Crown FM500 User Manual page 91

Mother Board
Metering
Board
HD504
J 403 HD561
Ribbon Ribbon
J 602 J 601
Display Board
Reflectometer Feed-Thru
HD1202
RF Out RF In
RF Output
Filter & Reflectometer Board
Power Transformer
RED / WHT BLU / WHT
120 VAC
57 VAC
RED
Bridge
+
Rectifier
WHT / BLK
20 VAC
WHT
57 VAC
100 VAC
BLK BLU
BRN / WHT
12.5 VAC
BRN
A
Gnd B
C
D
AC Input, Fuse, & Filter
CHASSIS WIRING
6–26
Voltage Regulator
Board
HD505
HD701
HD 502
HD503
6 5 4
5 4 2 1 3 2 1
6
Power Amp Interconnect
Board
Driver input
BNC
P1
PA 1 DC Input
Driver DC Input
Inner Fan
Temp Sensor
Outer Fans
PA 2 DC Input
PA RF Output
BNC
P2
Brn
Red Blk Red/Wht
D Brn/Wht
*
*
Blk/Wht 120V 100V
P5 P4
A
240V 220V
Gnd
*
P7 P6
AC Distribution Board *
Jumpered for 120VAC
P1
Unreg
6
5
4
Ribbon Cable
3
2
1
3 2 1
HD702
P808
J1
Back view
1 37
2 38
4 40
41
5
6 42
8 44
9 45
P3 P3
46
Header Socket
47
12 10 10
13 DC Bus
9 9
14
15 8 8
52
7 7
17 53
6 6
18 54
19 55 5 5
20 56
4 4
57
3
3
22
23 2 2
DC Bus
24
1 1
25
62
63 P806
28 64
29 65
31 67
P808
32 68
33 69
35 71
36 72
Wht
S1A S1B
Fan
P1
Red
Blk
FM500 CHASSIS WIRING
FM500 Chassis Wiring
C.Donner 2-23-98
CROWN BROADCAST
1 2 3 4 5 6
P806 P804
P805
Left Power
Regulator Board
1 2 3 4 5 6
P804
P805
Right Power
Regulator Board
On
Carrier
Switch
Off
On
AC
Power
Switch
Off
FM500 User's Manual