Grass Valley K2 Media Client Service Manual Nov.18 2008 - Manual (Page 136)

136 K2 Media Client Service Manual July 28, 2008
Chapter 5 Removing and replacing FRUs
If the faulty motherboard was a Type III motherboard:
1. Cable as illustrated. No additional instructions are needed. Install the existing USB
RS-422 adapters back into rear panel slots 1 and 7.
2. Install the remaining components and the top cover.
3. Refer to the checklist at the beginning of this section for the remaining steps to
complete the motherboard replacement process.
If the faulty motherboard was a Type II motherboard:
1. Cable as illustrated. No additional instructions are needed. Install the existing PCI
RS-422 adapter back into rear panel slot 3.
2. Install the remaining components and the top cover.
3. Refer to the checklist at the beginning of this section for the remaining steps to
complete the motherboard replacement process.
If the faulty motherboard was a Type I motherboard and you are replacing it in a SDA-00 or SD-00
K2 Media Client:
1. Remove and discard the USB cable that previously connected the front SCSI
interface board and the Type I motherboard.
2. To make the connection between the front SCSI interface board and the
motherboard, use the USB cable that comes with the Type III motherboard
replacement kit.
3. To make the Power 2 connection to the motherboard, unbundle power cables and
use the spare cable that has the appropriate connector. Re-bundle power cables.
4. Retain the two dual-port RS-422 adapters and the USB cables that you removed
from the Type I motherboard. Install these adapters in rear panel slots 1 and 7.
Refer to the appropriate procedure earlier in this chapter.
5. Install the remaining components and the top cover.
6. Refer to the checklist at the beginning of this section for the remaining steps to
complete the motherboard replacement process.
If the faulty motherboard was a Type I motherboard and you are replacing it in a HD-00 K2 Media
Client:
1. Remove and discard the USB cable that previously connected the front SCSI
interface board and the Type I motherboard.
2. To make the connection between the front SCSI interface board and the
motherboard, use the USB cable that comes with the Type III motherboard
replacement kit.
3. To make the Power 2 connection to the motherboard, use the power cable that was
previously connected to the HD-00 codec board.
4. Locate the power cable adapter that comes with motherboard replacement kit.
5. Unbundle power cables and connect the large end of the power cable adapter to the
spare cable that has the appropriate connector. Re-bundle power cables.
6. Retain the two dual-port RS-422 adapters and the USB cables that you removed