Rf Unit Voltages - Codan NGT 2010 RF Technical & Service Manual

NGT—Checks and adjustments

RF unit voltages

The supply voltages for the RF unit are shown in
Drawing
Table 37: Supply voltages for the Audio Interface PCB in the RF unit (2010
only)
Supply
A
A (protected)
+10 V
+5 V
+5 VQ
+6 VSBY
Drawing
Table 38: Supply voltages for the Audio & Interconnect PCB in the RF unit
(2011 only)
Supply
A
A (protected)
+10 V
+5 V
+2.5 VQ
+5 VQ
+5 VSBY
148
08-05266
Description
Unregulated battery supply
2 A current-limited battery
+10 V regulated supply
+5 V regulated supply
+5 V quiet for opamp bias
+6.2 V standby for CIB
08-05988 (sheet 1)
Description
Unregulated battery supply
2 A current-limited battery
+10 V regulated supply
+5 V regulated supply
+2.5 V quiet for opamp bias
+5 V quiet for opamp bias
+5.4 V standby for handset
Table 37 to Table 45.
Source
via Filter and Control PCB
IC14
IC9
IC10
IC10 (filtered)
IC4, D9, D10
Source
via Filter and Control PCB
F1
via Filter and Control PCB
IC7
IC7 (filtered)
IC7 (filtered)
D3, D4
NGT Transceiver System Technical Service Manual