V.120c
© 2001 Motorola, Inc.
27
Troubleshooting
C164
Analog IF filter output, 3-5 dB loss from input level
CPL680
800 Main LO line coupler input, -15dBm min.
CPL681
1900 Main LO line coupler input, -15dBm min.
R670
Vsteer, Main LO tuning voltage, .9 to 2.3 Volts
Q636-1,4
VSF, filtered VCO supply voltage
Q636-3
VSF_1900, PCS VCO supply voltage
Q636-
VSF_800, CELL VCO supply voltage
Summary of Contents for Tarpon V. 120C
Page 12: ...V 120c 2001 Motorola Inc 12 Theory of Operation RF SIDE BLOCK DIAGRAM ...
Page 23: ...V 120c 2001 Motorola Inc 23 Troubleshooting FL11 1 FL11 3 FL11 6 L15 ...
Page 24: ...V 120c 2001 Motorola Inc 24 Troubleshooting C601 C638 DNP CPL400 3 CPL910 3 L616 DNP ...
Page 28: ...V 120c 2001 Motorola Inc 28 Troubleshooting ...
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