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  TM 11-5805-239-35
Section Il. REPAIR
a. Capacitor C1 is an electrolytic capacitor;
3-7. General Parts Replacement
proper polarity must be observed when plac-
Techniques
ing it into a circuit.
b. When replacing rectifier CR1, observe
Most of the parts of Power Supply PP-
the polarity. (The end with the positive mark-
can b e reached and replaced
1209(*)/FG
ing is the semiconductor cathode.)
without special procedures. Whenever a part
c. Use a pencil-type soldering iron when
has been removed or any wires have been dis-
soldering or unsoldering the component parts.
connected, refer to the appropriate wiring dia-
W h e n the repair is completed, restore all
g r a m when making reconnection. See that
wires to their original dress.
all fastenings are replaced securely. After a
3-8. Testing Repaired Equipment
repair has been completed, test the equipment
Repaired equipment should be tested for
following precautions apply specifically to this
proper operation. Refer to paragraph 4-6 for
the PP1209 (*)/FG test procedure.
power supply.
3-7
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