Pioneer ma 9 service manual

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(U) PIONEER

The future of sound and vision.

Scfiice

manual . i 61% ORDER NO.
I i " I2; ARP2073

MIC MIXER

MA-

.This manual ié applicable to the SD type.

CONTENTS

1. EXPLODED VIEW, PACKING AND PARTS
LIST .......................

2. IC DESCRIPTIONS" "

3. SCHEMATIC DIAGRAM~ ~~7

4. P.C. BOARDS CONNECTION DIAGRAM 11

5. BLOCK DIAGRAM ~~~~~~ 19

6. P.C.Bs PARTS LIST" 21

7. PANEL FACILITIES-- 24

8. SPECIFICATIONS """""" 26

PIONEER ELECTRONIC CORPORATION 4-1. Meguro 1-Chume, Meguro-ku, Tokyo 153, Japan

PIONEER ELECTRONICS SERVICE INC. PO. Box 1760, Long Beach, CaIifornIa 90801 USA.

PIONEER ELECTRONICS OF CANADA, INC. 505 COChIane Drive, Markham, Ontario L3H 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 2740 Beveren, BeIgium

PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195. AustraIia TEL: [03] 580-9911

© PIONEER ELECTRONIC CORPORATION 1990 3. JUNE 1990 mm in Japan

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MA-9

1. EXPLODED VIEW, PACKING AND PARTS LIST

NOTES :

- Parts without part number cannot be supplied.

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

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

Mark flo_. Part No. Description Mark fl Part No. Description
A 1 CM-22B Strain relief 101 MAIN unit
A 2 P061013 AC power cord 102 MCAB unit
A: 3 REK-076 FU101. FU102 103 MCJB unit

400mA Fuse 104 SWLB unit
4 RBH1144 Spring 105 CNB1 unit
A}. 5 RTT1140 Power transformer
106 ......
6 VXA1289 Insulator assembly 107 Chassis
A 7 P831002 Voltage selector 108 P.C.B holder
8 PACl372 Power button 109 Power joint
9 RAC1523 Key control button 110 Rear panel
A 10 AKP-507 . AC socket
11] ......
11 AAB1063 Rotary knob 112 Connection cord assembly
12 PYY1050 Bonnet 113 Front panel
13 RXA1854 Push knob assembly 114 Name plate
14 ...... 115 P.C.B base
15 RRBlO71 Operating instructions
116 Angle
16 RRGlOOZ _ Operation guide '
17 RHA1052 Pad (F)
18 RHC-154~ Packing sheet
19 RHG1207 Packing case
20 ......
21 ROE-0.10 Connection cord
22 RXX1306 Front panel assembly-S
23 RAH1711 Display panel
24 BBZSOPOSOFMC Screw
25 BBZ40P080FZK Screw
26 |BZ30P100FMC Screw
27 BBZ26P080FMC Screw
28 BBZ30P080FZK Screw
29 RHA1053 Pad (R)
30 RNK1377 REC lens