Acer Aspire M1620 Service Manual page 67

17. Disconnect the LED cable ASSY from the MB Connector "F_PANEL".
18. Disconnect the 12V power cable "PD" from the MB Connector.
19. Disconnect the CPU fan power cable from the MB Connector "CPU_FAN".
20. Disconnect the 4 Pin power cable "PE" from the ODD.
21. Disconnect the ODD IDE cable from the ODD.
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