Pioneer a 450 r service manual
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Extracted text from pioneer a 450 r service manual (Ocr-read)
Page 1
(ID PIONEEIT
The Art of Entertainment
Sefiice _
Wanna]
ORDERNO.
ARP2305
The above illustration shows the model A»550R.
STERO AMPLIFIER
A-EEDR
A-SEDR-S
A-4SDR
A- 550R, A-SEOR-S AND A-450R HAVE THE FOLLOWING :
Model
Type Power Requirement Remarks
A-550R A-550R-S A-450R
HE O - O AC220V - 230V. 240V lSwitchableI'
HEWZ O O O AC220V - 230V. 240V ISwitchableI
Change the connection of the power Iransforrners primary wiring.
' This manual is applicable to the A - 550R/HE, HEWZ, A -- 550R -- SIHEWZ, A -- 450RIHE and HEWZ
types.
0 The A - 550R- S is the same as the A- 550R except for color.
- Ce manuel pour le service comprend les explications de réglage en frangais.
0 Este manual de servicio trata del método ajuste escrito en espafiol.
CONTENTS
1. EXPLODED VIEWS, PACKING AND 5. ADJUSTMENT ------------------------------ 28
PARTS LIST ............................................. 2 5} REGLAGE ..... 29
Z. SCHEMATIC DIAGRAM """"""""""""" 7 5. AJUSTE U 30
3. PICBOARDS CONNECTION DIAGRAM - 12 6. PANEL FACILITIES ' 31
4' PCB'S PARTS LIST ................................. 21 7. SPECIFICATIONS ................................... 33
PIONEER ELECTRONIC CORPORATION 44, Meguro I~Chome, Meguro-ku. Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. R0. Box 1760, Long Beach CaIiIomia 90801 USA
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario L3H 863 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1 9120 Beveren. Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 1787184 Boundary Road, Braeside, Vlclorla 3195. AUSIFalla TEL: [03) 580-9917 ,
© PIONEER ELECTRONIC CORPORATION 1991 UK JULY 1991 Printed in 13451
Page 2
A-55OR. A-450R
1. EXPLODED VIEWS, PACKING AND PARTS LIST
NOTES:
0 The par/S wit/I an enciri'led number are generally unavailable because they are no! in our Master Spare Parts List.
0 The A mark found on some componem parts indimles the importance of the safetyfacror ofihe part. Therefore, when replacing,
be sure lo we parts Ofidentieal designation.
0 Parts marked by <0 " are no! always kept in stock: Their delivery time may be longer Ihan usual or they may be unavailable
1.1 PARTS LIST OF A- 550R AND A-- 550R -5 TYPES
Mark No. Description Parts No. Mark No. Description Parts No.
1 ROTARY KNOB s (BASS, M31155 26 CUSHION (RUBBER) AEBlo74
TREBLE) 27 CUSHION c (RUBBER) AEB-27o
1 ROTARY KNOB s (BASS, AAB1238 28 NYLON BINDER ABC-093
TREBLE) (A- 550R_S type) 29 VET 0'4
2 ROTARY KNOB L (VOLUME AABIIeo 3° STRAIN RELIEF ABC-882
CONTROL)
2 ROTARY KNOB L (VOLUME AAB1161 31 """"""""
CONTROL) (A_550R_5 type) 32 LED ASSEMBLY sza495
3 ROTARY KNOB R (PLS) AABIIGZ Q) 33 CONTROL ASSEMBLY AWZ3496
3 ROTARY KNOB R (A _ 550R _ s M31163 34 ROTARY FUNC. ASSEMBLY AWZ3497
Type). 35 DRY CELL BATTERY AEX - 021
4 ROTARY KNOB M AAB1231 (R03) AAA)
(REC/INPUT SELECTOR)
4 ROTARY KNOB M M31235 35 STYROL PROTECTOR AHA1335
(REC/INPUT SELECTOR) 37 PACKING CASE AHDZIBO
(A_550R_s type, 37 PACKING CASE (A-550R-S AHD2131
5 PUSH KNOB (STANDBY) AAD1246 type)
5 PUSH KNOB (STANDBY) AAD2033 38 EYE ASSEMBLY AW23498
(A_550R_s type) 39 PACKING SHEET AHGIOIG
40 TERMINAL SCREW AKE - 031
6 PUSH KNOB C (SPEAKERS, AAD1366
DIRECT, PHONO SELECTOR) 41 PLUG AKM1004
6 PUSH KNOB C (SPEAKERS, AAD1367 A 42 AC SOCKET 3 - P AKP - 502
DIRECT, PHONO SELECTOR) 43 PANEL BASE AMBIGSI
(A _ 550R _ 5 type) 43 PANEL BASE(A-55()R-S type) AMB1652
7 PUSH KNOB (SUBSONIC, AAD1536 44 INDICATING LENS AMR1160
LOUDNESS) 45 INSULATOR ASSY AMR2140
7 PUSH KNOB (SUBSONIC, AAD1538
LOUDNESS) (A-550R-S type) 46 ARM AMR2142
3 POWER KNOB AAD1984 47 MICA SHEET AMR2295
8 POWER KNOB (A-55OR-S AAD2040 48 CHASSIS ANA1065
(we) 49 FRONT PANEL ANBl462
9 TACT KNOB (MUTING) AAD2003 49 FRONT PANEL (A-550R-S ANB1477
9 TACT KNOB (MUTING) AADzoaz type)
(A- 550R- 5 type) 50 REAR PANEL ANC1712
10 SENSOR WINDOW AAKI783
51 SHIELD ASSEMBLY szszO
11 POWER SW ASSEMBLY AW23493 52 BOTTOM PLATE ANF1085
12 NAME PLATE (METAL) AAM1029 53 PCB HOLDER ~' ANGII98
13 SCREW ABA _ 298 54 HEAT SINK HOLDER ANG1340
14 SCREW (STEEL) ABA1009 55 PCB HOLDER AN61580
15 SCREW (STEEL) ABA1011
56 HEAT SINK ANH1259
16 SCREW (STEEL) ABAIDIG 57 SUB HEAT SINK ANH1325
17 SCREW (STEEL) ABA1047 58 ROD ANR-879
18 SCREW (STEEL) ABA1048 59 OPERATING INSTRUCTIONS ARE1201
19 SCREW (STEEL) ABA1oso (English, French, German,
20 SCREW ABAIOBZ Italian, Dutch, Swedish, Spanish,
Portugues) (HE type)
21 BUSH 3me 59 OPERATING INSTRUCTIONS ARCIZ78
22 SPRING ABH-052 (German) (HEWZ type)
23 SPRING ABH1034 60 HEADPHONE ASSEMBLY AWZ3484
24 NUT ABN-065
A 25 AC pong CORD 301049 © 61 AF COMPLEX ASSEMBLY AWZ$487
© 62 TONE ASSEMBLY sza491