TM 11 5895-1096-40
WARNING
3-16. Disassembly
120 volts AC is present at power supply
WARNING
connections inside equipment. Ensure
Ensure test set is disconnected from
test set is disconnected from power
power
source
before
attempting
supply source before attempting repairs.
disassembly. DEATH ON CONTACT or
DEATH ON CONTACT or serious injury
serious injury may result if safety
may result if safety precautions are not
precautions are not observed.
observed.
CAUTION
the test set main assembly proceed as follows:
Use a pencil-type soldering iron with a
(1) Ensure POWER switch is in OFF position and
25-watt maximum rating. Too much heat
ac power cord is disconnected from power source.
from the iron will damage the printed
(2) Remove six screws (1) from panel assembly
wiring of circuit cards. Use only enough
(2).
heat to quickly remove or replace
(3) Carefully remove panel assembly (2) from
components. This equipment is also
case assembly (3).
transistorized. If the iron must be used
with ac, use an isolating transformer
b. Probe Amplifier Assembly. To disassemble the probe
between the iron and the line. Do NOT
amplifier assembly, refer to figure 3-9, and proceed as follows:
use
a
soldering
gun
near
the
transistorized assemblies; damaging
(1)
Disconnect probe from amplifier assembly.
voltage may be induced in the circuit
(2)
Remove four screws (1) securing cover (2).
components.
(3)
Remove cover (2) from case (3).
NOTE
For additional soldering techniques refer
to TB SIG 222.
3-16
