Onkyo TX 905 Service Manual

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Onkyo TX 905 Service Manual

Extracted text from Onkyo TX 905 Service Manual (Ocr-read)


Page 1

TX7905

Ref. No. 0M3430

ONKYO SERVICE MANUAL

QUARTZ SYNTHESIZED
TUNER AMPLIFIER
MODEL TX-905

Black model

BHMD, BHMDN, BHMDC

120V AC, 60Hz

SAFETY-«RELATED COMPONENT WARNING
COMPONENTS INDENTIFIED BY MARK AON
THE SCHEMA TIC DIAGRAM AND IN THE
PARTS LIST ARE CRITICAL FOR RISK OF FIRE;
AND ELECTRIC SHOCK. REPLACE THESE
COMPONENTS WITH ONKYO PARTS WHOSE,
PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL.

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

ONKYO.
MIIIIII IIIIIIIIIIIIIIISJI

TABLE OF CONTENTS

Specifications.............,............................................... .........

N

Service procedures
Exploded View
Parts list .........
Block diagram ...................

Microprocessor descriptions.
IC block diagram and descriptions..
Adjustment procedures ......
Printed circuit board views..
Printed circuit board -parts list
Schematic diagram.
Packing View...