Onkyo TX-SR705 SA705 Service Manual and Repair Guide

TX-SR705/SA705 SERVICE MANUAL Ref. No. 3997 072007 AV RECEIVER MODEL TX-SR705 MODEL TX-SA705 TX-SR705 Black, Golden and Silver models 220-240V AC, 50Hz 220-240V AC, 50/60Hz 220-240V AC, 50/60Hz B MMP, MMA, S MMP, MMA B MMO, S MMO G MMQ, MMK, MMT TX-SA705 Golden models 220-240V AC, 50/60Hz G MMR RC-693M 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 LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. B MDC, S MDC, G MDT 120V AC, 60Hz

EXPLODED VIEWS-1 TX-SR705/SA705 TX-SR705/SA705 A004 x 5 pcs. A003 x 8 pcs. A061 A304 x 6 pcs. A004 x 7 pcs. A004 x 2 pcs. A004 x 2 pcs. A004 x 2 pcs. A004 x 4 pcs. A004 x 3 pcs. A004 x 2 pcs. A004 x 2 pcs. A004 x 2 pcs. A004 x 2 pcs. A015 x 3 pcs. A002 A006 U06 U07 A306 A010 A063 A065 A008 A005 A007 A009 A301 A303 P701 A302 U13 U16 U10 A016 x 2 pcs. A025 x 4 pcs. A306 x 4 pcs. A308 x 4 pcs. A309 x 4 pcs. A311 x 4 pcs. A023 x 2 pcs. A015 x 47 pcs. A037 x 4 pcs. P6607A x 4 pcs. P6602A x 6 pcs. P6601A x 8 pcs. F6901 F903 F901 F910 F910 F6902 P901 ( DC Type) ( All Type Except DC) A013 A020 U01 U22 U05 U23 U12 U20 U011 U17 U24 U18 U02 U08 U09 U04 U11 U03 U14 U15 A022 A001 A075 A075 A073 A075 A308 A305 A313 A004 P692 P691 A004 A004 A004 A024 A024 A024 A074 A024 A024 A024 A004 A027 A016 A016 A016 A045 A047 A047 A042 A049 A051 P4008 P101 A039 A021 A041 T901 Refer to <Fig-1> in EXPLODED VIEWS-2

EXPLODED VIEWS-2 TX-SR705/SA705 TX-SR705/SA705 <Fig-1> Q6056 Q6066 Q6055 Q6065 Q6054 Q6064 Q6053 Q6063 Q6052 Q6062 Q6051 Q6061 Q6050 Q6060 Q6050A x 2 pcs. Q6050B x 6 pcs. A059 x 14 pcs.

BLOCK DIAGRAMS-1 AUDIO SECTION TX-SR705/SA705 A 1 2 3 4 5 B C D MAIN L MAIN R SUB R SUB L MAIN R REC L REC R MAIN L SUB R SUB L 38 39 37 36 SETUP MIC L R L R L R L R L R L R L R L R L R L R L R L R L R PHONO TAPE IN TAPE OUT CD TUNER (FRONT IN) AUX INPUT VCR/DVR IN VCR/DVR OUT CBL/SAT IN DVD C/SW FRONT SURROUND C SW GAME/TV IN SURROUND BACK TX OUT HDMI MIC AMP (TX-SA705 Only) Q5501 R2S15211FP Audio Processor (Switch, Tone & Volume) 2ch ADC - - DIR LPF LPF LPF LPF LPF LPF LPF LPF Controller Micro HDMI BOARD NAHDM-9265(SD-8,9) IN1 HDMI HDMI RX IN2 IN3 I2S(DVD-AUDIO/DSD) 8ch DAC Q1101 CS42528 IN 1 COAXIAL IN 2 IN 3 AUX INPUT DIGITAL IN 1 IN 2 OPTICAL OUT Q1011 TC74VHC157 SPDIF SW SUB R SUB L PHONO EQ XM ANTENNA UNIT XM/SIRIUS NARF-9267(SD-14) XM/DT IC AK4384 DAC SIRIUS SIRIUS DC Type Only TUNER UNIT TX-SR705 Only DACCL DACSWL DACSL DACFL DACFR DACSR DACCR R L ATT ATT ATT ATT ATT ATT 40 63 64 57 58 65 66 61 62 59 60 55 56 53 54 51 52 49 50 47 48 45 46 71 72 67 68

TX-SR705/SA705 E F G H SPRLB (PWRED Z2) SPRLF (H/P) FRL CSRL SBRL Z2RL Z2MUTE SBMUTE AMUTE I2S(DVD Audio) I2S(DIR/ADC) SPEAKER TERMINALS SDRAM 16M Bit FLASH ROM SDRAM 16M bit FLASH ROM SDRAM 16M bit FLASH ROM TMS320DA790 or TMS320DA710 DSP1 DSP2 DSP3 FRONT LEFT FRONT RIGHT CENTER SURR. LEFT SURR. RIGHT SUUR. BACK LEFT SUUR. BACK RIGHT LEFT ZONE 2 SPEAKERS RIGHT HEADPHONES +29dB +29dB +29dB +29dB +29dB +29dB +29dB SW C SBL SBR SL SR FL FR TONE TONE SW FL FR C SL SBR SR SBL FL SUB L Q5501 R2S15211FP FL FR FR C C SL SL SR SR SW SW SBL SBL SBR SBR Q1201 CS4398 2ch DAC LPF LPF LPF Q3301,Q3311 TC74VHCT157FT DACSWR DACSBL DACSBR SUB R 7 CH POWER AMPLIFIERS SBL SBR FL FR C SL SR PREOUT 7.1CH CR RS232 RS232 INTERFACE L R -6dB -6dB L R ZONE 2 LINE OUT 32M bit 4M Bit TMS320DA788 or TMS320DA708 8M Bit Q3651 Q3661 Q3561 Q3551 Q3461 Q3471 Q3451 Q3401 Q3501 Q3601 Q2001 M3087BFKBGP TMS320DA707 9 10 6 7 19 20 17 16 14 15 12 11 4 5 2 1 74 35 73 34 75 30 78 33 77 32 76 31 80 29 79 28 IR REMOTE SENSOR CONTROL 12V TRIGGER IR IN 12V TRIGGER OUT INTERFACE RI RI + + + + + + + + MAIN MICROPROCESSOR <Note> Refer to SCHEMATIC DIAGRAM-4 and -15 (SD-4 and SD-15) for digital audio signal flow waveforms.

BLOCK DIAGRAMS-2 VIDEO AND HDMI SECTION TX-SR705/SA705 A 1 2 3 4 5 B C D ADINSY ADINPR ADINPB ADINPY ADINCV ADINSC ADINPY ADINPB ADINSC ADINSY ADINCY ADINPR DACCV DACSY DACSC DACPR DACPB DACPY CBL/SAT VCR/DVR AUX INPUT DVD GAME/TV (FRONT) CBL/SAT VCR/DVR AUX INPUT GAME/TV (FRONT) Y C Y C Y C Y C Y C C Y V CR CB CY IN 1 IN 2 CB3 CR3 Y3 IN 3 CR2 CB2 Y2 Y1 CB1 CR1 CB CR Y V Y C DVD COMPOSITE VIDEO INPUT S VIDEO INPUT DSP AND HDMI B NAHDM-9265(SD VIDEO AND SP TERMINAL BOARD NAVD-9270(SD-10) Q4002 AN-15881A-VT Video Amp & Switch Q4002 AN-15881A-VT HDMI IN 1 HDMI IN 2 HDMI IN 3 6dB 6dB 6dB 1K 47K 47K 1K 47K D2+/- D1+/- D0+/- CK+/- CERemote DDC CLK DDC DATA +5V HP DET DTA 1K 47K 47K DT DTA D2+/- D1+/- D0+/- CK+/- CERemote DDC CLK DDC DATA +5V HP DET D2+/- D1+/- D0+/- CK+/- CERemote DDC CLK DDC DATA +5V HP DET 6dB 6dB 6dB 75 75 75 75 75 75 75 75 75 SELV1 SELV1 SDET SDET SDET SDET 75 75 SDET SELV1 75 SDET 6dB SDET SDET 75 75 75 6dB SDET 6dB 6dB 6dB 6dB COMPONENT VIDEO INPUT 47K <Note> Refer to SCHEMATIC DIAGRAM-8, -10 and -15 (SD-8, SD-10 and SD-15) for video and HDMI signal waveforms.

TX-SR705/SA705 E F G H LLC VSYNC HSYNC FIELD/DE Y(P10-19)ITU656 CB(P0-09) CR(P20-29) 27MHz RESET VSPREQ/BOOT RXDB TXDB CEC_IO SCL_RX SDA_RX RX_RST MUTEOUT INT_RX SCDT CR(O24-O35) Y(O12-O23) CB(O0-O11) R3HPR PRODDC3 SCLDDC3 SDADDC3 R2HPR PRODDC2 SCLDDC2 SDADDC2 R1HPR PRODDC1 SCLDDC1 SDADDC1 SCL_TX SDA_TX RST_TX INT_TX HPLGDET ODDC_SDA ODDC_SCL HDMI_POW OETX DACSY DACCV DACSC DACPR DACPB DACPY RST_VE SCL_VDVE SDA_VDVE FIELD/DE HSYNC VSYNC ICDK CR CB Y SD0_3 LRCK_HDMI BCK_HDMI SDET PYDET IP conversion, Scaler & OSD FLASH MEMORY Q8001 FLI8125-LF-BC (HUDSON) Video MPU DSP Part TXMUTE Q2001 RXMUTE VSYSRST VD_STB VD_SO VD_SI VD_SCK TO MAIN MICROPROCRSSOR Q8701 MPD70F3717GC Y C Y C MONITOR CB CR Y Y CB CR MONITOR VCR/DVR VCR/DVR S VIDEO OUTPUT COMPOSITE VIDEO OUTPUT COMPONENT VIDEO OUTPUT MI BOARD SD-8&9) VT HDMI OUT FLASH_CS(0,1) PCI_CBE(1.3) GPIO(16,22) PCI_AD(0-31) REFCLK TWIACLK TWIADAT TWIBCLK TWIBDAT RXDA TXDB/DATA16 RXDB TXDA Q8801 ADV7172 Video Encoder LLC VSYNC HSYNC FIELD/DE Y 21 SDA 22 SCLK 33 RESETB DAC_A DAC_B DAC_C DAC_D DAC_E DAC_F XTAL 1K 47K 0 0 47K DTC144EE 1K 0 47K DTC144EE DTA144EE 1K 47K 0 47K DTC144EE 5.6K 5.6K DTA144EE 47K 47K DTA144EE 5.6K 5.6K 47K 47K +3.3V +3.3V 5 SDA 6 SCL 7 WP 8 VCC 1 A0 2 A1 3 A2 4 GND 5.6K 5.6K +3.3VHD 1 1OE 2 1A 5 2A 4 GND 6 2B 3 1B 7 2OE 8 VCC 1 1OE 2 1A 5 2A 4 GND 6 2B 3 1B 7 2OE 8 VCC 1 1OE 2 1A 5 2A 4 GND 6 2B 3 1B 7 2OE 8 VCC 33 Q8501 SiI9135CTU HDMI Receiver R0X2+/- R0X1+/- R0X0+/- R0XC+/- DSCL0 DSDA0 R0PWR5V R1X2+/- R1X1+/- R1X0+/- R1XC+/- DSDA1 DSCL1 R0PWR5V PRESET SCDT INT CSDA CSCL MUTEOUT DSDDA(0-7) DSDCLK MCLKOUT MCLKIN SCK WS SD0-3 SPDIF Y(O12-O23) CB(O0-O11) CR(O24-035) DE HSYNC VSYNC ODCK 5 SDA 6 SCL 7 WP 8 VCC 1 A0 2 A1 3 A2 4 GND E2PROM3 5 SDA 6 SCL 7 WP 8 VCC 1 A0 2 A1 3 A2 4 GND Q8101 AD8196 HDMI SW AUX_COM0 AUX_COM1 AUX_COM2 AUX_COM3 ON_0 ON_1 ON_2 ON_3 IN_B3 IN_B0 IN_B1 IN_B2 IN_A3 IN_A2 IN_A1 AUX_B0 AUX_B1 AUX_B2 AUX_B3 IN_A0 AUX_A1 AUX_A0 AUX_A2 AUX_A3 +3.3V +3.3V +3.3V 3 2 1 2K 2K 47K 4.7K 4.7K NJM2860F3-05 1 CONT 2 GND 3 BYP 4 VO 5 VIN D2+/- D1+/- D0+/- CK+/- CERemote DDC CLK DDC DATA +5V HP DET +3.3V Q8002,Q8003 TC74VCX162244FT 1 1OE BUS Buffer HDMI Transmitter Q8401 SiI9134CTU IDCK VSYNC HSYNC DE D16-23 D0-7 D8-15 SD0-3 WS SCK MCLK SPDIF DSDCLK DSDDA INT RESET CSCL CSDA HPD DSDA DSCL TXC+/- TX0+/- TX1+/- TX2+/- +12VS 0 +3.3VHD 0 +3.3VHD SN74CB3T3306DCT SN74CB3T3306DCT SN74CB3T3306DCT S-24CS02AFT-V-G E2PROM2 S-24CS02AFT-V-G E2PROM1 S-24CS02AFT-V-G 47K Q8405 SN74CB3Q3305PWR

SCHEMATIC DIAGRAMS-1 (SD-1) AUDIO SECTION TX-SR705/SA705 A 1 2 3 4 5 B C D SW_OUT1 C_OUT -7V Z2_R-CH_IN Z2_L-CH_IN +12V -12V L-CH_OUT R-CH_OUT GND PHONO_L GND PHONO_R RI TUPACK_L GND_TU TUPACK_R VIDEO4_L GND_ASP VIDEO4_R MIC AD_R AD_L DAC_SR1 DAC_SL1 DAC_SBR1 DAC_SBL1 VOLH AMUT DAC_FR1 DAC_FL1 DAC_SW1 DAC_C1 -12V +12V VOL_DATA VOL_CLK PROTECT SEC1H XM_L XM_R SIRIUS_L SIRIUS_R -12V +12V GND_AMP +12V GND_AMP GND Z2MUTE -12V +12V Z2_R-CH Z2_L-CH +3.3S +3.3V 232TXD 232RXD GND232 SBL_OUT SBR_OUT SL_OUT SR_OUT L_OUT R_OUT TUNER RI NAAF-9142(1/2) TO NADG-9269 SD5:D5 TO NARF-9267 SD-14:G3 TO NADG-9269(2/2) SD-5:C5 TO NADG-9269(2/2) SD-5:D5 TX-SA705 Only DC Type Only RS-232C Tranceiver RS232 TO NAVD-9270 SD-10:F1 C5556 47/25 C5557 47/25 C5561 223J R5507 330 R5508 330 R5509 330 R5510 330 R5515 330 R5516 330 R5517 330 C5507 221J C5508 221J C5509 221J C5510 221J C5513 221J C5514 221J C5515 NC C5516 NC R5518 330 R5519 330 R5520 330 R5522 330 R5523 330 C5522 221J C5523 221J C5521 221J C5525 221J R5524 330 R5525 330 R5547 220K R5548 220K R5550 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 220K P7904 C5564 223J C5517 221J C5518 221J C5519 221K C5520 221K C5524 221K R5585 1.8K C5560 823J C5562 474J C5563 823J C5558 47/25 C5559 474J C5666 220/25 R5588 10K R5587 10K C5565 47/25 C5566 47/25 P7905 P7906 C5667 220/25 C5526 221J R5526 330 R5566 220K R5521 330 C5554 47/25 C5555 47/25 R5514 330 R5513 330 R5549 220K R5674 68 R5684 680 D5672 UDZS7.5C C5684 220/25 C5675 470/16 C5685 220/25 D5671 UDZS7.5C C5674 470/16 C5686 220/25 C5687 220/25 C5552 47/25 C5551 47/25 C5553 47/25 Q5501 R2S15211FP 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 SELECTOR, VOLUME TONE CONTROL 41 41:DGND 40 MONO 39 SUBL 38 SUBR 37 ADCR 36 ADCL 35 FRIN2 34 FLIN2 33 SRIN2 32 SLIN2 31 SWIN2 30 CIN2 29 SBRIN2 28 SBLIN2 27 TRE_R 26 26:BASS_R2 25 25:BASS_R1 24 AVCC 23 TRE_L 22 BASS_L2 21 BASS_L1 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 2 1-OUT 1 1-C 80 80:SBRIN1 79 SBLIN1 78 SRIN1 77 SLIN1 76 SWIN1 75 CIN1 74 FRIN1 73 FLIN1 72 RECL3 71 RECR3 70 INL11/RECL5 69 69:INR11/RECR5 68 68:INL10/RECL4 67 67:INR10/RECR4 66 66:INLB/RECL2 65 65:INRB/RECR2 R5506 330 R5505 330 C5506 NC R5545 220K R5546 220K C5505 NC J5000 0 J5001 0 Q5684 2SC1815 R5586 1.8K R5675 68 Q5685 2SA1015 R5685 680 R5589 1K R5575 220K R5579 220K R5576 220K R5580 220K R5581 220K R5583 220K R5582 220K C5573 47/50 47/50 C5572 C5575 C5574 C5571 C5570 C5569-5575 C5569 C5576 R5577 47K R5578 47K R5537 47K R5538 47K P303 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 R5502 330 R5504 330 C5502 221J C5504 221K R5501 330 R5541 220K R5542 220K R5543 220K R5544 220K P7900 R5500 330 C5501 221J C5503 221K R5503 330 P7902 P5505 P7901 JL6605A 1 2 3 4 5 6 7 JL5502A 1 2 3 4 5 6 7 R5666 22 R5667 22 P304 1 2 3 P302 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R5001 47K R5002 47K JL6605B 7 6 5 4 3 2 1 R5902 22 R59 22K R590 22K R5901 22 L6001 022M R6206 330 R6207 330 C6005 223Z R6208 10K R6209 10K C6002 1/50 C6006 1/50 C6007 1/50 C6003 1/50 R6210 10K C6001 223Z R6211 330 R6212 330 P6011 1 6 2 7 3 8 4 9 5 JL6018B 4 3 2 1 Q6311 ICL3221ECVZ 1 EN 2 C1+ 3 V+ 4 C1- 5 C2+ 6 C2- 7 V- 8 R1IN 9 R1OUT 10 INVALID 11 T1IN 12 FORCEON 13 T1OUT 14 GND 15 VCC 16 FORCEOFF C6004 100/25 P7903 C5901 100/25 C5902 100/25 J5007 0 0 R5827 R5823 0 C5701 102 C5702 102 C5703 102 C5704 102 C5705 102 C5706 102 NAETC-9147 U01 AMPLIFIER PC BOARD U05 RS232 PC BOARD CD TAPE OUT TAPE IN R L R L R L R L R L GAME/TV IN R L R L R L VCR/DVR IN VCR/DVR OUT CBL/SAT IN DVD MULTI IN FR FL SR SL SBR SBL SW C +7V

TX-SR705/SA705 E F G H +22V GND_S1 GND_E SBR SBL SR SL FR FL C TZ2 IR SPRLSB PROTECT SEC1H VOLH -12V +12V GND_AMP S1L- -22V S1L+ SPRLF SBZ2MUT Z2_PREMUT GND_IR +5.6IR SW_OUT SL_OUT Z2_R Z2_L SR_OUT SBL_OUT SBR_OUT R_OUT L_OUT C_OUT +22V +10VDSP GND_VD IR IN 12V TRIGGER OUT SURROUND R L R L R L FRONT C SW SURROUND BACK (FL/FR PRE OUT Mute & HeadPhone Mute) TO MAIN AMP SD-2:A3 & B5 TO MAIN AMP SD-2:A3 TO NADG-9269 SD-5:D5 TO NAAF-8917 SD-3:C1 7.1CH PRE OUT R L ZONE 2 LINE OUT TO NAVD-9270 SD-11:E5 DC/DT TYPE MODEL TX-SR705 TX-SA705 Other MR R5672 R5678 R5671/5673 12(1W) 12(1W) 15(1W) 2.2(1W) 0.47(1W) 0.47(1W) 47(2W) 33(2W) 33(2W) C6226 104Z R6222 10K R6224 3.3K C6221 223K Q6223 RN1402 R6228 1K Q6227 RN1402 Q6226 2SB1068-U C5670 10/50 C5672 220/25 C5673 220/25 C6222 100/25 + C5666 220/25 R6221 100 P6221 C5667 220/25 Q6222 RN1402 R6227 3.3 R6226 100K R6223 10K C5630 47/50 R5680 220K R5681 220K P6991 C5527 221J Q5671 79M12 3 O 2 I 1 G C5671 10/50 Q6221 PC817X R5677 8.2(2W) R5678 R5620 100 R5621 100 R5622 100 R5623 100 R5624 100 R5625 100 R5626 100 R5627 100 Q5613 RN1441 Q5614 RN1441 Q5615 RN1441 Q5617 RN1441 C5528 221J C5529 221J C5530 221J C5531 C5532 221J 221J R5527 100 R5529 100 R5530 100 R5531 100 R5532 100 R5813 0 P7907 P7908 C5533 221J 221J C5534 D5700 1SS133 C5700 103Z Q5700 RN1402 J5014 0 R5533 100 R5534 100 R5632 15K R5633 1.2K R5634 10K C5631 221J C5632 103J R5630 220 R5631 47K Q5616 RN1441 R5672 P5504B 13 12 11 10 9 8 7 6 5 4 3 2 1 R5609 220K R5608 220K C5608 47/50 C5609 47/50 R5618 0 R5619 0 Q5612 RN1441 C5604 47/50 C5603 47/50 C5601 47/50 C5602 47/50 R5602 220K R5603 220K R5600 220K R5601 220K Q5601 RN1441 Q5603 RN1441 C5600 47/50 Q5600 RN1441 R5611 270 R5612 270 R5614 270 R5613 270 Q5602 RN1441 P301 1 2 3 4 5 6 7 8 666 2 22 D9003 D9004 R5661 R5673 R5671 LIST LIST LIST LIST D9001 R5660 2.2(1W) 2.2(1W) D9002 RL1N4003 C9001 334J C9004 470/35 C9003 1000/35 P5503B R5917 100 R5918 100 R5916 220K R5915 220K C5907 221J C5908 221J Q5905 RN1441 Q5906 RN1441 R5913 100 R5914 100 Q5904 RN1441 R5909 220K R5910 220K C5905 47/50 C5906 47/50 R5905 22K R5906 22K R5903 22K R5904 22K Q5901:B NJM4580M-D 5 6 8 7 Q5903 RN1441 R5911 270 R5912 270 C5711 103Z Q5701 RN1402 Q5630:A NJM4580M-D 3 2 1 4 D5901 1SS352 D5902 1SS352 D5708 1SS352 D5718 1SS352 D5717 1SS352 D5707 1SS352 R5682 220K R5824 0 R5610 270 R5822 0 R5528 100 D6222 1SS352 Q5630:B NJM4580M-D 5 6 8 7 R5567 22K R5568 22K R5569 22K R5570 22K R5571 R5572 22K 22K R5573 22K 22K R5574 Q5670 78M12 3 O 2 G 1 I R5606 220K R5607 220K R5604 220K R5605 220K Q5604 RN1441 Q5605 RN1441 Q5606 RN1441 Q5607 RN1441 C5607 47/50 R5615 270 R5616 270 R5617 270 C5605 47/50 C5606 47/50 D6221 1SS352 Q5611 RN1441 Q5610 RN1441 P6019A 1 2 3 R5908 0 Q5901:A NJM4580M-D 3 2 1 4 R5907 0 C5707 221 C5708 221 P5901 C5909 221 C6229 103 C6230 471 R5668 680(1W) R5628 680(1W) D5701 1SS133 RL5701 12V 8 10 5 3 12 1 4 9 RL5700 12V 8 10 5 3 12 1 4 9 <Note> SD-x:XY is short for Shcematic Diagram-x and each socket's location, X=A to H, Y=1 to 5. +12V +12V -12V -12V

SCHEMATIC DIAGRAMS-2 (SD-2) POWER AMP SECTION-1 TX-SR705/SA705 A 1 2 3 4 5 B C D +22V +22V S1H+ S1H- S1L- S1L+ GND_S1 GND_S1 PROTECT +B1C -BC -B1C +BC NFC +B1L -BL -B1L +BL NFL +B1R -BR -B1R +BR NFR VOLH SEC1H +5VDIS THERMAL GNDDG2 Center ch Front L ch Front R ch TO NAAF-9142(1/2) SD-1:G1 & F4 TO NAAF-9142(1/2) SD-1:F4 12A 250V 12A 250V Q6040-46 Q6030-36 2SC5993 2SA2140 Q6050-56 Q6060-66 Driver Transistor List Power Transistor List MP150S MN150S 2SC5242 2SA1962 2SC5171 2SA1930 ALL ALL (or) ALL ALL (or) P6011A ID- ID+ 1.0V[1.0V] -0.3V -0.4V NF -B1 +B1 +B -B -0.6V +0.6V -1.1V +1.1V ID- ID+ 1.0V[1.0V] NF -B1 +B1 +B -B ID- ID+ 1.0V[1.0V] NF -B1 +B1 +B -B NAAF-9142(2/2) P6900B (BLK) P6904B (GRN) P6903B (YEW) NAETC-9144 NAPS-9143 C6704 1/50 + R6708 33K R6702 10K R6704 47K Q6702 2SC2712-GR Q6701 2SC2712-GR Q6703 2SA1163-BL C6703 104Z D6702 KDS4148U D6701 KDS4148U R6706 220K R6132 (1W) 8.2 R6133 (1W) 8.2 R6134 (1W) 8.2 R6131 (1W) 8.2 R6135 (1W) 8.2 R6136 JL6600A 7 6 5 4 3 2 1 R6903 47K R6902 1K Q6707 2SC2712-GR RL6901 4 3 2 1 RL6902 3 4 1 2 P6903B D6903 D10XB60H 4 3 1 -54.5V 2 F6902 F6901 C6912 334J/100V C6915 104J C6916 104J P6900B 1 C6706 10/50 + R6709 5.6K D6704 UDZS5.1B R6130 (1W) 8.2 R6701 22K C6030 (50V) 473J C6032 (50V) 473J C6031 (50V) 473J C6033 (50V) 473J C6034 (50V) 473J C6035 (50V) 473J C6036 JL6952B 4 3 2 1 JL6603A 9 8 7 6 5 4 3 2 1 D6703 UDZS5.1B D6902 1SS352 R6710 12K D6901 D10XB60H 4 2 1 3 C6913 334J/100V C6911 102J P6904B R6197 100(1W) C6701 100/25 + C6901 + C6902 12000/71 12000/71 + P6080 1 2 Q6030 2SC5171 R6080 0.22(1/4W) R6090 (1/4W) 0.22 C6040 47/50 + R6030 470 R6000 5.6K R6010 3.9K R6050 3.3K Q6000 2SC1740S_S R6040 2K Q6040 2SA1930 R6020 2.2(1/4W) R6070 (1/4W) 82 Q6010 2SC1740S_S P6000B 5 4 3 2 1 P6081 1 2 Q6031 2SC5171 R6081 (1/4W) 0.22 R6091 (1/4W) 0.22 C6041 47/50 + R6031 470 R6001 5.6K R6011 3.9K R6051 3.3K Q6001 2SC1740S_S R6041 2K Q6041 2SA1930 R6021 (1/4W) 2.2 R6071 (1/4W) 82 Q6011 2SC1740S_S P6001B 5 4 3 2 1 P6082 1 2 Q6032 2SC5171 R6082 (1/4W) 0.22 R6092 (1/4W) 0.22 C6042 47/50 + R6032 470 R6002 5.6K R6012 3.9K R6052 3.3K Q6002 2SC1740S_S R6042 2K Q6042 2SA1930 R6022 (1/4W) 2.2 R6072 (1/4W) 82 Q6012 2SC1740S_S P6002B 5 4 3 2 1 P16 P17 P19 P18 P15 TO POWER TRANS S1 SD-13:G4 JL6952A 1 2 3 4 Q6380 LM61CIZ 1 G 2 O 3 V JL6402A 3 2 1 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 ARE 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 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. ! NOTE Type C. NO C. NO Type U01 AMPLIFIER PC BOARD U03 THERMAL SENSOR PC BOARD U02 POWER SUPPLY PC BOARD TO NADG-9269 SD-5:D5 TO NAAF-8917 SD-3:D3 TO NAAF-8917 SD-3:D4 TO NAAF-8917 SD-3:D5 TO NAVD-9270 SD-11:A3 TO NAVD-9270 SD-11:H1 +54.5V +54.5V -0.3V -0.4V -0.6V +0.6V -1.1V +1.1V -0.3V -0.4V -0.6V +0.6V -1.1V +1.1V IDLING ADJ. IDLING ADJ. IDLING ADJ.

Onkyo TX-SR705 SA705 Service Manual and Repair Guide

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