REPLACING THE CONTROL PCB
1. Remove enough shelves to allow you proper workspace
2. Unscrew the four screws (6) that secure the PCB box (4) to the top of cabinet
3. Pull down to remove the PCB box carefully.
4. Disconnect the cable from the control PCB (2)
5. Dismantle the PCB supporter (3) from the PCB box
6. Carefully remove the control PCB from the PCB supporter.
7. Replace the control PCB.
8. Installation is the reverse of removal
REPLACING THE POWER PCB
1. Remove the five screws (1) that attach the rear grille to the cabinet.
2. Remove the screws 3 and 6.
3. Pull out the electrical box base (4) & electrical box cover (7) and Power PCB (5).
4. Disconnect the cables from the Power PCB and then you can replace the Power PCB.
5. Installation is reverse of removal
Summary of Contents for VBR440
Page 13: ...Wiring Diagram and Schematic...
