Pioneer sx 580 service manual

Page 2

MODEL SX-580 COMES IN FOUR VERSIONS DISTINGUISHED AS FOLLOWS:

Type Voltage Remarks

KU 120V only U.S.A. model

KC 120V only Canada model

5 110V, 120V. 220V, 240V (Switchable) General export model

SIG 110V, 120V, 220V, 240V (Switchable) U.S. military model 5

This service manual is applicable to the KU type. When repairing the KC, S, S/G types, please see
the additional service manual.

CONTENTS
1. SPECIFICATIONS ..................... 3
2. FRONT PANEL FACILITIES .............. 5
3. BLOCK DIAGRAM ..................... 7
4. CIRCUIT DESCRIPTION
4.1 Tuner Section ..................... 7
4.2 Audio Section .................... 8
5. DISASSEMBLY ....................... 9
6. PARTS LOCATIONS
6.1 Front Panel View .................. 10
6.2 Front View With Panel Removed ........ 10
6.3 Top View ....................... 11
6.4 Rear Panel View ................... 11
7, DIAL CORD STRINGING ................ 12

8. ADJUSTM ENTS

8.1 AM Tuner ....................... 13
8.2 FM Tuner ....................... 14

9. EXPLODED VIEWS

9.1 External Part ..................... 16
9.2 Internal Part ...................... 17
10. PACKING ........................... 20

11. SCHEMATIC DIAGRAMS, P.C. BOARD
PATTERNS AND PARTS LIST

11.1 Miscellanea ...................... 20
11.2 Schematic Diagram ................. 22
11.3 . P.C. Board Connection Diagram ......... 24
11.4 Front-end (GWB-101) ............... 27
11.5 Terminal Assembly (GWX-181) ......... 28
11.6 De-emphasis Assembly (GWX-180) ....... 28
11.7 LED Assembly (GWX-177) ............ 28
11.8 Headphone Assembly (GWX-179) ....... 28
11.9 Fuse Assembly (GWX-178) ............ 28
11.10 Tuner and AF Assembly (GWM-113) ..... 29