GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. TOOLS AND EQUIPMENT
Tools required to perform general support
Test equipment necessary for troubleshooting
maintenance for Test Set, Radio Frequency TS-
and maintenance at general support maintenance
2609A/U are contained in Tool Kit, Electronic
Table 7-1. Test Equipment Required for
National stock No.
Handset H-189/GR (or H-138/U).
Dummy Load, Electrical DA-75/U.
Section Il. TROUBLESHOOTING
7-3. Troubleshooting Meter
a. Operate the switch to its four positions. The
switch must restore itself to the 100 position from
either 10 position. Make sure the switch operates
If the TS-2609A/U fails to operate properly,
smoothly and easily.
check the meter as follows:
When removing or replacing the meter, be
Be careful to prevent breaking the wires
careful to prevent breaking the wires that
that interconnect the components of the
i n t e r c o n n e c t components of the line
line section assembly and those of the
section assembly and components of the
b. To check the electrical characteristics of the
the meter from TS-2609A/U (para
selector switch, remove the four machine screws
substitute a replacement meter.
(16) that hold the line section assembly (17) to
the case (32) of the TS-2609A/U. Separate the
line section assembly from the case without
b. If the substitute meter (meter must be
disconnecting the electrical leads.
identical) functions properly, replace the original
c. Unsolder one
with an identical meter from stock.
placed across the meter or being applied to the
7-4. Troubleshooting Selector
taken of the switch contacts.
d. Put the TS-352B/U range switch in the RX1
If one or more of the contacts of the selector
position and the FUNCTION switch on OHMS.
through the switch. Troubleshoot the selector
tacts. A good switch contact should give a zero
switch as follows: