WordClock-2 Assembly Guide 4/20/20 Version 1.3
Page 5
parts.
•
Solder resistor arrays R10-R12, to the back of the board. Note the polarity. The mark on
the arrays must be aligned with the square side of the silk screen.
Pin 1 is up on R10-
R11, down on R12.
•
Install LED7-LED10 (skip this step), the colon LEDs. Don’t solder yet. The short pin goes
toward the top of the display board. Turn the display board over so it is face down. Make
sure the LEDs are touching the work surface, and solder one lead on each LED. Check
the alignment and adjust as necessary. Solder the second lead of each LED.
Step 3 – Final Assembly
•
Install four, 10mm standoffs into the holes on the bottom of the main board on the side
with the buttons, using four screws.
•
Install two standoffs into the holes on the bottom of the main board on the front side, on
each outer edge, with 90-degree brackets. Put the screws through the short side of the
bracket, then the board, and screw into the standoffs. Install screws and standoffs only,
onto the six remaining holes.
•
Plug the display board into the main board. The brackets should be behind the display
board. Install two screws and nuts to secure it to the brackets
•
Remove protective film from the alphanumeric displays.
This completes WordClock-2 assembly. Refer to the User Manual for setup and operation.
