Onkyo A 22 Service Manual

Page 1

SERIAL NO. 3155

ONKYO SERVICE MANUAL

INTEGRATED STEREO AMPLIFIER

MODEL A-22

Silver model and black model

UDN, UD 120v AC, 60112

UGV, UG 220v AC, 50Hz

UW 120V or 220V AC, 50/60Hz

UQA, UQB 240v AC, 5on

TABLE OF CONTENTS
SAFETY-RELATED COMPONENT WARNINGII Item Page

COMPONENTS IDENTIFIED BY MARK A 0N . I
THE SCHEMATIC DIAGRAM AND IN THE PARTS :fecfifmns :
LIST ARE CRITICAL FOR RISK OF FIRE AND °C .agm
ELECTRIC SHOCK. REPLACE THESE COM- mum 4
PONENTS WITH ONKYO PARTS WHOSE PARTS ant panel 4
NUMBERS APPEARAS SHOWN IN THIS MANUAL. Exploded view 5
MAKE LEAKAGE-CURRENT 0R RESISTANCE SYSe Cf?¢°s 6
MEASUREMENTS TO DETERMINE THAT Wed mu Ward Pam 115 7
EXPOSED PARTS ARE ACCEPTABLY IN- Schematic diagram 9, 13
SULATED FROM THE SUPPLY CIRCUIT BEFORE Printed circuit board view 11
RETURNING THE APPLIANCE TO THE packing procedures 15
CUSTOMER

I ONKYO®
I AIIIIIII BIIMPIINENIS