Onkyo TX-SR500/E Service Manual
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Onkyo TX-SR500/E Service Manual

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See also: Instruction Manual
SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
Black, Golden and Silver models
BMDD,BMDC
BMPP,SMPP,BMPA,GMPA
BMWT,GMWT,GMWR,GMWQ
GMGK
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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.
TX-SR500/E
120V AC, 60Hz
230-240V AC, 50Hz
120/220-230V AC, 50/60Hz
220V AC, 50Hz
ON THE
1
TX-SR500/E
Ref. No. 3727
042002

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Summary of Contents for Onkyo TX-SR500/E

  • Page 1 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...

  • Page 2: Specifications

    TX-SR500/E SPECIFICATIONS 50 dB Quieting Sensitivity AMPLIFIER SECTION Mono: 17.2 dBf, 2.0 µV (75 ohms) Continuous Average Power output (FTC) Stereo: 37.2 dBf, 20.0 µV (75 ohms) All channels: 65 watts per channel min. RMS at 8 ohms, Capture Ratio: 2.0 dB...

  • Page 3: Service Procedures

    TX-SR500/E SERVICE PROCEDURES 1. Replacing the fuses 5.Setting the voltage selector (Worldwide models This symbol located near the fuses indicates that the only) fuse used is fast operating type. For continued protection against fire hazard, replace with same type fuse. For fuse rating refer to Worldwide models are equipped with a voltage selector to conform the marking adjacent to the symbol.

  • Page 4: Exploded View

    TX-SR500/E EXPLODED VIEW P901 P101 Chinese model only P7001 Q6050 F6901 P7503 F6902 F903 F901 F902 Q6064 T901 4 & U18:Except 120V model...

  • Page 5: Exploded View Parts List

    TX-SR500/E EXPLODED VIEW-PARTS LIST NOTE: THE COMPONENTS IDENTIFIED BY MARK ! REF.NO. PART NO. DESCRIPTION ARE CRITICAL FOR RISK OF FIRE AND 27212368 Front panel <D> REF.NO. PART NO. DESCRIPTION ELECTRIC SHOCK. REPLACE ONLY WITH 27212369 Front panel <B><P> PART NUMBER SPECIFIED.
  • Page 6 TX-SR500/E REF.NO. PART NO. DESCRIPTION EXPLODED VIEW-PARTS LIST Note: 1A928519-1A NAPS-7419-1A,Terminal PC board ass'y <D> <B>: Black model only <G>: Golden model only 1A928519-1B NAPS-7419-1B,Terminal PC board ass'y <P> <S>: Silver model only 1A928519-1C NAPS-7419-1C,Terminal PC board ass'y <A> REF.NO. PART NO.

  • Page 7: Block Diagram

    TX-SR500/E BLOCK DIAGRAM 1 To/From Main Microrocessor B D 3 8 1 1 K 1 R D S F M / A M T U N E R D E C O D E R P A C K B U 1 9 2 3...
  • Page 8 TX-SR500/E BLOCK DIAGRAM 2 M A S T E R V O L U M E U T G A I N P o w e r A m p l i f i e r 0 , , - 1 0 3 d B...

  • Page 9: Schematic Diagram

    TX-SR500/E SCHEMATIC DIAGRAM 1 DISPLAY SECTION N A D I S - 7 4 0 3 Q 7 5 0 1 H N A - 1 6 M M 3 9 T C 7 5 0 5 4 7 3 Z...

  • Page 10: Dsp Section

    TX-SR500/E SCHEMATIC DIAGRAM 2-1 - DSP SECTION- 7 8 L 0 7 Q 3 2 1 + 7 V R 3 0 0 C D R 3 3 0 R 6 4 0 2 Q 6 4 0 2 Q 3 2 2 7 9 L 0 7...
  • Page 11 TX-SR500/E SCHEMATIC DIAGRAM + 2 2 V 2-2 -DSP SECTION- S E C 1 - 1 G N D S E C 1 - 2 S E C 3 - 1 R L 1 N 4 0 0 3 D 9 5 0 2 - 9 5 0 5 : P 1 0 1 <...

  • Page 12: Video Section

    TX-SR500/E SCHEMATIC DIAGRAM 3 - VIDEO SECTION- N C E T C - 7 4 0 7 N A V D - 7 4 2 2 C 2 2 7 2 2 3 Z + 1 2 V G N D...

  • Page 13: Power Amplifier

    TX-SR500/E SCHEMATIC DIAGRAM 4-1 POWER AMPLIFIER 1 N A A F - 7 4 0 9 P 4 0 6 A R 5 1 6 3 4 9 . 9 V 1 2 0 ( 1 / 4 W )

  • Page 14: Power Amplifier Section

    TX-SR500/E SCHEMATIC DIAGRAM 4-2 POWER AMPLIFIER SECTION 2 T O N A D G - 7 4 0 1 N A A F - 7 4 0 9 ( S C H . 2 - 2 ) P 4 0 6 A...
  • Page 15 TX-SR500/E SCHEMATIC DIAGRAM 5-1 POWER AMPLIFIER SECTION 3 N A A F - 7 4 1 7 5 0 V 1 . 1 V Q 6 0 3 3 R 6 0 8 3 R 6 1 6 3 R 6 0 3 3 2 .
  • Page 16 TX-SR500/E SCHEMATIC DIAGRAM 6-1 PRIMARY AND SP TERMINAL SECTIONS P / W / G - T Y P E N A E T C - 7 4 1 2 C 6 6 0 0 1 0 3 J P 6 8 0 0 L 6 8 0 0 S 1 .
  • Page 17 TX-SR500/E SCHEMATIC DIAGRAM 5-2 POWER AMPLIFIER 4 N A A F - 7 4 1 7 5 0 V 1 . 1 V Q 6 0 3 0 R 6 0 8 0 R 6 1 6 0 R 6 0 3 0 2 .
  • Page 18 TX-SR500/E SCHEMATIC DIAGRAM 6-2 SECONDARY CIRCUIT PC BOARD N A E T C - 7 4 1 0 N O T E A R E C R I T I C A L F O R S A F E T Y...

  • Page 19: Wiring View

    TX-SR500/E WIRING VIEW 1 P6800 P6802 P6801 NAETC-7412,Speaker terminal PC board ass'y NAPS-7420,Primary circuit JL6803B JL6805B JL6804B PC board ass'y E921 S902 S902 P902 P926 P925 P922A 120V 220V ETC-7424 P921A P911 JL6805A P918 JL6803A P917 P912 P913 P6923 P922...

  • Page 20: Nadg

    TX-SR500/E WIRING VIEW 2 NAETC-7406, P261B P253B Front video P305 P304 P302 P301 P351 PC board ass'y P304 P302 P305 NADG-7401, DSP circuit PC board ass'y OPTOUT COAX OPT1 DGND P253A OPT2 NAVD-7422,Video VMUT1 VMUT2 CTLB CTLA terminal PC board ass'y...
  • Page 21 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 1-1 FROM SOLDERING SIDE NADIS-7403,Display circuit PC board P7503A P7502A R7580 J7548 J7544 STEREO DIRECT C7502 J7549 J7524 U7501 S7641 S7501 S7642 J7525 C7521 SURROUND J7512 J7538 S7501 S7643 S7644 J7528 J7537 C7514 J7539 J7526...
  • Page 22 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 1-2 FROM SOLDERING SIDE NAETC-7405,Headphone NADIS-7403,Display circuit PC board terminalPC board 25137405 NCETC-7405 P7501 JL7502B R7581 R7582 Q7501 P7501 J7571 J7572 J7574 J7551 J7573 Q7501 E7501 Component side D7505 X7501 J7506 J7507 J7541 J7533 L7503...

  • Page 23: Printed Circuit Board

    TX-SR500/E PRINTED CIRCUIT BOARD 2-1 Pink:Parts and Copper foil side NADG-7401,DSP circuit PC board Black:Copper foil side P7701 C7002 P6403 C6401 D7002 R7080 R7180 R7079 R7003 R7179 C7003 R7078 Q6405 Q6402 Q6406 R7077 Q7008 R7076 C7009 R7071 C6409 C6403 C7008...
  • Page 24 TX-SR500/E PRINTED CIRCUIT BOARD 2-2 Pink:Parts and Copper foil side NADG-7401,DSP circuit PC board Black:Copper foil side R382 R385 C365 C352 R300 P801 C351 R383 R376 E300 P261A R388 R7021 R7022 R7023 R7024 R7025 C349 Q313 C300 R7026 Q312 R322...
  • Page 25 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 6 FROM SOLDERING SIDE NASW-7404,Standby switch PC board JL7501B Component side R7614 Sodlering side NAETC-7406,Front video PC board NCETC-7406 P261B P253B 25137406 P251 P254 P251 Component side R252 R251 R253 C261 C263 C253 Soldering side...
  • Page 26 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 4-1 FROM SOLDERING SIDE J6154 J6132 Q6014 Q6013 Q6012 Q6064 Q6054 Q6063 Q6053 Q6062 Q6052 R6094 R6093 R6092 J6155 J6112 J6133 J6156 J6140 J6139 J6125 J6113 J6165 J6150 J6145 J6129 J6123 C6523 J6168 J6166 J6151...
  • Page 27 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 4-1 FROM SOLDERING SIDE J6154 J6132 Q6014 Q6013 Q6012 Q6064 Q6054 Q6063 Q6053 Q6062 Q6052 R6094 R6093 R6092 J6155 J6112 J6133 J6156 J6140 J6139 J6125 J6113 J6165 J6150 J6145 J6129 J6123 C6523 J6168 J6166 J6151...
  • Page 28 TX-SR500/E PRINTED CIRCUITBOARD VIEW 4-2 FROM SOLDERONG SIDE J6111 J6056 Q6012 Q6011 Q6010 J6016 Q6052 Q6061 Q6051 Q6060 Q6050 R6092 R6091 R6090 J6112 J6057 J6113 J6097 J6075 J6038 J6015 J011A J010A J6123 J6106 J6094 J6052 J6036 R6510 J6124 J6107 J6095...
  • Page 29 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 5-1 FROM SOLDERING SIDE RLGND +13VS POWER SPCS SE1H VOLH MPUGND MPUGND JL9501 J5217 +24V AGND J5214 J5213 J5212 BRLD FRLD CSRLD +24V C6852 R6802 J5310 L6802 R6812 L6802 D6604 J5302 C6854 RSSPE LSSPE R6813...
  • Page 30 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 5-2 FROM SOLDERING SIDE NCPS-7420 25137420 P901A AC-G AC-H P908 P909 J6310 J6302 AC-G AC-H T2.5AL250V F903 J6305 J6312 F903B J6304 J6311 F903A 6.3A/125V J6315 J6316 F901 F901B C901 F901A C901 J6313 F902B RL901 F902A...
  • Page 31 TX-SR500/E PRINTED CIRCUIT BOARD VIEW 3 FROM SOLDERING SIDE R5170 Q5010 R5070 R5080 Q5050 D5000 J5003 R5100 C5040 C5090 J5002 R5020 R5130 R5010 C5110 R5180 Q5030 C5010 R5000 R5190 C5000 J5006 J5014 J5008 J5009 J5007 P206B P5001 Q281 J237 J5010...

  • Page 32: Printed Circuit Board-Parts List

    TX-SR500/E NOTE: <D>:120V model only PRINTED CIRCUIT BOARD-PARTS LIST 1 <P>: European model only <O>: Except 120V model DSP CIRCUIT PC BOARD <NADG-7401-1A/1B/1C/1D> CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Capacitors C101,C103 394680337 3.3uF,50V,Elect. Q181 22241297R2 BU1923F <P>...
  • Page 33 TX-SR500/E PRINTED CIRCUIT BOARD-PARTS LIST 2 CIRCUIT NO. PART NO. DESCRIPTION HEADPHONE TERMINAL PC BOARD <NAETC-7405-1A/1B> Plugs CIRCUIT NO. PART NO. DESCRIPTION P261A 25055133 NPLG-3P117 P7501 25045514 YKB26-5005,Headphone P410B,P411B 25055706 NPLG-10P662 JL7502B 25051109 NSCT-5P896,Socket P801 25055710 NPLG-14P666 FRONT VIDEO PC BOARD <NAETC-7406-1A/1B>...
  • Page 34 TX-SR500/E PRINTED CIRCUIT BOARD-PARTS LIST 3 REGULATOR PC BOARD (NAETC-7410-1A/1B) POWER AMPLIFIER PC BOARD (NAAF-7417-1A/1B/1C/1D/1E/1F) CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Q6931 222780565JRC NJM78M56FA,IC Transistors D6932,D6933 22380260 or RL1N4003 or Q6010~Q6014 2213284 or 2SC1740S-R or 22380035...
  • Page 35 TX-SR500/E PRINTED CIRCUIT BOARD-PARTS LIST 4 CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Resistors Resistors R6040-R6044 5210258 N06HR1KBC,Trimming R901 4000206S or RD1/2SPH-3.3M or R6070-R6074 415471014 100ohm+/-5%,1/4W,NF carbon 431533355 RC1/2GFKUL-3.3M <D> R6080-R6084 415470224 2.2ohm+/-5%,1/4W,NF carbon R924 443528204 82ohm+/-5%,1/2W,Metal oxide...
  • Page 36 TX-SR500/E PRINTED CIRCUIT BOARD-PARTS LIST CIRCUIT NO. PART NO. DESCRIPTION Capacitors C201,C202 394680227 2.2uF,50V,Elect. C203,C205 394641017 100uF,16V,Elect. C204 394680227 2.2uF,50V,Elect. C207,C209 394680227 2.2uF,50V,Elect. C211,C215 394641017 100uF,16V,Elect. C213 394680227 2.2uF,50V,Elect. C217,C218 394680227 2.2uF,50V,Elect. C221,C223 394644707 47uF,16V,Elect. C225 394644707 47uF,16V,Elect. C285,C288 394624707 47uF,6.3V,Elect.
  • Page 37 TX-SR500/E MAIN MICROPROCESSOR-CONNECTION DIAGRAM RL901 Q921 POWER Q7006,Q205 Q201,Q207,Q208 VIDEO 2 VIDEO 1 RELAY MUTE DRIVE MUTE SW CIRCUIT Q7007,Q206 Q202,Q210,Q211 RL6600 VIDEO 1 VIDEO 2 MUTE DRIVE MUTE SW RL6603, CIRCUIT Q6601 RL6604 Q307~Q313 Q306 FRONT SP AUDIO MUTE...

  • Page 38: Connection Diagram

    TX-SR500/E SUB-MICROPROCESSOR CONNECTION DIAGRAM Q7501 FL TUBE HNA-16MM39T FIP19 P46/FIP38 40 FIP18 P47/FIP39 39 P50/FIP40 38 FIP17 FIP16 P51/FIP41 37 FIP15 P52/FIP42 36 FIP14 P53/FIP43 35 FIP13 P54/FIP44 34 FIP12 P55/FIP45 33 FIP11 P56/FIP46 32 Q7502 P57/FIP47 31 FIP10 FIP9...
  • Page 39 TX-SR500/E TERMINAL DESCRIPTION MAIN MICROPROCESSOR No. Terminal I/O Description PROTECT Protection circuit detection input terminal VOLH Power amplifier voltage detection terminal. BAND Region setting input terminal. 11 232TXD Not used. 12 232RXD Not used. 15 MCRDY Data ready detection input terminal from the sub microprocessor.
  • Page 40 TX-SR500/E TERMINAL DESCRIPTION SUB MICROPROCESSOR Pin No. Symbol I/O Description Pin No. Symbol I/O Description Power supply terminal. Connect to 5V. Segment output terminal of P22. Ground terminal. Segment output terminal of P21. Ceramic oscillator connection terminals for main system.

  • Page 41: Adjustment And Confirmation Procedures

    TX-SR500/E ADJUSTMENT AND CONFIRMATION PROCEDURES 1 Idling current adjustment Before Idling adjustment, turn the trimming resistors R6040,R6041,R6042,R6043 and R6044 to counter clockwise. Connect the DC voltmeter to sockets P6080,P6081,P6082,P6083 and P6084. After turn POWER to ON, adjust the trimming resistors R6040 and R6041 so that the reading of voltmeter becomes 2.5 mV.
  • Page 42 TX-SR500/E ADJUSTMENT AND CONFIRMATION PROCEDURES 2 3. Confirmation of Current detection circuit Set the unit to "TEST-1-00". Connect the differentiating circuit and apply the 200Hz square signal to MULTI CHANNEL INPUT terminal of each channel. Adjust the attenuator or Volume so that the output level becomes 35V p-p.

  • Page 43: Packing Procedures

    TX-SR500/E PACKING PROCEDURES Bottom Accessary bag Put the label 81 between page 2 and page 3 of instruction manual E. NOTE: THE COMPONENTS IDENTIFIED BY MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH Speaker Cable PART NUMBER SPECIFIED.
  • Page 44 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8111 Fax: 072-833-5222 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 E-mail: onkyo@onkyousa.com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6,82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 E-mail: info@onkyo.de...

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