User`s manual
Eagle 2000 – 2kW FM Broadcasting Amplifier User’s manual – Page 53 of 66
Figure 8 – Logic board (1EL105) – Circuit diagram 1/2)
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SC2.7
SEL4053
SC2.6
MISURA-POT-RIF
SC2.2
SC2.5
POTENZA ING
BUS MICRO
V-ALIM
SC2.3
ALL-POT-RIFLESSA
SBIL
+5Vref
TEMP-DISS
SC2.4
EXT-INI
ALL-TEMP-DISS
COM-START-STOP
PROTEZ-SOVRAT-ALIM
POR-TERM-ALIM
V-BIAS
MISURA-POT-DIR
REF-POT-OUT
CONN. RF.
ALL-TEMP
MISURA-POT-RIF
REF0-5V
PDIRuP
ALL-TEMP
Vreg0-10
CONN. ALIM.
START-STOP
LETTURE-TENSIONE
ALL-SOVR
BUS TELEMETRIA
ConPout
ALL PRIF
EXT-INH1
PRIF
EXT-INH
CON-POUT
PDIR
ALL-PRIF
LlIVELLO =1 STOP
LlIVELLO =1 MASTER
LlIVELLO =0 SPEGNE
230Vac
MON
Cod. 1EL105
03
1EL105
A3
12Friday, July 25, 2008
48$5.(/
48$5.(/48$5.(/
48$5.(/(&7521,&66<67(0
(&7521,&66<67(0(&7521,&66<67(0
(&7521,&66<67(0
Design Verify
Scandelli Merlo
System
-
Title
Size Document Number Rev
Date: Sheet
of
SC2.75
SC2.45
SC2.55
SC2.25
SC2.35
SC2.65
VCC
+5Vref
+VS
+VS
+VS
+VS
+VS
+VS
+VS
+5Vref
+VS
+VS
+VS
+VS
+VS
+5Vref
+5Vref
+VS
+5Vref
+VS
+VS
-12VS
+VS
-12VS
-12VS
+VS
+VS
+VS
+VS
+VS
+VS
+5Vref
+48V
+VS
C 7 6 100nF
Q8
BC847
C31
100nF
C46
100nF
+
-
U3D
TLC274
12
13
14
4
11
R36
1K
C4 100nF
R1 220K
D30 DG1S6
C32
100pF
R100 6K19
J8
P 2.54
1
2
C50 100nF
C79
100nF
C45 100nF
R14 4K7
C33
100pF
R29
1K
R62 47K5
+
-
U5A
NE5532
3
2
1
84
D27
BAS21
R11
4K7
+
-
U5B
NE5532
5
6
7
84
C41
100nF
R54 10K
C26
100nF
R30
1K
C11 1nF
R48 1K
R24 1K
R9 470K
C29
100nF
D31 DG1S6
C6
1nF
C25
100nF
R103 100R
D22 DG1S6
R102 110K
R23 1K
C5 100nF
C 6 8 100nF
RV3
10K.
C1 100nF
C78 100nF
+
-
U4A
TLC272
3
2
1
8
4
R10 1K5
C48 100nF
C37
100pF
J1
CON26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
+
-
U2C
TLC274
10
9
8
4
11
C10 100nF
C18
100nF
D13
LM4050
R3 10K
R17
10K
C42 2.2uF/25V/1210
C30
100nF
C51 100nF
R37 220R
C65
18pF
R41 10K
C3 100nF
C23 100nF
R61 22K
R44 22K
R12
10K
RV1
10K.
C2 100nF
+
-
U3C
TLC274
10
9
8
4
11
+
-
U2A
TLC274
3
2
1
4
11
R53 3K3
R38 3K3
+
-
U2B
TLC274
5
6
7
4
11
R34
100K
R6 10K
Q9
BCV27
C16 100nF
R7 10K
C13 100nF
R105
680R
D32 DG1S6
Q1
BC847
R42
12K4
VBIAS
R104 100R
C69
100nF
C80 100nF
J7
CON2
1
2
D23 DG1S6
R20 47K5
C22 100nF
R63 1K
R101 4K7
D3
BAS21
C19 100nF
+
C66
10uF/35V
D29 DG1S6
C40 2.7nF
R26 1K
R55 1K5
C34 2.2nF
+
C64
10uF/35V
R46
1K5
R43 3K3
RL2
M12 E A 001
4
3
5
2
1
C47 100nF
C38
100pF
U12
ICL7662/TO
1
2
3
4
5
6
7
8
TEST
CAP+
GND
CAP-
VOUT
LV
OSC
V+
R15 4K7
C35
100nF
R22
100K
R39 1K
C15 100nF
C9
100nF
R33
1K
C36
100nF
R16 4K7
C28
1nF
R50
4K7
+
-
U4B
TLC272
5
6
7
8
4
D28
BAS21
+
-
U3A
TLC274
3
2
1
4
11
EMI1
DSS6
1 3
2
R32 1K
R59 4K3
C21 100nF
C 8 3 100nF
C27
100nF
R45
100K
D24 DG1S6
Q10
BCV27
R31
100K
R49 1K
R25
1K
C85 100nF
R28 100K
C 8 2 100nF
J3
CON10
1
2
3
4
5
6
7
8
9
10
D25 DG1S6
R2
1M
R4 24K9
RV2
10K.
R60 1K5
R27 47K5
C8
100nF
J2
CON10
1
2
3
4
5
6
7
8
9
10
C84 100nF
C14 100nF
D26 DG1S6
D2
BAS21
D4 BAS21
R47
1K
C24
1nF
+
-
U2D
TLC274
12
13
14
4
11
R57 1K
R21 100K
R56 680R
R51
100K
R35
4K7
C39 100pF
D5 BAS21
C20 100nF
D21 4.7V/MINIMELF
J5
DB15
5
9
4
8
3
7
2
6
1
10
11
12
13
15
14
C93 100nF
C17 100nF
C81 100nF
VBIAS
C44 100nF
R5 4K7
D1
BAS21
R40 1K
RL1
G5V-2-H1-12V
13
11
9
4
6
8
1
16
R8 5K36
C77 100nF
C49 100nF
C67
1nF
R52
1K
+
-
U3B
TLC274
5
6
7
4
11
C43
100nF
C7
100nF