Bosch HMB406 Service Manual download pdf (Page 14)

D. PCB ASSEMBLY REMOVAL

1) Remove the control panel assembly from the

cavity. (Refer to control panel assembly removal

on previous page.)

2) Remove screws which hold the PCB SUB ASS’Y to

the control panel.

3) Disconnect the flat cable from the PCB SUB

ASS’Y and take off the PCB SUB ASS’Y

E. DOOR MAIN ASSEMBLY REMOVAL

1) Open the door.

2) Remove the choke cover very carefully with a flat-blade

screwdriver.

CAUTION : Be careful not to damage door seal plate

with the screwdriver.

3) Lift up and push the door.

NOTE:

1. After replacing the door, be sure to check that the

primary switch, monitor switch, and secondary switch

operate normally.

2. After replacing the door, check for microwave energy

leakage with a survey meter. Microwave energy must

be below the limit of 4 mW/cm. (with a 275 ml water

load)

3. When mounting the door assembly to the oven

assembly, be sure to adjust the door assembly parallel

to the chassis. Also adjust so the door has no play

between the inner door surface and oven frame

assembly. If the door assembly is not mounted

properly, microwaves may leak from the clearance

between the door and the oven.

5-4

Control Panel

Button Spring

Door Open Button

Key Membrance

PCB Sub Asm

Release

Lever

Spacer

Door seal plate

Remove door

Remove choke cover

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Bosch HMB406 Service Manual Page 14