Avery Berkel CX20 SERIES, Руководство по обслуживанию

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15 — CX30 TK Machine
15–8 CX20/CX30/CX34 Service Manual
15.5 Servicing
WARNING
HIGH VOLTAGES EXIST INSIDE THE UNIT. BEFORE
REMOVING THE COVER, ENSURE THAT MAINS POWER
IS DISCONNECTED COMPLETELY. EXCEPT WHERE
SPECIFIED IN THESE PROCEDURES, DO NOT APPLY
POWER TO THE UNIT WHEN THE COVER IS REMOVED.
15.5.1 Removing the customer keyboard
To remove the front moulding and gain general access to the keyboard interior,
proceed as follows:
1 Switch off machine and isolate it from the mains power supply.
2 Prise off the front moulding .
3 Remove the four, two–piece snap rivets holding the keyboard assembly
to the rear moulding.
15.5.2 Replacing the customer keyboard
To fit front moulding and close–up the unit, proceed as follows:
1 Offer up the keyboard assembly to the rear moulding and fit the four,
two–piece snap rivets.
2 Push the front moulding onto the rear moulding, ensuring it is clipped in
position.
15.5.3 Removing the keyboard controller PCB
To remove the keyboard controller PCB, proceed as follows:
1 Switch off machine and isolate it from the mains power supply.
2 Remove the front moulding and keyboard assembly (refer to Section
15.5.1).
3 On the keyboard controller PCB disconnect:
keyboard switch PCB loom from PL1
host communications loom from TB1 and TB2
4 Lift the keyboard controller PCB off the four pillars.