I thank Owen-Manuals.com for the wonderful service rendered to me, and this manual which I purchased helped me a lot in servicing my Denon System, which was lying in a dead state.
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Excellent service manual. Complete service info. with schematics, step-by-step instructions and illustrations. Well worth the price!
Text excerpt from page 1 (click to view)
HTP-645
Ref. No. 4036 092007
SERVICE MANUAL
5.1-CH HOME THEATER SPEAKER PACKAGE MODEL HTP-645(B)
- - Front Speakers (L/R) - "SKF-645F" - - Surround Speakers (L/R) - "SKM-645S" - - Center Speaker - "SKC-645C" - - Powered Subwoofer - "SKW-540"
Cannot remove the speaker grill.
Black model B MDD 120V AC, 60Hz
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.