Onkyo-HTR8230-avr-sm维修电路原理图.pdf

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1、HT-R8230 SERVICE MANUALSERVICE MANUAL AV RECEIVER Silver model MODEL HT-R8230 Ref. No. 3817 082004 SMDD120V AC, 60Hz RC-479S 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

2、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 THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 SERVICE PROCEDURES H

3、T-R8230 1. Replacing the fuses 2. Safety-check out (Only U.S.A. model) After correcting the original service problem perform the following safety check before releasing the set to the customer Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back

4、 panel. Specifications: More than 10Mohm at 500V This symbol located near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard, replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le f

5、usible utilise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre. 3. To initialize the unit This unit does not require memory preservation batteries. A built-in memory power backup system preserves the conte

6、nts of memory during power failures and even when the power cord is unplugged. The power cord must be plugged in order to charge the backup system. The memory preservation period after the unit has been turned off varies depending on climate and placement of the unit. On average, memory contents are

7、 protected over a period of a few weeks after the time the unit has been turned off. This period is shorter when the unit is exposed to a very humid climate. This device employs a microprocessor to perform various functions and operations. If interference generated by an external power supply, radio

8、 wave, or other electrical sauce results in accident which causes the specified operations and functions to operate abnormally. To perform a result, please follow the procedure below. 1. Press and the hold down the VIDEO 1 button , then press the STANDBY/ON button when the unit is Power ON. 2. After

9、 Clear is displayed, the preset memory and each mode stored in the memory, are initialized and will return to the factory settings. 5. Memory Preservation Main microprocessor Q7008. 1. Press and the hold down the DISPLAY button , then press the STANDBY/ON button when the unit is Power ON. Version is

10、 displayed on FL display only for 3 seconds. 2. Press the STANDBY/ON button to Power Off. 4. How to check version of microprocessor? Version 04212a ex. REF. NO. F6901 F6901 or F6902 F6902 or F901 F901 or F903 F903 or DESCRIPTION 8A-UL 8A-T/UL-ST2 8A-UL 8A-T/UL-ST2 8A-UL 8A-T/UL-ST2 5A-UL/T-237 5A-T/

11、UL-ST2 PART NO. 252198 252261 252198 252261 252198 252261 252164 252258 REMARKS ! ! ! ! ! ! ! ! RadioFans.CN 收音机爱 好者资料库 HT-R8230 EXPLODED VIEWS-1 HT-R8230 U04 U03 P7502 P7503 U02 F903 F6902 F6901 U18 U19 U01 U10 U25 U09 U27 P101 U23 U08 P901 U12 T901 U11 U20 U17 P800 x 8 A028 A035 A020 x 6 A050 A051

12、 x 6 A030 A021 A007 x 3 A005 x 10 A411 A004 A021 A021 x 2 A036 x 2 A025 A024 A404 x 24 A401 A026 A055 x 4 A010 A002 x 2 A421 x 3 A065 A413 A412 A414 A060 A420 A410 A056 x 8 A057 x 4 A017 x 2 A017 A016 x 2 A015 A023 x 4 A435 F901 Refer to in EXPLODED VIEWS-2 Refer to in EXPLODED VIEWS-2 U26 A022 HT-R

13、8230 EXPLODED VIEWS-2 HT-R8230 Q6064 Q6063 Q6062 Q6061 Q6060 Q6050 Q6051 Q6052 Q6054 Q6053 Q6050A x10 A037 x10 A416 (L=85mm) A417 (L=160mm) FRONT PANEL INSIDE VIEW A416 (L=85mm) A415 (L=135mm) A418 (L=215mm) BLOCK DIAGRAM HT-R8230HT-R8230 SUBWOOFER PREOUT AC OUTLET BASS BOOST MUTING MUTING OUTPUT GA

14、IN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INPUT GAIN Q301 BD3811K 0/6dB Q302(1/2) 10.5dB Q302(2/2) Q305 15dB NC NC VIDEO 3 CD L R L R L R L R L R L R L

15、R L R L R CENTER SUB WOOFER TAPE IN TAPE OUT VIDEO 1 OUT VIDEO 1 IN VIDEO 2 IN FRONT SURROUND DVD BACK UP Q7501 OPERATION KEY 16BT123GK FL TUBE STANDBY D7507 RL6901 INPUT ATT. -6dB MASTER VOLUME 0,-103dB 50KLPF SW 50KLPF C 50KLPF SR 50KLPF SL 50KLPF R 50KLPF L SEC2 DIR 2CH A/D 96/24 VIDEO SELECTOR M

16、AIN MICROPROCESSOR Q7008 MPD784225GC-249-8BT SUB MICROPROCESSOR Q7502 MPD780232GC-030-8BT Q701 CS493264 DSP 96/24 6CH D/A Q801 AK4586 Q804 Q803 Q802 OPTICAL BASS/TREBLE BASS/TREBLE AC IN F901 P902 RL901 D921 -924 D9502 -9504 D6904 D6903 RL6902 POWER AMP. D9509 -9512 PRI. SEC1 T902 U7501 REMOTE SENSO

17、R SEC3 +B1L+B1H PHONES VIDEO VIDEO2 IN VIDEO1 IN DVD IN 12.5MHZ 5MHZ 12.288MHZ VIDEO MUTE Q202 Q201 MONITOR OUT VIDEO 1 OUT SEC1H/L CONTROL Q4606 78M05 +5VDSP Q6402 78M12 Q6403 79M12 -12VAF -12VAF VIDEO SECTION PREAMPLIFIER SECTION DSP SECTION -VP +12V Q9501 FL TUBE FLAC FLAC RELAY +B2 SEC1H +B1 -B1

18、 Q6931 NJM78M56A Q6405 78M12 +5.6V MICROPROCESSOR SUB MICROPROCESSOR POWER OSC +5V -12VAF +12VAF +7V -7V +2.5V DSP POWER SUPPLY VOLTAGE LEVEL SENSOR R6380 THERMAL SENSOR VOLH PRO D6704 DC VOLTAGE DETECTION OVER CURRENT DETECTION Q67016703 COAXIAL Q281 74HCU04 VIDEO3 IN +27dB +27dB +27dB +27dB +27dB

19、POWER AMPLIFIER L R FRONT SPEAKERS-A FRONT SPEAKERS-B SURROUND SPEAKERS CENTER SPEAKER L R L R +3.3V 78 77 2 69 68 1 55 72 666571 57 4 3 4342 38 6 5 4039 8 37 7 3031 76 35 75 3334 10 36 SWPO 9 23 21 26 25 28 27 24 22 12 18 11 AMUT 14 20 13 16 15 17 19 SPF SPCS SPB HPDET SELMUT SELDA SELCL RST.CS.INT

20、REQ/CL/DA /SCDO RST.CS/CL/DA/ CDTO/INT1.2. CTLA/B VMUT2 VMUT1 DIGITAL IN Q7004 BA33C25 Q321 78L07 Q322 79L07 Q307 MUTING Q312 Q313 Q306 Q308 D6703 RL6603 RL6601 RL6604 RL6600 Q203 LA7956 SUB TRANSFORMER T901 MAIN TRANSFORMER TUNER UNIT MAIN MICROPROCESSOR RI RI INTERFACE 120V 60Hz SELECTOR/TONE CONT

21、ROL /VOLUME A 1 2 3 4 5 BCDEFGH BLOCK DIAGRAM HT-R8230HT-R8230 SUBWOOFER PREOUT AC OUTLET BASS BOOST MUTING MUTING OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB OUTPUT GAIN 0-18dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INPUT GAIN 0/6dB INP

22、UT GAIN 0/6dB INPUT GAIN Q301 BD3811K 0/6dB Q302(1/2) 10.5dB Q302(2/2) Q305 15dB NC NC VIDEO 3 CD L R L R L R L R L R L R L R L R L R CENTER SUB WOOFER TAPE IN TAPE OUT VIDEO 1 OUT VIDEO 1 IN VIDEO 2 IN FRONT SURROUND DVD BACK UP Q7501 OPERATION KEY 16BT123GK FL TUBE STANDBY D7507 RL6901 INPUT ATT.

23、-6dB MASTER VOLUME 0,-103dB 50KLPF SW 50KLPF C 50KLPF SR 50KLPF SL 50KLPF R 50KLPF L SEC2 DIR 2CH A/D 96/24 VIDEO SELECTOR MAIN MICROPROCESSOR Q7008 MPD784225GC-249-8BT SUB MICROPROCESSOR Q7502 MPD780232GC-030-8BT Q701 CS493264 DSP 96/24 6CH D/A Q801 AK4586 Q804 Q803 Q802 OPTICAL BASS/TREBLE BASS/TR

24、EBLE AC IN F901 P902 RL901 D921 -924 D9502 -9504 D6904 D6903 RL6902 POWER AMP. D9509 -9512 PRI. SEC1 T902 U7501 REMOTE SENSOR SEC3 +B1L+B1H PHONES VIDEO VIDEO2 IN VIDEO1 IN DVD IN 12.5MHZ 5MHZ 12.288MHZ VIDEO MUTE Q202 Q201 MONITOR OUT VIDEO 1 OUT SEC1H/L CONTROL Q4606 78M05 +5VDSP Q6402 78M12 Q6403

25、 79M12 -12VAF -12VAF VIDEO SECTION PREAMPLIFIER SECTION DSP SECTION -VP +12V Q9501 FL TUBE FLAC FLAC RELAY +B2 SEC1H +B1 -B1 Q6931 NJM78M56A Q6405 78M12 +5.6V MICROPROCESSOR SUB MICROPROCESSOR POWER OSC +5V -12VAF +12VAF +7V -7V +2.5V DSP POWER SUPPLY VOLTAGE LEVEL SENSOR R6380 THERMAL SENSOR VOLH P

26、RO D6704 DC VOLTAGE DETECTION OVER CURRENT DETECTION Q67016703 COAXIAL Q281 74HCU04 VIDEO3 IN +27dB +27dB +27dB +27dB +27dB POWER AMPLIFIER L R FRONT SPEAKERS-A FRONT SPEAKERS-B SURROUND SPEAKERS CENTER SPEAKER L R L R +3.3V 78 77 2 69 68 1 55 72 666571 57 4 3 4342 38 6 5 4039 8 37 7 3031 76 35 75 3

27、334 10 36 SWPO 9 23 21 26 25 28 27 24 22 12 18 11 AMUT 14 20 13 16 15 17 19 SPF SPCS SPB HPDET SELMUT SELDA SELCL RST.CS.INTREQ/CL/DA /SCDO RST.CS/CL/DA/ CDTO/INT1.2. CTLA/B VMUT2 VMUT1 DIGITAL IN Q7004 BA33C25 Q321 78L07 Q322 79L07 Q307 MUTING Q312 Q313 Q306 Q308 D6703 RL6603 RL6601 RL6604 RL6600 Q

28、203 LA7956 SUB TRANSFORMER T901 MAIN TRANSFORMER TUNER UNIT MAIN MICROPROCESSOR RI RI INTERFACE 120V 60Hz SELECTOR/TONE CONTROL /VOLUME A 1 2 3 4 5 BCDEFGH SCHEMATIC DIAGRAMS-1 PREAMPLIFIER SECTION HT-R8230HT-R8230 A 1 2 3 4 5 BCDEFGH Q7004 BA33C25 2.5V 5 3.3V 4 G 3 NC 2 VI 1 P406 L805NC Q702NC A020

29、 A119 A1031 A11 1 A1212 A13 4 A14 5 A1511 A1610 A17 6 A18/VPP 9 A218 A317A416 A515 A614 A713 A8 3 A9 2 DQ021 DQ122 DQ223 DQ325 DQ426 DQ527 DQ628 DQ729 VCC 8 VSS24 CE30 OE32 WE/A18 7 P801TO NAETC-7884 Q9501 2SA1015-GR KTA1266-GR Q6402 78M12 GI O Q6406 78M05 GI O Q6405 78M12 GI O Q6403 79M12 G IO P640

30、3 P306 TO NAAF-7866 P410B TO NAETC-7868 P7502B TO NADIS-7403 P411B TO NAETC-7868 Q32178L07 GI O Q32279L07 GI O P302 VIDEO-3 IN P261A NC P802 NC P305 DVD SURROUND R SURROUND L SUB WOOFER CENTER P304 VIDEO-1 OUT VIDEO-1 IN VIDEO-2 IN P301 CD TAPE IN TAPE OUT Q7003 TC74HCT7007 1 2 3 4 5 6 78 9 10 11 12

31、 13 14 NC FOR FLASH WRITER P101 TO TUNER PACK Q101 NC T2 T1 VSS2 VDD2 XI X0 T57 RCLK CMP VSS3 VSS1 VDD1 MUX VREF RDSDATA QUAL Q181 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 Q7008 MPD784225GC-249-8BT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

32、39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Q710 NC 1A1 1B2 1Y3 2A4 2B5 2Y6 3A 10 3B 9 3Y 8 4A 13 4B 12 4Y 11 GND7 VCC14 D7702UDZ6.2B D9508 UDZ27D Q7007 KRC104S OR RN1404 Q7006 KRC104S OR RN1404 Q7001 KRC104S RN1404 Q3

33、17 NC Q319 NC Q318 NC R743NC R744NC R745 NC R7000 100 R187 R186 R182 NC R183NC R185 R184 NC R747 NC R742 NC R740 NC R9508 15K R9509100K R9506 22 (/2W R9507 15K Q703NC A020 A119 A1031 A11 1 A1212 A13 4 A1411 A15 7 A1610 A218 A317A416 A515 A614 A713 A8 3 A9 2 CE2 6 GND24 IO121 IO222 IO323 IO425 IO526

34、IO627 IO728 IO829 NC 9 VCC 8 CE130 OE32 WE 5 TVDD DVDD VCOM DFZ1 LOUT3 ROUT3 LOUT2 ROUT2 LOUT1 ROUT1 LIN RIN PVDD VREFH AVDD AVSS DFZ2 CSN CCLK CDTI CDTO INT1 INT0 SDTI3 SDTI2 PDN RX1 I2C RX2 TST RX3 SLAVE RX4 PVSS R SDTI1 SDTO BICK LRCK MCKO TX DVSS XTI XTO Q801 AK4586 1 2 3 4 5 6 7 8 9 10 11 12 13

35、 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Q701 CS493264-CL A0/SCCLK7 A1/SCDIN6 AUDATA041 AUDATA1 40 AUDATA239 CLKIN30 CLKSEL31 CMPCLK/SCLKN228 CMPDAT/RCV958/SDATAN227 CMPREQ/ LRCLKN2 29DATA017 DATA116 DATA215 DATA314 DATA411 DATA510 DATA69 DATA78DC

36、38 DD37 FILT133 FILT232 LRCKN126LRCLK42 MCLK44 SCDIO/SCDOUT19 SCLK43SCLKN1/STCCLK225 SDTAN122 VDD11 VDD212 VDD323 VDDA34 VSS12 VSS213 VSS324 VSSA35 XMT9583 ABOOT/_INTREQ20 CS18 EXTMEM21 RD/R/_W5 RESET36 WR/DA4 P7701 NC* TO RS232C X7001 CSTCV12.5MXJ X701CSTCV12.2MTJ0C4 L7002 022M NCH-1471 L7001470K N

37、CH-1479 L703 470M NCH-1479 L706 BK1608LM182 L705 BK1608LM182 L181 L804 022M NCH-1471 L801 022M L802 022M L803 022M L704 022M NCH-1471 L701 022M NCH-1471 L702 022M NCH1471 X181 NC X801 HC-49/U03C 12.288M Q707 TC7WU04FU GND4 1 63 72 5 8 Q7002 TC74VHC541FT A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GND10

38、VCC20 Y118 Y217 Y316 Y415 Y514 Y613 Y712 Y811 G11 G219 Q706NC 1CK3 1D2 1Q5 2CK 11 2D 12 2Q9 GND7 VCC 14 1CLR1 1PR4 1Q6 2CLR 13 2PR 10 2Q8 Q704 NC NC 0D20Q 19 1D31Q 18 2D42Q 17 3D53Q 16 4D64Q 15 5D75Q 14 6D86Q 13 7D97Q 12 CK 11GND10 OUTCTL1VCC 20 Q705NC 0D20Q 19 1D31Q 18 2D42Q 17 3D53Q 16 4D64Q 15 5D

39、75Q 14 6D86Q 13 7D97Q 12 CK 11GND10 OUTCTL120 Q304 13 1 2 5 4 3 6 8 9 12 11 10 GND 7 VCC14 Q303 13 1 2 5 4 3 6 8 9 12 11 10 GND 7 VCC14 LOGIC BASS BOOST DA CL MUT VEEVCC BASSTREBLE 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k Q301 BD

40、3811K1 29 70 32 41 44 49 51 53 54 67 56 58 62 60 61 59 47 46 45 66 69 33 40 43 30 10 77 78 21 22 79 80 23 24 1 2 3 4 5 6 7 8 9 11 12 27 26 25 28 15 14 13 16 48 55 19 20 57 17 18 36 37 38 35 71 72 73 74 75 76 63 64 52 50 65 68 34 39 42 31 C9503 104J C375 472J C373 472J C374 472J C372 472J C371 472J C

41、376 472J C6401 104J C9502 104J C9501 104J C849153J C841 822J C344 C342 C343 C341 C339 C338 563J C337 C340 563J P351 Q306 OR KRA102S RN2402 Q314 NC Q316 NC Q315 NC Q307 RN1441 Q311 NO USE NC Q310 NO USE NC Q309 NC Q308RN1441 Q312 RN1441 Q313 RN1441 C7010104Z C360 474K C361 224K C816 104Z D9512 D9504

42、D9505 D7003 D9511 D9510 D9509 D9506 1SR154-400 D9507 1SR154-400 D9502 D9503 D9502-9505:RL1N4003 D801 D802 D7002 D7004 1SS352 D7001 C7015 47/16 C7011 47/16 C7012 47/16 C101 3.3/50 C859 10/16 C858 10/16 C353 47/16 C354 47/16 C358 47/16 C357 NC C356 NC C355 NC C854 10/16 C855 47/16 C856 10/16 C857 10/1

43、6 C832 10/16 C362 10/16 C349 10/16 C184 NC C181 NC C103 3.3/50 C359 10/16 C6412 10/16 C6410 10/16 C6404 10/16 C6406 10/16 C9508 4700/16 C9510 220/63 C9507 220/35 C9506 470/35 C9505 2200/35 C833 10/16 C836 10/16 C837 10/16 C834 10/16 C835 10/16 C809 10/16 C806 220/6.3 C36410/16 C36310/16 C801 47/16 C

44、810 47/16 C7005 100/6.3 C7004 1/50 C7002 100/6.3 C7001 104F C716 100/6.3 C706 100/6.3 C731NC C348 C347 C331 10/16 C329 10/16 C330 10/16 C332 10/16 C333 10/16 C334 10/16 Q305 OR MPC4570 NJM4565M 3 2 4 1 Q302 OR MPC4570 NJM4565M 3 2 4 1 Q802 NJM4565M 5 6 4 7 Q804 NJM4565M 5 6 4 7 Q803 NJM4565M 5 6 4 7

45、 Q305 OR MPC4570 NJM4565M 5 8 6 7 Q302 OR MPC4570 NJM4565M 5 8 6 7 Q802 NJM4565M 3 8 2 1 Q804 NJM4565M 3 8 2 1 Q803 NJM4565M 3 8 2 1 R80147 NC R80347 R71347 R714330 R715330 R716330 R717330 R7138 22K R783922K R103 22K R102 22K R347 10K R348 10K R7180 R7179 R7178 R7080 INIT3 R7004 BAND R366 R365 R364

46、10K R363 10K R316 330 R318 330 R320 330 R339 R321 330 R343 R342 R319 330 R341 R340 R317 330 R338 R310 330 R314 330 R312 330 R333 R311 330 R332 R315 330 R337R336 R313 330 R335R334 R304 330 R300 330 R302 330 R306 330 R307 330 R324 R301 330 R323R322 R303 330 R325R327R329R328 R305 330 R326 R359 NC R360

47、NC R372 R331 470 R371 R330 470 R397 NC R396 NC R344 R373 470 R374470 R375470 R376 270 R714110K R7041 10K R821 470 R387 NC R386 NC R358 NC R368 47K R367 1K R369 2.2K R370 22K R38310K R7083 220 R7085220 R7084 220 R7082 220 R7081 220 R7075220 R7074220 R7073220 R7072220 R7070220 R7069220 R7068220 R70672

48、20 R181 NC R71341K R7034 470 R7035 220 R7037 220 R7032 220 R7031 220 R7038 2.2K R7040 220 R7039 2.2K R7036 220 R104 100K R105 NC R7030 220 R7029 220 R7028 220 R7027 220 R357 NC R353 NC R6410 2.2 1/2W R6408 R6403 331/2W R6402 10 1/2W R6407 3.3 1W R379 22K R378 22K R377 22K R381 22K R380 22K R384 220K

49、 R385 100 R382 22K R388 100 R393 NC R395 NC R394 NC R392 NC R390 NC R391 NC R389 NC R356 NC R354 NC R352 NC R350 NC R349 NC R351 NC R355 NC R361 10K R362 10K R7079INIT2 R7078 INIT1 R7077 R7055220 R7054220 R7062220K R346 NC R345 NC R816 330 R832 100K R833 100K R840 2.2K R841 2.2K R848 2.2K R849 2.2K R844 2.2K R835 100K R834 100K R836 100K R837 100K R845 2.2K R852 2.2K R853 2.2K R842 2.2K R843 2.2K R850 2.2K R851 2.2K R809 1K R810 1K R811 220 R812 220 R813 220 R814220 R807 47 R808 47 R817 330 R818 330 R819 330R82010K R80447 R80547 R80647