4.0 MECHANICAL INSTRUCTION
Disassembly Procedure on PET721D
Remove eight screws on back cabinet
to separate top cabinet and back
cabinet.
Generally open the front cabinet.
Disassemble the connecter on DVD
top cabinet.
Remove two screws on the battery and
battery board.
Remove three screws on the Main
board.
Disassemble the black cloth on the
DVD LOADER.
screws 8pcs
screws 2pcs
screws 3pcs