3012—Fault finding
NGT Transceiver System Technical Service Manual 311
Figure 5: Exploded view of the 3012
Accessing the inside of the data modem
To remove the top cover of the data modem:
1 Unscrew the seven taptite screws retaining the top cover (see Figure 5).
1 Lift and remove the top cover and its rubber sealing gasket.
Accessing the DSP Modem PCB
To access the DSP Modem PCB:
1 Using a screwdriver, lever the shielding screen out of its position over the DSP
Modem PCB.
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