Partner Tech International PT-6900, Service Manual, Page: 85 / 106

Replacing Parts 75
Mainboard
Before proceeding, remove the following FRUs:
• “Rear base cover” on page 59
• “Front base cover” on page 60
• “Customer display” on page 62
• “Optional Components - Removing/replacing the module” on page 91, if any
• “CF card PCB” on page 65
• “CF card bracket” on page 66
• “CPU and heatsink” on page 67
• “Inverter shield” on page 68
• “Inverter” on page 69
• “Memory” on page 70
• “Video PCB” on page 71
• “Touch control PCB” on page 74
1
Disconnect the 5 cables.
2
Remove the 5 screws (M3 x 4 mm, silver).
3
Remove the mainboard.