Onkyo SKW-540 - User Manual

SKS-HT540
SERVICE MANUAL
SERVICE MANUAL
7.1-CH HOME THEATER SPEAKER PACKAGE
Black model
MODEL SKS-HT540(B)
Ref. No. 3942
042006
120V AC, 60HzB MDC
- - Front Speakers (L/R) - -
"SKF-540F"
- - Center Speaker - -
"SKC-540C"
- - Surround Speakers (L/R) - -
"SKM-540S"
- - Surround Back Speaker (L/R) - -
"SKB-540"
- - Powered Subwoofer - -
"SKW-540"
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.

Onkyo SKW-540 Specifications

General

Brand	Onkyo
Model	SKW-540
Category	Home Cinema speakers
Language	English

Summary

System Overview and Safety

Safety-Related Component Warning

Highlights critical components for fire and electric shock risk, requiring specific replacement parts.

Exploded Views - Powered Subwoofer

Exploded Views-1: Amplifier Section Components

Exploded Views-2: Speaker Components

Exploded Views - Front Speakers

Exploded Views-3: Front Speaker Assembly

Exploded Views - Center Speaker

Exploded Views-4: Center Speaker Assembly

Exploded Views - Surround and Surround Back Speakers

Exploded Views-5: Surround Speaker Assembly

Exploded Views-5: Surround Back Speaker Assembly

Schematic Diagrams

Schematic Diagram: Powered Subwoofer (SKW-540)

Circuit diagram for the SKW-540 powered subwoofer, illustrating its electronic components and connections.

Schematic Notes and Power Board

Power Transformer PC Board Diagram

Adjustment Procedures

Idling Current Adjustment for Powered Subwoofer

Step-by-step guide for adjusting the idling current of the SKW-540 powered subwoofer.

Parts Lists

Exploded Views Parts List: Subwoofer Components

Lists components for the powered subwoofer's amplifier and speaker sections.

Exploded Views Parts List: Speaker Components

Printed Circuit Board Parts Lists

Details components for main and power transformer printed circuit boards.