Agilent Technologies MSO8104A Guida rapida

IIN

IIO

ADMINISTRATIVE INFORMATION

SERVICE NOTE CLASSIFICATION: INFORMATION ONLY

AUTHOR: KO

PRODUCT LINE: 1A

ADDITIONAL INFORMATION:

PRINTED IN U.S.A.

April 5, 2010

Rev. 17 Page 1 of 14

MSO8104A-05A

S E R V I C E N O T E

Supersedes:

MSO8104A-05

MSO8104A Digitizing Oscilloscope

Serial Numbers: MY00000000-MY46001900

SG00000000-SG46001900

The original scopes motherboard is no longer available for replacement if the

above serial numbers of scopes need a replacement board. This new

replacement motherboard will requires some different cables and other

hardware. This service note is to provide service centers the documentation to

perform the motherboard upgrade.

Parts Required:

P/N Description Qty.

D8104-68700 M880 Motherboard Kit 1

Page 2 of 14 MSO8104A-05A

Situation:

The old motherboard that the units originally shipped with is no longer available. The new

replacement motherboard requires new cables and other hardware.

Solution/Action:

This is the documentation to perform the upgrade

M880 Motherboard Upgrade Procedure.

8000 series part number changes:

Old New Description

---------------- ---------------- ----------------------------------------------------------------------

0960-2652 or 0960-2689 ADLink M880 motherboard w/ 2 SATA cables

81004-68809 3160-4243 Heatsink/Fan assembly

D8104-60102 D8104-60103 Motherboard deck w/ 4 mount points for heatsink/fan

D8104-61605 D8104-61607 Backlight cable

D8104-61602 D8104-61608 Front panel USB port

D8104-61604 D8104-61609 Touchscreen USB cable

54855-61624 54855-61628 Motherboard switch cable

0960-2530 1400-2120 ADD2 board replaced by rear panel slot filler plate

0515-0430 0515-0430 Screw for ADD2 or filler plate

D8104-94302 NA USB Front Panel Label

1 Disconnect the power cable and remove the top cover.

2 Remove the CD-ROM

3 Remove the following cables:

• SATA Cable

• CD-ROM Power cable

4 Using a Torx T10 driver remove the three CD-ROM support bracket screws holding the CD-

ROM drive in place.

5 Using a T20 driver remove the rear panel screw holding the CD-ROM drive in place.

6 Move the CD-ROM drive back towards the front frame, then lift and pull to remove.

Page 3 of 14 MSO8104A-05A

Figure 1

7 Remove all cables from the PCI cards.

8 Remove all PCI cards from the motherboard.

9 Disconnect all cables from the motherboard.

10 Remove the six 5 mm port lock screws from the rear panel connectors.

11 Remove the 5 short and 3 long Torx T10 screws holding the motherboard to the ATX tray.

12 Remove the 8 T20 screws holding the tray to the rear panel.

13 Remove the 3 T10 screws holding the filler plate to rear panel and tray.

Figure 2

Page 4 of 14 MSO8104A-05A

Figure 3

Remove the two Torx T20 screws holding the shock mount in place (See Figure 4)

You may need to use a Torx key to loosen the screws.

14 Tilt the disk drive assembly forward and lift up to remove.

15 Remove the following cables:

• SATA Cable

• Hard Drive Power cable

Figure 4

16 Lift tray with old motherboard from rear and slide to clear the rear panel clearing the three

long standoffs under the tray remove the tray from the chassis.

17 Remove the Auto Probe board b the following.

a Place the unit so the bottom is facing up.

b Locate the access hole on the inside of the front-panel assembly which is below and almost between

channel 2 and channel 3 BNC connectors.

c From the back of the front panel, put a small screw driver or other slender pointed object through the

access hole to push the Auto Probe assembly faceplate away from the front panel assembly.

Figure 5

Access hole

CAUTION: AVOID DAMAGE TO THE RIBBON CABLE AND FACEPLATE!

Do not pry around the edge of the assembly. Doing so may damage the ribbon cable or faceplate.

Figure 5

d Disconnect the mylar flex cable from the AutoProbe board.

Page 5 of 14 MSO8104A-05A

To disconnect the cable

e Pry up the retainer slightly at either end of the connector using a small flat-blade screwdriver.

Do not force the retainer; it should remain attached to the body of the socket.

f Gently pull the flex cable out of the connector.

Figure 6

18Using a 9/16” nut driver, remove the hex nuts that secure the BNC connectors to the front

panel.

Figure 7

Removing the BNC nuts

Figure 7

19 Remove the four Torx T15 screws that secure the chassis sides to the front panel assembly.

Page 6 of 14 MSO8104A-05A

Figure 8

20 Remove the ten Torx T10 screws that secure the front panel cover plate to the front casting.

The four screws in circled in red are longer be sure to re-assemble correctly.

Figure 9

21 Turn front panel cover plate over and Remove the Touch Screen cable D8104-61604 and

replace with D8104-61609. Route new cable though the hole. Secure with tape (see figure 10)

Page 7 of 14 MSO8104A-05A

Figure 10

22 Turn front panel cover plate back over and re-assemble. When re-assembling, torque the ten

Torx T10 screws to 5 in-lb.

23 Remove old Back Light cable D8104-61605 and replace with D8104-61607.

See Figure 11

Figure 11

24 Remove the Front Panel USB cover label remove two T10 screws and replace the old USB

cable D8104-61602 with new D8104-61608. Install New USB Cover Label D8104-94302 (See

figure12)

Page 8 of 14 MSO8104A-05A

Figure 12

25 Route cables though the chassis holes to prepare to reattach the front Panel assembly to the

frame. (See figure 12 and 13)

Figure 13 and 14

26 Re-install Front Panel with four Torx T15 screws that secure the chassis sides to the front

panel assembly.

When re-assembling, torque the four Torx T15 screws to 18 in-lb.

27 Using a 9/16” nut driver, install five hex nuts that secure the BNC connectors to the front

panel.

When assembling the hex nuts to secure the BNC connectors to the front panel, put the conical side of

the nut toward the front-panel casting. Torque the five hex nuts to 18 in-lb.

28 Reattach the Auto-Probe to the mylar flex cable and pop board back into place.

29 Using new Motherboard Deck “Tray” D8104-60103 and New Motherboard 0960-2689

a Install the six 5 mm port lock screws from the rear panel connectors.

b Install the 5 short Torx T10 screws holding the motherboard to the M880 tray. (See Figure 15)

Page 9 of 14 MSO8104A-05A

Figure 15

30 Using new Heat Sink and Fan Assembly install fan to Motherboard and Deck. (See Figure

16) Connect fan power cable to fan CPU Fan jack. Torgue fan screws to 5 in-lb.

Figure 15

Note: Do not use thermal grease on Heat Sink/Fan assembly. It comes with its own thermal type material.

31 Using new Motherboard Switch Cable 54855-61628 connect to motherboard assembly. (See

Figure 16)

Page 10 of 14 MSO8104A-05A

Figure 16

32 Re-install Motherboard Assembly into the frame chassis.

a Install the 3 long Torx T10 screws and two short T10 into the tray holding the

motherboard assembly to the frame chassis. (See Figure 17 and 18)

Figure 17

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