Which models are these?
Originally, DirecTV had this equipment manufactured by several outside companies based on the engineering plans they drew up with TiVo. Eventually, the started branding the units in-house.
Here is a list of all Standard Definition DirecTV TiVos, roughly in release order:
First generation
Philips DSR6000, DSR6000r, and DSR6000r01
Sony SAT T-60
Hughes GXCEBOT and GXCEBOTD
Second Generation
Hughes HDVR2 (sometimes called HDVR3), SD-DVR40, SD-DVR80, and SD-DVR120
Philips DSR7000, DSR704, and DSR708
Samsung S4120R, S4040R, and S4080R
DirecTV R10
What's the difference between the first and second generations?
All of these units have dual tuner support. The first generation units could hold two drives on their internal bracket; for the second generation, you need a TwinBreeze or other bracket to install a second drive. The second generation has USB ports, but they're turned off by DirecTV. The second generation has a faster processor that allows for faster software, and for the Folder feature among other things.
What can fail in these units?
Hard drives, since they are spinning all of the time, are the most likely components to fail inside these units. Also, fans, power supplies, tuners, and entire motherboards can fail. Except for motherboards, the parts are easily replaceable.
Drive failures
The most typical signs of drive failure are: TiVo is rebooting, TiVo is stuck on "Powering Up...", TiVo is stuttering or freezing, and TiVo is taking much, much to long to complete on-screen processes. In those cases, a replacement hard drive almost always fixes the problems.
Overheating
Generally, just a bad fan, and replacements are available.
Dialing problems
Lots of things can cause dialing problems, but the top two offenders are a bad modem, and VoIP. Each of these can be overcome with an external TiVo modem kit.
Just nothing at all on the screen
If you get nothing at all on-screen when you power up the TiVo, you likely have a bad power supply. Replacements are available for most DirecTV TiVos.
Originally, DirecTV had this equipment manufactured by several outside companies based on the engineering plans they drew up with TiVo. Eventually, the started branding the units in-house.
Here is a list of all Standard Definition DirecTV TiVos, roughly in release order:
First generation
Philips DSR6000, DSR6000r, and DSR6000r01
Sony SAT T-60
Hughes GXCEBOT and GXCEBOTD
Second Generation
Hughes HDVR2 (sometimes called HDVR3), SD-DVR40, SD-DVR80, and SD-DVR120
Philips DSR7000, DSR704, and DSR708
Samsung S4120R, S4040R, and S4080R
DirecTV R10
What's the difference between the first and second generations?
All of these units have dual tuner support. The first generation units could hold two drives on their internal bracket; for the second generation, you need a TwinBreeze or other bracket to install a second drive. The second generation has USB ports, but they're turned off by DirecTV. The second generation has a faster processor that allows for faster software, and for the Folder feature among other things.
What can fail in these units?
Hard drives, since they are spinning all of the time, are the most likely components to fail inside these units. Also, fans, power supplies, tuners, and entire motherboards can fail. Except for motherboards, the parts are easily replaceable.
Drive failures
The most typical signs of drive failure are: TiVo is rebooting, TiVo is stuck on "Powering Up...", TiVo is stuttering or freezing, and TiVo is taking much, much to long to complete on-screen processes. In those cases, a replacement hard drive almost always fixes the problems.
Overheating
Generally, just a bad fan, and replacements are available.
Dialing problems
Lots of things can cause dialing problems, but the top two offenders are a bad modem, and VoIP. Each of these can be overcome with an external TiVo modem kit.
Just nothing at all on the screen
If you get nothing at all on-screen when you power up the TiVo, you likely have a bad power supply. Replacements are available for most DirecTV TiVos.
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