Pioneer a 223 s service manual

Page 1

GD PIONEER

The future oI sound and vision.

ORDER NO
ARP1529

STEREO AMPLIFIER

A-223
A-EEB-S

A-223 AND A-223-m-S HAVE FIVE VERSIONS:

Applicable model!

Type A-223 A-223 5 Power requirement Export destination
.8 :

H5 0 - AC220V. 240V (switchable) * European continent
H8 0 - Aczzov. 240v (switchable) * United Kingdom
HEZ I O o Aczzov. 240v (swrtchable) * West Germany
SD 3 - ACHOV. 1207127V. 220V. 240V (switchable) Kingdom of Saudi Arabia and general market
VP Q - AC240V only Australia

* Change the primary Wiring of the power transformer.

OThis manual is applicable to the A-223/HE. HB. HEZ and A-223-S/HEZ types.
OFor the A-223/HB. HEZ and A-223-S/HEZ types. refer to page 18.
OA-223-S/HEZ type is a silver model of A-223/HEZ type.

0 For the other types. refer to additional service manuals.

CONTENTS

I. EXPLODEO VIEWS AND PARTS LIST ------- 2
2. PACKING ....................................................... 5
3, SCHEMATIC DIAGRAM ................................. 5
4. RC. BOARDS CONNECTION DIAGRAM -------- 9
5, ELECTRICAL PARTS LIST ''''''''''''''''''''''' 15
6. FOR HB. HEZ AND

A-~223-S/HEZ TYPES ------------------------------- 18

SPECIFICATIONS ......................................... 29

PANEL FACILITIES ..................................... 30

PIONEER ELECTRONIC CORPORATION «I t MCQU'U 1-Chone Vleguo-kt. Tcxyo 153. Japan

PIONEER ELECTRONICS SERVICE INC. PO Box 1760 Long Beach, Cali'nmia 90831 U S A

PIONEER ELECTRONICS OF CANADA, INC. 505 Cochranc Drwe \iarknarfl Or uh: L3F 8E3 Canaca

PIONEER ELECTRONIC [EUROPE] N.V, Keelbcrglaan .. 2T4!) Beaten Flelgmrr

PIOhEEFI ELECTRONICS AUSTRALIA PTY LTD. FB-184 Bauidary Road. Braesuce. Vlmc-Ha 31%, Aus'ral a TB [03] 5803911

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1. EXPLODED VIEW AND PARTS LIST

NOTES :

. Parts without part number cannot be supplied,

- The 3, mark found on some component parts indicates the impotance of :he salety lacior 01 the part, Therefore. when
replacing, be sure la use parts 0! identical dcsignation.

- Fnr your pans Stock Control. the fast mming items are indicated with the marks it and t.
*i GENERALLY MOVES FASTER THAN *.
This classification shall be adiusted by each distributor because it depends on mode: number. temperature humidity. etc

0 Parts marked by 'Q)" are no: always kept in stnck. Their delivery time may be longer than usual or they mar.r be unavailable.

Parts List of Exterior
Mark & Part No. Description Mark £1. Part No, Description
1 AWZ1429 AF assembly 101 Power SW assembly
2 CKDYF473250 Capacitor (C1) 102 Headphone assembly
3 COMAZZZKSO Capacitor (CZ) 103 SP SW assembly
3, t 4 ATS1050 Power transformer 104 Tone assembly
(220/240V. T1) 105 VR assemblv
iii 5 AEK-O18 Fuse (T1 .25A/250V. FU1)
106 LED assembly
6 AMR1350 Insulator assembly 107 Terminal (GND)
7 AMR1353 Insulator assembly 108 Chassis
8 AMB1319 Panel base assembly 109 Rear panel
9 M81061 Knob (VOLUME) 110 Bottom plate
10 AAB1075 Knob (BASS. TREBLE.
BALANCE}- 111 Transformer holder
112 Heat smk
11 AADIOSI Push knob A (SPEAKERS) 113 GND ring
12 MD1343 Kncb (POWER) 114 Terminal 2P (6ND)
13 AADIS45 Push rod assembly {H52 only)
14 AAM-030 Friction plate 115
15 AMH1330 Indicator lens
1 16 Barrier
16 ANB1173 Front panel
17 ANE1053 Bonnet case
18 ABH1021 Spring
19 ABH-OSZ Spring 8
20 AMR1066 Plastic rivet
21 ABA - 298 Screw
22 ABA1009 Screw
23 ABA101 1 Screw
24 ABA1047 Screw (GND)
25 ABN-OSS Nut
26 ABN1006 Flange nut (M9)
27 BBZ$0P1OOFZK Screw
28 BYC4OP1ZOFMC Screw
29 NK70FUC Nut
30 VMZSOPOGOFMC Screw
31 WSBOFMC Washer
32 WSdOFMC Washer
33 ADG1021 AC power cord
34 AAD1056 Knob
(CD. PHONO. TUNER.
TAPE1. ADPT/TAFEZ}
35 ABH10l7 Sprlng
36 ABA , 297 Screw
37 AEC1035 Plastic rivet
38 AEC818 Mica sheet