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Instructions for changing Master Control board jumper on Vi2/4/6 consoles
Ensure power is switched off before starting the procedure.
1. Gain access to the rear of the console and remove the 9 screws securing the left-
hand rear access panel (as you look at the rear of the console). Lower the rear panel
to allow access to the Control boards, which are the PCBs mounted directly behind
the TFT screens.
2. On the Master Bay Control Board only (the right-hand of the two Control boards
visible as you look at the back of console), locate the pair of jumpers labelled J2.
There are two jumpers in this group, one labelled 1-2-3 the other 4-5-6. See Fig 1
below for the location.
3. These jumpers will be fitted bridging pins 2-3 and 5-6. Move the upper jumper only,
from the 5-6 position to the 4-5 position, as per Fig 2 below. Note that this change
should only be done on the Master Bay Control board.
4. Close up the rear access panel and carry out the software update to V4.9.0 if not
already done.
Fig. 1
Location of the jumper group
J2 on the Control Board mounted
behind the Master TFT screen.
Fig. 2
Close-up of Jumper group J2
Move the upper jumper to the
right, so it is in the 4-5 position.
Leave the lower jumper in the left-
hand (2-3) position.
After the change, the jumpers
should look like they do in the
photo.
Note: On all Control Boards other
than the Master, both jumpers
will already be set to the right-
hand position, this is correct and
does not need to be changed.
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