Onkyo-TX-8020-Service-Manual(1) 电路图 维修手册.pdf

《Onkyo-TX-8020-Service-Manual(1) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Onkyo-TX-8020-Service-Manual(1) 电路图 维修手册.pdf（19页珍藏版）》请在收音机爱好者资料库上搜索。

1、TX-8020 RC-875S Features 50 Watts/Channel 8 (FTC) (For North American Model) 90 Watts/Channel 6 (IEC) (For European Model) WRAT (Wide Range Amplifier Technology) Discrete Amplifier Output Stage Circuitry Massive EI Transformer High-Current, Low-Impedance Drive Direct Mode 5 Analog Audio Inputs and 1

2、 Output 3 Digital Audio Inputs (1 Optical, 2 Coaxial) (European Model only) Phono Input for Turntable Connection Independent Bass, Treble, and Balance Controls Subwoofer Pre-Out Speaker A/B Terminals Remote Interactive (RI) Input for Integrated Control of Compatible Onkyo Components Headphone Jack 4

3、0 FM/AM Random Presets Preset Station Naming (Up to 8 Characters) RDS (PS/PTY/RT) (European Model only) 3-Mode Display Dimmer (Normal/Dim/Dimmer) Sleep Timer (via Remote) Battery-Free Memory Back-up Full-Sized, Full-Function RI Remote Control STEREO RECEIVER Black and Silver models MODEL TX-8020(B)/

4、(S) Ref. No. 4449 082013 120V AC, 60Hz 230V AC, 50Hz B MDC B MPP, S MPP RadioFans.CN 收音机爱 好者资料库 TX-8020 EXPLODED VIEWS-1 OVERALL Q6050Q6053Q6060Q6063 A003 x 4 pcs. A004 x 4 pcs. A101 A102 A201 A202 A203 A204 A211 A213 A214 A220 A321 A340 A401 T901 F6401 F6402 F901 F901E P403 P701 P901 U0010 U0011 U0

5、012 U0013 U0014 U0020 U0030 U0031 U0034 U0035 U0036 U0040 U0050 A212 A212 A212 A214 A421 x 8 pcs. U0030 = DISPLAY BOARD AS(BADIS-1435) + INPUT/BASS BOARD AS(BAETC-1446) + TREBLE BALANCE BOARD AS(BAETC-1442) BADIS-1435, BAETC-1442 and BAETC-1446 are connected by a jumper lead. Please use the 3TTB+8B(

6、BC) is screwed to the place that is not specified. SCREW 4TTC+8C(3BC)SR x 4 pcs. SCREW 3SMS6W.SW+14B(CU) x 4 pcs. SCREW 3TTB+8B(3CM)SR SCREW 3TTB+8B(3CM)SR Black Model 3TTB+8B(3BC) x 9 pcs. Silver Model 3TTB+8B(3CM)SR x 9 pcs. Rear Panel Heatsink SCREW 2.6TTB+8B(3BC) x 19 pcs. Refer to Fig-1 Fig-1 D

7、IS-1435 ETC-1442 ETC-1446 RadioFans.CN 收音机爱 好者资料库 TX-8020 EXPLODED VIEWS-2 EXPLODED VIEW PARTS LIST U0010AMP(ASP) PC BOARD ASBAAF-1472-1B11B2935472-1B U0011TERMINAL(TRANS) PC BOARD ASBAETC-1475-1B11B2935475-1B U0012THERMAL SENSOR PC BOARD ASBAETC-1477-1B11B2935477-1B U0013FIX(SENSOR) PC BOARD ASBAET

8、C-1478-1B11B2935478-1B U0014PHONE JACK PC BOARD ASBAETC-1440-1B11B2935440-1B U0020AMP(CLASS A) PC BOARD ASBACLA-1318-2B11B2935318-2B U0030DISPLAY PC BOARD ASBADIS-1435-1B11B2935435-1B U0031SWITCH(STANDBY) PC BOARD ASBADIS-1436-1B11B2935436-1B U0034TERMINAL(SPEAKER) PC BOARD ASBATRM-1473-1B11B2935473

9、-1B U0035MPU PC BOARD ASBADG-1474-1B11B2935474-1B U0036POWER SUPPLY PC BOARD ASBAPS-1476-1B11B2935476-1B U0040TUNER PC BOARD ASBARF-1450-1B11B2935450-1B U0050DIGITAL PC BOARD ASBADG-1269-2B11B2935269-2B SEMI CONDUCTOR Q6050TR2SC5198-O12203063 Q6050 orTR2SC5198-R( 1)2203062 Q6053TR2SC5198-O12203063 Q

10、6053 orTR2SC5198-R( 1)2203062 Q6060TR2SA1941-O12203053 Q6060 orTR2SA1941-R( 1)2203052 Q6063TR2SA1941-O12203053 Q6063 orTR2SA1941-R( 1)2203052 CHASSIS SCREW A003BOTTOM LEG phi48(313)427175472 A004CUSHION(ZUL) phi20 x phi8428141900 A101REAR PANELMDC127124533BN A102LABEL(SP)2ch129392373N CABINET A201F

11、PANELTX-8020(B)MDC127213682N A202CLEAR PLTTX-8020(B)128192418N A203KNOB(INP)B128327158N A204BADGE128135317 A211KNOB(TONE)(B)(8030)128326952 A212KNOB(INPUT)(B)(8030)328326954 A213KNOB(STBY)(B)128326904 A214KNOB(ZONE)(B)2pcs228326945 A220KNOB(CUR)128326907B A321KNOB(VOL)AS(B)128326914 A340COVER(B) (Be

12、nt)128210089A A340COVER(B) (Not Bent)128210089AZ A401LABEL(COVER)129390767 A402LABELHOOKUP-ONKYO129363194 TRANS COIL T901P TRANSNPT-1618D12302045! SW TRM F6401FUSE10A-UL/T-2331252330GR! F6401 orFUSE10A-T/UL-ST2( 1)252333GR! F6402FUSE10A-UL/T-2331252330GR! F6402 orFUSE10A-T/UL-ST2( 1)252333GR! F901FU

13、SE4A-UL/T-2331252325GR! F901 orFUSE4A-T/UL-ST2( 1)252257GR! P701FFCNCFC7-33201212047332012 P901AC CORDAS-UC-21253368AYUN! P901 orAC CORDAS-UC-2( 1)253368BLTK! TUNER UNIT SEMI CONDUCTOR Q6050TR2SC5198-O12203063 Q6050 orTR2SC5198-R( 1)2203062 Q6053TR2SC5198-O12203063 Q6053 orTR2SC5198-R( 1)2203062 Q60

14、60TR2SA1941-O12203053 Q6060 orTR2SA1941-R( 1)2203052 Q6063TR2SA1941-O12203053 Q6063 orTR2SA1941-R( 1)2203052 CHASSIS SCREW A003BOTTOM LEG phi48(313)427175472 A004CUSHION(ZUL) phi20 x phi8428141900 A101REAR PANELMPP127124534BN A102LABEL(SP)2ch129392373N CABINET A201F PANELTX-8020(B)MDC127213682N A202

15、CLEAR PLTTX-8020(B)128192418N A203KNOB(INP)B128327158N A204BADGE128135317 A211KNOB(TONE)(B)(8030)128326952 A212KNOB(INPUT)(B)(8030)328326954 A213KNOB(STBY)(B)128326904 A214KNOB(ZONE)(B)2pcs228326945 A220KNOB(CUR)128326907B A321KNOB(VOL)AS(B)128326914 A340COVER(B) (Bent)128210089A A401LABEL(COVER)129

16、390767 A421P RIVETJB-407A-C8880052 TRANS COIL T901P TRANSNPT-1618P12302046! SW TRM F6401FUSE10A-UL/T-2331252330GR! F6401 orFUSE10A-T/UL-ST2( 1)252333GR! F6402FUSE10A-UL/T-2331252330GR! F6402 orFUSE10A-T/UL-ST2( 1)252333GR! F901FUSE2A-SE-EAK FUSE1252074GR! F901 orFUSE2A-SE-TL250V( 1)252274GR! F901EFU

17、SE LABELT2AL250V129363126! P403FFCNCFC7-23121212047231212 P701FFCNCFC7-33201212047332012 P901AC CORDAS-CEE-21253306VOL! P901 orAC CORDAS-CEE-2( 1)253374YUN! TUNER UNIT (B)MDC : 120V, Canadian/USA/(Mexico) model, Black(B)MPP : 230V, CE(European) country model, Black U0010AMP(ASP) PC BOARD ASBAAF-1472

18、-1A11B2935472-1A U0011TERMINAL(TRANS) PC BOARD ASBAETC-1475-1A11B2935475-1A U0012THERMAL SENSOR PC BOARD ASBAETC-1477-1A11B2935477-1A U0013FIX(SENSOR) PC BOARD ASBAETC-1478-1A11B2935478-1A U0014PHONE JACK PC BOARD ASBAETC-1440-1A11B2935440-1A U0020AMP(CLASS A) PC BOARD ASBACLA-1318-2A11B2935318-2A U

19、0030DISPLAY PC BOARD ASBADIS-1435-1A11B2935435-1A U0031SWITCH(STANDBY) PC BOARD ASBADIS-1436-1A11B2935436-1A U0034TERMINAL(SPEAKER) PC BOARD ASBATRM-1473-1A11B2935473-1A U0035MPU PC BOARD ASBADG-1474-1A11B2935474-1A U0036POWER SUPPLY PC BOARD ASBAPS-1476-1A11B2935476-1A U0040TUNER PC BOARD ASBARF-14

20、50-1A11B2935450-1A U0030 = DISPLAY BOARD AS(BADIS-1435) + INPUT/BASS BOARD AS(BAETC-1446) + TREBLE BALANCE BOARD AS(BAETC-1442) BADIS-1435, BAETC-1442 and BAETC-1446 are connected by a jumper lead. U0030 = DISPLAY BOARD AS(BADIS-1435) + INPUT/BASS BOARD AS(BAETC-1446) + TREBLE BALANCE BOARD AS(BAETC

21、-1442) BADIS-1435, BAETC-1442 and BAETC-1446 are connected by a jumper lead. Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List. NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMB

22、ER SPECIFIED. REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN)REMARKSREF. NO. PART NAMEDESCRIPTIONQTY PART NO. (SN) REMARKS RadioFans.CN 收音机爱 好者资料库 TX-8020 EXPLODED VIEWS-3 EXPLODED VIEW PARTS LIST SEMI CONDUCTOR Q6050TR2SC5198-O12203063 Q6050 orTR2SC5198-R( 1)2203062 Q6053TR2SC5198-O12203063 Q6053 orT

23、R2SC5198-R( 1)2203062 Q6060TR2SA1941-O12203053 Q6060 orTR2SA1941-R( 1)2203052 Q6063TR2SA1941-O12203053 Q6063 orTR2SA1941-R( 1)2203052 CHASSIS SCREW A003BOTTOM LEG phi48(313)427175472 A004CUSHION(ZUL) phi20 x phi8428141900 A101REAR PANELMPP127124534B A102LABEL(SP)2ch129392373 CABINET A201F PANELTX-80

24、20(S)MPP127213684N A202CLEAR PLTTX-8020(S)128192419N A203KNOB(INP)B128327158 A204BADGE128135317 A211KNOB(TONE)(S)(8030)128326951 A212KNOB(INPUT)(S)(8030)328326953 A213KNOB(STBY)(S)128326905 A214KNOB(ZONE)(S)2pcs228326944 A220KNOB(CUR)128326907B A321KNOB(VOL)AS(S)128326915 A340COVER(S) (Bent)12821009

25、0A A401LABEL(COVER)129390767 A421P RIVETJB-407A-C8880052 TRANS COIL T901P TRANSNPT-1618P12302046! SW TRM F6401FUSE10A-UL/T-2331252330GR! F6401 orFUSE10A-T/UL-ST2( 1)252333GR! F6402FUSE10A-UL/T-2331252330GR! F6402 orFUSE10A-T/UL-ST2( 1)252333GR! F901FUSE2A-SE-EAK FUSE1252074GR! F901 orFUSE2A-SE-TL250

26、V( 1)252274GR! F901EFUSE LABELT2AL250V129363126! P403FFCNCFC7-23121212047231212 P701FFCNCFC7-33201212047332012 P901AC CORDAS-CEE-21253306VOL! P901 orAC CORDAS-CEE-2( 1)253374YUN! TUNER UNIT U0010AMP(ASP) PC BOARD ASBAAF-1472-1B11B2935472-1B U0011TERMINAL(TRANS) PC BOARD ASBAETC-1475-1B11B2935475-1B

27、U0012THERMAL SENSOR PC BOARD ASBAETC-1477-1B11B2935477-1B U0013FIX(SENSOR) PC BOARD ASBAETC-1478-1B11B2935478-1B U0014PHONE JACK PC BOARD ASBAETC-1440-1B11B2935440-1B U0020AMP(CLASS A) PC BOARD ASBACLA-1318-2B11B2935318-2B U0030DISPLAY PC BOARD ASBADIS-1435-1B11B2935435-1B U0031SWITCH(STANDBY) PC BO

28、ARD ASBADIS-1436-1B11B2935436-1B U0034TERMINAL(SPEAKER) PC BOARD ASBATRM-1473-1B11B2935473-1B U0035MPU PC BOARD ASBADG-1474-1B11B2935474-1B U0036POWER SUPPLY PC BOARD ASBAPS-1476-1B11B2935476-1B U0040TUNER PC BOARD ASBARF-1450-1B11B2935450-1B U0050DIGITAL PC BOARD ASBADG-1269-2B11B2935269-2B (S)MPP

29、: 230V, CE(European) country model, Silver U0030 = DISPLAY BOARD AS(BADIS-1435) + INPUT/BASS BOARD AS(BAETC-1446) + TREBLE BALANCE BOARD AS(BAETC-1442) BADIS-1435, BAETC-1442 and BAETC-1446 are connected by a jumper lead. Parts marked by NSP are generally unavailable because they are not in our Mast

30、er Spare Parts List. NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN) REMARKS TX-8020TX-8020 SCHEMATIC DIAGRAMS-01(PART-1) ASP SECTION APPROVCHECKDESIGNSHEET DRAWING

31、 No.TITLE GND_TU TU_RI TU_LI TU_SCL TU_SCL TU_SDA TU_SDA TU_RST GND_CH SBL+ SBR+ SL+ SR+ SW+ C+ FL+ FR+ VOLH VOLH IPROTECT IPROTECT VPROTECT VPROTECT SEC1H SEC1H DAC_SW DAC_CT DAC_SR DAC_SL DAC_SBR DAC_SBL DAC_FR DAC_SR DAC_SL DAC_CT DAC_SBR DAC_SBL DAC_FL DAC_SW -15Vdecup +15Vdecup MICOUT LTAD DAC_

32、FR DAC_FL SR_IN PRRLF SBRELAY RTAD Z2R+ Z2L+ Z2NET_R Z2NET_L +15VOP S1L+ S1L- VOLCLK Z2VOLCLK SBZ2MUT AMUT +5VTU FR+ FL+ SW+ C+ SR+ SL+ SBR+ -15VOP SBL+ L_IN VOLDATA C_IN AUX_R AUX_L Z2MUT +24V SBR_IN SBL_IN R_IN SL_IN GND_AMP GND_AMP -15V -15V +15V 151J C4434 151J C4433 221J C4131 102KC4401 102JC42

33、05 102JC4204 101JC4091 50V 101JC4090 50V C4402 NC C4405 NC 102KC4400 103K C4000 221J C4010 221J C4009 221J C4013 221J C4014 102J C4437 221J C4015 103K C4211 103KC4200 102J C4219 221J C4035 221J C4036 103K C4217 221J C4027 221J C4031 221J C4030 221J C4025 221J C4032 221J C4306 221J C4305 102JC4216 50

34、V 221J C4016 102J C4002 102J C4001 471JC4540 471JC4541 151JC4538 151JC4539 152J C4533 152J C4532 101J C4542 104Z C4549 104Z C4548 151J C4438 151J C4439 151J C4435 151J C4436 101J C4543 221J C4022 221J C4021 221J C4033 221J C4034 102J C4218 102JC4324 220JC4093 C4005 NC 220JC4094 C4426 332J C4422 332J

35、 C4432 221J C4421 332J C4420 332J C4423 332J C4534 123J C4535 123J C4537332J C4536332J C4424 332J C4019 221J C4020 221J C4003 221J C4004 221J C4431 221J C4430 221J C4309 223J C4313823J C4311474J C4312 474J C4310223J C4314 823J C4017 221J C4018 221J C4132 103J C4300 334J50V C4428 332J C4429 332J C442

36、5 332J C4427 332J C4100 47u 50V C407247u 50V C407547u 50V C4107 47u50V C407647u 50V C407147u 50V C407747u 50V C407847u 50V C407947u 50V C407347u 50V C407447u 50V C4175470u16V C4318470u 16V C4525 47u 25V C4466 47u25V C4186 220u 25V C4529 47u 25V C4172 220u 25V C406047u 25V C4061 47u 25V C4111 220u25V

37、 C4528 47u 25V C4106 47u 50V C4102 47u 50V C4166 220u 25V C4173 220u 25V C4546 47u 25V C4547 47u 25V C4110 220u25V C4184 220u25V C4544 10u 50V C4545 10u 50V C4185 220u25V C4550 220u 10V C4551 220u 10V C4187 220u 25V C4086 47u 25V C4085 47u 25V C4167 220u 25V C4109 47u 50V C4209 47u 25V C405147u 25V

38、C405247u 25V C4053 47u 25V C4404 47u 25V C4531 47u 25V C453047u 25V C4174470u16V C4130 47u 50V C405447u 25V C431647u 50V C4308 47u 50V C4307 47u 50V C4319470u 16V C433047u 25V C432947u 25V C432847u 25V C432747u 25V C432547u 25V C432647u 25V C4522 47u 25V C4527 47u 25V C4171 10u 50V C4170 10u 50V C40

39、7047u 50V C405547u 25V C4317 47u 50V C4210 47u 25V C405747u 25V C405647u 25V C4103 47u 50V C4101 47u 50V C4104 47u 50V C4301 1000u35V C4302 470u35V C4108 47u 50V C4105 47u 50V C405047u 25V P5503B 1234567 P101B 123456789 P5504B 123456789 10 11 12 13 P5502B 123456789 10 11 12 13 14 15 16 17 18 19 20 D

40、4303 RL1N4003 D4304 RL1N4003 D4305 RL1N4003 *D4201 DA2J10100 *D4200DA2J10100 D4219 DA2J10100 D4300 RL1N4003 D4208 DA2J10100 D4218 DA2J10100 D4217 DA2J10100 D4302 RL1N4003 D4301 RL1N4003 *D4206DA2J10100 D4307DA2J10100 D4216DA2J10100 D4308DA2J10100 D4209 DA2J10100 D4207 DA2J10100 D4319DA2J10100 D4309D

41、A2J10100 D4174DZ2J068M0L *D4171 DZ2J075M0L D4400 DZ2J056M0L D4173DZ2J068M0L *D4172 DZ2J075M0L Q4170ARAD-196 1 23 4 Q4145 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4148 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4130 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4530 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4003 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4142

42、 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4140 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4143 NJM4580M-D OUT 7 - 6 + 5 +V 8 Q4530 NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4142 NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4003NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4140 NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4143 NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4145 NJM4580M-D O

43、UT 1 - 2 + 3 -V 4 Q4130 NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4148 NJM4580M-D OUT 1 - 2 + 3 -V 4 Q4301 R2A15218FP NC1 1 SL-OUT9 SLC 8 SWC14 NC2 13 SRC 12 AGND310 AGND1 4 SBL-OUT3 AGND2 7 SBRC 6 SBLC 2 SBR-OUT 5 SR-OUT 11 SW-OUT15 AGND416 C-OUT 17 CC 18 AGND519 FLC 20 FL-OUT 21 AGND622 FR-OUT 23 FRC 24 NC3

44、25 BASS_L1 26 BASS-L2 27 TREL 28 NC4 29 AVCC 30 NC5 31 BASS-R1 32 BASS-R2 33 TRER 34 NC6 35 SBL-IN2 36 SBR-IN2 37 C-IN2 38 SW-IN2 39 SL-IN2 40 SR-IN2 41 FL-IN2 42 FR-IN2 43 SBRC-IN 44 SBLC-IN 45 SUBL 46 SUBR 47 DGND 48 DATA 49 CLOCK 50 MUTE 51 AVEE 52 NC7 53 ADCL 54 ADCR 55 AGND7 56 NC8 57 IN-R1 58

45、IN-L1 59 IN-R2 60 IN-L2 61 IN-R3 62 IN-L3 63 IN-R4 64 IN-L4 65 IN-R5 66 IN-L5 67 IN-R6 68 IN-L6 69 IN-R7 70 IN-L7 71 IN-R8 72 IN-L8 73 NC9 74 INRA/RECR1 75 INLA/RECL1 76 NC10 77 IN-R9 78 IN-L9 79 NC11 80 81 82 83 84 85 86 NC12 87 NC13 88 NC14 89 RECR390 RECL3 91 NC15 92 FL-IN1 93 FR-IN1 94 C-IN1 95

46、SW-IN1 96 97 98 99 100 Q4170 78M15HF(NJM78M15FA) I G O Q4171 79M15HF(NJM79M15FA) GI O P4002 1 2 3 4 5 6 7 P4003 1 2 3 4 5 6 7 P4010 1 2 3 4 5 6 7 P4011 1 2 3 P4001 1 2 3 7 P4008 1 2 3 7 P4009 1 2 3 7 P4007 1 2 3 7 J4677 J4485 J4188NC J4678 J4185NC J4484 J4653 S1L+,S1L- +24V,GND_AMP IPROTECT,SEC1H,VO

47、LH,VPROTECT AMPSIG_IN R42300 R42130 R4302 0 R4221 0 R4231 value R4303 0 R46270 R4222 0 R42890 R4225 0 R46290 R42120 R42110 R46220 R4226 0 R4223 0 R4524 0 R4228 0 R4229 0 R46250 R46280 R4227 0 R4408 R46660 R4305 100 R4077 22k R4309 2.2k R4189 220K R4059 100k R4306 value R4294220K R4308 2.2k R4055 220

48、K R4181220K R4293220K R4034 100 R4311 220K R4304 100 R4101 220K R4014 330 R4030 100 R4031 100 R4434 15k R4104 220K R4139 100k R4100 220K R4053 100k R4182220K R4032 100 R4072 2.2k R4025 2.2k R4026 100 R4054 100k R4091 22k R4099 22k R4112 2.2k R40882.2k R4420 4.7k R4071 220K R4403100k R41610.221W R401

49、3 330 R4406 680 R4451 560 R4450 560 R4002 330 R4001 330 R4019 330 R4453 560 R4042 56k R4041 56k R4530 100k R4531 100k R4457 560 R4454 560 R4078 47k R4131 47k R4079 47k R4423 4.7k R4421 4.7k R4427 4.7k R4535 270k R4534 270k R453622k R453722k R4538 1.2k R4539 1.2k R4422 4.7k R4097 3.3k R4532 560 R4533 560 R4058 100k R4542 100k R4424 4.7k R4093 3.3k R4541 100 R4540 100 R4407 33k R4433 15k R4437 15k R4545 22 R4107 220K R4102 220K R4115 270 R4105 220K R4106 220K R4132 15k R4090 12k R45