Onkyo EQ-540 Service Manual

SERIAL No. 3303
ONKYO SERVICE MANUAL
Stereo Graphic Equalizer
MODEL EQ-540
120V AC, 60Hz
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK / ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST
ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC
SHOCK. 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.
ONE YO.
AUDIO COMPONENTS
120V/220V AC, 50Hz/60Hz
TABLE OF CONTENTS
specifications
Precautions
Adjustment procedures ·•••
Front panel facilities нн
IC Block diagram 5-5-5:
Packing procedures 2222.4..44....4.4...........
System connections #5
Printed board parts list
Chassis exploded view сзсз.
Printed circuit board view нетен"
Block diagram
`7
Schematic diagram сзсз.
* з а ee}