Onkyo-TXSR-805-Service-Manual(1) 电路图 维修手册.pdf
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1、TX-SR805/SA805 SERVICE MANUAL Ref. No. 3994 052007 AV RECEIVER MODEL TX-SR805 MODEL TX-SA805 TX-SR805 Black, Golden and Silver models 220-240V AC, 50Hz 220-240V AC, 50/60Hz B UMP, S UMP, B MMP, S MMP B MMA, S MMA, B MMA, S MMA G UMK, G UMQ, G UMT G MMK, G MMQ, G MMT TX-SA805 Golden models 220-240V A
2、C, 50/60HzG UMR, G MMR RC-690M SAFETY-RELATED 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-CU
3、RRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. B UDC, S UDC, B MDC, S MDC G UDT, G MDT 120V AC, 60Hz STANDBY/ON MASTER VOLUME CDTUNERTAPECBL/SATGAME/TVAUX 1AUX 2VCR/DVRDVDAUDIO SELPURE
4、AUDIOPHONODISPLAY PUSH TO OPEN STANDBY READY ZONE 2 ZONE 3 INPUT SELECTOR LISTENING MODE ONSTANDBY GNITUMYALPSID RC-690M G U I D E E X I T PREV CH DIMMER CDR/MD SATTAPE/AMP SLEEP MACRO REMOTE MODE SUBTITLEAUDIOREPEATPLAY MODE -/-10 1112 VIDEO OFFOPEN/CLOSE TV TV CH TV VOL PLAYLISTRANDOM DVD AUX1AUX2
5、GAME/TV CBL/SATVCR/DVR D. TUN CDTUNERTAPE PHONO VCRVCRDVDDVDHDDHDD S. RESTORE 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 CABLEDOCK DVD RECEIVER CD + - 123ZONE3 ZONE2 INPUT + - +100CLEAR 123 456 789 S E T
6、 U P R E T U R N Re-EQ RadioFans.CN 收音机爱 好者资料库 EXPLODED VIEWS-1 TX-SR805/SA805 TX-SR805/SA805 A070 x 4 pcs. A013 x 3 pcs. A013 x 3 pcs. A112 x 2 pcs. A112 x 8 pcs. A013 x 2 pcs. A013 x 3 pcs. A402 A404 x 6 pcs. A406 A112 x 3 pcs. . A285 x 3 pcs. A013 x 2 pcs. A013 x 2 pcs. A013 x 15 pcs. A013 x 2 pc
7、s. A013 A013 x 2 pcs. A135 x 2 pcs. A013 x 5 pcs. A068 x 4 pcs. A112 x 4 pcs. A075 x 3 pcs. A112 x 2 pcs. A082 x 5 pcs. A076 x 4 pcs. A112 x 51 pcs. A114 x 2 pcs. A094 x 2 pcs. A078 x 3 pcs. A066 A400 A412 A411 A410 A137 A086 A205 A219A239 A223 A013 A013 A221 A209 A211 A213 A215 A259 A311 A313 A207
8、A217 A201 A261 A253 A251 A255 A301 A303 A281 A104 A090 A100 A098 A106 A105 A110 P101 P2801 P102 P7501 A270 U33 U38 U41 U39 U34 U36 U40 A119 F2501 F2502 U14 U017 U06 U09 U10 U26 U31 U32 A135 U11 U13 U12 U42 U25 U30 U28 U27 U07 U08 F9100 F9000 F9101 F9102 A113 A116 A118 A092 A096 A139 A139 Refer to in
9、 EXPLODED VIEWS-2 A402, A406: Silver or Golden model A112, A404: Black model RadioFans.CN 收音机爱 好者资料库 EXPLODED VIEWS-2 TX-SR805/SA805 TX-SR805/SA805 A001 U04 U05 T901 A003 A021 A021 A058 A062 A048 A003 Q6093 Q6083 Q6063 Q6053 Q6051 Q6081 Q6061 Q6091 Q6056 Q6066 Q6086 Q6096 Q6084 Q6094 Q6054 Q6064 Q60
10、82 Q6092 Q6052 Q6062 Q6095 Q6085 Q6065 Q6055 Q6090 Q6080 Q6060 Q6050 A015 A001 A022 A022 A021 U37 A040 A049 F9301 P062 P061 A044 A014 A120 F6601 F6603 F6602 F6604 A120 A005 x 4 pcs. A007 x 4 pcs. A011 x 2 pcs. A013 x 8 pcs. A013 x 4 pcs. A013 x 3 pcs. A013 x 2 pcs. A025 U03 U01 U18 U23 U21 U19 U24 U
11、20 U22 U02 U16 U17 A013 x 7 pcs. A060 x 2 pcs. A042 x 4 pcs. A090 x 4 pcs. A018 A018 A013 A046 x 4 pcs. A056 x 4 pcs. A013 x 2 pcs. A120 A120 A064 A013 x 2 pcs. A013 x 6 pcs. A013 x 2 pcs. Q6080A x 2 pcs. Q6050A x 2 pcs. A013 x 2 pcs. A005 x 4 pcs. A007 x 4 pcs. A009 x 12 pcs. A009 x 16 pcs. RadioFa
12、ns.CN 收音机爱 好者资料库 TX-SR805/SA805 BLOCK DIAGRAM-1 AUDIO SECTION TX-SR805/SA805 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 MCH C DAC C MCH SW DAC SW MCH SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_
13、SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT CENTER SURR LEFT SURR RIGHT ZONE2 RIGHT VCR/DVR OUT TAPE OUT SUUR BACK FRONT RIGHT FRONT LEFT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT IN 4 IN 1 IN 2 IN 3 SUUR BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS-232C INTERFACE RS-232 Q7001 M3087BFKBGP RI RI MAIN MICROPROCES
14、SOR INTERFACE IR OUT IR IR IN 12V TRIGGER OUT /ZONE 2 12V TRIGGER CONTROL OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI REMOTE SENSOR SPEAKER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 +29dB +29dB +29dB +29d
15、B +29dB +29dB +29dB ZONE2 LEFT SBR L FRONT SURR SURR BACK R SUBWOOFER CENTER L R L R PRE OUT CD (TX-SA805 Only) TUNER (DC Type Only) TUNER UNIT TX-SR805 Only AM ANTENNA FM ANTENNA SW R L R L ZONE2 PREOUT/LINEOUT TONE R2S15211FP Q4204 0dB FIX ZONE3 PREOUT/LINEOUT ADC -6dB -6dB CS42516 Q3041 MAIN B Z2
16、 Z3 C2 RL FL FR C SW SL SR SBL SBR Q4305 NJU7313A HEADPHONES (DVD audio,etc) NJU7311A Q4306 0dB video REC 0dB-6dB -6dB CS3318 VIDEO IN AUX 2 AUX 1 TC94A46CFG Q4029 Analog Switch Array ch12 ch11 ch10 ch9 ch8 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX NJU7313A Q4305 NJU7312A Q4304Q4405 NJU7312A 0dB FIX 0d
17、B 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 L R LR L R L R L R L R L R L R L R L R L R L R PCM1796 DAC Q3701Q3721Q3741 Q3761 Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . 2nd DSP Q3501 TMS320D788
18、E001BRFP266 DSP BLOCK 1st DSP Q3401 TMS320D790E001BZDH275 3rd DSP Q3601 TMS320D707E001BRFP250 I2S/DSD MULTIPLEXER TC74VHC157FT TC74VHC157FT Q3001 Refer to SCHEMATIC DIAGRAM-9 and -17 (SD-9 and SD-17) for digital audio signal flow wave forms. ch6 ch4 ch13 ch14 ch1 ch2 ch5 ch7 ch3 TX-SR805/SA805 BLOCK
19、 DIAGRAM-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 MCH 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
20、LEFT SURR RIGHT ZONE2 RIGHT VCR/DVR OUT TAPE OUT SUUR BACK FRONT RIGHT FRONT LEFT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT IN 4 IN 1 IN 2 IN 3 SUUR BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS-232C INTERFACE RS-232 Q7001 M3087BFKBGP RI RI MAIN MICROPROCESSOR INTERFACE IR OUT IR IR IN 12V TRIGGER OUT /ZONE
21、2 12V TRIGGER CONTROL OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI REMOTE SENSOR SPEAKER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F 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
22、 BACK R SUBWOOFER CENTER L R L R PRE OUT CD (TX-SA805 Only) TUNER (DC Type Only) TUNER UNIT TX-SR805 Only AM ANTENNA FM ANTENNA SW R L R L ZONE2 PREOUT/LINEOUT TONE R2S15211FP Q4204 0dB FIX ZONE3 PREOUT/LINEOUT ADC -6dB -6dB CS42516 Q3041 MAIN B Z2 Z3 C2 RL FL FR C SW SL SR SBL SBR Q4305 NJU7313A HE
23、ADPHONES (DVD audio,etc) NJU7311A Q4306 0dB video REC 0dB-6dB -6dB CS3318 VIDEO IN AUX 2 AUX 1 TC94A46CFG Q4029 Analog Switch Array ch12 ch11 ch10 ch9 ch8 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX NJU7313A Q4305 NJU7312A Q4304Q4405 NJU7312A 0dB FIX 0dB FIX . . . . . . 1 2 3 SETUP MIC 3 2 1 OPTICAL OUT
24、. COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR L R LR L R L R L R L R L R L R L R L R L R L R PCM1796 DAC Q3701Q3721Q3741 Q3761 Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . 2nd DSP Q3501 TMS320D788E001BRFP266 DSP BLOCK 1st DSP Q3401 TMS320D790E001BZ
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