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

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

LBI-38741

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."

LBI-38741

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.

LBI-38741

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.

LBI-38741

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

LBI-38741

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.

LBI-38741

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%.

LBI-38741

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%.

LBI-38741

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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