A20 Digital Motherboard Replacement; Tools Required; Removal Procedure - Keysight E5052B Service Manual

Replacement Procedure

A20 Digital Motherboard Replacement

A20 Digital Motherboard Replacement

Tools Required

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Removal Procedure

Refer to
Step 1. Remove the outer cover as described in
Step 2. Remove the following assemblies.
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Step 3. Disconnect all cables from the digital motherboard.
Step 4. Remove the eight TORX T10 screws (item 1) fastening the digital motherboard.
Step 5. Lift the digital motherboard slowly.
NOTE
Don't remove the CPU fan assembly and the DMM memory from digital motherboard.
166
TORX screwdriver, T10, T15, and T20
Open-end torque wrench, 5/8 inch (set to 1.97 N-m / 17.4 lb-in)
Figure 6-16 for this procedure.
Front Panel (refer to "Front Panel Removal" on page
24 Bit I/O board (refer to "A25 24 bit I/O Board Replacement" on page
Digital Bridge board (refer to
PCI DSP Card and GPIB Card (refer to
on page 152).
Oven ch2 assembly (refer to
"Outer Cover Removal" on page
138).
"A26 Digital Bridge Board Replacement" on page
"A21 PCI DSP / A24 GPIB Card Replacement"
"Oven CH2 Assembly Replacement" on page
136.
150).
148).
158).
Chapter 6