GE OPTIMA MR360 Service Training page 24

Important facts about the LPCA of SV:
• There is no head T/R switch. T/R switch is moved to the Quick disconnect of the Split head
coil and Quad knee coil.
• Port A is a coil interface for coils with and without preamps
• Each receive line has single input for coils with or without preamps. Preamp or non-
preamp path is controlled by shorting pins on Port A in the coil connector
• Head Tx RF is routed through the interface module, this is done to "tap-off" the head T/R
bias
• Head T/R bias is used for preamp protect switching in the interface module
• Multi Coil bias is added to the RF coax lines in the port connectors
• Bias is added to Port A in the Multicoil Interface Box
• RF input to preamp boards is routed though coax cable
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