Onkyo’s U.S. support team handles product, order, and warranty questions. For receiver problems, identify the exact model before requesting troubleshooting or service.
Contact information checked November 11, 2026. CustomerServiceNumbers.com is an independent guide and is not affiliated with Onkyo.
1. Quick contact information
Phone: 1-800-229-1687. Visit Onkyo official support.
2. Support hours
Monday–Friday, 9 a.m.–5 p.m. Eastern, as listed on Onkyo’s support page.
3. Choose the right support route
Onkyo links to support.onkyousa.com for product help and provides an authorized service-center directory. Customers outside the U.S. should use the appropriate regional distributor.
4. Get help with a problem
For no sound, HDMI problems, or network errors, describe which source and connection are affected. Note whether the issue happens with every input or only one device.
5. Account and purchase questions
For an online order, keep the seller’s confirmation and order number. For product documentation or firmware questions, match the model number carefully before following instructions.
6. Changes, claims, and follow-up
Contact support before shipping equipment or authorizing a repair. Ask whether the product is covered, which service center to use, and what shipping or inspection charges may apply.
Keep the case number and any written response. When following up, refer to the original request and explain what remains unresolved.
7. What to have ready
Have the model, serial number, proof of purchase, purchase country, and a concise symptom history ready. Do not open the cabinet to investigate an electrical fault.
8. Frequently asked questions
Where should I send an Onkyo receiver for repair?
Ask Onkyo support or use its official service-center directory before sending the receiver anywhere.
Can this website access my account?
No. CustomerServiceNumbers.com cannot access your account or resolve a claim. Contact Onkyo directly through the official support options above.
9. Sources and customer reviews
Source: Onkyo official support. Contact methods and availability may change. Share your service experience in the review section below, but leave out personal information and payment details.