Roku XDS Teardown
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Cracking open the Roku XDS
In November, we reviewed the Roku XDS streaming media player for our 2010 Geek Gifts series. The Roku XDS offers 1080p, 720p, and 480p video playback. It supports Wi-Fi 802.11 b/g/n and costs $99 (US).
Using the Roku you can watch a variety of content from Netflix, Hulu Plus, and others.
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Plain brown wrapper
The Roku XDS comes in a plain brown box.
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RCA component cables
The Roku XDS has both an HDMI port and a specialized component video port, but you only get an RCA composite cord in the box.
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Remote control - Top
Of the Roku users that I’ve spoken with, two of their favorite features are the intuitive GUI and simple remote.
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Remote control - Back
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Remote control - Battery cover open
The Roku XDS’ remote uses two AAA batteries–included.
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Removing the external screw covers
Under the two rubber discs are the external case screws.
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External screws exposed
Luckily, the external case screws are standard Phillips screws.
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Removing the external screws
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Top half of the case remove
The Roku XDS’ PCB is attached to the bottom half of the device’s case with two Phillips screws.
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Trident / NXP PNX8935 multi-format source decoder
The Roju XDS uses a Trident Microsystems / NXP Semiconductors PNX8935 multi-format source decoder. The chips has the following markings:
Trident
PNX8935E1/M101S1
P2U110.00
06
ESD1035M1A
SPLC
NXP is a joint venture of Phillips and Roku. In February 2010, Trident acquired NXP’s television systems and set-top box business lines.
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NXP TDA9981A HDMI transmitter
The Roku XDS uses an NXP Semiconductors TDA9981A HDMI transmitter. The chip has the following markings:
NXP
TDA9981A/8/16
SP7803.1
19
ZSD10301
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SMSC LAN8710A 10BASE-T/100BASE-TX transceivers
The Roku XDS uses an SMSC LAN8710A 10BASE-T/100BASE-TX transceiver. The chip has the following markings:
SMSC
8710A-EZK
81029-A2
8J142859A
SCMMY
E3
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SMSC
The Roju XDS uses an SMSC USB2512A USB 2.0 hub controller. The chip has the following markings:
SMSC
USB2512A
A0945-AF12
8J139789A
SCM-MY
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AKM AK4421A stereo DAC
The Roku XDS uses an Asahi Kasei Microdevices (AKM) AK4421A 3.3V 24-bit stereo DAC. The chip has the following markings:
AKM
4421AET
9E018
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Samsung K4H510838G-LCCC DDR DRAM
The Roku XDS has four Samsung K4H510838G-LCCC DDR DRAM chips. Two are mounted on the top of the main PCB, and two are mounted on the bottom.
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Wireless chip EMI shield
The Roku XDS’ wireless chip is likely housed under this EMI shield. Unfortunately, the shield is soldered to the PCB.
Interestingly, there are two unused antenna connectors to the right of the shield.
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Unused jumpers/connector
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Samsung K9F2G08U0B-PCB00 NAND Flash
The Roku XDS has a single Samsung K9F2G08U0B-PCB00 NAND Flash chip on the bottom of the PCB–next to the second pair of Samsung DRAM chips.
Photo by: Bill Detwiler / TechRepublic
Caption by: Bill Detwiler
Main PCB made by Hon Hai
Hon Hai Precision Industry’s logo is printed on the Roku XDS’ PCB, which also has the markings ML1-H94V-0.
Photo by: Bill Detwiler / TechRepublic
Caption by: Bill Detwiler

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