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Service manual M695
Doc code 636 718
Description of control unit MEL64/65
09/93 3077-HWE
Power supply MEL64/65
10V
supply
for potentiometer and receiver board
24V supply
for microscope and XY-gear
Control elements /displays
Pages
Red LED on panel board indicates
defective fuse
5-6
Green LED on panel board shows 10V
OK
5V supply
for logics of receiver board and foots-
witch or handswitch
LED “5V” OK on function display
Ground
PGND: Microscope ground
SENS
GND_XY: XY
ground
Yellow LED on panel board indicates
switch-off caused by excess current
Logics (ground) microscope
5-6
5-7
5-7
5-7