Onkyo A-8780 - Service Manual

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ONKY
-00871
REF. NO. 3376
ONKYO.
SERVICE
MANUAL
Integrated Stereo Amplifier
MODEL A-8780
SAFETY-RELATED
COMPONENT
WARNING!!
COMPONENTS
IDENTIFIED
BY
MARK
A
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.
ONKYO
AUDIO COMPONENTS
TABLE OF CONTENTS
Specifications
Precautions
Block diagram
Chassis exploded view
Adjustment procedures
Circuit description
IC block diagram
Printed circuit board parts list
Packing part list
System connections
Front panel facilities
Printed circuit board view
Schematic diagram
Bh

Onkyo A-8780 Specifications