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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-F1522
Date: June 26, 2009
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Model: AVR-5805
Subject: The headphone output is different at specific mode.
Countermeasure is applicable only upon claim from the customer.
Symptom: The headphone output is 12dB different in "Analog signal" and
"Digital signal" at the following condition.
1) Mode: Pure direct, Direct or Stereo
2) Digital input: 1kHz 0dB PCM (Stereo)
3) Analog input: 1kHz 2Vrms Stereo.
Solution: We improved the Firmware so that the Set-up function operates
properly.
MODIFICATION: Please install the Writer Software to a PC and update your
customer's unit upon claim by means of the Writer Software. (For the update
procedures, please refer to the attached procedures.)