HDMI 2.1, bug in AV receiver chips: Yamaha opts to replace the card under warranty

As we have already reported on these pages, a flawed chip created by Panasonic Semiconductor Solutions (a company branch spun off from the Japanese last year and now passed into the hands of Taiwanese Nuvoton Technology) has given audio system manufacturers a lot of headaches. / video equipped with HDMI 2.1 ports. This chip was used by many brands, but at the presentation of thenext generation consolehas proven to be the carrier of a bug and to create various types of problems withflush video 8K / 60p and 4K / 120p.

We talked about the solution envisaged by Denon and Marantz, which provides for the free supply to customers of a small adapter to be inserted upstream of the HT systems to correct the problem.ArcameJBL Synthesisinstead they had arrived on the market with HDMI 2.0 solutions, but announced the possibility of an HDMI 2.1 upgrade for a total of six receivers and A / V pre-decoders.

Missed the appeal Yamaha, which in turn has now announced a campaign to replace the cards affected by the bug, making the Yamaha RX-A2A, RX-V6A and RX-V4A receivers finally fully compatible with 4K / 120Hz content coming out of Xbox Series X and Nvidia RTX30 family video cards.

The replacement of the card will be free and can be used within a time window of 24 months from the launch of the recall campaign. Yamaha also informs that the second generation of its receivers are not affected by the problem caused by the chip, but that compatibility with 4K / 120p signals must be enabled via firmware update.