GAI-Tronics 12702-001, 12702-002 Amp PCBA Kit for EZ Page Intercom - Manual (Page 3)

Pub. 42003-179A
M ODELS 12702-001 and 12702-002 EZ P AGE A MPLIFIER PCBA R EPLACEMENT K IT Page: 3 of 3
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5. Ensure that the Listen/Talk switch’s supplied hex nut is screwed tightly against the switch body and the
anti-rotation ring (locking tab facing the heatsink plate) is positioned correctly before reinstalling.
6. Reinstall the Listen/Talk switch through the heatsink plate and front cover. (Orient the bat handle
toward the L ISTEN position as indicated on the front panel label.
7. Push the sealing nut over the bat handle and tighten against the front cover.
8. Tighten the speaker volume/on-off switch’s sealing nut against the front cover.
9. Reinstall the fuseholder to the mounting bracket with the screw previously removed. Refer to Figure 2.
10. Reinstall the fuse (F1) into its holder.
11. Carefully reconnect the following connectors to the PCBA (refer to Figure 1:
P1 to J1
P2 to J2
P3 to J3
P4 to J4
12. Carefully reinsert the front cover assembly into the units’ housing. Use caution to not pinch any wires
between the front cover and the housing.
13. Reinstall the six front cover screws and tighten securely.
14. With the speaker volume on-off switch fully counterclockwise, reattach the knob. Position the knob’s
white dot adjacent to the off dot on the front panel label and retighten both set screws.
15. Reapply power and check for proper operation.