CBM-920 Service Manual
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8 -
CITIZEN
4444. . . . T
TT
TR
R
R
RO
O
O
OU
U
U
UB
B
B
BL
LL
LE
E
E
ESSSSH
H
H
HO
O
O
OO
O
O
OT
TT
TIIIIN
N
N
NG
G
G
G
4444----1
1
1
1 T
TT
Trrrroooouuuubbbblllleeeesssshhhhoo
oo
oo
oottttiiiinnnng
g
g
g P
PP
Prrrroooocccceeeedddduuuurrrreeee
When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with 4-2
Troubleshooting Guide, and troubleshoot as described below.
·
Phenomenon: Find a trouble phenomenon in this column. If there are multiple
phenomena, take all the corresponding items into consideration.
This allows you to specify a hidden defective part.
·
Cause:
Lists as many possible causes as possible. Guess a trouble cause out
of them and take its check method to specify the trouble cause.
·
Check Method: Describes a check method to specify a trouble cause.
·
Remedy:
Troubleshoot by taking a remedy described in this column.
By troubleshooting in accordance with the above-mentioned procedure, you can troubleshoot
efficiently with less misjudgments.
