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1
2
3
H
R1
4.7K
CARR SW
U3C
R2
10.0K
/CARRIER OFF
5
6
74HC14
R33
4.7K
VDD
G
R3
U3A
4.7K
/AUTO CARRIER
1
2
R4
10.0K
74HC14
C2
R7
F
C26
0.1
.001
120K
C3
-12V
R5
.001
D3
91K
1N6263
U1A
2
1
3
R6
TL074
5.1K
+12V
AUDIO or COMPOSITE
C27
COMP2
0.1
C1
.01
D4
U1D
1N6263
R10
13
75K
14
12
E
1%
TL074
C4
.001
PROGRAM DETECT
D
VDD
VDD
D9
R48
R25
OPEN
C7
100K
C8
10.0K
U3F
U3E
C
.001
220pF
13
12
11
10
R49
1.5K
R26
74HC14
74HC14
100K
+12V
METER UNREG
-12V
CARR SW
DRVR V+
B
HD1
/LOCK FAULT
D15
1N4004
COMP2
38KHZ
/CARRIER OFF
/AUTO CARRIER
FM 30/100/250 = C 8667-5
A
1
2
3
C_L_SHT2_A.DOT REV. A
6 - 18
4
5
6
D1
1N4148
U3B
D2
1N4148
3
4
74HC14
+12V
R9
R13
1.0K
100K
D6
R16
U1B
1N4148
R8
6
10.0K
7
51K
5
TL074
R15
R17
R14
2.2K
10.0K
220.0
DL1
DL2
GREEN
RED
R11
100K
C5
R12
1.0
1.0M
POLY
U4
LM3578
1
8
-IN
V+
C12
2
7
1.0
+IN
CS
3
6
OSC
C
C9
C11
.01
4
5
2200Pf
GND
E
C10
POLY
56Pf
R30
NPO
R28
2.2K
C13
68K
100Pf
R29
4.12K
1%
R32
SEE NOTE 3
R27
620.0
FM 30/100/250 = D 6977-9
3
2
Vout
Vin
+UNREG
R50
HD4
100
SYNC
VR1
OPEN
6
INPUT FAULT
-12V
5
DRVR V+
4
PAV
3
PAI
2
D14
ALC
L4
1
1N5822
960 uH
HEADER 6
+12V
-12V
(TO POWER REG. BOARD)
R51
-12V
C22
(JUMPER)
C21
+
+
220/63V
3300/16V
1800/35V
HD3
FAN
+12V
+12V
FM 30/100/250 = C 7746-8
4
5
6
REV.
DWG. NO.
Q43229-6
AC
8
9
D7
1N4148
VDD
U2
R22
74HC4060
100K
7
Q4
12
5
RST
Q5
4
Q6
6
TIME-OUT SELECT
D8
Q7
14
U3D
Q8
JP1
1N4148
13
Q9
15
.5
9
Q10
2
1
1
2
Q12
4
3
2
4
Q13
6
5
74HC14
3
8
Q14
8
7
INPUT FAULT
10
9
9
COUT
11
HEADER 5X2
CIN
10
COUT
R18
VDD
100K
R21
C6
R19
24.9K
1.0
10.0K
POLY
1%
U1C
9
8
10
TL074
R20
10.0K
R24
100.0
+UNREG
P1
R34
10.0K
Q5
MPSA06
D10
DZ2
+
C23
1N4148
1N966B
330/100V
U5
IR2125
C14
1
8
R35
.1
VCC
VB
Q1
51.0
IRF540
2
7
IN
OUT
R37
3
6
ERR
CS
2.2K
R38
R38A
4
5
C15
R36
ESS
VS
1.0
1.0
L1
0.1
2.0K
0.5W
0.5W
380UH
D11
MUR120
C16
JP2
OPEN
1
2
OPEN
C24
10/35V
U6
D13
L3
2
1
1N5822
OUT
Vin
960UH
5
L2
ON/OFF
4
960UH
FEEDBACK
3
R45
GND
DZ4
C20
LM2576-ADJ
ICTE-12
10.K
+
R44
1%
1.1K
1%
UNCONTROLLED
THESE DRAWINGS AND SPECIFICATIONS ARE THE
PROPERTY OF INTERNATIONAL RADIO CORP.
UNLESS OTHERWISE MARKED IN RED INK BY CM AS A
AND SHALL NOT BE REPRODUCED, COPIED OR USED AS
CONTROLLED COPY, COPIES OF THESE DOCUMENTS
THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR
INCLUDING ASSOCIATED ELECTRONIC REPRODUCTIONS
DEVICES WITHOUT PERMISSION.
ARE FOR REFERENCE ONLY.
7
8
9
10
11
12
H
+12V
G
R23
1.0K
+6V
VDD
VCC
DZ1
1N4735
6.2V
VSS
F
8
E
NOTES:
UNLESS OTHERWISE SPECIFIED:
1. ALL RESISTORS ARE IN OHMS, 1/4W, 5% TOL.
2. ALL CAPACITORS ARE IN MICROFARADS.
3. FOR FM30, FM100, FM250 and FM500 UNITS,
R32 VALUE = 82.5K OHM, 1/4W, 1% TOLERANCE
FOR HARRIS UNITS, R32 VALUE = 100K OHM, 1/4W, 1% TOLERANCE
D
Q4
MJE15028
DRVR V+
Q3
+
R40
R43
C25
MPSA56
+
10.0
220.0
C18
220/63V
220/63V
C28
1
C
+
R41
C19
1.0K
1000/35V
Q2
MPSA06
R42
1.0K
B
MANUFACTURED FOR HARRIS CORPORATION
TITLE:
SCH, FM/30/100/250 VOLTAGE REGULATOR
A
REV
SIZE
DWG . NO .
Q43229-6
AC
C
001,002,003
SCALE :
NONE
PROJ NO.
SHEET
11
OF
11
10
11
12
FM30/FM100/FM250 User's Manual
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