TM 11-7025-234-23
V.29-TS-01
INDICATOR FAILS LAMP CHECK
REPLACE BOARD ON
IS THE DEFECTIVE
NO
YES
ARE ANY OF THE
WHICH DEFECTIVE
r
INDICATOR THE POWER
INDICATORS LIT?
INDICATOR IS FOUND
I
SUPPLY INDICATOR?
YES
CHECK POWER
REPLACE FUSE
SUPPLY FUSE
YES
DOES INDICATOR
NO
IS IT OKAY?
NOW LIGHT?
NO
CHECK POWER SWITCH
FOR CONTINUITY
NO
REPLACE POWER
GO TO
IS IT OKAY?
SUPPLY (PARA 4-12)
V.29-TS-00
YES
I
CHECK POWER CORD
FOR CONTINUITY
NO
REPLACE CORD
IS IT OKAY?
YES
REPLACE POWER
REGULATOR BOARD (Al)
NOW LIT?
REPLACE POWER
GO TO
SUPPLY (PARA 4-12)
V.29-TS-00
I
I
MODEM FAILS SELF TEST
V.29-TS-02
1 OF 2
CHECK RCV DATA INDICATOR
I
A SELF TEST FAILURE
INDICATES A FAULT IN
THE TRANSMITTER OR
RECEIVER CIRCUITS.
I
REPLACE MOTHER
DOES MODEM PASS TEST?
BOARD (PARA 4-17)
I
YES
4-6
