Thales 421, Operation And Maintenance, Page: 40 / 256

LLZ 421
Installation Operation and Maintenance
ILS 420
2−12
Ed. 01.04 SOAC
FPE
shelter ground
PE
N
L1
NAV−
Mains In
+BAT
BFUSE
BFUSE
BAT2*
BAT1*
BAT0*
−BAT
2mOhm
PE
BP−PS
L2
L3
C bar
RL +
RL −
DME +
DME −
2mOhm
bottom plate
PE
N
L1
+54 V
AC/DC modules
+
−
48 V
50 A
DC
Shelter
F20
Fuse box
INAV+
INAV−
IBAT−
IBAT+
UBAT−/−BAT
UBAT1+ (half)
UBAT−
UBAT2+/+BAT
OPTO_GND
BFUSE
Current measurement battery
12
1
3
7
8
10
5
14
16
18
20
9
22
13
24
19
17
Speedy,
load
L2
L3
I
bat
I
BCPS−OFF
(24)
BCPS1
BCPS2
GND
GND
mains
filter
S1
S2
Speedy,
DC−MV
F5
INAV−
INAV+
IBAT+
IBAT−
CMUX1
CMUX0
current measurmt.
IMUX−
IMUX+
5 V
Current measurement NAV
−BAT
F4
LVS
relay
TX on/off control
10pin, male
DC converter
DC−MV
2 1
TX1/MON1 TX2/MON2 INTFC/ECU
BCPS2 (AC Fail 2) BCPS1 (AC Fail 1)
J6
BP−Digital
BFUSE+
2 3 4 5 6 7 8 9 10 1
n.c.
Shutdown A1 (24VDC)
BCPSOFF GND GND Shutdown A2 (24VDC)
BFUSE−
Low Voltage on/off
Shutdown A1
Shutdown A2
Cabinet
1
2
3
4
5
6
7
8
9
10
+54V +54V
(from LCP)
J6
to LG−A
Battery room
NAV+
)*
)*
)*
* (D)VOR only
)**
)**
** ILS 420 only GND measmt
CMUX0
CMUX1
IMUX+
IMUX− 2
4
11
6
+
−
+ −
A6
B1
A4
A2
B4
B6
B10
B8
X1
Current measurement mux
MUX control
GND Equipm.
0 V
Shunt 1
Shunt 2
NAV−
NAV−
X10
X8
−
X9
26pin, male
5 VDC to LCP, Modem
LCP.; Modem
REL1
X4
X2
X3
on/off
on/off
T6.3H
T1.0
0.2 A
F21
low voltage
measurement
X1/B5
ACC 1 in
ACC 2 in
Fig. 2−14 Cabling, BCPS connection plate, C−bar and bottom plate