![background image](http://html1.mh-extra.com/html/onkyo/htp-420/htp-420_service-manual_1637001001.webp)
HTP-420
SERVICE MANUAL
SERVICE MANUAL
5.1-CH HOME THEATER SPEAKER PACKAGE
Black and Silver models
MODEL
HTP-420(B)/(S)
Ref. No. 3808
042004
120V AC, 60Hz
120V AC, 60Hz
---
230-240V AC, 50Hz
---
---
BMDD
BMDC
---
BMPA
---
---
120V AC, 60Hz
120V AC, 60Hz
120V AC, 60Hz
230-240V AC, 50Hz
220-230V AC, 50/60Hz
230-240V AC, 50Hz
SMDD
SMDC
SMDT
SMPA
SMGT
SMPT
Front Speakers (L / R)
"SKF-420F"
Center Speaker
"SKC-420C"
Surround Speakers (L / R)
"SKM-420S"
Powered Subwoofer
"SKW-420"
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.