Unable to initialize capture device and device control in HDV

I shot with a Sony HVR-Z1U/Z1N and am using a Sony HDV 1080i tape deck to digitize.
I recently purchased a MacBook Pro and installed FCP Pro 5 on it. After getting over some time code issues we were chugging along, when on the 4th tape the image on the log and capture screen suddenly dissapeared (I could get audio and could see the image on the tape deck). Well after taking the tape out, checking and rechecking it I popped it back in and ever since then, I have been getting this error mssg "Unable to initialize capture device and device control."
I have tried deleting the preferences and starting from scratch. If I do that, and choose the easy setup with HDV- 1080i60, it gives me this error "Unable to locate the following external devices- HDV (1440 X 1080) 30fps.
I upgraded to FCP 5.1.2 this morning and upgraded the OS to 10.4.7 and QT to 7.1.3 and still no change.
Im at my wits end, Ive been working on this for a whole week now.
Thank you,
Bugs

It has been reported to take more than one attempt to correct the installation but, if properly executed on a machine without other system problems, the QT reinstall process does work. The key element here is you must reinstall QT after you trash the receipts. The process is listed below.
x
To do a full quicktime reinstall.
Go to /library/receipts and delete any files that say Quicktime followed by a number e.g. Quicktime703.pkg
Go to the Apple quicktime site and download the appropriate version of Quicktime to your hard drive.
Run the Quicktime installer.
Repair Disk Permissions for your System Disk (Disk Utility > Select the system disk > Repair Disk Permissions)
Reboot
If this doesn't work, then the problem lies elsewhere:
1. your system - user preferences, firewire ports or other system elements.
2. your equipment - camera/deck/firewire cables.
3. your process - not setting up the software properly or using the software erroneously.
Listed below is a troubleshooting process. Not all steps are appropriate but the general process of isolating the problem is useful.
Troubleshooting Steps for OS X
by Jan Johannsen (Collected from: Apple>User Tips Library>User Tips Contributions forum)
FIRST AID
01 Completely shutdown, wait a 5 minutes, restart
02 Make sure you're not running out of free space on the System volume
03 Check/fix the filesystem using Disk Utility &/or Diskwarrior
04 Repair permissions using Disk Utility
05 Create a new user account, and see if the problem persists there
06 Clear system & user caches
07 Run FCP Rescue
08 Unplug all USB, Firewire devices except Apple mouse
09 Startup in SafeBoot mode, and see if the problem persists there
10 Reset system firmware
MORE SERIOUS TROUBLESHOOTING
11 Reapply the latest combo updater
12 Run the Apple hardware diagnostic CD
13 Check the hard drive for bad blocks
14 Take out 3rd party RAM
15 Unplug 3rd Party PCI cards
16 Reset PMU
17 Archive and reinstall the OS
18 Reinstall the system from scratch
19 Send the machine back to Apple

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5.1.4 update breaks HDV capture? Unable to Initialize Capture Device

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*All SNR/dB mesasurements taken by the tech from the set-top boxes and router are well within spec.
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ONT
|
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WayfarerII wrote:
... DVR ... remote ... freezing ... TV ... whether ... locally recorded, pulled from another DVR ...
... tech ... unplugged my gigabit switch from the Fios router ... and ... everything started running perfectly ...
... config:
75/35 Fios ... via ethernet from ONT ... Set-top boxes connect to Fios router via powered splitter ...
ONT
|
| cat5
|
Fios Router ---------Cable Splitter---------Set Top Boxes
|
Netgear Switch
|           |
WAP1    WAP2
I am inclined to echo several of the "tns" comments, particularly with respect to your splitter. My layout is based on a standard 8-port splitter of the type usually supplied in a VZ install. In addition I do have a ChannelPlus device that functions as a powered splitter, but its use is limited to distribution of secondary TV signals to older analog TVs. My first point then is that this may be an offender as "tns" has suggested.
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In fact I don't immediately see how your STBs get additional services such as On Demand and IMG with the wiring shown in your diagram (perhaps someone can help me out here). In "standard" installs the Actiontec must be connected via coax to the ONT to provide such services to other network clients. I don't see that requirement being met here.
For starters I'd recommend that you change your service from WAN Ethernet to WAN coax. This can easily be accomplished over the telephone. Then I'd run coax directly from the ONT to the Actiontec as in my revised diagram below (blue-colored items). If your setup can manage with this arrangement, I think it will help greatly with the "freezing" issue.
ONT - - - - - - coax - - - - -
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Fios Router --- coax--- Standard 8-Port Splitter --- coax --- Set Top Boxes
|cat5
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Subsequent Subsequent Note:   From your description it seems that you are using more than a single "whole house" DVR to supply programming to other devices. This is a bit puzzling to me because somewhere along the line I recall reading that only a single whole house DVR was allowed on the network. Can you elaborate a bit?

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Thanks, Yolanda Zhu. There is no driver on the manufacturer's website, but the driver is included from Windows versions XP to 8 and the device responds as expected under these OS Versions. In Windows 8.1 it seems also to be included, and device manager
indicates under Human Interface Devices that the 'Microsoft eHome infra transceiver' driver functions correctly and under
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Can it be that the mapping ('action on remote' to 'action on PC') is lost somehow?
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Unable to initialize capture device and device control in HDV

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