Nokia RH-41 Series User manual

CCS Technical Documentation
RH-41 Series Transceivers
Issue 2 09/2003 Confidential Nokia Corporation
Assembly

RH-41
Assembly CCS Technical Documentation
Page 2 Nokia Corporation Confidential Issue 2 09/2003

CCS Technical Documentation Assembly
RH-41
Issue 2 09/2003 Nokia Corporation Confidential Page 3
Assembling the RH-41 Basic Transceiver
1.
Assemble the D-cover assembly.
Step 1. Assemble the metal deck from the
back cover side by pressing it with your
fingers.
All six tabs should snap into the slots in the
D-cover.
Step 2. Place the IR window onto the
D-cover before assembling the
antenna.
3.
2.
Step 4. Press the antenna into its place.
Note: Make sure that the antenna springs do not
get damaged or touched during assembly.
No fingerprints should get on the springs.
4. Step 5. Place one end of the battery latch into
the D-cover slot.
Step 6. Bend the latch and move the other
end into the D-cover slot.
5.
The battery connector will be assembled onto the D-cover
with interference fixing.
Step 7. Place connector onto D-cover with tweezers.
Step 8. Push the connector into the D-cover slot with your fingers.
Note: Make sure that the
battery connector is
below the D-cover edges after assembly. If the
buzzer or vibra assembly is in place, make
sure that the buzzer springs stay intact. They
may be damaged, if touched.

RH-41
Assembly CCS Technical Documentation
Page 4 Nokia Corporation Confidential Issue 2 09/2003
6.
7.
Step 9. Place the vibra assembly into its slot. Use
tweezers.
The vibra is assembled into the D-cover with
interference fixing.
Note: If the battery connector or the buzzer assembly is in
place, make sure that the battery connector springs
and the buzzer springs stay intact. The springs may be
damaged, if touched.
Step 10. Place the buzzer assembly into its place.
Use tweezers.
The buzzer is assembled into the D-cover with
interference fixing.
8. Step 11. Place the release spring into the
D-cover slot.
The release spring is attached onto the
D-cover with screws that are used for
attaching the C- and D-covers. No heat
staking is needed.
9.
Assemble the C-cover.
Step 1. Check the condition of the screw holes
.
If they are worn out, change the cover.
Step 2. Place the C-cover into a jig. Make sure
that the speaker with the speaker
gasket is in place.
Note: Make sure that the speaker springs stay intact. They may be damaged, if touched.
10. Note: the use of gloves or a vacuum picker
is required, in order to prevent
fingerprints from appearing on the
LCD. Make sure that the elastomer
connector and domes stay intact
during assembly. Use compressed air
or a vacuum before assembling
the D-cover, in order to prevent
dust from getting onto the engine
layout.
Place the LCD module onto the C-cover.

CCS Technical Documentation Assembly
RH-41
Issue 2 09/2003 Nokia Corporation Confidential Page 5
15.
11.
12.
13.
14.
Note: The use of gloves is mandatory in
order to prevent fingerprints from
appearing on the engine layout. Use
ionized air or a vacuum, before
assembling the D-cover, to remove
dust and other foreign particles
from the PWB assy.
Place the system connector on top of the
engine module.
Note: The use of gloves is mandatory in order to
prevent fingerprints from appearing on
the engine layout and system connector
pads (charging pads). Make sure that the
system connector springs stay intact. The
springs may be damaged, if touched.
Assemble the screws.
Step 1. Fasten the 6 screws. The assembly
order is shown in the disassembly
section. The torque is 20 - 21 Ncm
350/RPM.
16.
Assemble the keymat onto the front cover.
Step 1. Place the keypad onto the front
cover before the cover is assembled
to the basic transceiver.
Step 2. Press the keypad into its place.
Assemble the front cover onto the basic
transceiver.
Place the engine module on top of the
LCD module.
Step 2. Press the D-cover to snap the side locks.
C-cover.
Step 1. Place the assembled D-cover on top of the
Assemble the D-cover assembly.
Step 1. First push the basic transceiver to the
front cover’s IR window.
Step 2. Press the bottom part onto the front
part, so that it snaps onto the front
cover.

RH-41
Assembly CCS Technical Documentation
Page 6 Nokia Corporation Confidential Issue 2 09/2003
17.
18.
Assemble the battery.
Step 1. Push the battery connector interface.
Step 2. Press the battery down so that the
latch fits the battery in place.
Assemble the back cover.
Step 1. Place the back cover on the
phone.
Step 2. Slide the cover so that the spring snaps the
cover into place.