
2.2 Processor Unit (RP100A/RP100AP)
In the Processor unit, there is a control PCB. Interface connectors are all on the PCB. The block
diagram is shown in Fig.-2.2.1.
Video
Memory
"256kx8"x8
Video Amplifier
/Signal
Processing
AA239AFP
Signal
Processing
KCD-64
Display
Control
FPGA
(
U57
)
Advanced
CRT
Controller
HD63484
CPU
HD64F2398
RAM
128kx8
Frash
ROM
1Mx8
2Mx8
Control Signal
Video
/Trigger
Azimuth
/Heading
SCANNER UNIT
D/A
converter
Power
Supply
2SK2379
2SK1421
uPC494G
TC4011BF
Ship's Power
+5V
+24V
250V(H.T.)
-12V
+12V
+40V
Operation
unit
Panel
pcb
E40-901C
Video
Memory
"256kx8"x6
D/A
Converter
FMS3818
LVDS
Converter
DS90C387A
VIdeo
Buffer
Opa692x3
Memory
&
Panel
Control
FPGA
(
U37
)
Display
unit
JH 17T01 MMD,
JH 19T01 MMD,
etc.
Fig.-2.2.1
Block
Diagram
2.2.1 POWER PCB (E47-600A)
The power supply circuit consists of:
a.
Noise filter, C15, C16, C19, C21, L6, L14,
b.
Power switch control, U2, CR24, CR26, Q2, Q3, Q5,Q33.
c.
Power supply for power switch circuit, Q1, CR4.
d.
Regulator, U1, U3, Q7 to Q13, Q15 to Q17 and L7 to L9, CR8, CR9,CR23.
e.
Main inverter, U4, Q20 to Q25.
f.
Over current protector, Q18, Q19.
g.
Over input voltage protector, CR1, CR2, CR3.
The power supply is designed to regulate the +5 V output voltage controlled by "e. regulator" circuit.
The feedback signal from +5 V line is detected through U1. The error amplifier and switching duty
control performed by U3 and CR5. The controlled power from regulator circuit is switched by U4,
Q24, and Q27 to drive the main transformer, T1.
When ship's source voltage is too high, "h. over input voltage protector" circuit will shut down the
power supply.
When over loaded, "g. over current protector" detects the current and will shut down the power
supply.
The output voltages are:
+5V for logic circuit,
+12V for scanner and LCD Logic, etc.,
-12V for analog circuit
2 - 10
93842105-00
Содержание Simrad RA83
Страница 10: ...E40 901C PANEL PCB 93842105 00 1 3 ...
Страница 41: ......
Страница 42: ......
Страница 43: ......
Страница 44: ......
Страница 45: ......
Страница 46: ......
Страница 47: ......
Страница 48: ......
Страница 49: ......
Страница 50: ......
Страница 51: ......
Страница 52: ......
Страница 53: ......
Страница 54: ......
Страница 55: ......
Страница 56: ......
Страница 57: ......
Страница 58: ......
Страница 59: ......
Страница 60: ......
Страница 61: ......
Страница 62: ......
Страница 63: ......
Страница 64: ......
Страница 65: ......
Страница 66: ......
Страница 67: ......
Страница 68: ......
Страница 69: ......
Страница 70: ......
Страница 71: ......
Страница 148: ...PARTS MOUNT LAYOUT parts side MODULATOR PCB RB717A 718A E41 100A 101A 93842105 00 5 1 ...
Страница 149: ...PARTS MOUNT LAYOUT parts side 25 KW MODULATOR PCB RB719A E48 100A 1 2 5 2 93842105 00 ...
Страница 150: ...PARTS MOUNT LAYOUT foil side 25 KW MODULATOR PCB RB719A E48 100A 2 2 93842105 00 5 3 ...
Страница 151: ...PARTS MOUNT LAYOUT parts side foil side IF AMP PCB E41 200A 5 4 93842105 00 ...
Страница 152: ...PARTS MOUNT LAYOUT POWER PCB E47 600A MAIN LOGIC PCB E47 700B 1 2 parts side 93842105 00 5 5 ...
Страница 153: ...PARTS MOUNT LAYOUT MAIN LOGIC PCB E47 700B 2 2 foil side PANEL PCB E40 901C 5 6 93842105 00 ...
Страница 154: ...PARTS MOUNT LAYOUT ATA PCB E35 700C AIS I F PCB E47 7200 93842105 00 5 7 ...
Страница 155: ...PARTS MOUNT LAYOUT GYRO INTERFACE PCB E47 510A 5 8 93842105 00 ...
Страница 167: ...1of1 6 10 93842105 00 ...
Страница 172: ...93842105 00 6 15 ...
Страница 193: ......
Страница 194: ......
Страница 195: ......
Страница 196: ......
Страница 197: ......
Страница 198: ......
Страница 199: ......
Страница 200: ......
Страница 201: ......
Страница 202: ......
Страница 203: ......
Страница 204: ......
Страница 205: ......
Страница 206: ......
Страница 207: ......
Страница 208: ......
Страница 209: ......
Страница 210: ......