Onkyo TX 866 Service Manual

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Onkyo TX 866 Service Manual

Extracted text from Onkyo TX 866 Service Manual (Ocr-read)


Page 1

ONKYO SERVICE MANUAL

TX-866

Ref. No. 0M3365

QUARTZ SYNTHESIZED
TUNER AMPLIFIER

MODEL TX-866

Black model

BIIUDI BHUDN BHUDC

[20V AC.60HZ

BHUG

ZZUV AC. SOHZ

BHUW

120/220V AC, 50/60Hz

BHUOA. BIIUQB

240V AC . SOHZ

SAFETY-RELATED COMPONENT WARNING
COMPONENTS INDENTIFIED BY MARK AON
THE SCHEMATIC DIAGRAM AND IN THIS,
PARTS LIST ARE CRITICAL FOR RISK OF FIRF
AND ELECTRIC SHOCK, REPLACI- THESI:
COMPONENTS WITH ONKYO PARI'S WHOSE
PARTS NUMBERS APPEAR AS SHOWN IN THIS
MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE TH A I
EXPOSED PARTS ARE ACCEPTABLY
INSULATED FROM THE SUPPLY CIRCUIT
BEFORE RETURNING THE APPLIANCL TO
THE CUSTOMER.

ONKYO;
Illlllll BUMPIINENIS

TABLE OF CONTENTS

Specifications V , ,,
Service procedures
Exploded View
Parts list .....
Block diagram 7 120V model 7 .....
Block diagram - Other models - ..
Connection diagram of microprocessor ,
Block diagrams of IC
Adjustment procedures
PC board view/parts list
Display/Volume .........................
FM/AM tuner and selector circuit I
Other pc boards VVVVVVVVVVVVVVVVVVVVVVVVV
Schematic diagram
120V model 7 Tuner section 7 ......
7 Amplifier section 7 .
220V model 7 Tuner section 7
- Amplifier section -
Packing view ................................