Onkyo-PRSC-885-Service-Manual(1) 电路图 维修手册.pdf
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1、PR-SC885 SERVICE MANUAL Ref. No. 4020 082007 MODEL PR-SC885 PR-SC885 Black models 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 P
2、ART 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 RETURNING THE APPLIANCE TO THE CUSTOMER. B UDD, B MDD120V AC, 60Hz AV CONTROLLER INPUT SELECTOR LISTENING MODE ONSTANDBY
3、 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 AUX1AUX2GAME/TV CBL/SATVCR/DVR D. TUN CDTUNERTAPE PHONO VCRVCRDVDDVDHDDHDD S. RESTORE REC ENTER TEST TONE
4、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 U P R E T U R N Re-EQ STANDBY/ON MASTER VOLUME CDTUNERTAPECBL/SATGAME/TVAUX 1AUX 2VCR/DVRDVDAUDIO
5、 SELPURE AUDIOPHONODISPLAY PUSH TO OPEN STANDBY ZONE 2 ZONE 3 RadioFans.CN 收音机爱 好者资料库 PR-SC885 EXPLODED VIEW PR-SC885 A070 x 4 pcs. A139 x 4 pcs. A085 x 2 pcs. A170 x 2 pcs. A085 x 2 pcs. A114 x 6 pcs. A112 x 3 pcs. A085 x 2 pcs. A085 x 5 pcs. U12 P102 A108 x 6 pcs. A056 x 10 pcs. A068 x 4 pcs. A112
6、 x 4 pcs. A112 x 5 pcs. A120 x 4 pcs. A089 A114 x 2 pcs. A112 x 71 pcs. A094 x 2 pcs. A078 x 3 pcs. A076 x 2 pcs. A109 x 4 pcs. A066 A084 A084 A400 A089 A072 A411 F9000 A410 A086 A107 A087 A104 A090 A100 U05 A106 A110 P101 P2801 A089 A089 A087 F2501 F5000 F5001 F5002 F5003 F2502 U07 U27 U14 P205 U01
7、 U04 U16 U13 U15 A085 T905 T903 T904 A111 A132 A128 A067 U25 U06 U20 U26 U08 U10 U09 U02 U03 F9301 A116 A118A113 A092 A098 A096 A085 x 3 pcs. A085 x 2 pcs. A085 x 15 pcs. A085 x 2 pcs. A085 x 2 pcs. A142 x 2 pcs. A251 x 2 pcs. A112 x 8 pcs. A112 x 2 pcs. A112 x 2 pcs. A283 x 3 pcs. A137 A137 A270 A2
8、05 A219A239 A223 A085 A085 A221 A209 A211 A213 A215 A259 A311 A313 A207 A217 A201 A261 A085 A253 A251 A255 A301 A303 A281 P7501 U17 U21 U24 U22 U18 U19U23 A087 U017 RadioFans.CN 收音机爱 好者资料库 PR-SC885 BLOCK DIAGRAMS-1 AUDIO SECTION PR-SC885 A 1 2 3 4 5 BCDEFGH SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL
9、 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 VCR/DVR OUT TAPE OUT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT MAIN,SUB IN 1-4 ch6 ch4 ch13 OPTICAL I
10、N 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI C SBL HDMI I/F FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 SBR BALANCE PRE OUT BALANCE INPUT CD HD RADIO PC BOARD NARF-9118 SD-16 AM LOOP ANTENNA FM ANTENNA SW R L R L ZONE2 PRE OUT/LINE OUT TONE 0dB FIX ZONE3 PRE OUT/
11、LINE OUT ADC -6dB -6dB Q3041 CS42516 MAIN B Z2 Z3 C2 R L FL FR C SW SL SR SBL SBR FL BALANCE TERMINAL BOARD NATRM-9108(SD-18) FR C SW SL SR SBL SBR FRONT L FRONT R L R L R CENTER SW SURR L SURR R SURR BACK L SURR BACK R HEADPHONES (DVD audio,etc) 0dB 0dB-6dB -6dB Q4405 CS3318 VIDEO IN AUX 2 AUX 1 Q4
12、029 TC94A46CFG ch14 ch12 ch11 ch10 ch9 ch8 ch1 ch2 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX ch5 ch7 ch3 Q4304 NJU7312A 0dB FIX 0dB FIX SETUP MIC 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 Q3701Q3721Q3741Q3761Q
13、3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . I2S/DSD MULTIPLEXER TC74VHC157FT Q3001 TC74VHC157FT Refer to SCHEMATIC DIAGRAM-5 and -19 (SD-5 and SD-19) for digital audio signal flow waveforms. +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC
14、+6dB VLSC +6dB VLSC SW SW HDMI BOARD NAHDM-9114 SD-11 to 15 DSP BLOCK SD-6 and 7 2nd DSP Q3501: TMS320D788E001BRFP266 or TMS320D708E001BRFP266 (SD-11) 1st DSP Q3401: TMS320D790E001BZDH275 or TMS320D710E001BZDH275 (SD-10) 3rd DSP Q3601: TMS320D707E001BRFP250 (SD-11) RS232 RS232 Q3031 ICL3221E RIex RI
15、 INTERFACE IR OUT IR IR IN B IR IN A 12V TRIGGER OUT B 12V TRIGGER CONTROL REMOTE SENSOR 12V TRIGGER OUT A 12V TRIGGER OUT C INTERFACE MAIN MICROPROCESSOR Q7001 M3087BFKBGP NALAN-9079 SD-17 E-CONTROL BOARD ETHERNET (E-CONTROL) NAVD-9052 SD-3 NADG-9074 SD-5 L FRONT SURR SURR BACK R SUBWOOFER CENTER L
16、 R L R PRE OUT Q4204 R2S15211FP Q4306 NJU7311A Analog Switch Audio Selector, Volume, Tone Analog SwitchVolume Q4305 NJU7313A Video REC Analog Switch Q4305 NJU7313A Analog Switch Q4304 NJU7312A Analog Switch Analog Switch Array Analog Switch ArrayAnalog Switch ArrayAnalog Switch Array RadioFans.CN 收音
17、机爱 好者资料库 PR-SC885 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 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 MC
18、H_SW MCH_CT VCR/DVR OUT TAPE OUT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT MAIN,SUB IN 1-4 ch6 ch4 ch13 OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI C SBL HDMI I/F FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 SBR BALANCE PRE OUT BALANCE INPUT CD HD RADIO PC
19、 BOARD NARF-9118 SD-16 AM LOOP ANTENNA FM ANTENNA SW R L R L ZONE2 PRE OUT/LINE OUT TONE 0dB FIX ZONE3 PRE OUT/LINE OUT ADC -6dB -6dB Q3041 CS42516 MAIN B Z2 Z3 C2 R L FL FR C SW SL SR SBL SBR FL BALANCE TERMINAL BOARD NATRM-9108(SD-18) FR C SW SL SR SBL SBR FRONT L FRONT R L R L R CENTER SW SURR L
20、SURR R SURR BACK L SURR BACK R HEADPHONES (DVD audio,etc) 0dB 0dB-6dB -6dB Q4405 CS3318 VIDEO IN AUX 2 AUX 1 Q4029 TC94A46CFG ch14 ch12 ch11 ch10 ch9 ch8 ch1 ch2 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX ch5 ch7 ch3 Q4304 NJU7312A 0dB FIX 0dB FIX SETUP MIC OPTICAL OUT . COAX IN 3 MULTI CHANNEL INPUT FL
21、 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 Q3701Q3721Q3741Q3761Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . I2S/DSD MULTIPLEXER TC74VHC157FT Q3001 TC74VHC157FT Refer to SCHEMATIC DIAGRAM-5 and -19 (SD-5 and SD-19) for digita
22、l audio signal flow waveforms. +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC +6dB VLSC SW SW HDMI BOARD NAHDM-9114 SD-11 to 15 DSP BLOCK SD-6 and 7 2nd DSP Q3501: TMS320D788E001BRFP266 or TMS320D708E001BRFP266 (SD-11) 1st DSP Q3401: TMS320D790E001BZDH275 o
23、r TMS320D710E001BZDH275 (SD-10) 3rd DSP Q3601: TMS320D707E001BRFP250 (SD-11) RS232 RS232 Q3031 ICL3221E RIex RI INTERFACE IR OUT IR IR IN B IR IN A 12V TRIGGER OUT B 12V TRIGGER CONTROL REMOTE SENSOR 12V TRIGGER OUT A 12V TRIGGER OUT C INTERFACE MAIN MICROPROCESSOR Q7001 M3087BFKBGP NALAN-9079 SD-17
24、 E-CONTROL BOARD ETHERNET (E-CONTROL) NAVD-9052 SD-3 NADG-9074 SD-5 L FRONT SURR SURR BACK R SUBWOOFER CENTER L R L R PRE OUT Q4204 R2S15211FP Q4306 NJU7311A Analog Switch Audio Selector, Volume, Tone Analog SwitchVolume Q4305 NJU7313A Video REC Analog Switch Q4305 NJU7313A Analog Switch Q4304 NJU73
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