Onkyo-TXSR805-avr-sch 电路图 维修手册.pdf

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1、TX-SR805/SA805 BLOCK DIAGRAM-1 AUDIO SECTION TX-SR805/SA805 A 1 2 3 4 5 BCDEFGH SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL V_OUT_L V_OUT_R DAC_FR DAC FL MIX L MIX R DAC FR DAC_CT DAC_SW MCH C DAC C MCH SW DAC SW MCH SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_S

2、R MCH_SL MCH_SW MCH_CT CENTER SURR LEFT SURR RIGHT ZONE2 RIGHT VCR/DVR OUT TAPE OUT SUUR BACK FRONT RIGHT FRONT LEFT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT IN 4 IN 1 IN 2 IN 3 SUUR BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS-232C INTERFACE RS-232 Q7001 M3087BFKBGP RI RI MAIN MICROPROCESSOR INTERFACE IR

3、OUT IR IR IN 12V TRIGGER OUT /ZONE 2 12V TRIGGER CONTROL OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI REMOTE SENSOR SPEAKER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 +29dB +29dB +29dB +29dB +29dB +29dB +29

4、dB ZONE2 LEFT SBR L FRONT SURR SURR BACK R SUBWOOFER CENTER L R L R PRE OUT CD (TX-SA805 Only) TUNER (DC Type Only) TUNER UNIT TX-SR805 Only AM ANTENNA FM ANTENNA SW R L R L ZONE2 PREOUT/LINEOUT TONE R2S15211FP Q4204 0dB FIX ZONE3 PREOUT/LINEOUT ADC -6dB -6dB CS42516 Q3041 MAIN B Z2 Z3 C2 RL FL FR C

5、 SW SL SR SBL SBR Q4305 NJU7313A HEADPHONES (DVD audio,etc) NJU7311A Q4306 0dB video REC 0dB-6dB -6dB CS3318 VIDEO IN AUX 2 AUX 1 TC94A46CFG Q4029 Analog Switch Array ch12 ch11 ch10 ch9 ch8 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX NJU7313A Q4305 NJU7312A Q4304Q4405 NJU7312A 0dB FIX 0dB FIX . . . . . .

6、 1 2 3 SETUP MIC 3 2 1 OPTICAL OUT . COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR L R LR L R L R L R L R L R L R L R L R L R L R PCM1796 DAC Q3701Q3721Q3741 Q3761 Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . 2nd DSP Q3501 TMS320D788E001BRFP266 DSP B

7、LOCK 1st DSP Q3401 TMS320D790E001BZDH275 3rd DSP Q3601 TMS320D707E001BRFP250 I2S/DSD MULTIPLEXER TC74VHC157FT TC74VHC157FT Q3001 Refer to SCHEMATIC DIAGRAM-9 and -17 (SD-9 and SD-17) for digital audio signal flow wave forms. ch6 ch4 ch13 ch14 ch1 ch2 ch5 ch7 ch3 RadioFans.CN 收音机爱 好者资料库 TX-SR805/SA80

8、5 BLOCK DIAGRAM-1 AUDIO SECTION A 1 2 3 4 5 BCDEFGH SPDIF RX0 RX5 MCH SR RX6 RX7 DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL V_OUT_L V_OUT_R DAC_FR DAC FL MIX L MIX R DAC FR DAC_CT DAC_SW MCH C DAC C MCH SW DAC SW MCH SL MAIN L MAIN R DAC SL DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT CENTE

9、R SURR LEFT SURR RIGHT ZONE2 RIGHT VCR/DVR OUT TAPE OUT SUUR BACK FRONT RIGHT FRONT LEFT TAPE VCR/DVR IN CBL/SAT GAME/TV DVD OUT IN 4 IN 1 IN 2 IN 3 SUUR BACK or Bi-AMP LEFT or Bi-AMP RIGHT RS-232C INTERFACE RS-232 Q7001 M3087BFKBGP RI RI MAIN MICROPROCESSOR INTERFACE IR OUT IR IR IN 12V TRIGGER OUT

10、 /ZONE 2 12V TRIGGER CONTROL OPTICAL IN 1 DIGITAL IN (FRONT) COAX IN 2 COAX IN 1 HDMI REMOTE SENSOR SPEAKER TERMINALS 7 CH POWER AMPLIFIERS C SBL HDMI I/F FLASH ROM SD_RAM I2S DSD FL FR SL SR +20dB SW2 I2S I2S DSD PHONO OPTICAL IN 2 +29dB +29dB +29dB +29dB +29dB +29dB +29dB ZONE2 LEFT SBR L FRONT SU

11、RR SURR BACK R SUBWOOFER CENTER L R L R PRE OUT CD (TX-SA805 Only) TUNER (DC Type Only) TUNER UNIT TX-SR805 Only AM ANTENNA FM ANTENNA SW R L R L ZONE2 PREOUT/LINEOUT TONE R2S15211FP Q4204 0dB FIX ZONE3 PREOUT/LINEOUT ADC -6dB -6dB CS42516 Q3041 MAIN B Z2 Z3 C2 RL FL FR C SW SL SR SBL SBR Q4305 NJU7

12、313A HEADPHONES (DVD audio,etc) NJU7311A Q4306 0dB video REC 0dB-6dB -6dB CS3318 VIDEO IN AUX 2 AUX 1 TC94A46CFG Q4029 Analog Switch Array ch12 ch11 ch10 ch9 ch8 RIAA XM Sirrus MAIN A DIR TONE 0dB FIX NJU7313A Q4305 NJU7312A Q4304Q4405 NJU7312A 0dB FIX 0dB FIX . . . . . . 1 2 3 SETUP MIC 3 2 1 OPTIC

13、AL OUT . COAX IN 3 MULTI CHANNEL INPUT FL FR C SW SL SR SBL SBR L R LR L R L R L R L R L R L R L R L R L R L R PCM1796 DAC Q3701Q3721Q3741 Q3761 Q3781 PCM1796 DAC PCM1796 DAC PCM1796 DAC PCM1796 DAC TC74VHC157FTMULTIPLEXER . . . . 2nd DSP Q3501 TMS320D788E001BRFP266 DSP BLOCK 1st DSP Q3401 TMS320D79

14、0E001BZDH275 3rd DSP Q3601 TMS320D707E001BRFP250 I2S/DSD MULTIPLEXER TC74VHC157FT TC74VHC157FT Q3001 Refer to SCHEMATIC DIAGRAM-9 and -17 (SD-9 and SD-17) for digital audio signal flow wave forms. ch6 ch4 ch13 ch14 ch1 ch2 ch5 ch7 ch3 RadioFans.CN 收音机爱 好者资料库 TX-SR805/SA805 BLOCK DIAGRAM-2 VIDEO SECT

15、ION TX-SR805/SA805 A 1 2 3 4 5 BCDEFGH CBL/SAT VCR/DVR AUX 1 DVD GAME/TV MONITOR OUT VCR/DVR OUT MONITOR OUT VCR/DVR OUT ZONE2 OUT AUX 2 (FRONT) CBL/SAT VCR/DVR AUX 1 DVD GAME/TV AUX 2 (FRONT) C YC YC YC YC YC Y CB CR Y CB CR CR Y CB Y IN 1 IN 2 IN 3 Y CB CR C CB CR Y Y CB CR CVBS Y C HDBSC Y CVBS H

16、DBPY HDBPB HDBPB 24MHz MAX HDMI BOARD NAHDM-9107 (SD-15, 16) VIDEO BOARD NAVD-9052(SD-6) CY CY HDBCV 12MHz MAX HDBSY MONITOR OUT C-DET MAIN MAIN Z2 Z2 NOTE MMP is short for MAIN MICROPROCESSOR. S-DET Z2 S-DET VCL VDATA VSTB CONTROL NJU7312AM VCL VDATA VSTB CONTROL NJU7313AM LPF(12MHz) LPF(12MHz) LPF

17、(12MHz) LPF(6MHz) Y CB CR MAIN Z2 74HC4051 VMUT MM1512 BPF(140K-6MHz) LPF(6MHz) HDAPY HDAPB HDAPR HDACV HDASC HDASY 100MHz -3dB LPF(12MHz) LPF(12MHz) LPF(6MHz) LPF(6MHz) LPF(12MHz) BPF(140K-6MHz) 6dBDRV DRV MMPV 6dBDRV 6dBDRV 6dBDRV DRV6dB 6dBDRV . 6dB . 6dB . . 6dB 6dB 6dB . . 6dB 6dB 6dB 6dB 6dBDR

18、V 6dBDRV 75 75 75 75 75 75 6dBDRV 6dBDRV 6dBDRV 6dBDRV 6dB MMPV MMP MMP MMP S VIDEO INPUT COMPOSITE VIDEO COMPONENT VIDEO S VIDEO OUTPUT COMPOSITE VIDEO COMPOSITE VIDEO COMPONENT VIDEO Q2012,Q2013 NJM2587 Q2206 NJM2586A Q2201 NJW1321 Q2012,Q2013 NJM2587 Refer to SCHEMATIC DIAGRAM-6, -15 and -17 (SD-

19、6, SD-15 and SD-17) for video and HDMI signal waveforms. RadioFans.CN 收音机爱 好者资料库 TX-SR805/SA805 BLOCK DIAGRAM-2 VIDEO SECTION A 1 2 3 4 5 BCDEFGH CBL/SAT VCR/DVR AUX 1 DVD GAME/TV MONITOR OUT VCR/DVR OUT MONITOR OUT VCR/DVR OUT ZONE2 OUT AUX 2 (FRONT) CBL/SAT VCR/DVR AUX 1 DVD GAME/TV AUX 2 (FRONT)

20、C YC YC YC YC YC Y CB CR Y CB CR CR Y CB Y IN 1 IN 2 IN 3 Y CB CR C CB CR Y Y CB CR CVBS Y C HDBSC Y CVBS HDBPY HDBPB HDBPB 24MHz MAX HDMI BOARD NAHDM-9107 (SD-15, 16) VIDEO BOARD NAVD-9052(SD-6) CY CY HDBCV 12MHz MAX HDBSY MONITOR OUT C-DET MAIN MAIN Z2 Z2 NOTE MMP is short for MAIN MICROPROCESSOR.

21、 S-DET Z2 S-DET VCL VDATA VSTB CONTROL NJU7312AM VCL VDATA VSTB CONTROL NJU7313AM LPF(12MHz) LPF(12MHz) LPF(12MHz) LPF(6MHz) Y CB CR MAIN Z2 74HC4051 VMUT MM1512 BPF(140K-6MHz) LPF(6MHz) HDAPY HDAPB HDAPR HDACV HDASC HDASY 100MHz -3dB LPF(12MHz) LPF(12MHz) LPF(6MHz) LPF(6MHz) LPF(12MHz) BPF(140K-6MH

22、z) 6dBDRV DRV MMPV 6dBDRV 6dBDRV 6dBDRV DRV6dB 6dBDRV . 6dB . 6dB . . 6dB 6dB 6dB . . 6dB 6dB 6dB 6dB 6dBDRV 6dBDRV 75 75 75 75 75 75 6dBDRV 6dBDRV 6dBDRV 6dBDRV 6dB MMPV MMP MMP MMP S VIDEO INPUT COMPOSITE VIDEO COMPONENT VIDEO S VIDEO OUTPUT COMPOSITE VIDEO COMPOSITE VIDEO COMPONENT VIDEO Q2012,Q2

23、013 NJM2587 Q2206 NJM2586A Q2201 NJW1321 Q2012,Q2013 NJM2587 Refer to SCHEMATIC DIAGRAM-6, -15 and -17 (SD-6, SD-15 and SD-17) for video and HDMI signal waveforms. TX-SR805/SA805 SCHEMATIC DIAGRAM-1 (SD-1) AUDIO SECTION-1 TX-SR805/SA805 A 1 2 3 4 5 BCDEFGH Z3MUTE Z2MUTE BTLR BTLL MainBR MainBL MainA

24、R SELSTB SELSDO SELCLK TU_R XM_R XM_L TU_L XM_R XM_L PZ2R PZ2L Z2VOLCLK Z2VOLSDO -15V MainAL TUMUTE -15VCD MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_C MCH_SR MCH_SBL MCH_SBR MCH_SW MCH_C VIDEO5R VIDEO5L TAPEOUTL TAPEOUTR VIDEOOUTL VIDEOOUTR GND SR_R SR_L +15V +15V GND Z2R Z2L Z3R Z3L MCH_SL SURROUND

25、SURROUND BACK FRONT MULTI CH INPUT PHONO L ZONE 2 PRE OUT/LINE OUT R L ZONE 3 PRE OUT/LINE OUT R TAPE TAPE OUT CD TUNER AUX1 GAME/TV DVD CBL/SAT VCR/DVR OUT VCR/DVR IN TX-SR805 Only TX-SA805 Only (TX-SA805 Only) NAASP-9051 R4606 330 R4616 56K R4607 330 R4617 56K C4614 47/50 R4604 330 R4614 56K R4624

26、 220K C4615 47/50 R4605 330 R4615 56K R4625 220K C4624 47/50 R4634 220K C4625 47/50 R4635 220K R4602 330 R4612 56K R4622 220K R4603 330 R4613 56K R4623 220K R4632 220K R4633 220K R4601 330 R4611 56K R4621 220K C4043 47/50 R4033 330 R4035 56K R4073 220K C4044 47/50 R4034 330 R4036 56K R4074 220K C403

27、9 47/50 R4029 330 R4031 56K R4069 220K C4040 47/50 R4030 330 R4032 56K R4070 220K C4089 102J C4088 102J C4015 221J C4016 221J C4601 221J C4602 221J C4603 221J C4604 221J C4605 221J C4606 221J C4607 221J C4019 47/50 R4037 220K C4020 47/50 R4038 220K C4023 47/50 R4009 330 R4011 56K R4047 220K C4024 47

28、/50 R4010 330 R4012 56K R4048 220K C4005 221J C4006 221J C4087 102J R4004 56K C4075 47/50 R4107 220K C4076 47/50 R4108 220K R4105 56K R4104 330 R4106 56K R4103 330 R4006 330 R4041 10 R4045 220 R4042 10 R4046 220 C4003 221J C4616 47/50 R4626 220K C4617 47/50 R4627 220K C4626 47/50 R4636 220K C4627 47

29、/50 R4637 220K R4043 100 R4044 100 R4122 0 Q4026 R4161 10K R4162 10K R4164 220K C4112 47/50 R4160 10K C4111 47/50 R4163 220K R4159 10K R4007 220K R4008 220K R4126 220K R4125 220K R4005 330 R4003 56K R4121 0 C4623 47/50 C4613 47/50 C4612 47/50 C4611 47/50 Q4025 R4257220K R4600 330 C4600 221J C4610 47

30、/50 R4620 220K R4610 56K C4017 221K C4018 221K C4073 221J C4074 221J C4001 221K C4002 221K Q4002B NE5532 5 6 7 8 Q4002A NE5532 2 3 4 1 Q4014B NE5532 5 6 7 8 Q4014A NE5532 2 3 4 1 Q4015B NE55325 6 7 8 Q4015A NE5532 2 3 4 1 Q4001B NE55325 6 7 8 Q4001A NE5532 2 3 4 1 Q4016B NE5532 5 6 7 8 Q4016A NE5532

31、 2 3 4 1 Q4040B NE55325 6 7 8 Q4040A NE5532 2 3 4 1 Q4041B NE55325 6 7 8 Q4041A NE5532 2 3 4 1 Q4042B NE55325 6 7 8 Q4042A NE5532 2 3 4 1 Q4043B NE55325 6 7 8 Q4043A NE5532 2 3 4 1 R4158 220K R4157 220K C4108 47/50 C4107 47/50 R4156 220K C4106 47/50 R4155 220K C4105 47/50 R4154 220K R4153 220K C4104

32、 47/50 C4103 47/50 C4102 47/50 R4151 220K R4152 220K C4101 47/50 Q4030B NE5532AP 6 5 4 7 R4080 56K R4079 56K C4622 47/50 R4220 220 Q4206 RN1441 R4218 220K Q4205 RN1441 R4219 220 Q4210 RN1441 C4219 47/50 C4220 47/50 R4221 100 R4222 100 R4224 10 Q4208 RN1441 R4223 10 Q4207 RN1441 R4236 10 Q4212 RN1441

33、 R4234 100 R4235 10 Q4211 RN1441 R4233 100 R4226 220K C4217 221J R4225 220K C4222 221J R4238 220K C4221 221J R4237 220K R4239 47 R4240 47 R4227 47 C4243 102J R4232 220 R4231 220 R4230 220K R4229 220K R4228 47 R4217 220K C4216 47/50 C4215 47/50 C4218 221J Q4209 RN1441 R4258 220K R4123 2.2K R4124 2.2K

34、 R4166 100 R4167 100K R4168 100K R4169 47K R4171 100K R4165 100 R4170 100 C4119 47/50 C4120 47/50 Q4031A NE5532AP 3 2 1 8 Q4031B NE5532AP 6 5 4 7 C4055 221K C4056 221K RN1441 RN1441 P4030A 9 8 7 C4081 100/50 C4083 100/50 C4085 100/50 C4094 100/50 C4027 47/50 R4019 56K R4057 220K C4028 47/50 R4018 33

35、0 R4020 56K R4058 220K C4009 221J C4010 221J Q4011A NE5532 2 3 4 1 Q4011B NE5532 5 6 7 8 R4017 330 C4031 47/50 R4021 330 R4023 56K R4061 220K C4032 47/50 R4022 330 R4024 56K R4062 220K C4011 221J C4012 221J Q4012A NE5532 2 3 4 1 Q4012B NE5532 5 6 7 8 C4035 47/50 R4025 330 R4027 56K R4065 220K C4036

36、47/50 R4026 330 R4028 56K R4066 220K C4013 221J C4014 221J Q4013B NE5532 5 6 7 8 Q4013A NE5532 2 3 4 1 R4015 220K R4016 220K R4051 10 R4053 100 R4052 10 R4054 100 C4007 221J C4008 221J R4056 220 R4055 220 R4014 47 R4013 47 C4090 102J P4007 P4001 P4001P4004P4005 R4001 330 R4002 330 P4008 P4033A 1 2 3

37、 4 5 6 7 8 9 10 11 12 13 R4129 10K R413010K R4131 10K R4115 22(1/2W) R4116 22(1/2W) R4118 22(1/2W) R4119 22(1/2W) R4120 22(1/2W) R4128 22(1/2W) R4127 22(1/2W) P4006P4003 Q4029 ANALOG SW ARRAY TC94A46CFG 80 80 S04 79 79 NC 78 S03 77 NC 76 S02 75 NC 74 S01 73 NC 72 NC 71 S01 70 NC 69 S02 68 NC 67 S03

38、66 66 NC 65 65 S04 64NC 63S05 62NC 61S06 60NC 59S07 58NC 57S08 56NC 55S09 54NC 53S10 52NC 51S11 50NC 49S12 48NC 47S13 46NC 45S14 44NC 43COM1 42NC 41COM2 40 38 NC 39 39 COM3 38 40 NC 37 VDD 36 NC 35 CS2 34 STB 33 DATA 32 CK 31 GND 30 CS1 29 NC 28 VSS 27 27 NC 26 26 COM3 25 25 NC 24 COM2 23 NC 22 COM1

39、 21 NC 20 S14 19 NC 18 S13 17 NC 16 S12 15 NC 14 S11 13 NC 12 S10 11 NC 10 S09 9 NC 8 S08 7 NC 6 S07 5 NC 4 S06 3 NC 2 S05 1 NC R4117 22(1/2W) P4032A 1 2 3 4 5 6 7 8 Q4030A NE5532AP 3 2 1 8 Q4032A NE5532AP 2 3 1 8 Q4032B NE5532AP 5 6 4 7 P4030A 1 2 3 4 5 6 C4004 221J R4176 220 C4176 152J R4175 220 Q

40、4018 2SC2240-BL Q4017 2SC2240-BL R4089 3.3K Q4023B NE5532 2 3 1 Q4023A NE5532 5 6 4 7 8 R4084 22K R4083 22K R4090 3.3K R4092 3.3K C4060 47/50 C4059 47/50 R4087 2.7K R4095 470K R4097 820 R4091 3.3K R4085 220K R4088 2.7K Q4022 2SC2712 R4096 470K R4094 39K R4098 820 R4086 220K Q4021 2SC2712 D4002 UDZS5

41、.6B D4001 UDZS5.6B R4133 220 R4134 220 R4135 220 R4136 220 C4065 182J C4064 682J C4066 182J C4061 220/25 C4062 220/25 C4063 682J R4099 820 C4067 22/50 R4102 220K C4070 222J C4080 220/25 R4100 820 C4068 22/50 C4069 222J Q4019 2SC2240-BL Q4020 2SC2240-BL R4114 100(1/2W) R4081 2.7K(1/2W) R4082 2.7K(1/2

42、W)P4030B 7 8 9 P4030B 6 5 4 3 2 1 C4079 220/25 R4101 220K C4057 47/50 C4058 47/50 Q4291 2SC2120 D4292 UDZS7.5B D4291 UDZS7.5B C4291 220/25 R4294 1.5K R4293 1.5K R4291 47(1/2W) C4292 220/25 C4293 47/50C4294 47/50 R4292 47(1/2W) C4295 220/25C4296 220/25 C4213 47/50 C4240 47/50 C4214 47/50 C4233 47/50

43、C4236 47/50 C4235 47/50 C4238 47/50 C4237 47/50 C4239 47/50 Q4292 2SA950 P4033B 1 2 3 4 5 -14.4V 6 7 8 9 10 11 12 13 R425610K R425510K Q4204 SELECTOR VOL, TONE R2S15211FP 40MONO 39SUBL 38SUBR 37ADCR 36ADCL 35FRIN2 34FLIN2 33SRIN2 32SLIN2 31SWIN2 30CIN2 29SBRIN2 28SBLIN2 27 27 TRE_R 26 BASS_R2 25 25

44、BASS_R1 24AVCC 23TRE_L 22BASS_L2 21 20BASS_L1 FRC 19FROUT 18AGND 17FLOUT 16FLC 156-C 146-OUT 13AGND 125-OUT 115-C 104-C 94-OUT 8AGND 73-OUT 63-C 52-C 42-OUT 3AGND 21-OUT 11-C 80 80 SBRIN1 79 79 SBLIN1 78 SRIN1 77 SLIN1 76 SWIN1 75 CIN1 74 FRIN1 73 FLIN1 72 RECL3 71 RECR3 70 INL11/RECL5 69 69 INR11/R

45、ECR5 68 68 INL10/RECL4 67 67 INR10/RECR4 66 66 INLB/RECL2 65 65 INRB/RECR2 64 INL9 63 INR9 62 INLA/RECL1 61 INRA/RECR1 60 INL8 59 INR8 58 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 42 DATA 41 41 DGND C4206 47/50 Q4

46、202B NE5532AP 6 5 4 7 Q4202A NE5532AP3 2 1 8 Q4201B NE5532AP 6 5 4 7 Q4201A NE5532AP3 2 1 8 C4205 47/50 C4201 47/50 R4201 220K C4202 47/50 R4202 220K C4203 47/50 C4204 47/50 R4203 220K R4204 220K R4205 220K R4206 220K C4207 47/50 C4208 47/50 R4207 220K R4208 220K P4032B 8 7 6 5 4 3 2 1 R4078 1K R407

47、7 1K C4175 152J R4093 39K R4179 1.2K R4180 1.2K C4091 221K +6.9V -6.9V +14.4V -14.4V +14.4V -14.4V -14.4V +14.4V R4113 100(1/2W) C4232 474J R4254 1.8K C4228 223J C4230 823J C4227 223J C4229823J C4234 47/50 R42531.8K C4231474J R4177 1K C4177 221J R4178 1K C4178 221J NAASP-9050(1/2) U06 AMPLIFIER PC B

48、OARD U32 AMPLIFIER PC BOARD U07 PHONO PC BOARD NAASP-9080 L R L R L R L R L R L R L R L R L R CENTER SUB WOOFER L R L R L R L R L R TO NAASP-9050(2/2) SD-2 TO NAASP-9050(2/2) SD-2 SD-x:XY is short for Shcematic Diagram-x and each sockets location, X=A to H, Y=1 to 5. +14.4V -14.4V -14.4V -14.0V +14.

49、4V +14.4V +14.0V TX-SR805/SA805 SCHEMATIC DIAGRAM-1 (SD-1) AUDIO SECTION A 1 2 3 4 5 BCDEFGH Z3MUTE Z2MUTE BTLR BTLL MainBR MainBL MainAR SELSTB SELSDO SELCLK TU_R XM_R XM_L TU_L XM_R XM_L PZ2R PZ2L Z2VOLCLK Z2VOLSDO -15V MainAL TUMUTE -15VCD MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_C MCH_SR MCH_SBL MCH_SBR MCH_SW MCH_C VIDEO5R VIDEO5L TAPEOUTL TAPEOUTR VIDEOOUTL VIDEOOUTR GND SR_R SR_L +15V +15V GND Z2R Z2L Z3R Z3L MCH_SL SURROUND SURROUND BACK FRONT MULTI CH INPUT PHONO L ZONE 2 PRE OUT/LINE OUT R L ZONE 3 PRE OUT/LINE OUT R TAPE TAPE OUT CD TUNER AUX1 GAME/TV DVD CBL/SAT VCR/DV