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| TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-24
Control Unit Troubleshooting
(Sheet 7 of 12)
MODE SWITCH at RETRAN, SQUELCH switch at TONE.
FROM PIN
TO PIN
x
Ground
0
GG
DD
27 k
FF,MM,NN,t,s,a,V
All other pins
Inf
HH
Y
0
v
0
q
v
u
0
JJ
N
0 (VOL fully clockwise)
PP
KK,B
0
x
0
y
w
KK,d
0
e,f,F
E,D,C
0
x
c
510
b,Z
Ground
0
MODE SWITCH at HOME, SQUELCH switch at DIS.
FROM PIN
TO PIN
X,FF,HH,u,PP,w,c,Y
All other pins
Inf
GG
DD
27 k
DD
e,f,F
Inf
e,f,F
DD,E,D,C
0
MM
NN
0
t
s
0
47v
0
q
JJ
N
0 (VOL fully clockwise)
JJ
A
0
JJ
KK
163 (VOL fully clockwise)
x
0
y
d
KK,B
0
b,Z,v
Ground
0
2-120
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