Denon AVR-5805 Service Bulletin

100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-US007
Date:

April 26, 2007

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Model: AVR-5805

Subject: Disassembly Instructions

Symptom: Disassembly instructions for the AVR-5805 DAC Unit and Digital

Unit.

Solution:

See the following pages for details:

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employees. This document may contain information that is privileged, confidential and may be protected from disclosure under
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CONFIDENTIALITY NOTICE:

Instruction for removal of DIGITAL UNIT ASSY and DAC UNIT ASSY

(1) Remove screws, detach the BOTTOM COVER (Not shown in the figure )
(2) Remove 6 screws from BACK PANEL, and remove FFCs and cables
(3) Remove 4 Card holders, then detach the Rear Plate/Ethernet/IEEE1394 assy unit.

Remove the FFCs and cables

Remove 4 Card holders

Remove 6 screws from BACK PANEL

(4) Remove FFCs and Cables
(5) Remove 2 screws and incline the PWB.

Remove 2 screws

Incline the PWB

Remove the FFCs and Cables

(6) Remove the screw.
(7) Remove each side board to board connector carefully.

Remove the screw

(8) Insert the finger in the space, and lift the PWB gradually.
(Remove the B to B connectors in the reverse side of the PWB)

Lift the PWB gradually

Remove the B to B connectors
in the reverse side of the PWB

(9) Remove the Cables and detach the Digital unit assy .

Remove the Cables

(10) Remove each side board to board connector carefully.
And detach the DAC unit assy.

Instruction for re-assemble DIGITAL UNIT ASSY and DAC UNIT ASSY

(11) Install the DAC unit assy and insert each side board to board connector.
(Insert the hand in the space on both sides, and push the PWB.)

(11) Install the Digital unit assy and insert the cables.
(12) Insert right side B to B connector.

Insert the Cables

Insert the B to B
Connectors.

(13) Confirm from the slot of the back panel, and insert the B to B connector carefully.

(Insert a thin board (like the ruler) from the slot, and push the PWB).

(14) Insert left side B to B connector and confirm each side board to board connector.
(Insert the hand in the space on both sides, and push the PWB.)

Insert the B to B
Connectors.

(15) Insert FFCs and Cables and tighten 2 screws

Tighten 2 screws

Insert the FFCs and Cables

(16) Install the Rear Plate/Ethernet/IEEE1394 assy unit.
(17) Insert 4 Card holders,tighten 6 screws, and insert FFCs and cables

Insert the FFCs and cables

Insert 4 Card holders

Tighten 6 screws

(18) Install BOTTOM COVER ,and tighten screws.