MAINTENANCE MANUAL
IFR 4000
2-2-1
Page 4
Aug 1/04
056M-03
FPGA
I/F
LCD
USB
-5 V
POWER SUPPLY
CHARGE STATUS
+3.3 V
+5 V
+16 V
SER PROM
PROCESSOR BUS
I/F
BUS
RS-232 SYSTEM PORT
USB PERIPHERIAL PORT
USB HOST PORT
CNTRST
BKLT
KEYPAD
I/F
LCD
LCD BACKLIGHT
PIEZO
KEYPAD
CHARGE / POWER LEDS
+3.3 V
+3.3 V
MKR MOD
10 MHz REF
MAIN MOD
RF CONTROL AND STATUS
LOC MOD
Multi-Function PCB Assy Block Diagram
Figure
2
Summary of Contents for IFR 4000
Page 1: ...NAV COMM Test Set Maintenance Manual 1002 5600 4P0 IFR 4000...
Page 3: ...MAINTENANCE MANUAL IFR 4000 FOR QUALIFIED SERVICE PERSONNEL ONLY...
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Page 166: ...MAINTENANCE MANUAL IFR 4000 2 3 1 Page 6 Aug 1 04 STEP PROCEDURE 4 Remove the Fuse...
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