Optical Board To Led Cable Replacement - MES SQA-Vision Service Manual

SQA-Vision
Optical Optical Board to LED Cables - Replacement
(Part # KHD-908-000689 - Rev. 01)
Board
Issue: When the noise level of the SQA-Vision (Parameter
Cables
#17) is higher than 3, then the cables connecting the Optical
Note:
Board to the LED Board need to be replaced.
The following
instructions for

replacing the
Optical Board
cables are
applicable only for

devices where
aforementioned
cables are joined
with the boards by

means of
connectors.
For those devices
where the Optical
Board cables are
joined with the
boards using
soldering method
the following
instructions are
not applicable!
Please contact the
MES customer
support team for

appropriate
solution.



Important Note: Pay close attention to connect the cables
in the correct direction (from J1 to JP6 and from J2 to JP5)


Edition rev.: Jan 2020
Service Manual Version 109.13.4
Turn off the power and open the SQA-Vision by unscrewing
the screws from the rear panel using a #2 Philips
screwdriver.
Pull out the focus knob.
Using a #2.5 Allen Key, release the 5 screws which hold the Optical column to the front
panel (shown in the pictures below)
Remove the damaged cables from the Optical board by
disconnecting the J5 and J6 connectors
Carefully lay down the Optical Base
Remove the damaged cables: disconnect the J1 and J2
connectors from their locations on the LED board
Connect a new pair of cables as follows:
 Connect the cables back to the J1 and J2
connectors on the LED Board
 Connect the cables back to the J5 and J6
connectors on the Optical Board
Reattach the optical column to the front panel using the
same 5 screws
Close the SQA-Vision.
23
Open the SQA-Vision
Disconnect the J5 and
J6 connectors
Disconnect the J1 and
J2 connectors