Maintenance
6-- 16
TDS1000B and TDS2000B Series Oscilloscope Service Manual
6. Pull the board out from the front slots of the internal assembly.
Installation. To install the main board module, refer to Figure 8--3 and follow
these steps:
1. Work from the bottom of the internal assembly, and place the front of the
main board module into the slots on the internal assembly near the the BNC
connectors.
2. Use the deep socket to attach the washers and nuts to each BNC connector so
that the main board is securely attached to the chassis.
Support the BNC to prevent it from twisting the main board, and torque the
nuts to 40 in-lbs (4.5 N⋅m) using the torque wrench.
3. Install the three screws attaching the main board module to the internal
assembly.
4. Reconnect the following wires on the main board:
H The power supply cable at J101.
H The display cable at J201.
H The front-panel cable at J202.
5. Use the installation procedure for each module removed to reassemble the
oscilloscope.
You will need a torque-limiting Torx T-15 screwdriver, a torque-limiting Torx
T-8 screwdriver, and pliers for this procedure.
Removal. To remove the display module, refer to Figure 8--1 for 2-channel
models or Figure 8--2 for 4-channel models, and follow these steps:
1. Remove the power button and rear case using the procedures on page 6--9.
2. Remove the internal assembly from the front case using the procedure on
page 6--12.
3. Disconnect the backlight cable from the power supply module.
4. For color displays, follow these steps:
a. Remove the power supply module using the procedure on page 6--11.
b. Remove the four screws attaching the display module to the chassis. The
screws were exposed when the power supply module was removed.
Display Module
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