Xronos Alarm Clock V2.1 Manual - page 17
Reassembly:
● Attach Main board and power supply to the back panel. Plug in power and temperature
sensor wires.
● Attach right “speaker” panel to the bottom panel with two 1/2” 4-40 screws. Leave
screws slightly loose at this point! Joint will be moving slightly for easier insertion.
● Insert right and bottom panels into bottom panel gently.
● To attach top (button) panel you will need to lift right “speaker” panel slightly to match it’s
tabs and insert all of them into back panel.
● Plug in all the wires (buttons, light sensor and speaker)
● Plug in LED display ribbon cable
● While making sure that no wires get caught gently lower front panel and match all tabs. If
you have faceplate attached, remove it (it
’s not screwed to anything) so you can see
where tabs go.
● Check that all parts are fitted nicely, place faceplate on front panel and start threading
long screws from the bottom until they go thru.
● Screw acorn nuts onto them from the front. Do not tighten yet.
● Alight and attach left “maintenance” door and secure it with 3 screws (2 x ½” 4-40 from
side and one 9/16
” 4-40 from back)
● Tighten acorn nuts with hand and also tighten 2 half inch 4-40 screws holding speaker
panel. Do not over tighten them! You can break acrylic!
Note on Power Supply
Power supply that comes with clock is designed to work in USA only.
I highly recommend using Power Supply that came with the clock because clock has been
intensely tested with it and I went thru many different kinds until current one was chosen.
If you must use different one (i.e. your country uses different plug) please make sure that:
1. It has correct polarity: Tip is Positive and Outer jacket is negative. This is the most important
thing, as wrong polarity will damage clock!
2. Supplied voltage is at least 6 Volts DC and not more than 24 V
3. DC plug is security stays in the socket! If you touch the wire and clock reboots, it mean that
plug is no good. Bad plug can cause reversible damage to the clock. I’ve seen contents of the
flash being erased d
ue to the bad plug (although on extremely rare occasion). While this won’t
permanently brick your clock, you’ll have to reprogram it if it happens.