Pioneer ax 320 service manual

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(7143111131

ORDER NO.
ARP1218 -A

STEREO AMPLIFIER

-X320(BK

MODEL A-X320 [BK] COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS:

Type Power requirement Export destination
HE AC 220V, 240V (switchable) European continent

HB AC 220V, 240V (switchable) United Kingdom

HEZ AC 220V, 240V (switchable) West Germany

0 This service manual is applicable to the HE and HB types.
0 As to the HB type, please refer to page 12.
0 As to the HEZ type, please refer to the additional service manual (ARP1219) .

CONTENTS

1. EXPLODED VIEW AND PARTS LIST ........ 2 4. PACKING ............................ 9
2. RC. BOARDS CONNECTION DIAGRAM ...... 5 5. ELECTRICAL PARTS LIST ............... 10
3. SCHEMATIC DIAGRAM .................. 7 6. FOR HB TYPE ........................ 12

PIONEER ELECTRONIC CORPORATION 4.1, Meguro l-Dhclme, Meguro»ku. Tokyo 153. Japan
mamas: ELECTRONIC-E senvu: we. Po. Box 178C). Long Beach, California scam USA, TEL: (213: 420.5700
PIONEER ELECTRONIC (EUROPE! N . Keetberglsan 1. e740 Beveran. Belgium TEL: (La/775 - as - DB

PIONEER ELECTRONICS AUSTRALIA FTY. LTD. 178484 Boundary Road, Brasslde. Victoria 3195, Australia

TEL: 03] 58089 IFV © JULY, 1986 Printed in Japan

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1. EXPLODED VIEW AND PARTS LIST

' NOTES:

0 Parts without part number cannot be supplied.

O The A mark found on some component parts indicates the importance of the safety
factor of the part Therefore, when replacing, be sure to use parts of identical designa-
tion.

0 For your parts Stock Control, the fast moving items are indicated with the marks * a
and t.

a * GENERALLY MOVES FASTER THAN *
This classification shall be adjusted by each distributor because it depends on model
number, temperature, humidity, etc.

0 Parts marked by © are not always kept in stock. Their delivery time may be longer
than usual or they may be unavailable.

Parts List
Mark No. Part No, Description Mark 2; Part No. Description
1 AWle30 AF assembly A: 25 1036068 AC power cord
2 CKDYF473ZSO Cl Ceramic capacitor 26 BBZ30P080FZK Screw (3 X8)
A 3 $1038 T1 Power Transformer 27 VBZ30P060FHC Screw (3X6)
A 4 AKP-502 3? AC outlet 23 VMZ30P060FMC Screw (3X6)
A 5 AFKA508 FUl Fuse (TIA) 29 BPZ30P080FZK Screw (3X8)
A 6 AEK»403 FU2 Fuse (T2.5A) 30 BBZ30P060FZK Screw (3X6)
7 AEP-320 Leg assembly 31 BBZSOPIOOFZK Screw (3X10)
8 AABlOlO Rotary Knob 32 HS30FMC Washer
(BASS, TREBLE, BALANCE) 33 ABAA256 Screw
9 AADIOSB Function Knob (FUNCTION)
101 Power switch assembly
10 AA01057 " Push Knob A (SPEAKERS) 102 Headphone assembly
11 AA01059 Push rod 103 SP SN assembly
12 AADIOSQ Power Knob (POWER) 104 Tone assembly
13 AAEIO34 Volume Knob (MASTER VOLUME) 105 VR assembly
14 AAK1129 Display plate B
106 LED Assembly
15 AAK1130 Display plate A 107 Terminal (GND)
16 AMBIOQI Front panel base 108 Chassis
17 AM31093 Front panel 109 Rear panel
18 AHRIOQO Indicator lens 110 Bottom plate
19 AN131044 Bonnet. case
111 Slider
20 ABH1017 Coil spring 112 Tracing paper
21 ABH1018 Coil spring 113 Barrier
22 AMHIOGG Nylon rivet
23 ABM-055 Holder nut
24 ABM-072 Flange nut (H9)