Maintenance
WFM 601A, WFM 601E, & WFM 601M Service Manual
6–39
NOTE
. For remote communications to function properly for the upgrade, valid
software must be running in the waveform monitor.
This procedure replaces the boot ROM on the A3 Main board with the new
version. You should replace the boot ROM if you have an older instrument with a
–00 or –01 version of the boot ROM. The main advantage of changing the boot
ROM from –01 to –02 is the ability to configure the waveform monitor to work
in other compatible models. The –00 boot ROM must be changed to be compat-
ible with the software versions 2.0 and above.
To access the boot ROM, you need to remove the cover and turn the instrument
over. The A3 Main board is the large board on the bottom as shown on
page 6–25.
To replace the boot ROM, follow these steps:
1. Remove the instrument from the cabinet as described on page 6–7.
2. Position the instrument with the bottom up and the front panel to your left.
3. Replace socketed U13 with the IC Tektronix part number 163-0653-02
provided in the kit. Refer to Figure 6–26 for the component location.
4. Install the instrument in the cabinet.
5. Install new software following the instructions beginning on page 6–40.
J17
J2
J5
J14
U13
Figure 6–26: Main board showing location of U13
Replacing the Boot ROM
Содержание WFM 601A
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