Orban Optimod-FM 8300 Operating Manual page 263

OPTIMOD-FM DIGITAL
Gnd Lift
SW2
N/C
C21
R1
1 2 1 2
0.1 F, 50v
20%
AGND
Chassis Ground Pigtail, 3" long
(Lug w/Green AWG 18)
A1
Lug
Toroid Assy
(off board)
Line Filter Assembly
WHITE
4
BLUE
C_Gnd
BROWN
BLACK
4 2 3 1
115v/230v
V1
V2
SW1
Ref: PCB
FAB 32181.000.02
Heatsink Bar, 8300
50286.000.01
PlusRAW
Power Transformer
YELLOW/WHITE
YELLOW
ORANGE/WHITE
ORANGE
RED/WHITE
MinusRAW
RED
1 4 2 5 3 6
J1 J2
AGND
CR22
1
2
3
Dual Schotkey CR23
1
2
3
Dual Schotkey
CR21
1
2
3
Dual Schotkey
DirtyGnd
*
(Isolated return path for LCD backlight current.)
Plus15V
CR11 CR15
1 2 1
Mounting
1N4004 1N4004
Kit
U3 +5v Reg
+15v Reg
15025.000.01 U1
MC78M05CT
MC78M15CT
1 3 1
AGND AGND
CR12
CR16
2 1 2 1
1N4004 1N4004
-15v Reg
-5v Reg
U2 U4
MC79M15CT MC79M05CT
2 3 2
AGND AGND
Minus15V
Mounting
Kit
15025.000.01
PlusRAW
DGND
Plus15V
+5VD
Minus5VA
+RAW DGND
U5
/ON
4
FDBK
1 LM2576T
VIN
2
OUT
GND
DGND
DGND
2
Mounting
Kit
Plus15V
15025.000.01
Plus5VA
3
AGND
Minus5VA
3
Minus15V
Mounting
Kit
15025.000.01
AGND
J7
MinusRAW
1 2
C_Gnd
3 4
Minus15V
5 6
Plus5VA
7 8
9 10
+RAW
Testing Access
Mounting
Kit
15025.000.01
+5VD
L1 L2
1 2 1 2
100uH, 3A 7.7uH, 4A
DGND
DirtyGnd
6-45
TECHNICAL DATA
(Monitor)
Plus15V
(Monitor)
Minus15V
J5
(Monitor)
Minus5VA
24
(Monitor) 23
Plus5VA
22
21
20
AGND
19
18
17
16
15
14
DGND
13
To: Base Board
12
DirtyGnd
11
10
9
8
+RAW
7
6
5
4
3
2
+5VD
1
J4
20
19
18
17
16
15
14
+5VD 13
12
DGND
11
To: I/O Board
10
AGND
9
8
Plus15V
7
6
Minus15V
5
4
Minus5VA
3
2
Plus5VA
1
J3
+RAW
16
15
14
13
DGND
12
11
10
9
To: DSP Board
8
7
6
5
4
3
2
+5VD
1
+RAW
1
J6
2
(optional fan)
DGND
3
POWER SUPPLY