Pioneer A-107 Service manual

4 (1)

ORDER NO.

RRV1913

STEREO AMPLIFIER

A-107

Ö Refer to the service manual RRV1935 for A-207/MLXJ.

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Type

Model

Power Requirement

Remarks

 

A-107

 

 

 

 

 

 

 

MLXJ

à

AC220–230V

 

 

 

 

 

MYXJ/EW

à

AC220–230V

 

 

 

 

 

MYXJ/GR

à

AC220–230V

 

 

 

 

 

MVXJ

à

AC220–230V

 

 

 

 

 

YPWXJ

à

AC240V

 

 

 

 

 

CONTENTS

1. CONTRAST OF MISCELLANEOUS PARTS

........

2

 

2. SCHEMATIC DIAGRAM

.......................................

6

 

 

PIONEER ELECTRONIC 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 ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923

PIONEER ELECTRONIC CORPORATION 1998

T – ZZE MAY 1998 Printed in Japan

A-107

1. CONTRAST OF MISCELLANEOUS PARTS

NOTES : Ö Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List.

ÖThe 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 designation.

ÖReference Nos. indicate the pages and Nos. in the service manual for the base model.

ÖWhen ordering resistors, first convert resistance values into code form as shown in the following examples.

Ex. 1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by

J = 5%, and K = 10%).

 

560 Ω =56 × 10 1 =561 ...................................................

RD1/4PU 5 6 1 J

47k Ω =47 × 10 3 =473 ..................................................

RD1/4PU 4 7 3 J

0.5 Ω =R50 ......................................................................

RN2H å 5 0 K

1 Ω =1R0 .........................................................................

RS1P 1 å 0 K

Ex. 2

When there are 3 effective digits (such as in high precision metal film resistors).

 

5.62k Ω =562 × 10 1 =5621 ...........................................

RN1/4PC 5 6 2 1 F

CONTRAST TABLE

A-107/MLXJ, MYXJ/EW, MYXJ/GR and A-207/MLXJ are constructed the same except for the following:

 

 

 

 

 

 

Part No.

 

 

Ref. No. Mark

 

Symbol and Description

A-207

 

A-107

 

Remarks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MLXJ

MLXJ

MYXJ/EW

MYXJ/GR

 

 

 

 

 

 

 

 

 

 

 

 

 

PCB ASSEMBLIES

 

 

 

 

 

 

NSP

CONTROL ASSY

AWG7012

AWG7011

AWG7011

AWG7011

 

P5

- 2

 

 

FRONT R ASSY

AWX7121

AWX7121

AWX7121

AWX7121

 

 

 

P5

- 1

 

 

FRONT L ASSY

AWX7122

AWX7120

AWX7120

AWX7120

 

 

 

NSP

AF COMPLEX ASSY

AWM7355

AWM7353

AWM7353

AWM7353

 

P5

- 6

 

 

VOLUME ASSY

AWX7112

AWX7112

AWX7112

AWX7112

 

 

 

 

P5

- 4

 

 

AC PRIMARY ASSY

AWX7113

AWX7113

AWX7113

AWX7113

 

 

 

 

P5

- 5 NSP

 

 

HEADPHONE ASSY

AWX7114

AWX7114

AWX7114

AWX7114

 

 

 

P5

- 7

 

 

AF ASSY

AWX7116

AWX7111

AWX7111

AWX7111

 

 

 

 

PACKING

 

 

 

 

 

P3

- 1

Operating Instructions

ARE7158

ARE7158

Not used

Not used

 

 

 

(Engkish/Spanish/Chinese)

 

 

 

 

 

P3

- 1

Operating Instructions (English)

Not used

Not used

ARB7137

Not used

 

P3

- 1

Operating Instructions (German)

Not used

Not used

ARC7178

ARC7178

 

P3

- 1

Operating Instructions

Not used

Not used

ARC7179

Not used

 

 

 

(French/Spanish/Italian/Dutch/

 

 

 

 

 

 

 

Swedish/Portuguese)

 

 

 

 

 

P3

- 5

Packing Case

AHD7562

AHD7560

AHD7559

AHD7559

 

 

NSP

Warranty Card

Not used

Not used

ARY7009

ARY7009

 

 

 

EXTERIOR SECTION

 

 

 

 

 

P5

- 8

Fuse (FU1 : 1.25A)

REK1023

Not used

Not used

Not used

 

P5

- 8

Fuse (FU1 : 0.8A)

Not used

REK1021

REK1021

REK1021

 

P5

- 11

Power Transformer

ATS7190

ATS7192

ATS7192

ATS7192

 

 

 

(T1 : AC220–230V)

 

 

 

 

 

P5

- 13

Rear Panel

ANC7642

ANC7637

ANC7620

ANC7620

 

P5

- 14

Insulator

AMR7198

AMR7198

PNW2766

PNW2766

 

P5

- 16

Screw

ABA1027

BBZ30P080FZK

BBZ30P080FZK

BBZ30P080FZK

 

P5

- 38

Front Panel

AMB7492

AMB7491

AMB7491

AMB7491

 

Note : Refer to “ 7 CONTRAST OF PCB ASSEMBLIES ” and “ 2. SCHEMATIC DIAGRAM ”.

2

Pioneer A-107 Service manual

A-107

A-107/MVXJ, YPWXJ, and A-207/MLXJ are constructed the same except for the following:

 

 

 

 

 

 

Part No.

 

 

Ref. No. Mark

 

 

Symbol and Description

A-207

A-107

 

Remarks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MLXJ

MVXJ

YPWXJ

 

 

 

 

 

 

 

 

 

 

 

 

PCB ASSEMBLIES

 

 

 

 

 

NSP

CONTROL ASSY

AWG7012

AWG7011

AWG7011

 

P5

- 2

 

 

FRONT R ASSY

AWX7121

AWX7121

AWX7121

1

 

 

P5

- 1

 

 

FRONT L ASSY

AWX7122

AWX7120

AWX7120

 

 

 

NSP

AF COMPLEX ASSY

AWM7355

AWM7353

AWM7353

 

P5

- 6

 

 

VOLUME ASSY

AWX7112

AWX7112

AWX7112

 

 

 

 

P5

- 4

 

 

AC PRIMARY ASSY

AWX7113

AWX7113

AWX7113

 

 

 

 

P5

- 5 NSP

 

 

HEADPHONE ASSY

AWX7114

AWX7114

AWX7114

1

 

 

P5

- 7

 

 

AF ASSY

AWX7116

AWX7111

AWX7111

 

 

 

 

PACKING

 

 

 

 

P3

- 1

Operating Instructions

ARE7158

Not used

Not used

 

 

 

(English/Spanish/Chinese)

 

 

 

 

P3

- 1

Operating Instructions (English)

Not used

ARB7137

ARB7137

 

P3

- 5

Packing Case

AHD7562

AHD7559

AHD7560

 

P3

- 9

Power Cord

ADG1154

Not used

ADG1160

 

 

 

Power Cord with Fuse

Not used

ADG1156

Not used

2, No.1

 

 

Fuse (T5A)

Not used

AEK1046

Not used

2, No.2

 

NSP

Air Cap

Not used

AHG1087

Not used

2, No.3

 

NSP

Warranty Card

Not used

ARY7009

PRY1003

2, No.4

 

 

EXTERIOR SECTION

 

 

 

 

P5

- 8

Fuse (FU1 : 1.25A)

REK1023

Not used

Not used

 

P5

- 8

Fuse (FU1 : 0.8A)

Not used

REK1021

REK1021

 

P5

- 11

Power Transformer (T1 : AC220–230V)

ATS7190

ATS7192

Not used

 

P5

- 11

Power Transformer (T1 : AC240V)

Not used

Not used

ATS7193

 

P5

- 13

Rear Panel

ANC7642

ANC7620

ANC7638

 

P5

- 14

Insulator

AMR7198

PNW2766

AMR7198

 

P5

- 16

Screw

ABA1027

BBZ30P080FZK BBZ30P080FZK

 

P5

- 38

Front Panel

AMB7492

AMB7491

AMB7491

 

Note 1: Refer to “ 7 CONTRAST OF PCB ASSEMBLIES ” and “ 2. SCHEMATIC DIAGRAM ”.2: Refer to “ 7 EXPLODED VIEWS ”.

EXPLODED VIEWS

MVXJ type Only

No.1

No.2

No.3

 

Except

MVXJ type

Power Cord

No.4 (MYXJ/EW, MYXJ/GR

and MVXJ types Only)

Operating Instructions

Literature Bag

3

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