A008 x 2 pcs. A056 x 8 pcs. A056 x 4 pcs. A056 x 4 pcs. A056 x 2 pcs. A060 x 2 pc
13、s. A056 x 2 pcs. A005 x 4 pcs. A113 x 4 pcs. A009 x 12 pcs. A009 x 16 pcs. A064 RadioFans.CN 收音机爱 好者资料库 TX-NR905/NA905 BLOCK DIAGRAMS-1 AUDIO SECTION A 1 2 3 4 5 BCDEFGH SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL V_OUT_L V_OUT_R DAC_FR DAC FL MIX L MIX R DAC FR DAC_CT DAC_SW M
14、CH C DAC C MCH SW DAC SW MCH SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT CENTER SURR LEFT SURR RIGHT ZONE2 RIGHT VCR/DVR OUT TAPE OUT SURR BACK FRONT RIGHT FRONT LEFT - FRONT RIGHT(BTL) + - FRONT LEFT(BTL) + TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT MAIN,SUB IN
15、1-4 ch3 ch4 ch14 SURR BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS-232 TRANCEIVER RS-232 Q3031 ICL3221E RI RI Q7001 M3087BFKBGP MAIN MICROPROCESSOR INTERFACE IR OUT IR IR IN NAVD-9052 SD-6 NADG-9074 SD-9 12V TRIGGER OUT ZONE 2 12V TRIGGER CONTROL OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI RE
16、MOTE SENSOR SPEAKER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F NET BOARD NALAN-9121 SD-20 to 27 HDMI BOARD NAHDM-9114 SD-15 to 19 FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 +29dB +29dB +29dB +29dB +29dB +29dB +29dB ZONE2 LEFT SBR L FRONT SURR SURR BACK R SUBWOO
17、FER CENTER L R L R PRE OUT CD DC Type Only TUNER UNIT HD RADIO: DC Type only AM LOOP ANTENNA FM ANTENNA SW R L R L ZONE2 PREOUT/LINEOUT TONE Q4204 R2S15211FP Audio Selector, Volume, Tone 0dB FIX ZONE3 PREOUT/LINEOUT ADC -6dB -6dB Q3041 CS42516 MAIN B Z2 Z3 C2 RL FL FR C SW SL SR SBL SBR Q4305 NJU731
18、3A HEADPHONES (DVD audio,etc) Q4306 NJU7311A 0dB Video REC 0dB-6dB -6dB Q4405 CS3318 VIDEO IN AUX 2 AUX 1 Q4029 TC94A46CFG Analog Switch Array Analog Switch Analog Switch Analog Switch Volume ch13 ch12 ch11 ch10 ch9 ch8 ch2 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX NJU7313A ch7 ch6 ch5 Q4304 NJU7312A N
19、JU7312A 0dB FIX 0dB FIX 1 2 3 SETUP MIC 3 2 1 OPTICAL OUT COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR LR L R L R L R L R L R L R L R L R L R L R PCM1796 DAC PCM1796 DAC Q3701Q3721 Q3741Q3761 Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . DSP BLOCK SD-10, 11 I2S/
20、DSD MULTIPLEXER TC74VHC157FT Q3001 TC74VHC157FT Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29) for digital audio signal flow wave forms. +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC 2nd DSP Q3501 TMS320D788E001BRFP266 or TMS320D708E001BRF
21、P266 (SD-11) 1st DSP Q3401 TMS320D790E001BZDH275 or TMS320D710E001BZDH275 (SD-10) 3rd DSP Q3601 TMS320D707E001BRFP250 (SD-11) TX-NR905/NA905 BLOCK DIAGRAMS-2 VIDEO SECTION A 1 2 3 4 5 BCDEFGH CBL/SAT VCR/DVR AUX 1 DVD GAME/TV MONITOR OUT VCR/DVR OUT MONITOR OUT VCR/DVR OUT S VIDEO OUTPUT ZONE 2 OUT
22、AUX 2 (FRONT) CBL/SAT VCR/DVR AUX 1 DVD GAME/TV AUX 2 (FRONT) C YC YC YC YC YC Y COMPOSITE VIDEO COMPOSITE VIDEO CB1 CR1 Y2 CB2 CR2 CR3 Y3 CB3 Y1 IN 1 IN 2 IN 3 Y CB CR COMPONENT VIDEO C CB CR Y Y CB CR CVBS Y C HDBSC Y CVBS HDBPY HDBPB HDBPB 24MHz MAX S VIDEO INPUT COMPOSITE VIDEO COMPONENT VIDEO H
23、DMI BOARD (NAHDM-9114, SD-15 to 19) VIDEO BOARD (NAVD-9052, SD-6) CY CY HDBCV 12MHz MAX HDBSY MONITOR OUT C-DET MAIN MAIN Z2 Z2 NOTE MMP is short for MAIN MICROPROCESSOR. S-DET Z2 S-DET Q2027 NJU7312AM VCL VDATA VSTB Analog switch LPF(12MHz) LPF(12MHz) LPF(12MHz) LPF(6MHz) Y CB CR MAIN Z2 Q2201 NJW1
24、321 74HC4051 Analog Switch Video Switch Video Amp Video Amp Video Amp VMUT Q2012,Q2013 NJM2587 Q2012,Q2013 NJM2587 Q2014 MM1512 Y/C Mix BPF(140K-6MHz) LPF(6MHz) HDAPY HDAPB HDAPR HDACV HDASC HDASY Q2206 NJM2586A 100MHz -3dB LPF(12MHz) LPF(12MHz) LPF(6MHz) LPF(6MHz) LPF(12MHz) BPF(140K-6MHz) 6dBDRV D
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