Haier EA-1770EG Service Manual page 15

Attention: Be sure to discharge the high-voltage capacitor to do dismantling
immediately after working.
H: Dismantling of the duct and lamp
(1) Cut off the connecting wire of the lamp (2) Loosen the screw fixing the duct and the
magnetron
(3) Open the hook at the middle of the duct connecting to the magnetron installation board
with a screwdriver
(4) Move outward slowly to take out the duct
(5) Nip the barb fixing the lamp with nipper pliers to take out the lamp upward
I: Dismantling the magnetron
(1) Cut off the connecting wire between the high-voltage transformer and the capacitor
(2) Loosen the four screws fixing the magnetron
(3) Move outward slowly to take out the magnetron
Attention: Never damage the ends of the magnetron
J: Dismantling of the rotary tray motor
(1) Take out all of the accessories in the cavity
(2) Put the oven upside down
(3) Cut off the die part of the bottom plate with angle pliers and take it off
(4) Cut off the connecting wire of the tray motor
(5) Loosen the two screws fixing the tray motor with a cross screwdriver. Take off the tray
motor
(6) In installing, first fix the motor. Connect the wire. Then invert the die block of the bottom
plate. Put one end into the interface on the bottom plate, and fix the other end with M4
screw.
Attention: When dismantling the leading wire, remember to nip the connecting
terminal to pull out. Do not nip the wire.
K. Dismantling of the timer
(1) Pull off the two knobs on the control
panel with nipper pliers.
(2) Loosen the four screws fixing the timer
with a cross screwdriver.
Maintenance Service and Trouble Shooting
Dismantling of the control panel
(1) Loosen the two screws fixing
The computer board with cross
screwdriver.
(2) Pull off the interface of the film
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