Extron electronic SGS 408 manual ReferenceInformation,c t’d, Upgrades and Repairs, Internal access

ReferenceInformation,c t’d

Upgrades and Repairs

You can perform the following upgrades and repairs to the SGS 408:

•Installing the DVI connector option (see below)

•Replacing the AC fuse (page B-3)

•Installing a firmware update (page B-4)

Before completing any of these procedures, follow the instructions in “Internal access”, below.

Internal access

Upgrades and fuse replacement require access to the internal areas of the switcher. To gain access to the internal areas, do the following:

1.Remove the power cable from the switcher and from the power source.

Do not open the cover of the switcher without unplugging the power cord.

2.If the switcher is rack mounted, remove the input and output cables from it and remove the unit from the rack. If the switcher is not rack mounted, you do not need to remove the input and output cables.

3.Remove 16 screws from the sides and top of the cover and the two #10 screws from the top half of the front panel (figure B-1).

Remove (16) screws from top and sides.

Lift cover straight up

					INPUT
			SIT	S	AM
				TAKE	PROGRIEW
				ION	PREV
			TRAN
			CUT		TE
					UT RA
		8			OUTP
			CTS 2
	7		EFFE
	6		1
	5
	GRAM4			4
	PRO		3
	3
	2	8
	1
ACK	7
	6		ATION
BL
ZE			NIC
FREE			U
	5	RCP	COMM
	4		Tx
	PREVIEW		Rx
	3
	2
	1
K
BLAC
EZE
FRE

EFF	ECT	N
	TIO
TRANSI

		408
	SGS		HER
	PHIC	SWITC
LESS	GRA
SEAM

Remove #10 screw (two plcs) each side of front plate.

Figure B-1 — Removing the cover

4.Remove the cover by slightly lifting each side alternately until the cover is free.

Reverse this procedure to reinstall the cover.

Installing the DVI connector option

After following the instructions in “Internal access” to remove the cover, do the following:

1.Remove the two screws that hold the DVI connector cover in place (figure B-2), and set the cover aside. You will not need it.

B-2 SGS 408 Switcher • Reference Information