Keysight E4990A Use and care manual

Keysight Technologies
E4990A Disassembly Procedure Rev.
E4990A Parts Replacement
Procedure
2014 Oct 20

Keysight Technologies
E4990A Disassembly Procedure Rev. TOOL LIST AND REFERENCE DOCUMENTS (1) A
T-10 Torque driver
T-10 Torque driver
T-15 Torque driver
T-20 Torque driver
5/8 Box Wrench
9/16 Box Wrench
5.5mm Box Torque driver
1.27mm Allen Key
5/16” Open End Wrench
TOOL AND FIXTURE LIST
PART NO. DESCRIPTION
3.5 lbin
9 lbin
14 lbin
21 lbin
30.4 inlb
30.4 inlb
6 lbin
2 lbin
9.5 lbin
TORQUE VALUE / SET UP
REFERENCE DOCUMENTS
DOCUMENT NO. DESCRIPTION

Keysight Technologies
E4990A Disassembly Procedure Rev. TOOL LIST AND REFERENCE DOCUMENTS (2) A
T-384162
T-384166
T-384165
T-384163
T-384186
T-386283
80-5286
1530-2247
Cart Arm
Front Overlay Installation Pin
Protective Template for BNC assembly
Cable holder of P/S cable
Angle Support Block
Wire Connector Head Removal Jig
Roller Jig
Hubic Cart
TOOL AND FIXTURE LIST
PART NO. DESCRIPTION TORQUE VALUE / SET UP
REFERENCE DOCUMENTS
DOCUMENT NO. DESCRIPTION

Keysight Technologies
E4990A Disassembly Procedure Rev. DIS-ASSEMBLY PROCEDURE MENU (1) A
1. LCD
2. SSD
3. CPU Module (E5061-62180)
4. Display Board (E5061-66651)
5. LF Source Module (E4990-62007)
6. TRD Module (E4990-62005) & BNC Port Assembly (E4990-60102)
7. Source Module (E5061-62021)
Reverse Flow Dis-assembly Procedure Menu
Click the hyperlink below for any choice of dis-assembly procedure:

Keysight Technologies
E4990A Disassembly Procedure Rev. DIS-ASSEMBLY PROCEDURE MENU (2) A
8. VRD Module (E4990-62008)
9. I/O Control Board (E4990-66653)
10. Analog Mother Board (E5061-66610)
11. Oven (Option 1E5)
Reverse Flow Dis-assembly Procedure Menu
(cont’d)
Click the hyperlink below for any choice of dis-assembly procedure:

Keysight Technologies
E4990A Disassembly Procedure Rev. LCD - DIS-ASSEMBLY PROCEDURE A
LCD
Dis-Assembly Procedure
Note:
1. Torque value shown in this document is only for reference and only used during
assembly.

Keysight Technologies
E4990A Disassembly Procedure Rev. LCD - LCD DIS-ASSEMBLY (1) A
6Remove trim strip
1234
1
2
4Remove
HANDLE ASSEMBLY T20
Remove 0515-1402 (4ea)
T15 M3.5L8 PAN
Remove foot (4ea)
3Remove 0515-1402 (4ea)
T15 M3.5L8 PAN
5
5 Remove cover
6

Keysight Technologies
E4990A Disassembly Procedure Rev.
3
Remove Front Panel
sub-assembly
4
Disconnect flat cable of
Front Panel Ass’y from
CPU Module
LCD - LCD DIS-ASSEMBLY (2) A
123
Remove 0515-1382 (5ea)
T15 M3.5L6 Flat
1
2Remove 0515-2044 (2ea)
T20 M4L10 Flat
4

Keysight Technologies
E4990A Disassembly Procedure Rev. LCD - LCD DIS-ASSEMBLY (3) A
12
2 Disconnect Open1

Keysight Technologies
E4990A Disassembly Procedure Rev.
1
Disconnect
LCD - LCD DIS-ASSEMBLY (4) A
Open
12
2