Onkyo-TXSR506-avr-sm维修电路原理图.pdf

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1、TX-SR506 SERVICE MANUALSERVICE MANUAL ON/STANDBY STANDBY PURE AUDIO ZONE 2 MOVIE/TVMUSICGAME TONEDISPLAYDIGITAL INPUTRT/PTY/TPMEMORY CLEAR TUNING MODEZONE 2OFF PHONES MULTI CHPURE AUDIODVDVCR/DVRCBL/SATAUXTAPETUNERCD SETUP MICVIDEOL AUDIO R AUX INPUT ENTER SETUPRETURN TUNINGPRESET MASTER VOLUME DIMM

2、ER LISTENING MODE MUSICMOVIE/TV AUDIO DISPLAY MUTINGRECEIVER INPUT SELECTOR MULTI CH RC-709M AV RECEIVER MODEL TX-SR506 Ref. No. 4061 032008 Black, Silver and Golden models 120V AC, 60Hz 230V AC, 50Hz 220V AC, 50/60Hz 120/220-240V AC, 50/60Hz B MDD, S MDD, B MDC B MPP, S MPP, B MPB, S MPB G MGK, G M

3、GQ, G MGR B MWO, S MWO, G MWT, G MWF 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 PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAK

4、AGE-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 TX-SR506 EXPLODED VIEWS-1 TX-SR506 A001 A039 A039 A040 A041 A042 A047 A047 A048 A044 A044 A022 A102 A109 A10

5、4 A103A052 A055 A073 A074 A075 A077 A003 A076 A060 A016 A072 A031 U01 U10 U11 U12 U30 U36 U37 U42 U45 U13 U14 U02 U03 U04 U17 A033 A035 A093 F6901 F6902 F901 P101 T901 P901 P701 A037 A013 x 8 pcs. A083 A004 A002 x 5 pcs. A089 x 3 pcs. A020 x 2 pcs. A066 x 4 pcs. A096 x 4 pcs. A097 x 31 pcs. A068 x 8

6、 pcs. A071 x 3 pcs. A021 x 5 pcs. A030 x 4 pcs. A018 x 3 pcs. A043 x 2 pcs. A044 x 2 pcs. A043 x 2 pcs. A046 x 2 pcs. A005 x 2 pcs. A011 x 18 pcs. A012 x 3 pcs. A050 A039 x 2 pcs. A062 x 2 pcs. A061 x 6 pcs. A072 Type only A080 x 8 pcs.P691 P692 F901C P6601A x 14 pcs. A039 A067 x 4 pcs. F902 Except

7、type Refer to EXPLODED VIEWS-2 RadioFans.CN 收音机爱 好者资料库 TX-SR506 EXPLODED VIEWS-2 TX-SR506 Q6056 Q6066 Q6055 Q6065 Q6054 Q6064 Q6053 Q6063 Q6052 Q6062 Q6051 Q6061 Q6050 Q6060 Q6050A x 2 pcs. Q6050B x 6 pcs. A049 x 14 pcs. TX-SR506 BLOCK DIAGRAMS-1 AUDIO SECTION TX-SR506 Z2RL SBRL FRL MAIN R SUB L SUB

8、 R REC L REC R MAIN L AMUT SBMUT Z2MUT SBRELAY I2S(DVD-AUDIO_CLK) I2S(DIR_CLK) SPDIF I2S(DVD-AUDIO)/DSD Preout_Mut I2S(DVD-AUDIO_DATA)/DSD CSRL FRONT SPEAKERS CENTER SPEAKER L R SURROUND BACK SPEAKERS L R POWER AMPLIFIER +29dB +29dB +29dB +29dB +29dB +29dB +29dB TAPE IN TAPE OUT CD IN TONE TONE DIR

9、2ch ADC - - SBL SBR SL SR 8ch DAC INVERTING INVERTING PHONES LPF LPF LPF LPF LPF LPF LPF LPF ZONE2 OUT GAME/TV IN AUX IN (FRONT IN) TUNER UNIT MICDET MIC AMP SETUP MIC ZONE2 PREOUT / LINEOUT FL FR C PREOUT CBL/SAT IN VCR/DVR OUT VCR/DVR IN R CENTER L COAXIAL Q301 CS42518 1 (DVD) NC NC NC Q201 D788E0

10、01BRFP266 DSP RI RI 12V TRIGGER CONTROL IR REMOTE SENSOR TRANSMITTERS RS232 E-CON INTERFACE INTERFACE TC74VHCT157FT Except 506/560/518 Except 506/560/518 Except 506/560/518 SIRIUS DOCK NC OPTICAL OUT OUT IN1 IN3 IN2 HDMI PASS THROUGH 0dB FIX 0dB FIX TONE TONE L R 0dB FIX 0dB FIX TONE TONE MCH SB MCH

11、 SB SUB SUB L R NC Q282 ES29LV160ET-70TG FLASH MEMORY (DSP ROM) Q281 IS42S16400 SDRAM 12V TRIGGER A 12V TRIGGER B 12V TRIGGER C IR OUT IR IN IR IN RS232 NC NC ZONE 2 SPEAKERS To MICROPROCESSOR NC 9 10 6 7 28 29 26 27 49 46 45 50 13 14 15 16 43 42 44 48 47 117 116 120 141 139 62 55 56 53 54 51 52 49

12、50 47 48 45 46 71 72 69 70 67 68 75 30 31 76 21 20 22 23 65 61 64 40 57 58 59 60 63 66 38 39 36 37 19 20 17 18 14 15 12 11 4 5 2 1 74 35 73 34 78 33 77 32 80 29 79 28 32 33 31 30 36 37 35 34 63 62 64 1 61 60 54 115 113 137 138 135 + 25k25k25k25k25k25k25k25k25k25k25k25k25k25k25k25k + DVD (MULTI IN) F

13、RONT SUBWOOFER R SURROUND BACK DIGITAL IN 2 (CBL/SAT) 1 (VCR/DVR) 2 (CD) L R SURROUND SPEAKERS NC HDMI R L NC NC SUBWOOFER L R SURROUND L R L NC TUNER Q501 R2S15211FP SELECTOR / TONE / VOLUME A 1 2 3 4 5 BCDEFGH TX-SR506 BLOCK DIAGRAMS-1 AUDIO SECTION TX-SR506 Z2RL SBRL FRL MAIN R SUB L SUB R REC L

14、REC R MAIN L AMUT SBMUT Z2MUT SBRELAY I2S(DVD-AUDIO_CLK) I2S(DIR_CLK) SPDIF I2S(DVD-AUDIO)/DSD Preout_Mut I2S(DVD-AUDIO_DATA)/DSD CSRL FRONT SPEAKERS CENTER SPEAKER L R SURROUND BACK SPEAKERS L R POWER AMPLIFIER +29dB +29dB +29dB +29dB +29dB +29dB +29dB TAPE IN TAPE OUT CD IN TONE TONE DIR 2ch ADC -

15、 - SBL SBR SL SR 8ch DAC INVERTING INVERTING PHONES LPF LPF LPF LPF LPF LPF LPF LPF ZONE2 OUT GAME/TV IN AUX IN (FRONT IN) TUNER UNIT MICDET MIC AMP SETUP MIC ZONE2 PREOUT / LINEOUT FL FR C PREOUT CBL/SAT IN VCR/DVR OUT VCR/DVR IN R CENTER L COAXIAL Q301 CS42518 1 (DVD) NC NC NC Q201 D788E001BRFP266

16、 DSP RI RI 12V TRIGGER CONTROL IR REMOTE SENSOR TRANSMITTERS RS232 E-CON INTERFACE INTERFACE TC74VHCT157FT Except 506/560/518 Except 506/560/518 Except 506/560/518 SIRIUS DOCK NC OPTICAL OUT OUT IN1 IN3 IN2 HDMI PASS THROUGH 0dB FIX 0dB FIX TONE TONE L R 0dB FIX 0dB FIX TONE TONE MCH SB MCH SB SUB S

17、UB L R NC Q282 ES29LV160ET-70TG FLASH MEMORY (DSP ROM) Q281 IS42S16400 SDRAM 12V TRIGGER A 12V TRIGGER B 12V TRIGGER C IR OUT IR IN IR IN RS232 NC NC ZONE 2 SPEAKERS To MICROPROCESSOR NC 9 10 6 7 28 29 26 27 49 46 45 50 13 14 15 16 43 42 44 48 47 117 116 120 141 139 62 55 56 53 54 51 52 49 50 47 48

18、45 46 71 72 69 70 67 68 75 30 31 76 21 20 22 23 65 61 64 40 57 58 59 60 63 66 38 39 36 37 19 20 17 18 14 15 12 11 4 5 2 1 74 35 73 34 78 33 77 32 80 29 79 28 32 33 31 30 36 37 35 34 63 62 64 1 61 60 54 115 113 137 138 135 + 25k25k25k25k25k25k25k25k25k25k25k25k25k25k25k25k + DVD (MULTI IN) FRONT SUBW

19、OOFER R SURROUND BACK DIGITAL IN 2 (CBL/SAT) 1 (VCR/DVR) 2 (CD) L R SURROUND SPEAKERS NC HDMI R L NC NC SUBWOOFER L R SURROUND L R L NC TUNER Q501 R2S15211FP SELECTOR / TONE / VOLUME A 1 2 3 4 5 BCDEFGH TX-SR506 BLOCK DIAGRAMS-2 VIDEO / HDMI SECTION S3 S4 S5 S6 S7 S8 S2 S1 MUTE C YC YC Y DVD VCR/DVR

20、 CBL/SAT YC NC DVD VCR/DVR CBL/SAT NC AUX1 (FRONT) CB CR Y CB CR Y COMPOSITE VIDEO INPUT SC SY CV PR PB PY Q3001 AN15880A-VT VIDEO SWITCH Y VCR/DVR C CY MONITOR MONITOR VCR/DVR COMPOSITE VIDEO OUTPUT Y CB CR S VIDEO OUTPUT COMPONENT VIDEO OUTPUT COMPONENT VIDEO INPUT S VIDEO INPUT DRV DRV DRV DRV DR

21、V DRV DRV DRV DRV DRV DRV DRV DRV DRV DRV 4/6dB 6dB 4/6dB 4/6dB 6dB 6dB 6dB HPD1 RPWR1 DDC1 TMDS1 CEC CEC CEC TMDS3 DDC3 RPWR3 HPD3 DDC2 RPWR2 HPD2 TMDS2TMDS DDC RPWR HPD I2C HDMI IN 2 HDMI IN 1 Q8001 TMDS341A HDMI SWITCH +5V Reg HDMI OUT HDMI IN 3 HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS HP

22、DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS NAHDM-9475 NAVD-9467 IN 1 IN 2 A 1 2 3 4 5 BCD TX-SR506 SCHEMATIC DIAGRAMS-1 (SD-1) AUDIO INPUT SECTION TX-SR506 FRONT L FRONT R AUDIO ANALOG SIGNAL 2.2K NC = No mount of parts. SD-Z : XY Location of connected terminal in schematic diagrams. SD-Z = Schema

23、tic diagrams-Z. X = A to H, Y = 1 to 5. THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS A

24、RE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTH

25、ERWISE NOTED. THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE U01 AMPLIFIER PC BOARD SW_OUT DAC_FL C_OUT L_OUT R_OUT SL_OUT SR_OUT SBL_OUT SBR_OUT GND_E SBR SBL SR SL R L C +15V L_OUT SL_OUT SR_OUT R_OUT SW_OUT1 S

26、BR_OUT SBL_OUT C_OUT +22V +22V -22V S1L+ S1L- GND_S1 GND Z2_R Z2_L SIRIUS_R SIRIUS_L XM_R XM_L -15V +15V iPOD_R iPOD_L VOL_CLK VOL_DATA SEC1H PROTECT VOLH AMUT DAC_FL DAC_SW DAC_C DAC_FR -15VA +15VA GND_D MIC OUT TU_R V3_L RI LATD RATD TU_L V3_R GND_A GND_TU PROTECT SEC1H VOLH NC Z2_MUT SB_MUTE Z2_M

27、UTE SBZ2_MUTE DAC_SW DAC_FR GND_A GND_A DAC_SR DAC_SL DAC_SBR DAC_SBL To NAAF-9419(2/2) SD-2 B3: DOWN MIX RI CD IN TAPE OUT TAPE IN Subwoofer SURROUND BACK SURROUND FRONT CENTER DVD (MULTI IN) R L TUNER L PRE OUT SUBWOOFER NC CBL/SAT IN VCR/DVR IN VCR/DVR OUT R NC ZONE2 LINE OUT NAAF-9419(1/2) NC To

28、 NADG-9462 SD-xx : xx C5603 47/50 C5601 47/50 C5602 47/50 C6076 102J C555647/25 C555747/25 C555847/25 C5559474J C5561223J R5631 47K R5630 220 R5632 15K R5633 1.2K R5634 10K Q5630A Q5630 : NJM4580 3 2 1 4 Q5630B5 6 8 7 C555247/25 C555347/25 C555447/25 C555547/25 C5671 10/50 R5814 LIST R5813 LIST R562

29、1 LIST R5622 LIST R5623 0 R5624 0 R5613 2.2K R5612 LIST R5611 LIST 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 R5618 2.2K R5609 220K R5617 2.2K R5627 0 C5606 47/50 C5607 47/50 R5610 270 R5620 100 R5625 0 R5626 0 R5507 33

30、0 R5508 330 R5513 330 R5514 330 R5517 330 C5507 221J C5508 221J C5513 221J C5514 221J C5515 NC C5516 NC R5518 330 R5599 10K C5631 221J R5596 470 R5597 1.2K R5502 330 R5504 330 C5502 221J C5505 NC C5506 NC C5504 221K R5519 330 R5520 330 R5521 330 R5522 330 R5523 330 C5522 221J C5523 221J C5521 221J C

31、5525 221J C5526 221J R5524 330 R5525 330 R5526 330 C5609 47/50 R5501 330 R5541 220K R5542 220K 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 220K R5564 220K R5565 2

32、20K R5566 220K C555147/25 C5666 220/25 R5666 22 R5575 220K R5579 220K R5576 220K R5580 220K R5581 220K R5583 220K R5582 220K C5667 220/25 C5670 10/50 C5672 220/25 C5673 220/25 C5630 47/50 R5567 2.2K R5568 2.2K R5571 NC R5500 330 C5501 221J C5503 221K C5564 223J C5517 221J R5598 10K C5591 330J C5518

33、221J C5519 221K C5520 221K C5524 221K C5632 103J R5503 330 C6077 102J R5585 1.8K C5560 823J R5586 1.8K C5562 474J C5563 823J C5531 221J R5527 330 R5528 330 R5531 100 C5528 221J C5674 470/16 C5675 470/16 Q5601 Q5603 Q5602 Q5604 Q5605 Q5606 Q5607 Q5611 NC Q5612 NC Q5613 NC Q5614 NC Q5615 NC Q5616 NC Q

34、5617 NC Q5609 Q5608 C5566 47/25 R5577 47K R5578 47K R558710K R558810K R5680LIST R5681220K R5682LIST C6087 103J C6086 103J P7906 P7905 P7904 P7902 R5619 2.2K R5505 2.2K R5506 2.2K R5515 2.2K R5516 2.2K Q5501 R2S15211FP 64 64 : INL9 63 63 : INR9 62 62 : INLA/RECL1 61 61 : INRA/RECR1 60 INL8 59 INR8 58

35、 INL7 57 INR7 56 INL6 55 INR6 54 INL5 53 INR5 52 INL4 51 INR4 50 INL3 49 INR3 48 INL2 47 INR2 46 INL1 45 INR1 44 AVEE 43 CLOCK 42 DATA 41 40MONO 39SUBL 38SUBR 37ADCR 36ADCL 35FRIN2 34FLIN2 33SRIN2 32SLIN2 31SWIN2 30CIN2 29SBRIN2 28SBLIN2 27TRE_R 26BASS_R2 25BASS_R1 24 AVCC : 24 23 TRE_L : 23 22 BASS

36、_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-OUT 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 INR

37、11/RECR5 68 INL10/RECL4 67 INR10/RECR4 66 INLB/RECL2 65 INRB/RECR2 (Botom view) R5550 220K R5674 1W68 R5675 1W68 R5534 R5533 C5534 C5533 R5574 R5573 R5530 R5529 R5570 R5569 R5532 P7907 C5530 C5529 P7908 C5532 R5572 Q5610 R5667 22 R5683 1W68 R5684 1W68 D9003D9004 C9003 1000/35 C9004 1000/35 C9001 334

38、J R5660 1W2.2 R5661 1W2.2 D5671 UDZ6.2C D5673 1SS133 D5672 UDZ6.2C D5674 1SS133 D5704 D5714 D5705 D5715 D5706 P6602 LR R5549 220K P5505 P6991 R5678LIST R5677LIST J5246 LIST J5247 LIST C5700 RL5700 D5700 Q5700 R5668 P304 1 2 3 P7900 JL5502A 1 2 3 4 5 6 7 8 9 P302 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 P

39、303 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Q5671 79M15 3 O 2 I 1 G JL6604A 1 2 3 4 5 P7901 P301 1 2 3 R5688 NC R5686 NC R5673 2W27 R5671 2W27 R5685 NC R5687 NC C5704 221J C5705 221J C5706 221J R5590 10K R5594 10K R5592 470 R5591 10K C5590 330J R5593 1.2K R5595 10K R5589 1K Q5503A Q5503 : NJM4580 1 2 3

40、4 Q5503B 7 8 6 5 C5565 47/25 R5602 220KR5600 220K Q5600 R5601 220KR5603 220K Q5670 78M15 3 O 2G 1 I R5691220K R5692220K R5693220K R5694220K R5695220K R5689 220K R5690 220K C5600 100/25 C5709 47/25 C5710 47/25 C5573 47/50 C5572 47/50 C5575 47/50 C557447/50 C557147/50 C557047/50 C557647/50 C556947/50

41、D5718 1SS352 D5708 1SS352 D5717 1SS352 D5707 1SS352 D5716 C5527 221J R5672 2W10 R5670 2W10 C5707 103K C5708 103K D9002D9001 D5709 RL1N4003 D5719 RL1N4003 41 : DGND SUBWOOFER R L R L R L R L R L R L R L R L R L NC To NTRM-9468 SD-5 : H3 ZONE 2 SPEAKERS SELECTOR / TONE / VOLUME SD-2 : B5 HT-R518HT-R56

42、0TX-SR576TX-SR506HT-R567HT-R667HT-R960 P304 CONNECTION P302, 303 P301 JL5502A NCTo NADG-NCNC9462946294629462 To NADG- To NADG- 9457945794579462946294629462 9457945794579462946294629462 945894639463To NARF-NCNCNCNC MICROPROCESSOR PCB To NADG-9457 / 9462 SD-3 : A2 MICROPROCESSOR PCB To NADG-9457 / 946

43、2 SD-3 : A3 MICROPROCESSOR PCB To NADG-9457 / 9462 SD-3 : A3 MICROPROCESSOR PCB To NARF-9458 / 9463 SD-x : xx XM/SIRIUS/IPOD PCB HT-R518HT-R560TX-SR576TX-SR506HT-R567HT-R667HT-R960 Refer to following table about the parts displayed by mark LIST . D9001 -6004 : RL1N4003 To NAAF-9419(2/2) SD-2 : E4 MU

44、TING R5680, 5682220KNCNCNC220K220K220K R5813 R5814 0000 NCNCNC 00NCNCNCNCNC R5611, 5612NC2.2K2.2K2.2K2.2K2.2K R5621, 5622 0NC00000 R5677, 5678 J5246, 5247 15 (2W)15 (2W)15 (2W)NCNCNCNC TA20TA20TA20TA20NCNCNC AMP. PCB A C B YES YES YES YES YES YES YES YES YES YES YES YES YES YES NONE NONE NONE NONENO

45、NE NONE NONE B A C LIST SP TERMINAL PCB LIST LIST SD-2 : B3 To NAAF-9419(2/2) Q5600 - 5610 : RN1441 -14.8V +14.8V +15V +3.7V +15V -15V +6.8V -6.8V +14.8V -14.8V D LIST D NONEYESYESYESYESYESYES -23.5V +22V TA20 : Jumper wire L=20 mm A 1 2 3 4 5 BCDEFGH TX-SR506 SCHEMATIC DIAGRAMS-1 (SD-1) AUDIO INPUT

46、 SECTION TX-SR506 FRONT L FRONT R AUDIO ANALOG SIGNAL 2.2K 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. THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. V

47、OLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( )

48、ARE IN uF/WV. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED. THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT

49、. ! NOTE U01 AMPLIFIER PC BOARD SW_OUT DAC_FL C_OUT L_OUT R_OUT SL_OUT SR_OUT SBL_OUT SBR_OUT GND_E SBR SBL SR SL R L C +15V L_OUT SL_OUT SR_OUT R_OUT SW_OUT1 SBR_OUT SBL_OUT C_OUT +22V +22V -22V S1L+ S1L- GND_S1 GND Z2_R Z2_L SIRIUS_R SIRIUS_L XM_R XM_L -15V +15V iPOD_R iPOD_L VOL_CLK VOL_DATA SEC1H PROTECT VOLH AMUT DAC_FL DAC_SW DAC_C DAC_FR -15VA +15VA GND_D MIC OUT TU_R V3_L RI LATD RATD TU_L V3_R GND_A GND_TU PROTECT SEC1H VOLH NC Z2_MUT SB_MUTE Z2_MUTE SBZ2_MUTE DAC_SW DAC_FR GND_A GND_A DAC_SR DA