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Page Title:
CCDA Test Circuit Check (CRC)-continued |
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 TM 55-1520-4920-430-13
DIGITAL
STEP
CONTROL/SWITCH
RECEPTACLE
PIN NO.
NO.
NOMENCLATURE
POSITION
NORMAL RESULTS
(g) CCDA CMD
1. CW
1 . J6-M (line) to
1 . 11.72 to 14.28Vac
switch S38
J6-C
2 . OFF
2 . J6-M (line) to
2 . OPEN
J6-C
3 . CCW-1
3 . J6-N (line) to
3 . 11.72 to 14.28Vac
J6-C
4 . J6-N (line) to
4. OFF-0
4 . OPEN
J6-C
(5)
AFCS 115VAC
OFF
CCDA J6-P to
Read open on
4 0 0 H Z Power
J6 -D
and 13Vac
External Power
NOTE
q When a test includes a requirement that
an ac voltage be in-phase or out-of-phase,
oscilloscope channel A must be connected
across the digital multimeter. Oscillo-
scope channel B must be connected to the
ac source and the oscilloscope externally
triggered from the ac source.
q The minus sign (-) before an ac voltage
indicates out-of-phase.
(6)
(a) ATT SELECT
(a) CCDA
(a) None
(a) None
switch S35
(b) ATT Syncro
(b) 0.0
1 . J6-L (line) to
1. -0.05 to +0.05
J6-J
Vac
(c) AFCS 115VAC
(c) ON
400HZ Power
( d ) 13Vac External (d) ON
2. J6-K (line) to
2. -9.69 to -10.71
Power
J6-L
Vac
3. J6-K (line) to
-- -9.69 to -10.71
3.
J6-J
Vac
4-75
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