CBM-290/291 Service Manual
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6 -
CITIZEN
3333.... D
D
D
DIIIISSSSA
A
A
ASS
SS
SS
SSE
E
E
EM
M
M
MB
B
B
BL
LL
LY
Y
Y
Y A
A
A
AN
N
N
ND
D
D
D R
R
R
RE
E
E
EA
A
A
ASS
SS
SS
SSE
E
E
EM
M
M
MB
B
B
BL
LL
LY
Y
Y
Y
3333....1
1
1
1 D
D
D
Diiiissssaaaasssssssseeeem
m
m
mbbbblllly
y
y
y P
PP
Prrrroooocccceeeedddduuuurrrreeee
1. Remove a cover.
(1) Open the cover.
(2) Remove it, bending one hinge
section outside.
(3) Remove the other hinge section.
2. Remove a rear cover.
(1) Insert a regular screwdriver into
a slot located at the top(or
bottom) of the rear cover.
(2) Raising the end of the regular
screwdriver, remove the rear
cover.
3. Remove a control board.
(1) Using a Phillips screwdriver,
remove two screws(PHT M2.6 x
8).
(2) Disconnect a connector from the
control board.
