Onkyo TX-SR302 Service Manual Download

Page: 33 / 67

PRINTED CIRCUIT BOARD VIEWS-4

TX-SR302

C7501

C7503

C7504

C7505

C7506

C7507

C7508

C7509

C7510

C7511

C7513

C7515

C7516

C7517

D7501

D7502

D7503

D7507

L7504

L7505

7502

Q750

Q7503

Q7504

Q7506

R7501

R7502

R7503

R7504

R7505

R7506

R7507

R7508

R7509

R7510

R7511

R7513

R7514

R7515

R7516

R7517
R7518

R7520

R7521

R7522

R7523

R7524

R7526

R7527

R7528

R7529

R7530

R7531

R7532

R7611

R7612

R7646

R7621

R7622

R7623

R7624

R7625

R7626

R7631

R7632

R7633

R7634

R7635

R7636

R7641

R7642

R7643

R7644

R7645

Q7507

R7512

-VP

HPMUT

SBMRST

SBMCLK

SBMDO

SBMDI

SBMLDY

HPDET

SYSIN

GND

FLAC

GND

HPL

HPE

HPR

+5.6V

D7504

C7523

C7522

R7519

DISPLAY PC BOARD
(NADIS-7403)

Soldering side

Summary of Contents for TX-SR302

Page 1: ...FIED 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...

Page 2: ...W 4 Front 85 W 85 W 8 Front THD Total Harmonic Distortion 0 08 Power Rated Damping Factor 60 Front 1 kHz 8 Input Sensitivity and Impedance 200 mV 47 k LINE Output Level and Impedance 200 mV 470 REC OU...

Page 3: ...imate and placement of the unit On average memory contents are 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 v...

Page 4: ...n protection operation does not occur at once try several times NOTE2 Don t connect speakers or any load Don t short speaker terminals NOTE In the state of test mode Test 4 29 the pulse waveform outpu...

Page 5: ...zed 2 Corresponds to a safety standard Necessity for a check of operation May not notice the fuse F6901 F6902 broken in the case of repair Because the power supply is continuing supplying voltage from...

Page 6: ...button while the Test _ is shown Unit will be in the state of Test 3 00 1 3 Repeat and press SPEAKERS B to while the Test 3 2 is shown 2 Apply signal sine wave 1kHz 1 5dBV to MULTI CHANNEL FL FR SL S...

Page 7: ...ES 3 DTS 5 AAC PL 6 COS 7 FACTORY TEST MODE 6 Pre Emphasis K OFF e ON 4 ROM RAM Select Download Status H RAM Complete Auto Boot L ROM Under Auto boot 7 DSP Detect Format IEC61937 00 Null 01 Dolby Dig...

Page 8: ...0 x 8 A028 A004 A004 x 6 A050 A425 A051 x 6 A030 A004 A005 x 3 A005 x 10 A411 A004 A004 A004 x 2 A004 x 2 A025 A004 A404 x 24 A401 A026 A055 x 4 A010 A002 x 2 A026 x 3 A065 A413 A412 A414 A060 A061 A4...

Page 9: ...2 EXPLODED VIEWS 2 TX SR302 Q6064 Q6063 Q6062 Q6061 Q6060 Q6050 Q6051 Q6052 Q6054 Q6053 Q6050A x10 A037 x10 A416 L 85mm A417 L 160mm Fig 2 Fig 1 FRONT PANEL INSIDE VIEW A416 L 85mm A415 L 135mm A418 L...

Page 10: ...ICROPROCESSOR Q7008 MPD784225GC 249 8BT SUB MICROPROCESSOR Q7502 MPD780232GC 030 8BT Q701 CS493264 DSP 96 24 6CH D A Q801 AK4586 Q804 Q803 Q802 OPTICAL U7501 REMOTE SENSOR VIDEO VIDEO2 IN VIDEO1 IN DV...

Page 11: ...IFIER SECTION DSP IC VP 12V Q9501 FL TUBE FLAC FLAC RELAY B2 SEC1H B1 B1 Q6931 NJM78M56A Q6405 78M12 5 6V MICROPROCESSOR SUB MICROPROCESSOR POWER 5V 12VAF 12VAF SUPPLY VOLTAGE LEVEL SENSOR R6380 THERM...

Page 12: ...R368 47K R367 1K R369 2 2K R370 22K R383 10K R357 NC R353 NC R6410 2 2 1 2W R6408 R6403 33 1 2W R6402 10 1 2W R6407 3 3 1W R 2 R393 NC R395 NC R394 NC R392 NC R390 NC R391 NC R389 NC R356 NC R354 NC R...

Page 13: ...5 330 R716 330 R717 330 R7138 22K R7839 22K R103 22K R102 22K R7180 R7179 R7178 R7080 INIT3 R7004 BAND R372 R331 470 R371 R330 470 R397 NC R396 NC R344 R373 470 374 470 375 470 R376 270 R7141 10K R704...

Page 14: ...2 TI 17 P20 SCK3 14 P21 SO3 13 P22 12 P23 11 P24 BUSY 10 P25SO1 9 P26 SI1 8 P27 SCK1 7 P30 FIP24 54 P31 FIP25 53 P32 FIP26 52 P33 FIP27 51 P34 FIP28 50 P35 FIP29 49 P36 FIP30 48 P37 FIP31 47 P40 FIP32...

Page 15: ...75 R209 680K R203 75 R204 100K R7501 220 R7502 220 12V GND A B VMUT2 VMUT1 RI OPT2 DGND OPT1 5V COAX OPTOUT 12V GND A B VMUT2 VMUT1 RI DGND OPT1 5V COAX HPDET GND HPL HPE HPR 5 6S FAC2 FAC1 HPR HPE H...

Page 16: ...8 1V 44V 1 0V 47 5V 0V 0 1V 1V 0 7V REF NO DESCRIPTION Q5000 04 Q5010 14 KTC3200 BL OR 2SC1775A E F OR 2SC1845 E Q5030 34 KTA1024 Y O OR 2SA949 Y O Q5040 44 KTC3206 Y O OR 2SC2229 Y O Q5050 54 KTC3200...

Page 17: ...1 4W R5190 10 1 4W R5040 2 2K C5012 22 16 C5042 100 16 C5052 47 50 C5112 10 100 C5102 10 100 C5022 10 50 C5011 22 16 C5041 100 16 C5051 47 50 C5111 10 100 C5101 10 100 C5021 10 50 C5010 22 16 C5040 10...

Page 18: ...E E NF B1 B1 B B 13VS 13VS MPUGND MPUGND POWER REF NO DESCRIPTION Q6010 6014 2SC1740S R S Q6020 6024 2SC1740S R S Q6030 6031 2SC5171 Q6040 6041 2SA1930 Q6032 6034 2SC5171 Q6042 6044 2SA1930 Q6050 6051...

Page 19: ...R6050 3 9K R6080 2 2 1 4W R6070 100 1 4W R6130 R6230 8 2 1W R6010 3 9K R6000 5 6K R6030 390 R6160 33K R6090 2 2 1 4W R6150 12K R6140 22K R6190 330K R6170 47K R6180 47K C6701 220 6 3 C6704 1 50 C6706...

Page 20: ...2482 1 2W R926 4 7K R921 F903 5A 125V F901 C922 220 35 P912 P911A P912A P911 P918 P917 Q921 2SC2458 GR KTC3199 GR 2SC1740S R S P901A AC H AC G T902 P901 P6802 CENTER SPEAKER L R SURROUND SPEAKERS JL68...

Page 21: ...RANSISTORS 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 OTHE...

Page 22: ...45 1 2K R7644 820 R7643 560 R7642 470 R7631 330 R7632 470 R7633 560 R7634 820 R7635 1 2K R7636 2 2K R7626 2 2K R7621 330 R7625 1 2K R7624 820 R7623 560 R7622 470 R7612 470 R7611 330 Q7507 NC Q7506 RN1...

Page 23: ...70 R375 470 R376 270 R7141 10K R7041 10K R821 470 R387 NC R386 NC R358 NC R368 47K R367 1K R369 2 2K R370 22K R383 10K R7083 220 R7085 220 R7084 220 R7082 220 R7081 220 R7075 220 R7074 220 R7073 220 R...

Page 24: ...1J C5030 C5003 101K C5083 040D C5093 101J C5033 C5004 101K C5084 040D C5094 101J C5034 P6002A TO NAAF 7875 P6001A TO NAAF 7875 P6000A TO NAAF 7875 P6003A TO NAAF 7875 P6004A TO NAAF 7875 C5072 C5071 C...

Page 25: ...R6103 0 22 x 2 2W R6102 0 22 x 2 2W R6101 0 22 x 2 2W R6100 0 22 x 2 2W D6906 D6702 D6701 D6307 D6306 D6705 D6706 D6902 D6901 D6014 D6004 D6013 D6003 D6012 D6002 D6011 D6001 D6010 D6000 R6024 R6023 R6...

Page 26: ...7 NAETC 7870 NAETC 7869 NAETC 7868 U12 SPEAKER TERMINAL PC BOARD U10 REGULATOR PC BOARD U18 TERMINAL PC BOARD U19 POWER SUPPLY PC BOARD U11 TERMINAL PC BOARD U20 TERMINAL PC BOARD THE COMPONENTS IDENT...

Page 27: ...PC BOARD U08 NAAF 7866 DRIVER AMPLIFIER PC BOARD U02 NADIS 7403 DISPLAY PC BOARD U04 NAETC 7405 HEADPHONE JACK PC BOARD U03 NASW 7404 SWITCH PC BOARD U10 NAETC 7868 REGULATOR PC BOARD U20 NAPS 7878 T...

Page 28: ...TX SR302 PRINTED CIRCUIT BOARD VIEWS 1 U1 PREAMPLIFIER PC BOARD NADG 7401 Component side A 1 2 3 4 5 B C D...

Page 29: ...TX SR302 C352 C365 C P351 R382 R385 E F G H...

Page 30: ...TX SR302 PRINTED CIRCUIT BOARD VIEWS 2 U1 PREAMPLIFIER PC BOARD PREAMPLIFIER P NADG 7401 A 1 2 3 4 5 B C D...

Page 31: ...TX SR302 E F G H...

Page 32: ...533 J7534 J7535 J7536 J7537 J7538 J7539 J7540 J7541 J7542 J7543 J7544 J7545 J7546 J7547 J7548 J7549 STEREO DIRECT DSP SURROUND PRESET AUDIO ADJUST SP ADJUST CD TUNER TAPE TUNING TUNING MEMORY FM MODE...

Page 33: ...509 R7510 R7511 R7513 R7514 R7515 R7516 R7517 R7518 R7520 R7521 R7522 R7523 R7524 R7526 R7527 R7528 R7529 R7530 R7531 R7532 R7611 R7612 R7646 R7621 R7622 R7623 R7624 R7625 R7626 R7631 R7632 R7633 R763...

Page 34: ...E Q5051 D5001 R5101 R5091 R5061 J5022 B E C5042 C5012 R5012 R5002 R5022 R5042 C5032 R5032 C5082 Q5002 Q5012 R5162 C5072 R5052 Q5032 C5002 B B E E C5052 C5022 R5082 R5072 Q5042 R5172 P6002A B B NF B1 B...

Page 35: ...501A R9503 R9501 R9502 R9521 C9513 1 6A 125V F9501 C201 C202 C203 C204 C205 C217 C220 C221 C222 C227 C281 C282 C283 C284 C285 C286 C287 C288 D201 D202 L282 P206B P281 P281 Q201 Q202 Q203 Q204 Q205 Q20...

Page 36: ...JL6804B C6854 LSP RSP CSP LSSP RSSP LSPE RSPE CSPE LSSPE RSSPE 24V CSRLD FRLD BRLD R6804 L L R R L R C L LS RS LS RS NCETC 7870 25137870 1 C6600 D6600 D6601 C6601 J5322 J5320 J5321 J5304 J5302 J5309...

Page 37: ...021 P6072A J6068 C6706 D6704 R6710 R6709 C6701 JL6805A Q6701 D6702 Q6702 D6701 Q6303 D6307 D6306 R6306 R6307 R6308 P6301 J6069 J6070 JL6402A COM TH1 24V 24V TH1 LSP RSP CSP LSSP RSSP LSPE RSPE CSPE LS...

Page 38: ...ND GND CTLA CTLB VMUT2 VMUT1 RI 5V DGND OPT2 OPT1 COAX OPTOUT J299 NCETC 7884 25137884 0 R6380 NCETC8256 0 25138256 JL6402B TH1 24V P6380 24V P6072 NCETC 7881 25137881 0 JL6952B JL6951B J6403 J6412 J6...

Page 39: ...ct 100 ohm resistance near the terminal of the two poles of a Jig terminal 6 Wait for 4 5 minutes 7 Re adjust the trimming resistors as following procedure Trimming resistor Adjustment point R6040 R60...

Page 40: ...d Right Center Center Center Center Surround Left Surround Left Surround Left Surround Left Surround Back Right Surround Back Right Zone 2 Right Zone 2 Right Surround Back Left Surround Back Left Zone...

Page 41: ...KNOB VOL AS 1 28326255 EXP A065 CLEAR PLT S 1 28192046 EXP A401 REAR PANEL 1 27123380 MDD EXP A401 REAR PANEL 1 27123389 UDD EXP A404 SCREW 3TTB 8B BC 24 838430088 EXP A410 F PANEL 1 27212725 EXP A41...

Page 42: ...or TR MN130S O 1 2203663 EXP Q6054 or TR 2SC5242 O 1 2202843 EXP Q6054 or TR 2SC5242 R 1 2202842 EXP Q6060 TR 2SA1962 O 1 2202833 EXP Q6060 or TR 2SA1962 R 1 2202832 EXP Q6060 or TR MP150S Y 1 220369...

Page 43: ...02 or IC MPC4570G2 T1 MST 1 22240489R1NE PCB 1 Q302 or IC NJM4565M 1 22240581R2 PCB 1 Q305 IC NJM4565M D 1 22241383R2 PCB 1 Q305 or IC MPC4570G2 T1 MST 1 22240489R1NE PCB 1 Q305 or IC NJM4565M 1 22240...

Page 44: ...52 1 223234R2 PCB 1 D7004 or C DIODE 1SS355 1 223269R2 PCB 1 D7702 ZENER D UDZS6 2B 1 224550620R2 PCB 1 D7702 or ZENER D UDZ6 2B 1 224490620R2 PCB 1 D7702 or ZENER D HZU6 2B 1 224660624R2 PCB 1 D9502...

Page 45: ...342101014R1 PCB 1 C106 C CERA C CC725CH1H 101J1 1 342101014R1 PCB 1 C300 TF C ECQ B50V 101K 1 374721015 PCB 1 C301 TF C ECQ B50V 101K 1 374721015 PCB 1 C302 C CERA C CC725CH1H 101J1 1 342101014R1 PCB...

Page 46: ...B 1 C709 C CERA C CK732B1A 105K 1 337361055R2 PCB 1 C710 C CERA C CK732B1A 105K 1 337361055R2 PCB 1 C711 C CERA C CC725CH1H 471J1 1 342104714R1 PCB 1 C712 C CERA C CK725F1E 104Z1 1 332161040R1 PCB 1 C...

Page 47: ...1 PCB 1 C6412 VR C CE04W16V 10M VR 1 394641007 PCB 1 C6412 or ELECT C CE04W16V10M SC 1 394741007 PCB 1 C7001 EDL C DX 5R5L104 1 3000078 PCB 1 C7001 or EDL C FMC0H104Z 1 3000120 PCB 1 C7001 or EDL C SC...

Page 48: ...14R1 PCB 1 R330 C CARBON R RN72K1J 471JE 1 435034714R1 PCB 1 R331 C CARBON R RN72K1J 471JE 1 435034714R1 PCB 1 R347 C CARBON R RN72K1J 103JE 1 435031034R1 PCB 1 R348 C CARBON R RN72K1J 103JE 1 4350310...

Page 49: ...4704R1 PCB 1 R807 C CARBON R RN72K1J 470JE 1 435034704R1 PCB 1 R808 C CARBON R RN72K1J 470JE 1 435034704R1 PCB 1 R809 C CARBON R RN72K1J 102JE 1 435031024R1 PCB 1 R810 C CARBON R RN72K1J 102JE 1 43503...

Page 50: ...1 R7038 C CARBON R RN72K1J 222JE 1 435032224R1 PCB 1 R7039 C CARBON R RN72K1J 222JE 1 435032224R1 PCB 1 R7040 C CARBON R RN72K1J 221JE 1 435032214R1 PCB 1 R7041 C CARBON R RN72K1J 103JE 1 435031034R1...

Page 51: ...JACK NPJ 6PDRW386 1 25045571 PCB 1 P301 or PIN JACK NPJ 6PDBL159 1 25045300 PCB 1 P301 or PIN JACK NPJ 6PDWWWRRR561 1 25045779 PCB 1 P302 PIN JACK NPJ 2PDBL185 1 25045333 PCB 1 P302 or PIN JACK NPJ 2...

Page 52: ...A C CC725CH1E 102J1 1 342111024R1 PCB 2 C7518 C CERA C CC725CH1E 102J1 1 342111024R1 PCB 2 C7519 C CERA C CC725CH1E 102J1 1 342111024R1 PCB 2 C7520 C CERA C CC725CH1E 102J1 1 342111024R1 PCB 2 C7521 E...

Page 53: ...2224R1 PCB 2 P7501 ST JACK YKB21 5005 1 25045724 PCB 2 P7502A SOCKET NSCT 10P1679 1 25051892 PCB 2 P7502Aor SOCKET NSCT 10P2428 1 25052531 PCB 2 P7503A SOCKET NSCT 8P1841 1 25052054 PCB 2 P7503Aor SOC...

Page 54: ...E7501 RETAINER KANAGU 1 27141059 PCB 2 JL7501A WIRE HOL NSCT 3P894 1 25051107 PCB 2 JL7501B WIRE HOL NSCT 3P894 1 25051107 PCB 2 JL7502A WIRE HOL NSCT 5P896 1 25051109 PCB 2 JL7502B WIRE HOL NSCT 5P89...

Page 55: ...1 2210756 PCB 3 Q5014 or TR 2SC1845 E 1 2211733 PCB 3 Q5030 TR KTA1024 Y 1 2215844 PCB 3 Q5030 or TR KTA1024 O 1 2215843 PCB 3 Q5030 or TR 2SA949 Y 1 2211354 PCB 3 Q5030 or TR 2SA949 O 1 2211353 PCB...

Page 56: ...TR KTC3200 BL 1 2215896 PCB 3 Q5054 or TR KTC3200 GR 1 2215895 PCB 3 Q5054 or TR 2SC1775A E 1 2210755 PCB 3 Q5054 or TR 2SC1775A F 1 2210756 PCB 3 Q5054 or TR 2SC1845 E 1 2211733 PCB 3 Q5054 or TR 2SC...

Page 57: ...C287 CERA C CK45F50V 223Z 1 335622230 PCB 3 C288 VR C CE04W6 3V 47M VR 1 394624707 PCB 3 C5000 TF C ECQ B50V 101K 1 374721015 PCB 3 C5001 TF C ECQ B50V 101K 1 374721015 PCB 3 C5002 TF C ECQ B50V 101K...

Page 58: ...RBON R R16J 75 1 417347504 PCB 3 R206 CARBON R R16J 75 1 417347504 PCB 3 R207 CARBON R R16J 680K 1 417346844 PCB 3 R208 CARBON R R16J 680K 1 417346844 PCB 3 R209 CARBON R R16J 680K 1 417346844 PCB 3 R...

Page 59: ...7341044 PCB 3 R5103 CARBON R R16J 100K 1 417341044 PCB 3 R5104 CARBON R R16J 100K 1 417341044 PCB 3 R5110 CARBON R R16J 1K 1 417341024 PCB 3 R5111 CARBON R R16J 1K 1 417341024 PCB 3 R5112 CARBON R R16...

Page 60: ...7141773 PCB 3 P6000A SOCKET NSCT 5P2185 1 25052288 PCB 3 P6001A SOCKET NSCT 5P2185 1 25052288 PCB 3 P6002A SOCKET NSCT 5P2185 1 25052288 PCB 3 P6003A SOCKET NSCT 5P2185 1 25052288 PCB 3 P6004A SOCKET...

Page 61: ...85 PCB 4 Q6071 TR 2SC2631 R 1 2214984 PCB 4 Q6071 or TR 2SC2631 S 1 2214985 PCB 4 Q6072 TR 2SC2631 R 1 2214984 PCB 4 Q6072 or TR 2SC2631 S 1 2214985 PCB 4 Q6073 TR 2SC2631 R 1 2214984 PCB 4 Q6073 or T...

Page 62: ...A 1 223205 PCB 4 D6002 or DIODE WG713A 1 223222 PCB 4 D6003 DIODE 1SS133 1 223163 PCB 4 D6003 or DIODE 1SS270A 1 223205 PCB 4 D6003 or DIODE WG713A 1 223222 PCB 4 D6004 DIODE 1SS133 1 223163 PCB 4 D60...

Page 63: ...J 1 374724734 PCB 4 C6234 TF C ECQ V50V 473J 1 374724734 PCB 4 C6701 VR C CE04W6 3V 220M VR 1 394622217 PCB 4 C6701 or ELECT C CE04W6 3V220M SC 1 394722217 PCB 4 C6703 CERA C CK45F50V 223Z 1 335622230...

Page 64: ...PCB 4 R6100 or OTHER R RGC22 0 22 OHMK 1 4000131 PCB 4 R6100 or METAL PR MPC708 2WK 0 22 1 4500027 PCB 4 R6101 CEMENT R RSS2WK 0 22 1 4800071 PCB 4 R6101 or OTHER R RGC22 0 22 OHMK 1 4000131 PCB 4 R61...

Page 65: ...1 2WBJ 390 1 443523914 PCB 4 R6902 CARBON R R16J 1K 1 417341024 PCB 4 RL901 RELAY SW NRL 1P5A DC12 102 1 25065526 PCB 4 RL901 or RELAY NRL 1P5A DC12 127 1 25065561 PCB 4 RL901 or RELAY NRL 1P5A DC12 0...

Page 66: ...25051087 PCB 4 JL6803A WIRE HOL NSCT 5P896 1 25051109 PCB 4 JL6804A WIRE HOL NSCT 5P896 1 25051109 PCB 4 JL6805A WIRE HOL NSCT 4P895 1 25051108 PCB 4 JL6951A WIRE HOL NSCT 5P896 1 25051109 PCB 4 JL69...

Page 67: ...se 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4401 555 http www onkyo net ONKYO CHINA LIMITED Units 2102 2107 Metroplaza Tower I 223 Hing Fong Road Kwai Chung N T HONG KONG Tel 852 242...

Search results

Summary of Contents for TX-SR302

Reviews:

Related manuals for TX-SR302

Brands by name

Popular brands

Onkyo TX-SR302, Service Manual

Search results

Summary of Contents for TX-SR302

Reviews:

Related manuals for TX-SR302

Brands by name

Popular brands