Onkyo-TXNR-808-Service-Manual(1) 电路图 维修手册.pdf
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1、TX-NR808 SERVICE MANUALSERVICE MANUAL RC-771M AV RECEIVER Black and Silver models MODEL TX-NR808(B)/(S) Ref. No. 4208 062010 120V AC, 60Hz 220-240V AC, 50/60Hz 220-240V AC, 50/60Hz B MDC, B MDF B MMP, B MMA, B MMB, S MMP B MMR, B MMQ SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON
2、 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 DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM TH
3、E SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 TX-NR808 EXPLODED VIEWS-1 OVERALL F2001 F6902 F6901 F901 P103 P8002 P906 A285 P900 A283 A275 A251 A245 A281 A271 A141 P9008 A125 A135 A133 P061 P062 A161 A081 T901 A151 A154 A153 A247 A163 A045 A163 A050 A155 A0
4、49 A152 A149 A131 A701 A705 A153 A165 A067 A157 A703 A143 A143 P2101 U0030 U0065 U0040 U0034 U0031 U007 U0041 U011 U0050 U0029 U0011 U0024 Q6067 Q6057 Q6055 Q6050 Q6051 Q6056 Q6058 Q6054 Q6065 Q6060 D6901 Q6061 Q6066Q6068 Q6064 U0025 U0026 U0020 U0021 U0022 U0027 U0012 U0010 U0051 U0054 U0052 U0032
5、F901E F2000 A715 x 3 pcs. A717 x 6 pcs. A083 x 4 pcs.A171 x 9 pcs. A159 x 4 pcs. A179 x 4 pcs. A155 A167 x 5 pcs. A047 x 6 pcs. A051 x 6 pcs. Q6050A Q6060A Q6051A Q6061A A069 x 6 pcs. A077 x 20 pcs. A169 x 2 pcs. A061 x 6 pcs. A065 x 7 pcs. A160 x 3 pcs. A063 x 14 pcs. A071 x 2 pcs. A085 x 4 pcs. A1
6、29 x 2 pcs. A137 x 2 pcs. A127 x 2 pcs. A093 x 4 pcs. A121 x 3 pcs. A177 x 3 pcs. A119 x 4 pcs. A147 x 4 pcs. A147 x 4 pcs. A177 x 3 pcs. P6600A x 6 pcs. P6600A x 2 pcs. P6600A x 14 pcs. A273 x 2 pcs. A267 x 7 pcs. A269 x 2 pcs. A261 x 5 pcs. A255 x 12 pcs. A257 x 10 pcs. A259 x 8 pcs. A263 x 2 pcs.
7、 A181 x 7 pcs. Refer to EXPLODED VIEWS-2 A702 x 2 pcs. A155 A143 A435 L=10mm A046 x 2 pcs. A048 A072 A148 x 2 pcs. A087 L=40mm A089 L=3mm A089 L=40mm A435 L=15mm RadioFans.CN 收音机爱 好者资料库 TX-NR808 EXPLODED VIEWS-2 FRONT SECTION TX-NR808 A401 A403 A405 A401B A413 A437 A435 L=20mm A493 A475 3P+6FN A479
8、3P+6FN A469 A455 A485 A515 A517 A501 A433 A417 A421 A431 U0081 U00610 U0067 U0064 U0063 P7501 P8641 JL4103 P3101 U0061 U0060 U0062 U0068 A449 A419 A429 A409 A491 A411 x 2 pcs. A425 x 3 pcs. A423 x12 pcs. A427 x 2 pcs. A407 x 2 pcs. A447 x 3 pcs. A435 L=20mm A435 L=20mm A435 L=20mm A435 L=10mm A435 L
9、=10mm A477 A459 A457 A461 A463 A465 A467 P9008 U0069 A509 x 2 pcs. A507 x 2 pcs. A505 POWER SWITCH SECTION MMP, MMA, MMB, MMQ, MMR type U0066 A471 3P+6FN A439 3TTB+10B A439 3TTB+10B A441 3TTB+10B A445 3TTB+8B A445 3TTB+8B A445 3TTB+8B A443 3TTB+8B A443 3TTB+8B A451 A473 A453 x 2 pcs. - Bottom View -
10、 RadioFans.CN 收音机爱 好者资料库 SCHEMATIC DIAGRAMS - 1 BLOCK DIAGRAM AUDIO SECTION TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2 A 1 2 3 4 5 BCDEFGH 6 7 8 IJK 1 2 1 1 2 1 2 2 1 1 2 2 2 1 1 2 SUB1L SUB1R MAINL MAINR MAINL MAINR REC_L REC_R 13 14 15 17 SR(DAC) 16 C FL FR MAINL MAINR
11、 SRC SLC SBRC SBLC 22 20 23 19 24 18 10 8 11 7 12 6 2 100 3 99 4 98 SL SBL SR SBR R L L R L R Z2L Z2R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R SPRLF SPRLC SPRLSR SPRLFH SPRLSB C SR/Z3R SL/Z3L SBL/LH/LW(DAC) SBR/RH/RW(DAC) FL FR SPRLFW SBZ2MUT AMUTE H/PMUT PreSURMUT SWMUT SBL/Z
12、2L/Bi_L/LH SBR/Z2R/Bi_R/RH SWZ2TONE-L SPRLFH SPRLFW SPRLSB SPRLSR SPRLC SPRLF Z3L Z3R BiAmp BiAmp LW/LH/Z3 RW/RH/Z3 Z2TONE-R Z3L 54 Z3R 53 SL(DAC) 75 76 64 65 71 70 73 72 74 79 59 58 76 77 78 75 68 69 66 67 64 65 56 57 82 83 43 38 95 39 96 97 98 21 23 3 5 11 Z2-Mute PreSURMUT PreSBMUT 32 33 ADCL ADC
13、R 63 62 99 100 45 42 44 Z3-Mute Z2L Z2R Z2L Z2R 9 SR_Z3-Mute 87 86 15 17 60 61 47 46 TONE TONE HEADPHONES FRONT LEFT FRONT RIGHT CENTER LEFT RIGHT LEFT RIGHT LEFT SUR. BACK SUR. BACK SUB1 should be always ON. C R2A15220FP priority terminal TV/CD IN TUNER HDMI (FRONT) OUT MAIN (ARC) HDMI SW FL FR Ref
14、. GND RS232 RI C(DAC) ADCL ADCR SUB1L SUB1R SUB2L SUB2R Z2L Z2R Down mix : No use Tone : Use for Z3 SL(DAC) SR(DAC) SL SR SBL SBR FL(MIX) FR(MIX) SW(DAC) FL FR FR(DAC) inverted down mix -6dB 0/-6/-12/-18dB RIGHT TUNER PACK LEFT RIGHT +29dB +29dB +29dB +29dB +29dB SBL/Z2L/Bi_L/LH SBR/Z2R/Bi_R/RH SPEA
15、KER TERMINALS POWER AMPLIFIER N/AB IN OUT IN IR L R +29dB +29dB +29dB +29dB 0dB FIX 0dB FIX TONE TONE 0dB FIX 0dB FIX Z2L Z2L Z3R Z3L Z2R +20dB R L L R ZONE 2 except JJ ZONE 3 Except DHC-only 7chModel only 9chModel 0.5dB step/each VR inverted down mix -6dB Z3L Z3R UNIVERSAL PORT except onk JJ CN/A B
16、 A 12V TRIGGER OUT 0.5dB step/each VR except block Z2R OUT SUB DIGITAL IN OPTICAL IN1 (FRONT) OPTICAL IN2 COAXIAL 1 COAXIAL 2 COAXIAL 3 R L CENTER L R L L R L R ( for onk JJ ) omission MCH SW MCH SL MCH SR SBL(DAC)BiAMP SBR(DAC)BiAMP except708,NA808/1008 R2A15218 x1 x3 PC IN L R GAME IN L R CBL/SAT
17、IN L R VCR/DVR OUT L R VCR/DVR IN L R L R FL FR ( Mulch ch IN) C SL SR SBL SW SBR 708 Z2 route Z3 Pre Z2 Pre Wide/High Z2 TONE NET_L NET_R BD/DVD IN RX TX HDMI TX HDMI HDMI DIR 2ch ADC DR99dB under study I2S(DVD-AUDIO/DSD)x4 ATT ATT 2ch ADC Analog out NET +6dB LPFVLSC +6dB LPFVLSC W/HLW/HR only 9chM
18、odel LPF +6dB VLSC FL LPF +6dB VLSC FR +6dB LPFVLSC +6dB SWC LPFVLSC +6dB SL +6dB SR LPFVLSC LPFVLSC LPFVLSC +6dB LPFVLSC SBLSBR +6dB 2ch DAC PCM1789 PCM1690 8ch DAC 2nd DSP CS49834 FS0dB=4Vrms MCH C Z3 708:Z2 mirror Bi-AmpL or 708Z2L Bi-AmpR or 708Z2R SIRIUS_L SIRIUS_R PHONO (MM) L R PHONO EQ AUDIO
19、 IN (FRONT) L R SIRIUS SIRIUS for US R L L R PREOUT 9.2 or 7.2ch 1st DSP TMS320DA830 I2S(DVD-AUDIO/DSD)x4 MIC AMP ARC NewDIR/ADC SETUP MIC (FRONT) CS5361 DR114dB SURR SURR Front High/Z3 Front High/Z3 SL SR IN1-6 Front Wide/Z2 Front Wide/Z2 / Bi Amp / Bi Amp SBL SBR Z2 MAIN R from Micom RS232 INTERFA
20、CE INTERFACE RI REMOTE SENSOR IR CONTROL 12V TRIGGER ONK 708Z2 route 708Z2 route FL(DAC) net DAC CS1754 24bit FIX 24bit 37 43 43 91 91 42 90 90 39 93 38 92 95 41 41 40 94 35 97 44 96 45 36 34 34 + FRONT SURR SB FH/FW 9chmodel SUBWOOFER PRE OUT A IN INT ONKINT ZONE 2 ZONE 3 SCHEMATIC DIAGRAMS - 2 BLO
21、CK DIAGRAM VIDEO SECTION TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2 A 1 2 3 4 5 BCDEFGH 6 7 8 IJK DACSC DACPR DACSY DACV DACPB DACY ADCSC ADCY ADCPR ADCPB ADCSY ADCV A INH B A INH B DUAL/SINGLE BIAS1 BIAS2 YDETIN YDET SYDET VDET SYDETIN VDETIN MUTE SDA SCL YDETOUT SYDETO
22、UT VDETOUT TC74HC4052 Scanning Line P/I Aspect Ratio YOUT3 YOUT2 YIN4 YIN3 YIN2 YIN1 YOUT1 YYOUT NJW1325 PBOUT4 PBOUT2 PBOUT1 PBIN5 PBIN4 PBIN1 PB PBOUT3 SYOUT4 SYOUT3 SYOUT1 SYOUT PROUT1 SYIN2 SYIN1SY PRIN5 PRIN1 PRIN4 PRIN3 PRIN2 PR SYIN3 SYIN4 SYIN5 SYIN6 PROUT2 PROUT3 PROUT4 SYIN7 SCOUT1 SCOUT3
23、SCOUT4 VOUT VIN7 VIN6 VIN5 VIN4 VIN3 VIN2 VIN1 VOUT1 VOUT3 VOUT6 VOUT4 VOUT5 BIASI2C BUS PBIN2 PBIN3 SCIN1SC SCIN2 SCIN3 SCIN4 SCIN7 SCIN5 SCIN6 CPU BLOCK V V Detect YDetect SYDetect V IN1IN2IN3 DVD VCR/DVR CBL/SAT GAME/TV AUX1 (FRONT) COMPOSITE IN VCR/DVR GAME/TV CBL/SAT DVD MuitiMediaPort S-VIDEO
24、IN COMPONENT IN IN2IN1 D4 IN D4 OUT YOUT4 JJ ONLY YIN5 SYOUT2 SCOUT2 VOUT2 MONITOR ZONE 2 Y PB PR Y PB PR COMPONENT OUT S-VIDEO OUT MONITOR VCR/DVR COMPOSITE OUT MONITOR Universal port DTR-40.2/50.2,DHC-40.2 ZONE2 VCR/DVR DTR-40.2/50.2,DHC-40.2 DTR-50.2 only TX-NA708/NA808/NA1008 only 14 13 12 11 10
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