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Nokia RD40 Manual page 38

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R40 dismantling and assembly
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IHardware] [Operating Notes] lNokia R4O] [PBR]
R 4 O d i s m a n t l i n a n d a s s e m b l
The body contains two boards, one at the
top for logic and one at the bottom for RF.
It's just about possible to remove the logic
board on its own but fitting it back ln is
another matter.
To get at the other side of the logic board,
you really need to remove the RF board
first.
RF board - Removal
. R e m o v e t h e
o u t e r
c o v e r
( 4 s c r e w s M 3 x 6 )
. R e m o v e t h e
t w o M 3 x 6 s c r e w s w h i c h h o l d
t h e
s t r a i n
r e l i e f
s a d d l e
f o r
t h e
c o a x c a b l e .
. R e m o v e t h e
t w o r u b b e r
b u n g s n e s t l e d
í n
t h e
r e a r
h e a t s i n k
. R e m o v e L h e t w o s o c k e c
c a p s c r e w s h o l d i n g
t h e
P A b l o c k
i n
p l a c e
( 2 . 5 m m h e x k e y )
. R e m o v e a L L 2 5 P C B s c r e w s - i n c l u d i n g
t h e
s h i e l d i n g
b l o c k
. E a s e o u t
t h e
b o a r d
Logic board removal
. R e m o v e o u t e r
p a n e l
( 4 M 3 s c r e w s )
. R e m o v e a l t
1 1 s c r e w s w h i c h h o l d
t h e
P C B t o
t h e
c h a s s i s
. R e r n o v e t h e
D 4 4 s e c u r i n g
p L l l a r s
( 5 r n m n u t
s p i n n e r )
. R e m o v e t h e
t w o s c r e w s
h o l d i n q
t h e
h e a d D 1 5 c o n n e c t o r
r W i t h d r a w t h e
b o a r d
: Caution! Thls board is |ive at all times due to the on-board lithium
,i battery. If it is allowed to short against a conductivê object, damage
I -"1 :.::ï:.::1.1':
::::':.ï T.:: ::. illl...
Logic board re-fitting
o F i t
h e a d s o c k e t
( t w o c o u n t e ï s u n k
s c r e w s )
mhtml:file:/A\.PSF\Share\Nokia%20RD40\R40%20dismantlins%20andYo20assemblv.mht
2/8/2008

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