TX-SR402/8240/HT-R420
SERVICE MANUAL
AV RECEIVER
MODEL
TX-SR402
TX-SR8240
HT-R420
Ref. No. 3796
032004
TX-SR402
Silver and Golden models
220-230V AC, 50/60Hz
SMGR,GMGR
HT-R420
Black and Silver models
120V AC, 60Hz
BMDC,BMDD,SMDC,SMDD
230-240V AC, 50Hz
BMPA,SMPA,SMPT
120V/220-230V AC, 50Hz
SMWT
TX-SR8240
Golden models
220-230V AC, 50/60Hz
GMGR
RC-518M
(Noth American model)
RC-479S
(Other models)
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC 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.
