Yamaha YHT-S300 Installation Manual YHT-S300 - Page 2

Location of the serial number, Affected Serial Numbers

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Firmware Update Procedure for SR-300 Location of the serial number: You can find the serial number at the rear left side of your SR-300 subwoofer integrated receiver. Affected Serial Numbers The serial number consists of a letter followed by 6 numbers and 2 letters. [Example: "Y121530ZP"]. Check the 5 numbers from the left. If they are the same or higher than the one below, you DO NOT need to perform this update. Y024930TV Same or higher Unnecessary to perform update Lower Need to be updated. See following pages for instructions. Page.2 of 5

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Firmware Update Procedure for SR-300
Page.2 of 5
Location of the serial number:
You can find the serial number at the rear left side of your SR-300 subwoofer integrated
receiver.
Affected Serial Numbers
The serial number consists of a letter followed by 6 numbers and 2 letters.
[Example: “Y121530ZP”].
Check the 5 numbers from the left.
If they are the same or higher than the one below,
you
DO NOT
need to perform this update.
Y
02493
0TV
Same or higher
Unnecessary to perform update
Lower
Need to be updated.
See following pages for instructions.