Tektronix WFM 601A, Service Manual

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Maintenance
6–12
WFM 601A, WFM 601E, & WFM 601M Service Manual
4. Disconnect the 2-pin cable from A3J3 on the Main board and push it through
the hole in the Main board. The red lead is toward the rear of the instrument.
5. Grasp the front of the CRT and use your other hand to rock the CRT out of
the socket on the A5 CRT board. Pull the CRT straight out the front leaving
the CRT shield in the case.
6. To replace the CRT, reverse the steps for disassembly. Ensure that the four
plastic supports are on the corners of the CRT shield before inserting the
CRT. Check that the CRT wire harness is routed beneath the CRT shield as
shown in Figure 6–8.
7. When connecting the anode lead, press the two ends together until they snap
into place. Tuck the anode lead between the CRT and CRT shield. The
upper-right shield support has two tabs removed to provide room for the
anode lead.
8. Orient the red lead of the 2-pin cable toward the rear of the instrument.
Figure 6–8: Routing for CRT wire harness
To remove the Front Panel board, use the following procedure:
1. Remove the blue multiwire connector from A3J1.
2. Push down on the tab located on the top rear of the front-panel assembly and
press outward on the upper part of the assembly. See Figure 6–9.
3. Remove the Front Panel assembly by slipping it through the front-panel
opening.
Removing the Front Panel
Board