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Page 50
Once the valve base has been
screwed into position then we can
solder the legs as shown opposite.
you will probably feed plenty of solder
into the hole to secure into position.
Resistor Installation
2
680R
R42, R43
6
1K
R39, R46, R47,
R48, R51, R52
4
36K
R40, R41, R44, R45
Resistors
4
1M
or
1M2
R37, R38, R49, R50
Resistor Lesson - The naming convention for resistors is as follows:
A resistor value under 1000 ohms is typically referred to with an R – For example 100R means 100 ohms. Or you could
have a value of 47R5, which would mean 47.5 ohms – the R is used to specify the decimal point as well as Resistance in
Ohms.
A 1000-ohm resistor would be referred to as 1K ohms or you could have a 1K5, which means 1500 ohms.
And so on to 1M or 1M5 etc…
Using the color code table or an ohmmeter you can select
the resistors and install them into the PCB.
Here we have selected the 680R resistor and measured on
the ohmmeter.
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