Onkyo-HTR508-avr-sm维修电路原理图.pdf

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1、HT-R508 SERVICE MANUALSERVICE MANUAL RC-681M AV RECEIVER MODEL HT-R508 Ref. No. 4042 042007 HT-R508 Silver model 230V AC, 50HzS MPP HT-R508 for HT-S508 Silver model 230V AC, 50HzS MPP SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE C

2、RITICAL 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 THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO

3、 THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 EXPLODED VIEWS-1 HT-R508 A002 x 5 pcs. A061 x 6 pcs. A012 x 2 pcs. A017 x 2 pcs. A021 x 4 pcs. A065 x 4 pcs. A068 x 4 pcs. A066 x 4 pcs. A020 x 2 pcs. A096 x 3 pcs. A089 x 3 pcs. A030 x 4 pcs. A013 x 7 pcs. A044 x 2 pcs. A043 x 2 pcs. A001 A073 A016 A027 A018 F

4、6901 F901 F901C F6902 P101 P901 A093 A039 A046 A039 U01 U02 U07 U08 U04 U11 U12 U15 U14 U05 U06 U10 U09 U03 A037 A072 A044 A044 A022 A040 A050 A041 A042 A048 A039 A055 A056 A057 A083 A077 A003 A060 P701 A031 A033 A029 A028 T901 A102 A071 A043 x 2 pcs. A011 x 6 pcs. A039 A045 A045 P6601A x 14 pcs. A0

5、97 A046 x 2 pcs. A075 A062 A069 Refer to EXPLODED VIEWS-2 HT-R508 RadioFans.CN 收音机爱 好者资料库 EXPLODED VIEWS-2 HT-R508 HT-R508 Q6054 Q6064 Q6053 Q6063 Q6052 Q6062 Q6051 Q6061 Q6050 Q6060 Q6050A Q6050B x 4 pcs. A049 x 10 pcs. Q6050A EXPLODED VIEWS-2 HT-R508 HT-R508 Q6054 Q6064 Q6053 Q6063 Q6052 Q6062 Q60

6、51 Q6061 Q6050 Q6060 Q6050A Q6050B x 4 pcs. A049 x 10 pcs. Q6050A BLOCK DIAGRAMS-1 AUDIO SECTION HT-R508HT-R508 MAIN L MAIN R SUB L SUB R REC L REC R AMUT FRL CSRL FRONT SPEAKERS CENTER SPEAKER POWER AMPLIFIER +29dB +29dB +29dB +29dB +29dB VCR/DVR IN VCR/DVR OUT CBL/SAT IN TAPE IN TAPE OUT CD SETUP

7、MIC (FRONT) MIC AMP MIC DETECT TONE TONE DIR 2ch ADC - - CS42518 8ch DAC INVERTING INVERTING FRONT CENTER SURROUND TUNER UNIT PHONES LPF LPF LPF LPF LPF LPF 16M bit SD_RAM FLASH MEMORY 4M Bit DSP D707E001BRFP250 OPTICAL COAXIAL MICRO CONTROLLER HDMI IN1 IN2 OUT SW HDMI RI INTERFACE RI PREOUT SUBWOOF

8、ER AUX INPUT (FRONT) + 25k25k 25k25k 25k25k25k 25k25k25k 25k 25k25k25k25k25k L R SURROUND SPEAKERS L R MUTING MICROPROCESSOR DVD (MULTI IN) SUBWOOFER L R L R 1 1 2 RELAY RELAY ES29LV400M12L16161A 2 L R L R L R L R L R L R L R DIGITAL IN Q701 M30624MHP Q281Q282 Q201 40 59 60 L R 61 62 55 56 53 54 Q55

9、01 R2S15211FP SELECTOR / VOLUME L R 37 36 49 50 47 48 45 46 71 72 67 68 Q341 14 13 15 16 Q301 19FL 17FR 7 14 C SL Q5630 12 9 SR SW 73 74 Q5503 75 30 77 33 78 32 76 31 FL FR C SL SR SW FR FL C SW SL SR 31 30 32 33 36 37 35 34 28 29 27 26 A 1 2 3 4 5 BCDEFGH BLOCK DIAGRAMS-1 AUDIO SECTION HT-R508HT-R5

10、08 MAIN L MAIN R SUB L SUB R REC L REC R AMUT FRL CSRL FRONT SPEAKERS CENTER SPEAKER POWER AMPLIFIER +29dB +29dB +29dB +29dB +29dB VCR/DVR IN VCR/DVR OUT CBL/SAT IN TAPE IN TAPE OUT CD SETUP MIC (FRONT) MIC AMP MIC DETECT TONE TONE DIR 2ch ADC - - CS42518 8ch DAC INVERTING INVERTING FRONT CENTER SUR

11、ROUND TUNER UNIT PHONES LPF LPF LPF LPF LPF LPF 16M bit SD_RAM FLASH MEMORY 4M Bit DSP D707E001BRFP250 OPTICAL COAXIAL MICRO CONTROLLER HDMI IN1 IN2 OUT SW HDMI RI INTERFACE RI PREOUT SUBWOOFER AUX INPUT (FRONT) + 25k25k 25k25k 25k25k25k 25k25k25k 25k 25k25k25k25k25k L R SURROUND SPEAKERS L R MUTING

12、 MICROPROCESSOR DVD (MULTI IN) SUBWOOFER L R L R 1 1 2 RELAY RELAY ES29LV400M12L16161A 2 L R L R L R L R L R L R L R DIGITAL IN Q701 M30624MHP Q281Q282 Q201 40 59 60 L R 61 62 55 56 53 54 Q5501 R2S15211FP SELECTOR / VOLUME L R 37 36 49 50 47 48 45 46 71 72 67 68 Q341 14 13 15 16 Q301 19FL 17FR 7 14

13、C SL Q5630 12 9 SR SW 73 74 Q5503 75 30 77 33 78 32 76 31 FL FR C SL SR SW FR FL C SW SL SR 31 30 32 33 36 37 35 34 28 29 27 26 A 1 2 3 4 5 BCDEFGH BLOCK DIAGRAMS-1 AUDIO SECTION HT-R508 MAIN L MAIN R SUB L SUB R REC L REC R AMUT FRL CSRL FRONT SPEAKERS CENTER SPEAKER POWER AMPLIFIER +29dB +29dB +29

14、dB +29dB +29dB VCR/DVR IN VCR/DVR OUT CBL/SAT IN TAPE IN TAPE OUT CD SETUP MIC (FRONT) MIC AMP MIC DETECT TONE TONE DIR 2ch ADC - - CS42518 8ch DAC INVERTING INVERTING FRONT CENTER SURROUND TUNER UNIT PHONES LPF LPF LPF LPF LPF LPF 16M bit SD_RAM FLASH MEMORY 4M Bit DSP D707E001BRFP250 OPTICAL COAXI

15、AL MICRO CONTROLLER HDMI IN1 IN2 OUT SW HDMI RI INTERFACE RI PREOUT SUBWOOFER AUX INPUT (FRONT) + 25k25k 25k25k 25k25k25k 25k25k25k 25k 25k25k25k25k25k L R SURROUND SPEAKERS L R MUTING MICROPROCESSOR DVD (MULTI IN) SUBWOOFER L R L R 1 1 2 RELAY RELAY ES29LV400M12L16161A 2 L R L R L R L R L R L R L R

16、 DIGITAL IN Q701 M30624MHP Q281Q282 Q201 40 59 60 L R 61 62 55 56 53 54 Q5501 R2S15211FP SELECTOR / VOLUME L R 37 36 49 50 47 48 45 46 71 72 67 68 Q341 14 13 15 16 Q301 19FL 17FR 7 14 C SL Q5630 12 9 SR SW 73 74 Q5503 75 30 77 33 78 32 76 31 FL FR C SL SR SW FR FL C SW SL SR 31 30 32 33 36 37 35 34

17、28 29 27 26 A 1 2 3 4 5 BCDEFGH HT-R508 HT-R508 BLOCK DIAGRAMS-2 VIDEO SECTION C Y V VIDEO BOARD CB Y Y VCR/DVR IN CBL/SAT IN YC YC YC CB CR Y COMPONENT VIDEO VCR/DVR OUT Y CY C MONITOR OUT MONITOR OUT VIDEO (COMPOSITE) S VIDEO CR CR/PR CB/PB SDET M-SDET AN-15881A 6dB 6dB 75 75 75 6dB 6dB 6dB 75 75

18、75 75 75 75 75 75 SDET SDET SDET SDET SELV1 SELV1 SDET SDET SELV1 75 0dB 6dB NAVD-9178 OUT VCR/DVR OUT DVD IN Y CR/PR CB/PB COMPONENT VIDEO Y CR/PR CB/PB Y CR/PR CB/PB VIDEO (COMPOSITE) S VIDEO DVD IN VCR/DVR IN CBL/SAT IN AUX IN (FRONT) DVD IN VCR/DVR IN CBL/SAT IN VIDEO SWITCH Q4002 A 1 2 3 4 BCDE

19、 SCHEMATIC DIAGRAMS-1 AUDIO INPUT SECTION HT-R508HT-R508 DMIXR L_OUT SW_OUT +12VTRG +22V GND_TRG SL_OUT SR_OUT R_OUT SW_OUT1 Z2_R DAC_FL DMIXL DAC_SW Z2_L C_OUT C_OUT L_OUT R_OUT SL_OUT SR_OUT -12V +12V DAC_FR MIC TUPACK_R VIDEO4_L RI AD_L AD_R -12V GND_A VOL_CLK VOL_DATA +12V GND_D SEC1H PROTECT PR

20、OTECT SEC1H VOLH VOLH AMUT DAC_SBR1 DAC_SBL1 SIRIUS_R SIRIUS_L GND_A XM_R XM_L +12V -12V TUPACK_L VIDEO4_R GND_A IR +5.6IR GND_IR TZ2 Z2MUT SB/PREMUTE DAC_FL1 DAC_SW1 DAC_C1 DAC_FR1 DAC_SL1 SR SL R L C GND_S1 GND +22V -22V GND_TU S1L+ S1L- GND_E DAC_SR1 Downmix NC PREOUT RELAY RI CD OUT IN CBL/SAT I

21、N OUT VCR/DVR Subwoofer +/-12V Supply SURROUND FRONT DVD (MULTI IN) +/-7V Supply SUBWOOFER J5063 NC To NADG-9177 (SD-3 : A3) NC C5603 47/50 Q5503A NJM4580M-D 1 2 3 4 R5593 1.2K R5590 10K R5594 10K R5592 470 R5595 10K R5591 10K C555647/25 C555747/25 C555847/25 C5559 474J C5561223J R5631 47K R5630 220

22、 R5632 15K R5633 1.2K R5634 10K Q5630A NJM4580M-D 3 2 1 4 Q5630B NJM4580M-D 5 6 8 7 C5552 NC C555347/25 C555447/25 C555547/25 D9001 D9003D9004 C5671 10/50 R5814 NC R5813 NC R5623 0 R5624 0 R5613 2.2K C5608 47/50 R5608 220K R5616 2.2K R5606 220K R5607 220K R5615 2.2K C5605 47/50 R5614 2.2K C5604 47/5

23、0 R5604 220K R5605 220K R5603 220K R5600 220K R5618 2.2K R5609 220K P6221 22 24 21 2 10 1 C6226 104Z R6226 100K R6222 10K R6223 10K R6224 3.3K C6221 223K C6227 104Z R6227 3.3 D6222D6221 Q6223 RN1402 3 1 2 Q6222 RN1402 3 1 2 R6228 1K Q6227 RN1402 1 32 Q6226 2SB1068-U 3 1 2 R5617 2.2K R5627 0 C5606 47

24、/50 C5607 47/50 R5610 270 R5620 100 R5625 0 R5626 0 R5506 330 R5507 330 R5508 330 R5513 330 R5514 330 R5515 330 R5516 330 R5517 330 C5507 221J C5508 221J C5513 221J C5514 221J C5515 NC C5516 NC R5518 330 RL5700 8 10 5 3 121 4 9 Q5503BM-D NJM4580 7 8 6 5 R5599 10K C5631 221J R5596 470 R5597 1.2K R550

25、4 330 R5505 330C5505 NC C5506 NC C5504 221K R5519 330 R5520 330 R5521 330 R5522 330 R5523 330 C5522 221J C5523 221J C5521 221J R5524 330 R5619 2.2K C5609 47/50 R5543 220K R5544 220K R5545 220K R5546 220K R5547 220K R5548 220K R5553 220K R5554 220K R5555 220K R5556 220K R5557 220K R5558 220K R5559 22

26、0K R5560 220K R5561 220K R5562 220K R5563 220K R5564 220K Q5700 RN1402 D5700 1SS133 R5668 22 Q5501 R2S15211FP 64 64 : INL9 63 63 : INR9 62 62 : INLA/RECL1 61 61 : INRA/RECR1 60INL8 59INR8 58INL7 57INR7 56INL6 55INR6 54INL5 53INR5 52INL4 51INR4 50INL3 49INR3 48INL2 47INR2 46INL1 45INR1 44AVEE 43CLOCK

27、 42 42 : DATA 41 43 : DGND 40MONO 39SUBL 38SUBR 37ADCR 36ADCL 35FRIN2 34FLIN2 33SRIN2 32SLIN2 31SWIN2 30CIN2 29SBRIN2 28SBLIN2 27TRE_R 26 BASS_R2 25BASS_R1 24 AVCC : 24 23 TRE_L : 23 22 BASS_L2 : 22 21 BASS_L1 : 21 20 FRC 19 FROUT 18 AGND 17 FLOUT 16 FLC 15 6-C 14 6-OUT 13 AGND 12 5-OUT 11 5-C 10 4-

28、C 9 4-OUT 8 AGND 7 3-OUT 6 3-C 5 2-C 4 2-OUT : 4 3 AGND : 3 2 1-OUT : 2 1 1-C : 1 80 SBRIN1 79 SBLIN1 78 SRIN1 77 SLIN1 76 SWIN1 75 CIN1 74 FRIN1 73 FLIN1 72 RECL3 71 RECR3 70 INL11/RECL5 69 INR11/RECR5 68 INL10/RECL4 67 INR10/RECR4 66 INLB/RECL2 65 INRB/RECR2 (Botom view) R6221 100 Q6221 PC817X C62

29、29 104Z C5551 NC C5700 103Z C5666 220/25 R5667 22 R5666 22 R5575 220K R5579 220K R5576 220K R5580 220K R5581 220K R5583 220K R5582 220K P5505 P7900 P301 1 2 3 4 5 6 C5667 220/25 C5670 10/50 C5672 220/25 C5673 220/25 P302 1 2 3 4 5 6 7 8 9 10 11 12 13 14 JL5502A 1 2 3 4 5 6 7 P303 14 13 12 11 10 9 8

30、7 6 5 4 3 2 1 C5630 47/50 P7904 10 P7905 P7906 R5571 R5500 330 C5600 100/25 C6222 100/25 + C5503 221K C5564 223J C5517 221J C5590 330J R5598 10K C5591 330J C5518 221J C5519 221K C5520 221K C5524 221K C5632 103J P7908 Q5671 79M12 3 O 2 I 1 G Q5670 78M12 3 O 2G 1 I R5503 330 D5708 D5718 C9003 1000/35

31、C9004 1000/35 R5673 (2W)68 R5671 (2W)68 D5671 MTZJ6.2C D5673 1SS133 1 D5672 MTZJ6.2C D5674 1SS133 1 D9002 C9001 334J P6991 R5585 1.8K C5560823J R5586 1.8K C5562 474J C5563 823J R5674 82(1W) R5675 82(1W) R5589 1K C5531 R5531 100 C5674 470/16 C5675 470/16 R5672 (2W)47 R5670 (2W)47 R5660 (1W)2.2 R5661

32、(1W)2.2 Q5600RN1441 Q5603 RN1441 Q5604 RN1441 Q5605 RN1441 Q5606 RN1441 Q5607 RN1441 Q5610 RN1441 Q5613NC Q5614 NCQ5615 NC Q5616 NC Q5617 NC Q5609 RN1441 Q5608 RN1441 P7902 C5566 47/25 C5565 47/25 R5577 47K R5578 47K R558710K R558810K R5680NC R5681220K R5682NC C556947/50 C557647/50 C557047/50 C55714

33、7/50 C557447/50 C557547/50 C557247/50 C557347/50 C5708 222K C5707 P304 3 2 1 To NADG-9177 (SD-3 : A2) To NADG-9177 (SD-3 : A2) NC To NAAF-8779(2/2) (SD-2 : A3) To NAAF-8779(2/2) (SD-2 : D4) To NAAF-8779(2/2) (SD-2 : B5) D9001 - 9004 : RL1N4003 NC NC PREOUT TAPE IN NAAF-8779(1/2) U01 AMPLIFIER PC BOA

34、RD SUBWOOFER CENTER R L R L R L R L R L R L R L R L SELECTOR / VOLUME NC = No mount of parts. SD-Z : XY Location of connected terminal in schematic diagrams. SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5. FRONT Lch FRONT Rch NC NC NC A 1 2 3 4 5 BCDEFGH SCHEMATIC DIAGRAMS-1 AUDIO INPUT SECTION

35、 HT-R508HT-R508 DMIXR L_OUT SW_OUT +12VTRG +22V GND_TRG SL_OUT SR_OUT R_OUT SW_OUT1 Z2_R DAC_FL DMIXL DAC_SW Z2_L C_OUT C_OUT L_OUT R_OUT SL_OUT SR_OUT -12V +12V DAC_FR MIC TUPACK_R VIDEO4_L RI AD_L AD_R -12V GND_A VOL_CLK VOL_DATA +12V GND_D SEC1H PROTECT PROTECT SEC1H VOLH VOLH AMUT DAC_SBR1 DAC_S

36、BL1 SIRIUS_R SIRIUS_L GND_A XM_R XM_L +12V -12V TUPACK_L VIDEO4_R GND_A IR +5.6IR GND_IR TZ2 Z2MUT SB/PREMUTE DAC_FL1 DAC_SW1 DAC_C1 DAC_FR1 DAC_SL1 SR SL R L C GND_S1 GND +22V -22V GND_TU S1L+ S1L- GND_E DAC_SR1 Downmix NC PREOUT RELAY RI CD OUT IN CBL/SAT IN OUT VCR/DVR Subwoofer +/-12V Supply SUR

37、ROUND FRONT DVD (MULTI IN) +/-7V Supply SUBWOOFER J5063 NC To NADG-9177 (SD-3 : A3) NC C5603 47/50 Q5503A NJM4580M-D 1 2 3 4 R5593 1.2K R5590 10K R5594 10K R5592 470 R5595 10K R5591 10K C555647/25 C555747/25 C555847/25 C5559 474J C5561223J R5631 47K R5630 220 R5632 15K R5633 1.2K R5634 10K Q5630A NJ

38、M4580M-D 3 2 1 4 Q5630B NJM4580M-D 5 6 8 7 C5552 NC C555347/25 C555447/25 C555547/25 D9001 D9003D9004 C5671 10/50 R5814 NC R5813 NC R5623 0 R5624 0 R5613 2.2K C5608 47/50 R5608 220K R5616 2.2K R5606 220K R5607 220K R5615 2.2K C5605 47/50 R5614 2.2K C5604 47/50 R5604 220K R5605 220K R5603 220K R5600

39、220K R5618 2.2K R5609 220K P6221 22 24 21 2 10 1 C6226 104Z R6226 100K R6222 10K R6223 10K R6224 3.3K C6221 223K C6227 104Z R6227 3.3 D6222D6221 Q6223 RN1402 3 1 2 Q6222 RN1402 3 1 2 R6228 1K Q6227 RN1402 1 32 Q6226 2SB1068-U 3 1 2 R5617 2.2K R5627 0 C5606 47/50 C5607 47/50 R5610 270 R5620 100 R5625

40、 0 R5626 0 R5506 330 R5507 330 R5508 330 R5513 330 R5514 330 R5515 330 R5516 330 R5517 330 C5507 221J C5508 221J C5513 221J C5514 221J C5515 NC C5516 NC R5518 330 RL5700 8 10 5 3 121 4 9 Q5503BM-D NJM4580 7 8 6 5 R5599 10K C5631 221J R5596 470 R5597 1.2K R5504 330 R5505 330C5505 NC C5506 NC C5504 22

41、1K R5519 330 R5520 330 R5521 330 R5522 330 R5523 330 C5522 221J C5523 221J C5521 221J R5524 330 R5619 2.2K C5609 47/50 R5543 220K R5544 220K R5545 220K R5546 220K R5547 220K R5548 220K R5553 220K R5554 220K R5555 220K R5556 220K R5557 220K R5558 220K R5559 220K R5560 220K R5561 220K R5562 220K R5563

42、 220K R5564 220K Q5700 RN1402 D5700 1SS133 R5668 22 Q5501 R2S15211FP 64 64 : INL9 63 63 : INR9 62 62 : INLA/RECL1 61 61 : INRA/RECR1 60INL8 59INR8 58INL7 57INR7 56INL6 55INR6 54INL5 53INR5 52INL4 51INR4 50INL3 49INR3 48INL2 47INR2 46INL1 45INR1 44AVEE 43CLOCK 42 42 : DATA 41 43 : DGND 40MONO 39SUBL

43、38SUBR 37ADCR 36ADCL 35FRIN2 34FLIN2 33SRIN2 32SLIN2 31SWIN2 30CIN2 29SBRIN2 28SBLIN2 27TRE_R 26 BASS_R2 25BASS_R1 24 AVCC : 24 23 TRE_L : 23 22 BASS_L2 : 22 21 BASS_L1 : 21 20 FRC 19 FROUT 18 AGND 17 FLOUT 16 FLC 15 6-C 14 6-OUT 13 AGND 12 5-OUT 11 5-C 10 4-C 9 4-OUT 8 AGND 7 3-OUT 6 3-C 5 2-C 4 2-

44、OUT : 4 3 AGND : 3 2 1-OUT : 2 1 1-C : 1 80 SBRIN1 79 SBLIN1 78 SRIN1 77 SLIN1 76 SWIN1 75 CIN1 74 FRIN1 73 FLIN1 72 RECL3 71 RECR3 70 INL11/RECL5 69 INR11/RECR5 68 INL10/RECL4 67 INR10/RECR4 66 INLB/RECL2 65 INRB/RECR2 (Botom view) R6221 100 Q6221 PC817X C6229 104Z C5551 NC C5700 103Z C5666 220/25

45、R5667 22 R5666 22 R5575 220K R5579 220K R5576 220K R5580 220K R5581 220K R5583 220K R5582 220K P5505 P7900 P301 1 2 3 4 5 6 C5667 220/25 C5670 10/50 C5672 220/25 C5673 220/25 P302 1 2 3 4 5 6 7 8 9 10 11 12 13 14 JL5502A 1 2 3 4 5 6 7 P303 14 13 12 11 10 9 8 7 6 5 4 3 2 1 C5630 47/50 P7904 10 P7905

46、P7906 R5571 R5500 330 C5600 100/25 C6222 100/25 + C5503 221K C5564 223J C5517 221J C5590 330J R5598 10K C5591 330J C5518 221J C5519 221K C5520 221K C5524 221K C5632 103J P7908 Q5671 79M12 3 O 2 I 1 G Q5670 78M12 3 O 2G 1 I R5503 330 D5708 D5718 C9003 1000/35 C9004 1000/35 R5673 (2W)68 R5671 (2W)68 D

47、5671 MTZJ6.2C D5673 1SS133 1 D5672 MTZJ6.2C D5674 1SS133 1 D9002 C9001 334J P6991 R5585 1.8K C5560823J R5586 1.8K C5562 474J C5563 823J R5674 82(1W) R5675 82(1W) R5589 1K C5531 R5531 100 C5674 470/16 C5675 470/16 R5672 (2W)47 R5670 (2W)47 R5660 (1W)2.2 R5661 (1W)2.2 Q5600RN1441 Q5603 RN1441 Q5604 RN

48、1441 Q5605 RN1441 Q5606 RN1441 Q5607 RN1441 Q5610 RN1441 Q5613NC Q5614 NCQ5615 NC Q5616 NC Q5617 NC Q5609 RN1441 Q5608 RN1441 P7902 C5566 47/25 C5565 47/25 R5577 47K R5578 47K R558710K R558810K R5680NC R5681220K R5682NC C556947/50 C557647/50 C557047/50 C557147/50 C557447/50 C557547/50 C557247/50 C55

49、7347/50 C5708 222K C5707 P304 3 2 1 To NADG-9177 (SD-3 : A2) To NADG-9177 (SD-3 : A2) NC To NAAF-8779(2/2) (SD-2 : A3) To NAAF-8779(2/2) (SD-2 : D4) To NAAF-8779(2/2) (SD-2 : B5) D9001 - 9004 : RL1N4003 NC NC PREOUT TAPE IN NAAF-8779(1/2) U01 AMPLIFIER PC BOARD SUBWOOFER CENTER R L R L R L R L R L R L R L R L SELECTOR / VOLUME NC = No mount of parts. SD-Z : XY Location of connected terminal in schematic diagrams. SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5. FRONT Lch FRONT Rch NC NC NC A 1 2 3 4 5 BCDEFGH SCHEMATIC DIAGRAMS-1 AUDIO INPUT SECTION HT-R508 DMI