Onkyo R-801A Service Manual
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Onkyo R-801A Service Manual

Onkyo R-801A Service Manual

Fm stereo/am tuner amplifier
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Download this manual See also: Instruction Manual
SERVICE MANUAL
SERVICE MANUAL
FM STEREO/AM TUNER AMPLIFIER
MODEL
TUNER AMPLIFIER
STANDBY
STANDBY / ON
DISPLAY
MEMORY FM MODE
CLEAR
PHONES
European models front panel shown.
MPP
230-240V AC, 50Hz
MDT
120V AC, 50/60Hz
220-230V,50/60Hz
MGT,MGR
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.
R-801A
VOLUME
INPUT
TUNING
ACOUSTIC
PRESENCE
R
-
8 01 A
ON THE
R-801A
Ref. No. 3719
102001

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Summary of Contents for Onkyo R-801A

  • 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

    R-801A SPECIFICATIONS Amplifier Section Tuner Section General Power output Tuning range Clock precision 17 watts per channel, min RMS, at 4 FM: 87.9 to 107.9 MHz (200 kHz steps) monthly error: +/-30 seconds (U.S. & Canadian models) ohms, both channels driven 1 kHz, (at 25 degrees Celsius) 87.5 to 108.00 MHz (50 kHz steps)

  • Page 3: Service Procedures

    R-801A 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 4 R-801A PANEL VIEW FRONT PANEL STANDBY/ON button INPUT select button Remote control sensor VOLUME control Display TUNER AMPLIFIER VOLUME STANDBY STANDBY / ON DISPLAY MEMORY FM MODE INPUT TUNING CLEAR ACOUSTIC PHONES PRESENCE 8 01 A TUNING control DISPLAY button...

  • Page 5: Exploded View

    R-801A EXPLODED VIEW P901 E901 P105 P962 P963 Q511 P701 Q512 Q612 Q611 P961 F901 P961...
  • Page 6 R-801A PARTS LIST EXPLODED VIEW SECTION REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION 27111247 1A916536-1B Front bracket NAAF-7336-1B,Main PC board <PP> 28325974A 1A916536-1C Acoustic presence ass'y,Knob NAAF-7336-1C,Main PC board <DT> 27268056 Volume,Guide 1A916536-1D NAAF-7336-1D,Main PC board <GR>...
  • Page 7 R-801A SCHEMATIC DIAGRAM 3 N A D G - 7 3 4 3 N A D I S - 7 3 4 2 Display PC board R 7 3 4 1 0 0 K X 1 1 Q 7 0 5...
  • Page 8 R-801A SCHEMATIC DIAGRAM 2 Acoustic PC board N A A F - 7 3 3 7 Q 3 6 1 ( 1 / 2 ) C 3 6 1 R 3 6 1 N J M 4 5 6 5 M...
  • Page 9 R-801A SCHEMATIC DIAGRAM 1 Driver PC board Headphone PC board Acoustic PC board J L 5 0 1 B J L 5 0 1 A N A E T C - 7 3 3 9 N A A F - 7 3 3 6...

  • Page 10: Main P.c.board

    R-801A SCHEMATIC DIAGRAM 1-2 Headphone PC Main PC board Driver PC board board J L 5 0 1 B J L 5 0 1 A N A E T C - 7 3 3 9 N A A F - 7 3 3 6 2 1 .
  • Page 11 R-801A SHEMATIC DIAGRAM 1-1 Driver PC board Acoustic PC board N A A F - 7 3 3 6 N A A F - 7 3 3 7 N A A F - 7 3 3 8 ( 2 ) P A G E A .

  • Page 12: Power Supply Pc Board

    R-801A SCHEMATIC DIAGRAM 2-2 Q 3 6 1 ( 2 / 2 ) N J M 4 5 6 5 M R 3 7 4 C 3 6 9 6 8 0 C 3 8 1 1 / 5 0...
  • Page 13 R-801A SCHEMATIC DIAGRAM 2-1 Acoustic PC board N A A F - 7 3 3 7 Q 3 6 1 ( 1 / 2 ) C 3 6 1 R 3 6 1 N J M 4 5 6 5 M...
  • Page 14 R-801A SCHEMATIC DIAGRAM 3-2 R 7 3 4 Microprocessor PC board 1 0 0 K X 1 1 T A 7 2 9 1 S Q 7 0 2 C 7 0 2 1 0 4 Z R E M I N...

  • Page 15: Display Pc Board

    R-801A SCHEMATIC DIAGRAM 3-1 N A D G - 7 3 4 3 N A D I S - 7 3 4 2 Display PC board Q 7 0 5 H N A - 0 9 S S 2 7 T...
  • Page 16 R-801A WIRING DIAGRAM Acoustic PC board Headphone PC board Driver PC board N A A F - 7 3 3 8 ( 1 ) N A A F - 7 3 3 7 N A E T C - 7 3 3 9...

  • Page 17: Wiring Diagram

    R-801A WIRING DIAGRAM 2 Headphone PC board N A A F - 7 3 3 8 ( 1 ) N A E T C - 7 3 3 9 ( 1 ) P 5 0 3 B J L 5 0 1 A...
  • Page 18 R-801A WIRING DIAGRAM 1 Acoustic PC board Driver PC board N A A F - 7 3 3 7 ( 2 ) P 3 0 3 B P 3 0 4 B P 5 0 1 B P 5 0 2 B...
  • Page 19 R-801A PRINTED CIRCUIT BOARD FROM SOLDERING SIDE 1-2 Acoustic PC board NAAF-7337 Headphone PC board C467 C470 J383 NAETC-7339 NCAF-7337 25137337 J369 C468 C466 C461 Q381 C465 C366 J377 C365 P504 C367 JL501A C368 R528 C361 P504 C385 C369 J368...

  • Page 20: Component Side

    R-801A PRINTED CIRCUIT BOARD FROM SOLDERING SIDE 1-1 Main PC board NAAF-7336 P701A J541 J542 C947 Q934 E931 D943 R623 R939 C612 J543 Q932 R307 C941 R401 R301 J509 R403 R305 C781 JL501B R407 R408 R306 R402 R302 R404 C402...
  • Page 21 R-801A PRINTED CIRCUIT BOARD FROM SOLDERING SIDE 2-2 R7005 R7006 R721 R7007 Soldering R722 R7008 side R7009 L701 C730 R736 C714 C713 Microprocessor R735 R707 R706 C712 R705 C706 PC board C719 C718 L702 R704 R703 R716 R701 R702 C702...
  • Page 22 R-801A PRINTED CIRCUIT BOARD FROM SOLDERING SIDE 2-1 P102B P103B P101B J114 J102 J104 J103 J113 J112 Connection PC board J111 J101 C103 J110 NAETC-7340 J105 R104 C951 Q151 J115 J107 Q152 +12V Q101 J106 R155 P104A Q951 J108 C104...
  • Page 23 R-801A PARTS LIST CIRCUIT SECTION 1 Main PC board(NAAF-7336-1B/1C/1D/1E) Main PC board(NAAF-7336-1B/1C/1D/1E) REF. NO. PART NO DESCRIPTION REF. NO. PART NO DESCRIPTION Capacitors Q351 22241221R2 C352,C937 354761019 TC9164AF 100uF,35V,Elect. Q933 222780055JRC or C511,C611 354741009 78M05(NJM78M05FA) 10uF,16V,Elect. 222780055MIT or C781 354744709 78M05L(M5F78M05L) 47uF,16V,Elect.
  • Page 24 R-801A PARTS LIST CIRCUIT SECTION 2 Acoustic PC board(NAAF-7337-1B/1C/1D/1E) Driver PC board(NAAF-7338-1B/1C/1D/1E) REF. NO. PART NO DESCRIPTION REF. NO. PART NO DESCRIPTION Transistors Q361,Q461 22241383R2 or Q501,Q502 2216154R2 or NJM4565M-D 2SC1622A(D18) 22240489R1NE 2216153R2 MPC4570G2-T1(MST) 2SC1622A(D17) Q381 22240981R2 Q503,Q603 2216175R2 or...
  • Page 25 R-801A PARTS LIST CIRCUIT SECTION 3 Connection PC board(NAETC-7340-1B/1C/1D/1E) Microprocessor PC board(NADG-7343-1B/1C/1D/1E) REF. NO. PART NO DESCRIPTION REF. NO. PART NO DESCRIPTION Q951 222780125JRC or Q701 22241712R3 NJM78M12FA MPD78045FGF-133-3B9 222780125MIT or Q702 22240239 M5F78M12L TA7291S 222780125NEC MPC78M12HF Q704 22241297R2 BU1923F<PP>...
  • Page 26 R-801A PARTS LIST CIRCUIT PARTS 4 Power supply PC board(NAPS-7344-1B/1C/1D/1E) REF. NO. PART NO DESCRIPTION Transistors Q901 2215830 or KRC105M 2213640 DTC123JS Diodes D902-D905 22380260 or RL1N4003 22380032 or 1SR139-100 22380035 GP104003E D901,D906 223234R2 or 1SS352,Chip 223269R2 1SS355,Chip D907 223234R2 or...
  • Page 27 R-801A FL. TUBE SLEEP TIMER AUTO...

  • Page 28: Microprocessor Connection Diagram

    R-801A MICROPROCESSOR CONNECTION DIAGRAM Q381 TC9162AF Q901 RL901 Q362.Q462 Muting Power supply Muting drive Relay drive relay Acoustic switch TC9164AF Q351 Q702 TA7291S Volume Selector Q703 motor Volume motor drive System reset Initializing SIGNAL AREA Q705 AVDD Q701 AVREF HNA-09SS27T...
  • Page 29 R-801A MICROPROCESSOR CONNECTION DIAGRAM Q381 TC9162AF Q901 RL901 Q362.Q462 Muting Power supply Muting drive Relay drive relay Acoustic switch TC9164AF Q351 Q702 TA7291S Volume Selector Q703 motor Volume motor drive System reset Initializing SIGNAL AREA Q705 AVDD Q701 AVREF HNA-09SS27T...

  • Page 30: Adjustment Procedures

    R-801A ADJUSTMENT PROCEDURES Adjustment of clock frequency 1. Connect the frequency counter between the terminal P305 and Chassis. 2. Press and hold down the MEMORY button, then press the DISPLAY button.(All segments on FL tube light on) 3. Adjust the trimmer capacitor C707 so that the reading of frequency counter becomes 524.288 kHz.

  • Page 31: Packing View

    R-801A PACKING VIEW PARTS LIST REF. NO. PART NO. DESCRIPTION 29053813 Carton <PP> 29053812 Carton <DT,GT> 29053814A Carton <GR> 29362962A EAN Label 29092008 Pad ass'y 29100123C 430x550,Polybag 29095906 Sheet 24140466A RC-466S,Remote controller 3010154 UM-3,Battery 232140 NMA-3057,AM 100p antenna 29100097-1A 350x250,Polybag...
  • Page 32 Tel: 072-831-8111 Fax: 072-833-5222 ONKYO EUROPE ELECTRONICS GmbH Industriestrasse 20, 82110 Germering, GERMANY Tel: 089-849-320 Fax: 089-849-3265 E-mail: info@onkyo.de ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039 HOMEPAGE http://www.onkyo.co.jp/...

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