Home Theater System

Model # YHT-493BL Official Yamaha home theater

Here are the diagrams and repair parts for Official Yamaha YHT-493BL home theater, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
YHT-493BL Home Theater
Diode VS997800
#NI

Cabinet parts diagram

Diode

Part #VS997800

The manufacturer no longer makes this part, and there's no substitute part

Transistor WC398400
#NI

Cabinet parts diagram

Transistor

Part #WC398400

The manufacturer no longer makes this part, and there's no substitute part

Button Pow WT829600
#1-7

Cabinet parts diagram

Button pow

Part #WT829600

The manufacturer no longer makes this part, and there's no substitute part

Integrated Circuit X8190B00
#NI

Cabinet parts diagram

Integrated circuit

Part #X8190B00

The manufacturer no longer makes this part, and there's no substitute part

Integrated Circuit X7378A00
#NI

Cabinet parts diagram

Integrated circuit

Part #X7378A00

The manufacturer no longer makes this part, and there's no substitute part

Oper Pcb WU124500
#1-1

Cabinet parts diagram

Oper pcb

Part #WU124500

The manufacturer no longer makes this part, and there's no substitute part

Transistor VP872600
#NI

Cabinet parts diagram

Transistor

Part #VP872600

The manufacturer no longer makes this part, and there's no substitute part

Relay V9366900
#NI

Cabinet parts diagram

Relay

Part #V9366900

The manufacturer no longer makes this part, and there's no substitute part

Integrated Circuit X7741A00
#NI

Cabinet parts diagram

Integrated circuit

Part #X7741A00

The manufacturer no longer makes this part, and there's no substitute part

Diode WA653200
#NI

Cabinet parts diagram

Diode

Part #WA653200

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas ranges

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…