Modem Replacement - JVL Echo Technical Support Manual

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Modem replacement

19.
moDem replacemenT
1. Turn off the countertop and disconnect the AC power supply.
2. Open the lock and tilt the top of the Back Door towards you to remove it completely (see Fig. 1
on page 26 for details).
3. Remove the freely installed Cashbox by lifting upwards, then pulling it towards you (see Fig. 2
on page 27 for details).
4. Unscrew 4 Machine Screws:
(Two- #8-32 x 1-1/4" and two #8-32 x 3/8") and open the monitor to gain access to all electronic
components (see Fig. 3 on page 28 and Fig. 4 on page 29 for details).
5. Press on the snaps of the Inner Cover to unlock them. Tilt the cover towards you, and then slide
the Inner Cover upwards. Move it along the Monitor Stopper Cable and set it aside (see Fig. 5 on
page 30 for details).
6. Locate the USB cable coming from the original modem and disconnect it from the CPU Box
(See Fig. 54 on page 57 for details).
7. Disconnect the phone cable from the modem and remove the modem from the machine
(See Fig. 57 on page 58 for details).
8. If necessary, disconnect the phone cable from the ESD PCB and replace it with the new one
(See Fig. 56 on page 58 for details).
9. Install the new modem. Use Velcro fastener to mount it into the machine (See Fig. 57 on page
58 for details).
10. Reassemble the countertop by following the previous steps in reverse order.
NOTE: For part numbers see Appendix B
24
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