Nautel GV30N, Troubleshooting Manual

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GV30N TROUBLESHOOTING MANUAL RESPONDING TO ALARMS
VERSION 0.1 2014-11-01 PAGE 4.1.29
Accessing the Inside of the Transmitter
The front of the GV30N has a hinged door that provides access to the remote interface PWB (A16), RF
power modules 1 through 12 (A8 through A11, A20 through A23, A36 through A39), LVPS modules 1A
(U2), 1B (U3), 2A (U12, if purchased) and 2B (U13, if purchased), power supply modules (U4 through
U11, U14 through U29), controller module (A4) and exciters A (A5) and B (A6, if purchased).
The rear of the GV30N has removeable access panels (see Figure 4.1.4 ). Removing the upper panel
provides access to the ac input terminal block (TB1), the rear panel of the controller (A4), exciters A
(A5) and B (A6, if purchased), reject load (A13), and various other PWBs and assemblies. Removing the
lower panel provides access to the power supply interface PWBs (A1, A17 and A33).
Figure 4.1.4: Rear Access Panels
1/4-TURN LATCHES
16 in larger panel
14 in smaller panel
LOWER, REAR PANELS
11 M5 screws in larger panel
8 M5 screws in smaller panel
LOCK OUT AC POWER
BEFORE REMOVING!