Ericsson M-RK I Montageanleitung
M-RK I
PERSONAL RADIO
DISASSEMBLY AND ASSEMBLY PROCEDURE
1. Please read this booklet carefully before carrying out procedures.
2. After reading, keep it somewhere convenient for reference.
3. Always remove BATTERY PACK before procedure, as it may cause a power short.
(See page 2 "1. BATTERY PACK REMOVAL".)
4 . Do not follow any procedures other than what is shown in this booklet as it may cause the main unit
to malfunction.
••CAUTION - BEFORE PROCEEDING -
ericssonz
LBI-38741C
Copyright © December 1992, Ericsson GE Mobile Communications Inc.
1. M-RK I DISASSEMBLY
1. BATTERY PACK REMOVAL
2. REAR CASE REMOVAL
1. Make sure that the VOLUME SWITCH
is turned off.
2. Release the BATTERY LATCH by push-
ing it up in the direction of Arrow 1.
3. Remove the BATTERY PACK by sliding
it in the direction of Arrow 2.
1. Loosen the four captive screws (TORX
BIND, M2.6X6) on the REAR CASE
with the TORX screwdriver (T-8) and
remove the REAR CASE.
•• The following tools are necessary for assembly and disassembly.
•• TORX screwdriver (T-8)
•• Screwdriver (M2)
•• Torque wrench with adapters
••Necessary Tools
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3. INTERNAL UNIT REMOVAL
1. Remove the REAR CASE, and loosen the
two flat screws (M3) on the bottom of the
main unit with the screwdriver.
2. Gently pull the loosened screws fully.
3. Loosen the two screws (PANHEAD, M2X6)
on both sides at the upper part with the
screwdriver and remove them.
Note: For REARCASE removal, see page 2
"2. REAR CASE REMOVAL."
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4. Separate the INTERNAL UNIT from the
FRONT CASE. First, disengage the bot-
tom part of INTERNAL UNIT as shown,
taking care not to damage the fitting be-
tween the TOP PANEL and the FRONT
CASE.
5. Remove the INTERNAL UNIT from the
FRONT CASE being careful not to dam-
age the FLEX P.C.B.
6.DisconnecttheCONNECTORAwithaflat
tipped tool.
Note: Pull the CONNECTOR A straight out
being careful not to damage the con-
nector pins.
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4. LED FLEX ASSY. REMOVAL
1. Loosen the screw (BTP, M2X3.5) on the
back of the LED FLEX ASSY. with the
screwdriver and remove it.
2. Loosen the two screws (PANHEAD,
M2X2) on both sides of the LED FLEX
ASSY. with the screwdriver and remove
them.
3. Insert a flat tipped tool into the frame of the
CONNECTOR B as shown, and lift up the
CONNECTOR B slightly to disengage the
fitting.
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4. Hold the CONNECTOR B with your fingers
and remove it taking care not to damage the
connector pins.
5. Insert a tool with thin end such as a minus
screwdriver at the fitting between the LED
FLEX ASSY. and the protruding part of the
CHASSIS. Then disengage the fitting by
twisting the tool, and remove the LED FLEX
ASSY. gently.
1. Loosen the two screws (PANHEAD, M2X2) at
the upper part of the RF SHIELD PLATE with
the screwdriver and remove them.
5. RF BOARD ASSY. AND CONTROL BOARD ASSY. REMOVAL
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2. Remove the three screws (PANHEAD, M2X4
with SW) at theindented parts of the RF SHIELD
PLATE, and remove the RF SHIELD PLATE.
3. Remove the two screws (BIND, M2.6X6) on the
side of the CASTING with the screwdriver and
remove the PA MODULE RETAINER.
4. Lift up the RF BOARD ASSY. taking care not to
damage the connector which connects it with the
CONTROL BOARD ASSY. Then remove the
RF BOARD ASSY. from the CASTING keeping
horizontal state.
Note: The connector is located on the bottom of the
CASTING as shown.
5. Turn the CASTING over and loosen the three
screws (PANHEAD with SW, M2X4) on the
CONTROL BOARD ASSY. with the screw-
driver, and remove the CONTROL BOARD
ASSY. from the CASTING.
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2. M-RK I ASSEMBLY
1. INTERNAL UNIT ASSEMBLY
1. Put the mounting holes on the RF BOARD
ASSY. and the bosses at the mounting
holes on the CASTING together, and fit
the RF BOARD ASSY. with the CAST-
ING.
2. Install the RF SHIELD PLATE on the
CASTING by fastening the three screws
(PANHEAD with SW, M2X4) at the con-
cave parts through theRF BOARD ASSY.
with the screwdriver. Torque to 1.5 kg/cm
±10%.
3. Secure the RF SHIELD PLATE by fasten-
ing the two screws (PANHEAD, M2X2)
on the upper part with the screwdriver.
Torque to 1.5 kg/cm ±10%.
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8
4. Insert the PAMODULE RETAINER into mount-
ing holes and secure it by fastening the two
screws (BIND, M2.6X6) on the side of the
CASTING with the screwdriver. Torque to 3.6
kg/cm ±10%.
5. Turn the CASTING over and fit the connectors
of the RF BOARD ASSY. and the CONTROL
BOARD ASSY.
Note: Be careful not to damage the connector pins.
6. Secure the CONTROL BOARD ASSY. in the
CASTING by fastening the three screws (PAN-
HEAD with the SW, M2X4) with the screw-
driver. Torque to 1.5 kg/cm ±10%.
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2. LED FLEX ASSY. INSTALLATION
1. Engage the upper part of the LED FLEX
ASSY. with the CASTING. First fit the
CHANNEL SWITCH side, then fit the
EMERGENCY BUTTON SIDE.
2. After engaging the upper part, fit thebosses
of the LOGIC SHIELD PLATE with the
holes on both sides of the CASTING.
3. Fasten the screw (BTP, M2X3.5) on the
upper part of the LED FLEX ASSY. with
the screwdriver. Torque to 1.5 kg/cm
±10%.
4. Secure the LED FLEX ASSY. by fastening
the two screws (PANHEAD, M2X2) on
both sides with the screwdriver. Torque to
1.5 kg/cm ±10%.
LBI-38741
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