6-4 Maintenance
6.3 Equipment and Spare Parts Recommended for Service
6.3.1 Test Equipment Required
See Table 5-1 in section 5.2.
6.3.2 LT Series Spare Parts
Parts
Number
Assembly Adjustments or
Confirmations
Performance
Tests
213025610 CPU Board without DRAM 6.4.1 None
213025605 Main Board for LT344/344L
without HMM436’s
6.4.2 None
213025650 Main Board for LT342/342L
without HMM436’s
6.4.2 None
213025648 Main Board for LT322
without HMM436’s
6.4.2 None
213025670 Main Board for LT224
without HMM436’s
6.4.2 None
213025700 Main Board for LT364
without HMM436’s
6.4.2 None
213025678 Front Cover(4CH)for LT344/224 None None
213025679 Front Cover(2CH) for LT342/322 None None
213025680 8.4”Color TFT LCD Display Assy None None
213025615 Power Board 6.4.3 None
DMB020691 Floppy Disc Drive None None
213025681 Printer Assy None
The other parts are not on the above list because the probability of failure is very low.
See chapter 7 and 8 for mechanical and electrical replaceable parts.
6.4 Board Exchange Procedure
6.4.1 Processor Board Exchange Procedure
The serial number of the LT Series oscilloscope is loaded in the real time clock
memory which is battery backed up. If it becomes necessary to replace the
processor board, the serial number must be loaded in the memory of the new board
by using LeCroy program " LeCalsoft " under GPIB remote control.
To run " LeCalsoft " type SKP.exe, in the main menu type S, and follow the
instructions, use five digits to enter the serial number ( i.e. 10281).
Then check in the system summary, by using the show status button on the front
panel, the scope serial number.
6.4.2 Main Board Exchange Procedure
After Main Board is exchanged, adjust as the following method.
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