Onkyo TXSV 70 PRO Service Manual

Page 1

TX-SV70PRO

REF.NO.3379

ONKYO® SERVICE MANUAL

AUDIO VIDEO CONTROL
TUNER AMPLIFIER
MODEL TX-SV70PRO

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARKAON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST
ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC
SHOCK. REPLACE THESE COMPONENTS WITH
ONKYO PARTSWHOSE PARTS NUMBERS APPEAR
AS SHOWN IN THIS MANUAL.

MAKE LEAKAGE-CURRENT 0R RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

TABLE OF CONTENTS

Specifications ...........
Service procedures .
Exploded View ..
Parts list ..........
Microprocessor descriptions
IC block diagrams and descriptions
Adjustment procedures
PC board view and parts
Display circuit pc board ,.
Tunner circuit/Power supply pc boards
Front, center, & rear amplifier pc boards
Surround/control pc boards .....................
Schematic diagram ..........................
Microprocessor connection diagram
Tuner & power supply section .
Amplifier section
Control section .
Block diagram i.
Tuner section .
Amplifier section .
Packing view ............

ONKYO

_1..

l
AIIIIIII BflMPflIIIILS"