Onkyo HT-R500 Service Manual
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Onkyo HT-R500 Service Manual

Onkyo HT-R500 Service Manual

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Table of Contents

See also: Instruction Manual
SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
Black models
BMDD
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.
HT-R500
120V AC, 60Hz
ON THE
HT-R500
Ref. No. 3728
042002

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Summary of Contents for Onkyo HT-R500

  • 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 HT-R500 SERVICE PROCEDURES 1. Replacing the fuses This symbol located near the fuses indicates that the fuse used is fast operating type. For continued protection against fire hazard, replace with same type fuse. For fuse rating refer to the marking adjacent to the symbol.

  • Page 3: Exploded View

    HT-R500 EXPLODED VIEW P901 P101 P7001 Q6050 F6901 P7503 F6902 F901 Q6064 T901...

  • Page 4: Parts List

    HT-R500 CAUTION: Replacement for transistor of mark *, if necessary EXPLODED VIEW must be made from the same beta group (h ) as the original type. PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 27111268 Front bracket P901...
  • Page 5 HT-R500 BLOCK DIAGRAM 1 To/From Main Microrocessor B D 3 8 1 1 K 1 F M / A M T U N E R P A C K V I D E O 3 I N P U T G A I N...
  • Page 6 HT-R500 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 7 HT-R500 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 8 HT-R500 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 9 HT-R500 SCHEMATIC DIAGRAM 2-2 + 2 2 V DSP section S E C 1 - 1 G N D S E C 1 - 2 T O N A D I S - 7 4 0 3 S E C 3 - 1 <...
  • Page 10 HT-R500 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 11 HT-R500 SCHEMATIC DIAGRAM 4-1 Power amplifier section 1 N A A F - 7 4 0 9 P 4 0 6 A R 5 1 6 3 6 3 V 1 2 0 ( 1 / 4 W ) R 5 1 1 3 R 5 1 8 3 6 2 .

  • Page 12: Schematic Diagram

    HT-R500 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 13: Schematic Diagram

    HT-R500 SCHEMATIC DIAGRAM 5-1 Power amplifier section 3 N A A F - 7 4 1 7 [ 6 3 . 1 V ] Q 6 0 3 3 [ 1 . 1 V ] R 6 0 8 3...

  • Page 14: Power Amplifier Section

    HT-R500 SCHEMATIC DIAGRAM 5-2 Power amplifier section 4 N A A F - 7 4 1 7 [ 6 3 . 1 V ] Q 6 0 3 0 [ 1 . 1 V ] R 6 0 8 0...

  • Page 15: Schematic Diagram

    HT-R500 SCHEMATIC DIAGRAM 6 Power supply section N O T E N A E T C - 7 4 1 0 A R E C R I T I C A L F O R S A F E T Y...

  • Page 16: Schematic Diagram

    HT-R500 SCHEMATIC DIAGRAM 7 Speaker terminal section N A E T C - 7 4 1 2 C 6 6 0 0 1 0 3 J P 6 8 0 0 F R O N T D 6 6 0 0...
  • Page 17 HT-R500 WIRING VIEW 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 P923...

  • Page 18: Nadg

    HT-R500 WIRING VIEW NAETC-7406, P261B P253B Front video P305 P304 P302 P301 P351 PC board ass'y P305 P304 P302 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 19 HT-R500 PRINTED CIRCUIT BOARD VIEW 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 20 HT-R500 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 21: Printed Circuit Board

    HT-R500 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 22 HT-R500 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 23 HT-R500 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 24 HT-R500 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 25 HT-R500 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 26 HT-R500 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 27 HT-R500 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 28 HT-R500 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 29 HT-R500 PRINTED CIRCUIT BOARD-PARTS LIST 1 CIRCUIT NO. PART NO. DESCRIPTION DSP CIRCUIT PC BOARD(NADG-7401-1F) Capacitors CIRCUIT NO. PART NO. DESCRIPTION C363,C364 393341007 10uF,16V,Elect. C6401 374721044 0.1uF+/-5%,50V,Plastic Q301 22241761R3 BD3811K1 C6404,C6406 394641007 10uF,16V,Elect. Q302,Q305 22241383R2, NJM4565M-D, C6410,C6412 394641007 10uF,16V,Elect. Q802~Q804...
  • Page 30 HT-R500 PRINTED CIRCUIT BOARD-PARTS LIST 2 CIRCUIT NO. PART NO. DESCRIPTION POWER AMPLIFIER DRIVER PC BOARD (NAAF-7409-2A) Transistors CIRCUIT NO. PART NO. DESCRIPTION Q7504 2216230R2 or KRA103S or Transistors 2214540R2 RN2403 Q5000~Q5004 2215896, * KTC3200-BL, Q7506 2216190R2 or KRC102S or...
  • Page 31 HT-R500 NOTE: THE COMPONENTS IDENTIFIED BY MARK ! PRINTED CIRCUIT BOARD-PARTS LIST 3 ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. SECONDARY PC BOARD (NAETC-7411-2A) CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO.
  • Page 32 HTR-500 PRINTED CIRCUIT BOARD-PARTS LIST 4 PRIMARY CIRCUIT PC BOARD (NAPS-7420-2A) CIRCUIT NO. PART NO. DESCRIPTION Coils CIRCUIT NO. PART NO. DESCRIPTION L281,L282 233454K220 NCH-1452 220K Transistors Q921 2215864, KTC3199-GR, L283 233454M022 NCH-1452 022M 2212115, 2SC2458-GR, Capacitors 2213284 or 2SC1740S-R or C201,C202 394680227 2.2uF,50V,Elect.
  • Page 33 HT-R500 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 34: Connection Diagram

    HT-R500 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 35 HT-R500 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 36 HT-R500 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 37 HT-R500 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 38 HT-R500 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 39 HT-R500 PACKING PROCEDURES Bottom Accessary bag Put the label 81 between page 2 and page 3 of instruction manual E. REF.NO. PART NO. DESCRIPTION 29092044 Speaker Cable 29100034-1A 850*650,Poly bag 29110149 Tape, cellophane 29110148 PP tape 29100201 350*200*W250,Polybag 29053904B Carton box...
  • Page 40 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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