Pioneer sx 620 service manual

Page 2

Both Model SX-3500 and SX-620 have the same basic performance, but there are a few minor changes
in design. For servicing of the SX-620, please see pages 25 - 27.

MODEL SX-3500 COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS:

Type Voltage Remarks
KU 120V only U.S.A. model

KC 120V only Canada model

8 110V, 120V, 220V and 240V (Switchable) General export model

This service manual is applicable to the KU type. When repairing the S type, please see the

additional service manual (see page 29 - 36).

CONTENTS

SPECIFICATIONS .....................
FRONT PANEL FACILITIES ..............
BLOCK DIAGRAM .....................
CIRCUIT DESCRIPTIONS

4.1 RF Section ......................
4.2 AF Section ......................
DISASSEMBLY .......................
PARTS LOCATION ....................
DIAL CORD STRINGING ................
ADJUSTMENTS

8.1 Power Amplifier ...................

P9010.

9.99

8.2 Power Indicator Calibration ...........
8.3 FM Tuner .......................
8.4 AM Tuner .......................

9. PC BOARDS CONNECTION DIAGRAM ......
10. SCHEMATIC DIAGRAM .................
l1, ELECTRICAL PARTS LIST ...............
12. EXPLODED VIEW .....................
13. PACKING ...........................
14. SUPPLEMENTS FOR SX-GZO/KU

14.1 Schematic Diagram .................
14.2 Contrast of Miscellaneous Parts .........
14.3 FL Assembly (AWV-OM) .............
14.4 Specifications .....................
ADDITIONAL SERVICE MANUAL FOR STYPE . ..

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17
19
22
24

25
27
27
28
29