6-2
Maintenance
6.2
Disassembly and Assembly Procedure
The disassembly and assembly procedures detailed below refer to the views of
figures shown in section 8.
6.2.1 Disassembly Procedure
Please study the figures in section 8 before attempting disassembly. Before
removing any parts from the LeCroy LC564DL, be sure to read carefully the
instructions referring to those parts, noting any precautions needed to avoid
problems.
Extreme caution should be taken in protecting the LCD face from damage (e.g.
scratch marks, fingerprints, dust etc.) when handling, in particular when inserting or
removing from the instrument.
a. Removal of the Front Bezel
The front bezel disassembly procedure refers to the view of figure 8-1.
The display is very easily damaged by fingerprints and dust once the front
bezel is removed. Extra care must be exercised to protect the LCD face from
getting dust or fingerprints. It may be impossible to clean completely if it is touched.
•
Before removing front bezel make sure work area is as dust free as possible.
•
Cover hands with powder free vinyl gloves.
•
Remove three M3X6 screws underneath the plastic bezel.
•
Pivot up the plastic bezel and remove it from the front frame by disengaging the
hooks on the top of the bezel from the corresponding front frame lugs.
•
Place bezel in plastic bag to protect glass from dust and fingerprints.
•
Immediately cover LCD face with fresh piece of plastic wrap - secure to frame of
unit if nessesary with tape.
b. Removal of the Upper Cover Assembly
The upper cover disassembly procedure refers to the view of figure 8-1.
•
Remove the front bezel (6.2.1.a)
•
Remove the seven M3X6 screws (three M3X6 on top, two M3X6 on left and two
M3X6 on right ).
•
Remove the two upper feet ruber (see 11 on figure 8-3).
•
Remove the two M5 screws that secure the two upper feet to the upper cover
and rear panel.
•
Carefully slide the upper cover off the unit ( disconnect optional Internal printer
cables from power supply and processor board ).
Summary of Contents for LC564DL
Page 12: ...x Table of Contents ...
Page 18: ...2 4 General Information ...
Page 46: ...4 22 Theory of Operation 4 6 2 Power Supply Block Diagram ...
Page 59: ...Performance Verification 5 13 ...
Page 70: ...5 24 Performance Verification ...
Page 95: ...Performance Verification 5 49 ...
Page 115: ...Performance Verification 5 69 ...
Page 122: ...5 76 Performance Verification Figure 5 14 1MΩ Ω Ω Ω Rise time Equipment Setup ...
Page 148: ...6 14 Maintenance 6 6 4 Fan Problem ...
Page 149: ...6 6 5 Power Supply Voltages Problem Maintenance 6 15 ...
Page 150: ...6 16 Maintenance 6 6 6 Display Problem ...
Page 151: ...6 6 7 Front Panel Controls Do not Operate Maintenance 6 17 ...
Page 152: ...6 18 Maintenance 6 6 8 Remote Control GPIB or RS232 Problem ...
Page 153: ...6 6 9 Performance Verification Fails Maintenance 6 19 ...
Page 154: ...6 20 Maintenance 6 6 10 Floppy Disk Drive Problem ...
Page 155: ...6 6 11 Graphic Printer Problem Maintenance 6 21 ...
Page 156: ...6 22 Maintenance 6 6 12 Centronics Problem ...
Page 157: ...6 6 13 Hard Disk Drive Problem Maintenance 6 23 ...
Page 158: ...6 24 Maintenance ...
Page 181: ...Mechanical Parts 8 1 8 Mechanical Parts Figure 8 1 LC564DL Cabinet ...
Page 182: ...8 2 Mechanical Parts Figure 8 2 LC564DL Chassis Assembly ...
Page 184: ...8 4 Mechanical Parts Figure 8 3 Power Supply Installation ...
Page 185: ...Mechanical Parts 8 5 Figure 8 4 Lower Cover Assembly ...
Page 187: ...Mechanical Parts 8 7 Figure 8 5 Lower Cover Assembly with CKTRIG Option ...
Page 188: ...8 8 Mechanical Parts Figure 8 6 Lower Cover ...
Page 190: ...8 10 Mechanical Parts Figure 8 7 CKTRIG Option ...
Page 191: ...Mechanical Parts 8 11 Figure 8 8 Rear Panel Assembly ...
Page 193: ...Mechanical Parts 8 13 Figure 8 9 900079 Main Board Assembly ...
Page 194: ...8 14 Mechanical Parts Figure 8 10 900079 Main Board Assembly ...
Page 196: ...8 16 Mechanical Parts Figure 8 11 Upper Shield Assembly ...
Page 197: ...Mechanical Parts 8 17 Figure 8 12 Front Frame Assembly ...
Page 199: ...Mechanical Parts 8 19 Figure 8 13 Keypad Assembly ...
Page 200: ...8 20 Mechanical Parts Figure 8 14 Fan Assembly ...
Page 202: ...8 22 Mechanical Parts Figure 8 15 Graphic Printer Assembly ...
Page 203: ...Mechanical Parts 8 23 Figure 8 16 Upper Cover Assembly ...
Page 205: ...Mechanical Parts 8 25 Figure 8 17 Hard Disk Assembly ...
Page 206: ...8 26 Mechanical Parts Figure 8 18 Centronics VGA Interface Assembly ...
Page 207: ...Mechanical Parts 8 27 Figure 8 19 Floppy Disk Assembly ...
Page 209: ...Mechanical Parts 8 29 Figure 8 20 LC564DL Dimensions ...
Page 210: ...8 30 Mechanical Parts Figure 8 21 LC564DL Packaging ...