Onkyo EQ 25 Service Manual

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SERIAL NO. 3208

ONKYO SERVICE MANUAL

Stereo Graphic Equalizer

MODEL

EQ-25(B)

UD

120V AC , 60Hz

UW

12OV/22DV AC, 50/60H7,

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCKI
REPLACE THESE COMPONENTS WITH ONKYO PARTS
WHOSE PARTS NUMBERS APPEAR AS SHOWN IN THIS
MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE MEA-
SUREMENTS TO DETERMINE THAT EXPOSED PARTS
ARE ACCEPTABLY INSULATED FROM THE SUPPLY
CIRCUIT BEFORE RETURNING THE APPLIANCE TO
THE CUSTOMER.

TABLE OF CONTENTS

Item Page
Specifications 2
Block diagram 2
Precautions 6
Exploded View parts list 6
Exploded View 7
Front panel facilities 8
System connections 8
Printed circuit board parts list 8
Using the level control 10
Schematic diagram 1 I, IS
Printed circuit board View 13
Packing procedures I7

ON KYO®
AIIIIIII IIIIMPIIIIIIIIS

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