Sharp FU-28H-S Service Manual page 27

7. HOW TO REMOVE THE CONTROL PWB
(1) Remove the Power Supply PWB harness from the
Control PWB.
(2) Remove the 2 screws (4 x 12 mm truss head
screws) holding the Control PWB Box component.
(3) Remove the 2 screws (3 x 12 mm binding head
screws) holding the bottom and top of the Control
PWB Box.
Control Control PWB Control PWB Box Bottom PWB Box Bottom Box Bottom
symbol: 4 x 12 mm screws symbol: 4 x 12 mm screws symbol: 4 x 12 mm screws
(4) Remove the Control PWB Box from the top while
pushing the Control PWB Box Bottom hooks (4 loca-
tions) in the direction shown by the arrow.
Control PWB Box Top Control PWB Control PWB Box Top Box Top
Control Control PWB Control PWB Box Bottom hooks PWB Box Bottom hooks Box Bottom hooks
Power Supply PWB harness Power Supply PWB harness Power upply PWB harness
symbol: 4 x 12 mm screws symbol: 4 x 12 mm screws symbol: 4 x 1 mm screws
Push
Control PWB Box Bottom Control PWB Control PWB Box Bottom Box Bottom
(5) Remove the Control PWB.
Control PWB Box Top Control PWB Box Top Control PWB Box Top
Control Control PWB Control PWB Box Bottom Control PWB PWB Box Bottom
8. HOW TO REMOVE THE POWER SUPPLY PWB
(1) Remove the 2 screws (4 x 12 mm truss head
screws) holding the Power Supply Box component.
symbol: 4 x 12 mm screws symbol: 4 x 12 mm screws symbol: 4 x 12 mm screws
(2) Remove the Power Supply PWB Box Top and dis-
connect the Power Cord, Motor harness, and Cluster
harness from the Power Supply PWB.
Power Supply PWB Power Supply Power Supply PWB Box Bottom PWB Box Bottom Box Bottom
Power Cord Power Cord Power Cord
ASSEMBLY PRECAUTIONS
* Replace the wires to their original positions.
* When wiring, make sure none of the wires get pinched.
(3) Remove the 2 Power Supply PWB screws (3 x 10
mm binding head screws).
symbol: symbol: 3 x 1 symbol: 3 x 10 mm screws x 10 mm screws mm screws
27
Box Bottom Control PWB
Control PWB
Power supply PWB Box Top Power supply PWB Box Top Power supply PWB Box Top
Motor harness Motor harness Motor harness
Cluster harness Cluster harness Cluster harness
FU-28H-S