 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 Check continuity through the ap-
propriate section of each
switch.
Replace R104.
R104 open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Meter pointer will not adjust to 10
6
or to 100 when BIAS control is
varied for gas test (TM 11-6625
274-12).
Replace R103, R117, R127A, or
R103, R117, R127B, R127A, at
`7
Meter does not indicate when push-
R127B.
end opposite R127A, B junc-
button 2--DIODE is depressed
tion, or secondary No. 7 of
(diode tests only).
Check T101; replace if necessary.
T101 open.
Rotate each selector switch knob
Defective selector switch contact.
and reset to test position.
Check continuity through the ap-
propriate section of each
switch.
Adjust defective contact; replace
switch if necessary.
Replace R113, R134 (TV-7A/U,
R113, R134, (TV-7A/U, serial
Meter reading beyond full scale
8
serial No. 12019492), or R135
No. 1201-9492), R135 (TV-
when pushbutton 3-MUT.
(TV-7B/U, TV-7D/U).
7B/U, TV-7D/U) open.
COND. is depressed.
Replace defective resistor.
R103, R111, R115 (TV-7/U, TV-
Meter does not indicate when push-
9
7A/U, serial No. 1-1200), or
button 3--MUT. COND. is de-
R118 open.
pressed.
Check T101; replace if necessary.
Open secondary No. 2, 3, or 6 of
T101.
Replace V101.
Defective V101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rotate each selector switch knob
Defective selector switch contact.
and reset to test position.
Check continuity through the ap-
propriate section of each
switch.
Adjust defective contact; replace
switch if necessary.
Replace defective resistor.
R115, R135 (TV-7A/U, serial
Meter pointer deflects to left, off
10
numbers 12019492), R137
scale, when pushbutton 3-MUT.
(TV-7B/U, TV7D/U) open.
COND. is depressed.
Replace defective resistor.
R103, R111, R115, R118, or R119
11
Meter does not indicate when push-
button 4-GAS 1 is depressed.
open.
Check T101; replace if necessary,
Open secondary No. 2 or 6 of
T101.
Replace V101.
Defective V101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals