Troubleshooting - Kenwood TM-281A Instruction Manual
144 mhz fm transceiver
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Also See for TM-281A:
- Service manual (50 pages) ,
- Instruction manual (81 pages) ,
- Instruction manual (79 pages)
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TROUBLESHOOTING
The problems described in the following tables are commonly encountered operational malfunctions. These types
of difficulties are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to
incomplete programming. These problems are usually not caused by circuit failure. Please review these tables and
the appropriate section(s) of this instruction manual before assuming your transceiver is defective.
Problem
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Problem Cause
1 1 1 1 1
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1 1 1 1 1
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[ ]
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P (
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D
s i
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m
Corrective Action
h t
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p
p
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d
D
C
p
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+
; )
B
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(
–
. )
→
h t
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f o
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b
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w
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a
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( e
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s i
1
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%
1 (
1
7 .
V
o t
1
5
8 .
V
D
C
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p
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c
a
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c
o
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t c
o i
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. s
]
]
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.
f o
h t
e
L
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k c
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n
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n
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t
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e
v i
r e
p
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w
r e
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F
, F
p
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+ )
R [
R [
R [
R [
E
E
E
E
] V
] V
] V
] V
o t
e
t i x
C
h
a
n
n
l e
R [
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] V
o
d
. e
Page Ref.
a
b
e l
3
s (
. )
5
h t
e
, 3
4
. )
, e
/ d
r o
3
, 0
1
5
5
3
5 ,
8
6 ,
4
e r
s s
3
7
14
69
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