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Service Bulletin
No. : OST-F1090
Date: February 7, 2007
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Model: AVR-2807, AVR-987


Subject: Countermeasure for improving Bass management, HDMI issues,
Trigger output etc


Symptom: 1) Improve the Transaction of Bass management setting.
2) The AV amplifier didn't support the Audio Digital signal at PC resolution
(SVGA, XGA, etc.) from the HDMI input with DVD-3930 or DVD-2930.
3) When the customer connected the HDMI output of the source equipment (ex.
DViCO M-5000