Onkyo P 3030 Service Manual

Page 1

ONKYO

SUPER SERVO STEREO PREAMPLIFIER

MODEL P-303O

SERVICE MANUAL

UDN, UD

120V AC, 60Hz

UGV, UG

220V AC, SOHZ

UW

120V/220V AC, 50/60Hz

SAFETY-RELATED COMPONENT WARNINGS!

COMPONENTS IDENTIFIED BY MARK «5: ON
THE SCHEMATIC DIAGRAM AND IN THE PARTS
LIST ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE THESE COM-
PONENTS WITH ONKYO PARTS WHOSE PARTS
NUMBERS APPEAR AS SHOWN IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT
EXPOSED PARTS ARE ACCEPTABLY IN-
SULATED FROM THE SUPPLY CIRCUIT BEFORE
RETURNING THE APPLIANCE TO THE
CUSTOMER.

TABLE OF CONTENTS

P-303O

SERIAL NO. 3164

Item

Page

Specifications

Block diagram
Adjustment procedures
Precautions

Front panel

System connections
Exploded View

Parts list

Printed circuit board parts list
Schematic diagram
Printed circuit board View
Packing procedures

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11,15,19
13,17
21

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