RFL Electronics 9780 - Introduction; Section 19. Power Supply Module & Power Supply I;Omodule

RFL 9780 RFL Electronics Inc.
April 8, 2003 19-1 (973) 334-3100
SECTION 19. POWER SUPPLY MODULE & POWER SUPPLY I/O
MODULE
CR22
C55
C52
C51
C53
R62
R63
R64
R53
C45
R59
L3
C49
C54
C18
R28
U6
C44
C48
Q4
CR9
CR10
Q2
TP2
TP1
TP4
P1
TP3
C37
C36
C28
R58
TP5
C26
C24
C16
CR19
CR11
C12 C10
C22
C21 C43
C15
C47
C13
C29
C31
C46
C42
C40
C38
C33
C32
C35
C27
C25
C9
CR18
CR13
CR5
R61
CR12
R60
CR16
CR17
CR4 CR3
CR8
R6
R19
R27
R9
R34
R57 R56
C50
R52
R4
R42
R41 R40
U9
R37 R36 R35
R32
R47
R22
R31
R3R17
R20
R18
C41
R43
R39
R38
R33
R25
R21
R11 R46 R16 R13
R14
R12
R10 R15
R2
C6
C56
R49
R44
C23
Q5
L2
U1
U3
U8
U2
T1
R48
U7
R54
CR21
R26
Q3
Q1
Q8
C20
R24
R29
CR2
C34
C30
C5
C19
DS1
R30
U5
Q6
U4
C39
C17
C14
C11
CR7
C8
C7
Q9
CR15
CR20
CR6
Q7
R51
R5
R7
R8
CR14
TH1
CR1
R45
R65
R50
R55
ECB NO 106538 REV B 1998 RFL ELECTRONICS, BOONTON, NJ U.S.A.9780/85 PS 48/125 DC
13
7
6
1
61 712
+ +
+
+
+
1
+
+
+
+
+
+
32
1
AC
HER105HER105
1K 1K
UC2838
1W
(2)
a. Typical RFL 9780 Power supply module b. Typical RFL 9780 Power supply I/O module
Figure 19-1. RFL 9780 Power Supply Module
19.1 INTRODUCTION
A 50-Watt Power Supply Module (Figure 19-1a) is used to supply regulated dc power to the RFL 9780
System. The power supply provides four regulated dc outputs: +5, +15, -15 and +12 volts. All outputs have
overvoltage protection and short circuit protection. In addition, the entire power supply will shut down if the
ambient temperature exceeds a pre-established limit. A Power Supply I/O Module (Figure 19-1b) is used to
provide input power connections to the RFL 9780 chassis, and contains the power supply ON/OFF switch
and an input fuse. Refer to paragraph 19.2 for more information on the RFL 9780 power supply module.
Refer to paragraph 19.3 for more information on the RFL 9780 power supply I/O module.
F1
4A
1
0
F1
4A
ON
P.S.I/O
OFF
SB+
SB-
SW SB+
SW SB-