Motorola A3100 Troubleshooting Manual page 35

• Check the metal contact of antenna
• Try to make call
• Setup BS/MS parameter
• Set HP8960, operating mode: test mode, test function: BCH+TCH, cell power:-60dBm
• Set MS GSM900/850 ch62/189 PL=5; DCS/PCS ch699/ch661 PL=0
• Check transmitter path
– Check the I/Q path
• Use oscilloscope probe to touch red point and check waveform
Service Engineeing & Optimization
Level 3 , Rev.1.0
Can't call out (1)
GSM
Antenna pad