tams elektronik
English
Multi-Timer
8.
Electrolytic
capacitors
Observe the polarity!
One of the two leads (the shorter one) is
marked with a minus sign.
9.
Transistors
Observe the polarity!
With transistors for a high power rating in TO
packages (e.g. MOSFETs) the labelled front
side is marked by a beveled line in the PCB
layout.
10. Double terminal
strips
Put together the terminal strips before
mounting them.
11. ICs in DIL-
housing
Insert the ICs into the soldered socket.
Do not touch the ICs without first discharging
yourself by touching a radiator or other
grounded metal parts.
Do not bend the "legs" when inserting them
into the sockets. Check that the markings on
the PCB, the socket and the IC show to the
same direction.
6.5. Performing a visual check
Perform a visual check after the assembly of the module and remove
faults if necessary:
Remove all loose parts, wire ends or drops of solder from the PCB.
Remove all sharp wire ends.
Check that solder contacts which are close to each other are not
unintentionally connected to each other. Risk of short circuit!
Check that all components are polarised correctly.
When you have remedied all faults, go on to the next part.
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