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DRX-2
I SCHEMATIC DIAGRAM
DIGITAL (Digital Board Chrysalis 2.1): 4.8V Power
1
A
B
C
1500
B12B-PH-SM3
1505
F1502
F1501
1
1000mA F
2
3
4
F1506
5
F1505
6
7
8
F1509
9
10
D
11
12
not used
4500
1507
1000mA
F1512
E
1
172
2
3
1506
F500
+12V
1000mA
F
I502
100n
5502
2514
12.3V
7501
NCP1570D
5
GATE-H
6
1V
GATE-L
7
I503
VFB
3
I500
PGDELAY
4
COMP
1.5V
2
PWRGD
3.8V
I501
I504
I508
I509
I510
+3V3
2519
100n
+12V
2521
100n
2524
100n
I511
I512
+5V
F
ION
2525
1501
100n
-5V
2526
100n
2
3
4
5
I505
5501
F501
7500-1
STS5DNF20V
7 8
2
1
I506
I507
5503
7500-2
10u
STS5DNF20V 5 6
SLF 10145
4
3
3504
1%
1K3
IC7501 pin 6
IC7501 pin 5
A: DC, 2 V/Div, 1us/Div
A: DC, 2 V/Div, 1us/Div
1502
1503
1504
4
5
6
1506 A3
1507 D2
A
2512 A5
2514 A3
2515 B2
2516 B5
2518 C3
2519 C2
2521 D2
+1V8
2524 D2
2525 E2
2526 E2
2527 B3
3503 C4
B
3504 C4
4500 D2
5501 A4
5502 A3
5503 B5
7500-1 A4
7500-2 B4
7501 A2
F1501 C1
F1502 C1
F1505 D1
F1506 D1
C
F1509 D1
F1510 E1
F1512 E1
F500 A4
F501 A4
F502 D1
I500 B2
I501 B3
I502 A3
I503 B3
I504 C4
D
I505 A4
I506 B5
I507 B5
I508 C2
I509 C2
I510 C2
I511 D2
I512 D2
E
6
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