Simrad SP60 - REV D, Installation Manual

Page: 126 / 218

Simrad SP60
110
851-164574 / C
9.8 Starting up the Transceiver Unit
Observe this test procedure to power up the Transceiver Unit for
the first time.
ANALOG
POWER
SUPPLY
SWITCHED
POWER
SUPPLY
SERVICE
OFF
NORMAL
ON/OFF
RELAY
24V
STAND
BY
CAUTION
DO NOT PULL OUT THIS UNIT
BEFORE THE METER SHOWS
ZERO ( 0 ) VOLTAGE
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE
REPLACE ONLY WITH SAME
TYPE AND RATING OF FUSE.
+8V
AREF
-8V
+5VA
-5VA
+5V
+12V
-12V
+24V
GND
L204
F203
L203
S202
L202
L201
+24V
REF
F201
8A
F204
8A
F202
8A
F205
8A
SLOW
BLOW
SLOW
BLOW
HIGH
MIDDLE
LOW
f (SW)
MAINS INPUT
115/230V AC
S203
230V AC
S201
230V AC
P201
L207
F206
L206
L205
HV-POWER UNIT 290-112751 POWER SUPPLY 290-112750
100
50
0
150
Service
switch
S202
Fuses
F204
F205
Lamp
L205
Lamp
L201
Lamp
L202
Lamp
L203
Lamp
L204
(CD31
1
8C
/
G
IF)
Figure 37 The lamps,
fuses and service switch on
the power supplies
1 Remove the fuses F204 and F205 from the HV Power unit’s
front panel.
2 Set the service switch S202 on the power supply to Service
position to start up the Transceiver Unit.
3 Check that the fans start, and that the lamps L201 , L202 ,
L203 and L204 on the power supply are lit.
4 Check that only lamp L205 on the HV power unit is lit.
5 Check that the following small LEDs on the Transceiver
Interface Board (TIB) illuminate (refer to the indication on
the front of the power supply):
- +8 V, -8 V, +5VA, -5 AV, +5 V, +12 V, +24 V and +24 V
stand-by.
6 Switch off the Transceiver Unit by setting the service switch
S202 on the power supply to the Normal position.