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Inside Details - Powerline

The powerline and coax AV200's have very similar designs, differing only by a small amount of circuitry that couples the DS2 guts to either the AC mains or a single "F" type coax connector. Figure 2 is an photo of the inside of the AV200 Powerline version that shows that most of the interesting circuitry is hidden by a thick aluminum heatsink.

AV200 Powerline Internal view w/heatsink

Figure 2: AV200 Powerline Internal view w/heatsink
(click image to enlarge)

Figure 3 shows the heatsink removed so that you can see the DS2 DS9001A processor and DSS7700S analog front end devices (the DS9001A has white heatsink compound on it). The other ICs used in the design are RAM, flash (on the underside of the board) and a Realtek RTL8201CL Single-Port 10/100M Fast Ethernet PHYceiver.

AV200 Powerline Internal view w/o heatsink

Figure 3: AV200 Powerline Internal view w/o heatsink
(click image to enlarge)

The component grouping at the top of Figure 3 is the power supply. You can also see the coupling transformer and associated components clustered near the power receptacle, which connect the AC line and DS2 circuitry. You can also see empty mounting pads for the coax connector and its coupling transformer, which are not loaded in the powerline version at the bottom center of the photo.

Inside Details - Coax

Figure 4's photo shows the AV200 Coax inside view, which as noted above, is very similar to the powerline version. You can see that the AC line coupling components in the lower right-hand corner are not loaded in this version, but you'll have to refer to Figure 5 to see the coax connector coupling components.

AV200 Coax Internal view w/heatsink

Figure 4: AV200 Coax Internal view w/heatsink
(click image to enlarge)

If you carefully compare the larger versions of Figures 3 and 5, you can see that the coax version board is slightly different, with a cluster of passive components that have no blank mounting pads in the powerline version of the board.

AV200 Coax Internal view w/o heatsink

Figure 5: AV200 Coax Internal view w/o heatsink
(click image to enlarge)

Figure 6 provides a view of the underside of the coax version board, which has a string of passive surface-mount components running in a line up from the left side of the coax connector. The mounting pads for these components are also not present on the powerline version of the board. You can also see the single flash memory device with its firmware revision label toward the right side of the board.

AV200 Coax Internal view board bottom

Figure 6: AV200 Coax Internal view board bottom
(click image to enlarge)

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