
NIDEK TECHNOLOGIES
MMSMEN2.4 –MM Service Manual rev.2.4 110329 Page 3 of 64
Table of contents
1Introduction ................................................................................................. 4
2Cautions...................................................................................................... 5
2.1 Before service...................................................................................... 5
2.2 During service...................................................................................... 5
3Removal and replacement procedures........................................................ 8
3.1 Removing the left head cover .............................................................. 9
3.2 Removing the right head cover.......................................................... 10
3.3 Replacing the head covers................................................................. 11
3.4 Removing the front ring...................................................................... 12
3.5 Removing the head cover support bracket......................................... 13
3.6 Removing the optical head assembly................................................. 14
3.7 The optical head assembly replacement............................................ 17
3.8 Removing the moving base cover...................................................... 18
3.9 Removing the chinrest ....................................................................... 20
3.10 Removing the joystick........................................................................ 21
3.11 Removing the base plastic cover ....................................................... 24
3.12 Removing the base metallic cover ..................................................... 26
3.13 Removing cable plate MM2-ME126................................................... 28
3.14 Removing chinrest cable MM2-WI003 ............................................... 29
3.15 Insert the new chinrest cable MM2-WI019......................................... 31
3.16 Setup of micro switch and pin MM2_WI019 cable ............................. 33
3.17 Removing the plug of chinrest cable MM2-WI010.............................. 36
3.18 Assembly front cable support MM2-ME201 ....................................... 37
3.19 How replace MM2-WI010 cable with MM2-WI018 cable.................... 38
3.20 Assembly rear support cable MM2-ME201........................................ 43
3.21 Lock chinrest cable MM2-WI018 to rear support cable...................... 44
3.22 Connect two chinrest cable................................................................ 47
4New CCD Camera Videology 21D389-USB.............................................. 50
5HID & hub USB 2.0 Board......................................................................... 51
6MAG-EL100 rev5 ...................................................................................... 52
7Replacement............................................................................................. 54
8Wiring........................................................................................................ 55
8.1 Cables List......................................................................................... 55
8.2 Electronic Boards list.......................................................................... 55
8.3 WD 1.................................................................................................. 56
9Technical specifications ............................................................................ 60
10 Tools...................................................................................................... 61
10.1 Special tools....................................................................................... 61
10.2 Service tools set................................................................................. 61
11 Parts and assemblies list....................................................................... 62