Integra CROMA24 - Manual (Page 101)

Assembly\Disassembly 101
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Croma24 Service Manual
Figure 5-7. Carrier PCB Removal/Installation.
4. Unlock the latch on the right end of the Carrier Assembly and
lift up the right end of the Carrier PCB. See Figure 5-7.
5. Slide the Carrier PCB to the right to remove the tab on the
left end of the Carrier PCB from the slot in the Carrier
Assembly.