PART III
IMPORTANT PARTS - MAIN CIRCUIT BOARD
E-20
Disassemble main circuit board
Install main circuit board
When install the circuit board, do the reversion operation. Make sure all the connection are correctly connected.
1. Remove 4 screws on the circuit
board.
1. Unplug the transformer wir
plug from the circuit board.
2. Remove 2 screws on the main
circuit board transformer.
2. Remove the main circuit board.
The ground portion of main
circuit board.
Replace the main circuit board transformer
Helpful hints
The transformer is rarely broken down. When you check the
transformer, just check the red wire connection voltage and
blue wire connection voltage.
2. If the reading is close to 110V,
the transformer is OK.
1. If the reading is close to 12V,
the transformer is OK.
ENGLISH
