Onkyo TX 822 Service Manual

Page 1

Ref. No. OM3362

ONKYO SERVICE MANUAL

QUARTZ SYNTHESIZED
TUNER AMPLIFIER
MODEL TX-822

Black model
BHUD, BHUDN 120V AC, 60Hz
-BHUG 220V AC, 50Hz
BIIUQA, BHUQB 240V AC. 50H:
BHUW 120 0r 220V AC, 50/60Hz
SAFETY>RELATED COMPONENT WARNING-H
COMPONENTS IDENTIFIED BY MARK A ON TABLE OF CONTENTS
THE SCHEMATIC DIAGRAM AND IN THE PARTS Specifications 2
LIST ARE CRITICAL FOR RISK OF FIRE AND Service Procedfir'eé """""""""""""" 3
ELECTRIC SHOCK. REPLACE THESE COMP07 Exploded View """"""""""""" 4
NENTSWITHONKYOPARTSWHOSEPART parish ....::::::::::.:::::::::::::::::5
EEEBERS APPEAR AS SHOWN IN THIS IC block diagram and descriptions ............... 6
UAL Adjustment procedures ..................... 13
P'td""tb'd', ................... 5
MAKE LEAKAGECURRENT 0R RESISTANCE fir/11;" $231 0" mm 15
MEASUREMENTS TO DETERMINE THAT EXPOSED Display IIIIIIIIIIIIIIIIIIIIIIIIII 15
PARTS ARE ACCEPTABLY INSULATED FROM Other pc boards IIIIIIIIIIIIIIIIIIIIIII 23
THE SUPPLY CIRCUIT BEFORE RETURNING Semimndumr 6"; """""""""""" 16
THE APPLIANCE TO THE CUSTOMER Schematic diagram ........................ l7
120V model ........................... 17
Other models .......................... 21
PC board-parts list ......................... [9
Block diagram ........................... 24
Packing View ............................ 26

ON KYO
IIIIIIIII IIIIMPIIIIIIIIS