Mitsubishi GT16 User Manual page 157


For GT16-70VLTTA
The backlight replacement procedure differs according to the hardware version and the manufacture year and month
of the GOT.
Appendix2 Confirming of Versions and Conformed Standards
Model name
GT1675M-VTBA
GT1675M-VTBD
(1) GT1675M-VTBA with hardware version A (Manufacture year and month: January 2012) or earlier,
and GT1675M-VTBD with hardware version B (Manufacture year and month: January 2012) or
earlier
1.
Turn off the GOT.
2.
Disconnect the power supply cable and the communication cable. Remove the GOT from the control panel.
3.
Remove the right extension unit cover of the GOT.
Remove an extension unit, including a bus connection unit, if it is mounted.
4.
Remove eight fixing screws on the GOT rear face with a screwdriver.
5.
Remove the backlight cables and the relay cables from the GOT board connector. Since the relay
connector adheres inside the GOT, detach the connector and perform the removal.(Expanded figure of part
A in step 4)
GOT hardware version (Manufacture year and month)
A (January 2012) or earlier
B (February 2012) or later
B (January 2012) or earlier
C (February 2012) or later
Bottom
A
Top
Top
9.6 Backlight Replacement
9
Reference
10
(1)
(2)
(1)
(2)
9 - 11