-
Then solder all ceramic capacitor. Do not leave long legs of 0.1uF capacitor behind the
board in MAX1771 area, as MAX chip body will be sitting there
-
Please note that small schottky diode located near byB2 button has wrong polarity on the
board, please use
IN17clock_uC_pcb_a.pdf
layout diagram to get right direction.
-
Before you solder Buzzer, insert and solder all (except backup battery) components on
b
side, please use
IN17clock_uC_pcb_a.pdf
layout diagram.
-
Solder MAX1771 chip. First pin of this chip has squire pad on the board.
-
Don’t forget to solder connectors and buzzer. Please note that buzzer should be installed
with correct polarity.
-
Insert and solder vertically 1A fuse and 1N4001 diode, then bend their wires and solder
in together in serial.
-
Please use only certified and regulated power adapter, as unregulated more than 15 volts
could damage your clock.
-
Don’t mix polarity on your 9v connection, as it could damage your Clock
