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Pioneer A-509R Service Manual

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STEREO AMPLIFIER
A-509R
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
A-509R
‡
MY
CONTENTS
1. SAFETY INFORMATION ...................................... 2
4. PCB CONNECTION DIAGRAM ......................... 16
5. PCB PARTS LIST ............................................... 21
6. ADJUSTMENT .................................................... 24
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
c
PIONEER CORPORATION 2000
STANDBY/ON
POWER
OFF
ON
A SPEAKERS B
PHONES
Power Requirement
AC220-230V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
A-509R Direct Energy MOS
STEREO AMPLIFIER
VOLUME
LINE/
TAPE 1/
CD
TUNER
PHONO
STANDBY
SB
CD-R/MD
BASS
TREBLE
BALANCE
INPUT SELECTOR
LOUDNESS
DIRECT/
SB MODE
MIN
MAX
L
R
7. GENERAL INFORMATION ................................ 25
7.1 IC .................................................................. 25
TAPE 2
MONITOR
REC SELECTOR
CD
TUNER
ORDER NO.
OFF
SOURCE
RRV2285
Remarks
T - ZZK APR. 2000 Printed in Japan

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  • Page 1: Table Of Contents

    PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...

  • Page 2: Safety Information

    The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.

  • Page 3: Exploded Views And Parts List

    A-509R 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 4 A-509R 2.2 EXTERIOR...
  • Page 5 A-509R • EXTERIOR PARTS LIST Mark No. Description Part No. Mark No. Description Part No. FRONT L Assy AWX7054 Screw BBZ30P080FCC FRONT R Assy AWX7718 LED Lens AAK2459 POWER SW Assy AWX7057 IR Filter AAK7532 AC PRIMARY Assy AWX7051 LED Lens T...

  • Page 6: Block Diagram And Schematic Diagram

    A-509R 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM CN101 IC151 Q501 CN102 RIAA Q503 ON/OFF 2.8mV AF ASSY PHONO /50kΩ 37dB IC101(1/2) TUNER FUNCTION RY101 LOUDNESS CN203 CN501 200mV /50kΩ LINE/SB VR501 RY102 VOLUME TAPE1 /CD-R 1, 2...
  • Page 7 A-509R VOLUME ASSY AF ASSY DIRECT ENERGY MOS DIRECT ON/OFF POWER AMP WRLC 40dB PROTECTION RY Q505 CN501 CN203 RY401 SP-A RY402 SP-B IC301 Q507 Q509 RY403 Q309–Q334 Q303 CN401 CN502 UNUSUAL OUTPUT FUNC DETECTION MUTE JA501 Q407, Q408 HEADPHONE ASSY...

  • Page 8: Overall Connection Diagram

    A-509R 3.2 OVERALL CONNECTION DIAGRAM HEADPHONE FRONT R ASSY ASSY (AWX7718) (AWX7052) AF ASSY (AWX7631) VOLUME ASSY (AWX7055)
  • Page 9 A-509R Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". FRONT L ASSY (AWX7054) AC PRIMARY ASSY POWER SW (AWX7051) ASSY (AWX7057)
  • Page 10 A-509R 3.3 AF ASSY CN501 : AUDIO SIGNAL ROUTE...
  • Page 11 A-509R CN601 CN803 AF ASSY (AWX7631) L406 ATX1012...
  • Page 12 A-509R 3.4 FRONT L and VOLUME ASSYS FRONT L ASSY (AWX7054) FRONT L ASSY S 701 : POWER STANDBY/ON S 702 : LOUDNESS VSG1009 S 703 : SPEAKERS A VSG1009 S 704 : SPEAKERS B VSG1009 VSG1009...
  • Page 13 A-509R VOLUME ASSY (AWX7055) CN203 : AUDIO SIGNAL ROUTE...
  • Page 14 A-509R 3.5 FRONT R, AC PRIMARY, HEADPHONE and POWER SW ASSYS AC PRIMARY ASSY (AWX7051) TO POWER TRANSFORMER T1 T2A L 250V AEK1057 AC POWER CORD • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY.
  • Page 15 A-509R POWER SW ASSY HEADPHONE ASSY (AWX7057) (AWX7052) FRONT R ASSY S 601 : INPUT SELECTOR S 603 : TAPE2 MONITOR S 604 : DIRECT/SB MODE S 606 : REC SELECTOR VSG1009 TC74HC107AP TC74HC00AP...

  • Page 16: Pcb Connection Diagram

    A-509R 4. PCB CONNECTION DIAGRAM 4.1 AF ASSY AF ASSY POWER TRANSFORMER CN803 NOTE FOR PCB DIAGRAMS: 1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below.
  • Page 17 A-509R Q401 Q406 Q413 Q414 Q451 IC451 IC151 IC452 Q452 IC101 Q409 Q410 Q412 Q411 Q407 Q323 Q408 Q324 Q319 Q101 Q151 Q322 Q104 Q153 VR301 VR302 Q313 Q318 CN601 Q309 Q312 Q325 Q334 IC301 Q301 Q304 Q251 IC251 (ANP7227-A)
  • Page 18 A-509R 4.2 FRONT L and VOLUME ASSYS FRONT L ASSY (ANP7227-A) VR752 VR751 Q701 Q702 Q704 Q703 Q705 Q707 IC751 Q706 Q751 Q752 SIDE A Q502 Q501 Q503 Q507 Q509 Q506 Q505 CN203 Q504 Q510 Q508 Q513 Q511 Q512 Q514...
  • Page 19 A-509R 4.3 FRONT R ASSY FRONT R ASSY Q616 Q606 Q610 Q617 IC603 Q609 Q608 IC602 Q618 Q605 Q604 IC601 Q603 CN202 Q602 VR601 Q601 Q612 Q613 Q611 Q614 Q615 Q607 (ANP7228-A) SIDE A CN701...
  • Page 20 A-509R 4.4 AC PRIMARY, HEADPHONE and POWER SW ASSYS POWER SW ASSY HEADPHONE ASSY CN401 (ANP7228-A) (ANP7228-A) AC POWER CORD POWER TRANSFORMER LIVE NEUTRAL (ANP7228-A) AC PRIMARY ASSY Q811 IC811 SIDE A E F G...

  • Page 21: Pcb Parts List

    A-509R Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 22 A-509R Mark No. Description Part No. Mark No. Description Part No. RESISTORS CAPACITORS R458,R459 RD1/4LMF2R2J C701 (3.3µF/25V) ACH7027 R133,R134,R171,R172 RD1/4MUF101J C753,C754 CCCSL151J50 R317,R318,R351-R354,R417 RD1/4MUF101J C751,C752,C755,C756 CEAT100M50 R339-R346 RD1/4MUF221J C759,C760 CEATR47M50 R331-R334 RD1/4MUF391J C761,C762 CEJAR10M50 R452 RD1/4MUF4R7J C757,C758 CFTLA153J50 R125,R126 RD1/4MUF821J...
  • Page 23 A-509R Mark No. Description Part No. Mark No. Description Part No. COILS HEADPHONE ASSY L601-L608 LAU221J CAPACITORS SWITCHES C551,C552 CKCYB392K50 S603,S604,S606 VSG1009 S601 ASX7002 OTHERS CABLE HOLDER (3P) 51063-0305 CAPACITORS JUMPER WIRE D15A03-150-2651 C601,C625,C635 (3.3µF/25V) ACH7027 JA501 HEADPHONE JACK RKN1002 C605 (0.22F)

  • Page 24: Adjustment

    A-509R 6. ADJUSTMENTS 6.1 IDLE CURRENT ADJUSTMENT ¶ CAUTION : Heatsinks’ (Q323–Q326) DC level is equal to +B or -B. Don’t touch them or you will be electricary chocked. 1. Connect the measuring instrument as Fig.6-1. (R415 or R416) 2. Set the VOLUME CONTROL to minimum, BASS TONE CONTROL to center, TREBLE TONE CONTROL to center and BALANCE CONTROL to center.

  • Page 25: General Information

    A-509R 7. GENERAL INFORMATION 7.1 IC PD5604A (FRONT R ASSY : IC601) • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • REMOTE CONTROL AMP MICROCOMPUTER •...

  • Page 26: Panel Facilities And Specifications

    A-509R 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 FRONT PANEL A-509R Direct Energy MOS STEREO AMPLIFIER VOLUME Î STANDBY/ON TAPE 2 LINE/ TAPE 1/ TUNER PHONO STANDBY CD-R/MD MONITOR POWER A SPEAKERS B BASS TREBLE BALANCE INPUT SELECTOR REC SELECTOR TUNER...
  • Page 27 LINE/SURROUND BACK input (the function name is LINE/SB) with a input sensitivity of 1V. For example, when the set is combined with one of Pioneer's Surround Back compatible receiver, the set can be used sa the Surround Back amplifier.

  • Page 28: Rear Panel

    A-509R 8.2 REAR PANEL 2 3 4 5 6 7 8 9 AC OUTLET SPEAKERS SIGNAL AC INLET PHONO TUNER LINE/ TAPE1/CD-R/MD TAPE2 MONITOR SURROUND PLAY PLAY BACK CONTROL SWITCHED 100W MAX PHONO terminals SPEAKERS B terminals (Right channel) SIGNAL GND (Turntable ground) terminal...

  • Page 29: Remote Control

    When the accessory remote control unit is used to operate other MD recorder connected to the TAPE 1/CD-R/MD ter- PIONEER components with the Î mark, it cannot be used to minals. operate functions which do not correspond to the functions listed TAPE 2 : For playback with a cassette deck or adaptor con- on the remote control unit.

  • Page 30: Specifications

    A-509R 8.4 SPECIFICATIONS Amplifier Section Signal-to-Noise ratio (IHF short circuit, A network) Continuous power output PHONO (MM, 5 mV input) ..........86 dB* (both channels driven at 20 Hz to 20 kHz)** CD, TUNER, LINE/SB, TAPE 1/CD-R/MD, T.H.D. 0.06 %, 8 Ω ..........45 W + 45 W* TAPE 2 MONITOR ............

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