UBS Axcera 425A Appendix B drawing
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
-12V -12 V
9
+
U3C
-
+12V
11
4
12
8
13
1 1
C5
R2
R4
1K
C7
100pF
47
20V
+
1.2K
J1 5
1
47
R1
51 0
R84
10 0
W1
BAL
TE RM
+
-12V
R5
1K
R3
1.2K
2
2 2
BALANCED AUDIO INPUT
NOMINAL LEVEL:
0dBM IN HIGH GAIN
+10dBM IN LOW GAIN
J2
_
3
2
1
+
CR18
CR19
3 3
C6
20V
C37
100pF
CR1
1N91 4
CR3
1N91 4
C8
100pF
C65
100pF
10
9
6
U1B
5
-12V
CR2
1N9 14
CR4
1N91 4
-12V
11
+
U1 C
-
4
+12V
+12V
4
-
7
+
TLO74CND
11
8
R6
9.53K,1%
1/2W
+12V
R7
9.53K,1%
1/2W
R8
9.53K,1%
1/2W
R9
9.53K,1%
1/2W
+12V
2
3
C11
1600pF
4
+
U1A
C10
11
-12V
C9
.1
.1
R11
J5
4.7K
1
2
R10
47K
PEREEMP
R48
68K
R12
150K
W5
1
2
3
J1 1
HI
LO
W3
BAL.
I/P
GAIN
+12V
2
3
+12V
+
U2A
4
11
4
-
13
14
+
U1 D
12
1
11
-12 V
3
2
CW
R13
5K
1
BAL.
AUDIO
GAIN
-12V
J1
-12 V
GND
+12V
KE Y
N.C.
C16
.1
1
TLO74CND
C17
.1
5
4
3
2
1
R14
4.7K
.47
L2
.47
R29
4.7K
C1
.01
C3
.01
+
C2
47
20V
+
C4
47
20V
-12 V
+12V
10
TO BOARD
TO BOARD
L1
11
+
U3D
-
4
+12V
14
NOTES:
1) ALL RESISTORS 1/8W, 5% EXCEPT AS NOTED.
2) ALL CAPACITORS ARE uF UNLESS NOTED OTHERWISE.
3) ALL INDUCTORS ARE uH UNLESS NOTED OTHERWISE.
4) CR18-CR21 ARE 1.5KE12CACT-ND.
-12V
COMPOSITE
IN
4 4
C34
.47
BNC
J3
COMP
TERM
CR20
R51
100K
1
2
3
47
20V
J1 2
+
DIS
EN
W4
R43
47K
-12V
R38
1K
CR9
1N91 4
CR11
1N91 4
CR10
1N91 4
CR12
1N91 4
R50
C12
5 5
J1 3
COMPOSITE
IN
BNC
CR21
75
+
C13
47
R47
1K
R49
47K
+12V
20V
6
5
3
2
-
U6B
+
+12V
+12V
+
U6A
-
4
8
8
4
7
C32
.1
1
TL082CD
C33
.1
R15
9.53K,1%
1/2W
R25
9.53K,1%
1/2W
9.53K,1%
1/2W
+12V
9
U2C
10
-12V
R26
9.53K,1%
1/2W
R16
4
+
11
CW
R19
20K
+12V
R18
4.7K
8
3
2
R17
5K
1
COMP.
AUDIO
4
-
6
7
+
U2B
5
11
R20
4.7K
-12 V
13
12
+12V
+
U2D
-12V
4
11
14
GAIN
-12 V
6 6
-12V
SUBCARRIER
BNC
J4
1
2
J14
C66
.001
W2
C14
.001
R22
1K
C15
100pF
C67
3
2
R23
47K
100pF
SUBCARRIER
7 7
R21
75
TERM
C19
.1
11
+
U3A
-
TLO74CND
4
C18
.1
+12V
C64
1
15-60pF
FREQ
RESP
CW
3
1
R27
4.7K
2
R24
SUBCARRIER
5K
AUDIO GAIN
R80
47K
R65
15K
.8Vpp @ +-25KHz
DEVIATION
(NOMIN AL)
AUDIO
TP1
R28
22 0
C46
10
35V
+
R66
1.2K
R63
47
C58
.47
R64
47K
R62
C47
.1
1K
R75
10M
1/4W
R76
20K
L4
10 0
L6
10 0
-12V
+12V
3
2
+
U7A
C60
8
-
TL082CD
4
-12V
R77
100K
C59
4.7pF
CR13
MV1 404
CR14
MV14 04
.1
1
C63
.1
C48
.47
CR5
1N571 1
MV1 404
CR15
MV1 404
CR16
C49
.01
C61
.01
C50
1.5pF
R78
1M
R69
2.2K
+12V
5
+
U7B
6
-
-12V
CR8
1N571 1
C62
VCO
TUNE
L5
10
8
4
.01
7
12
10
C51
100pF
CR17
MV16 42
R79
10 0
7 8 5
U10
MC1648 P
4 9 114
R81
1K
1
2
3
J1 0
L3
.47
DEVIATION
O/P
C42
.01
3
TP2
C45
.01
C44
.1
C41
.1
MC78L05ACP
1
O
R53
2.2K
U9
GND
2
+12V
C54
C39
.01
R86
30 0
3
2
8
+
U11A
-
HA50231B
4
.1
C57
.1
R57
1
30 0
C55
160pF
L7
10
4.5 MHZ
FILTER
C56
160pF
R74
30 0
5
6
+12V
8
+
U11B
-
4
-12V
J8
R71
R72
15 0
15 0
R60
75
7
1
2
3
4.5 MHZ
OUTPUTS
R55
22 0
-12V
R56
2.2K
R58
150
R59
75
R83
510
R82
2.2K
R73
75
J7
1
2
3
R61
10 0
3
I
+12V
C43
.47
+
AFC
VOLTAGE
Q3
1
R46
6.8K
J9
1
UNLOCK
OUTPUT
2
3
C
B
E
2
2N390 4
3
R2 AND R3 WERE
15906035, 20K OHM.
(PJK)
3 9087 9/9/97
LRT
J4 CENTER PIN WAS
CONNECTED TO GND.
(PJK)
2 8023 4/11/96
LRT
CORRECTED TEXT ON
U8 AND U6A. MOV ED
TEXT SO IT CAN B E
READABLE WHEN
REDU CED. (TMY)
1
+12V
B
Q2
C52
10
35V
2
E
C
3
C53
U8
R52
10 0
8 8
+12V
C35
.47
J6
3
50KHz
REF.
INPUT
2
1
MC78L05ACP
3
I
C36
.47
C21
.1
GND
2
+5 V
1
O
C24
.1
C26
.01
3
Vdd
2
Vss
1
Fin
9
MODULUS CTRL
27
OSC IN
N9 N0
OSC
OUT
MC145152P2
20 19 18 17 16 15 14 13 12 11 10 25 24 22 21 23
PLL CHIP
C38
9 9
10 10
.01
RA2
RA1
U5
45626
RA0
A5
LOCK
DET
A0
R36
470K
7
R
8
V
28
R32
1M
3
1
Q1
B
C
2N3904
E
2
R33
1M
R39
4.7K
R34
4.7M
1/4W
C27
.01
R35
4.7M
1/4W
R40
33 0
DS1
GREEN
C28
.01
R37
470K
C30
.47
6
5
+12V
+
U3B
-12V
C29
.47
4
11
7
R41
4.7K
.47
R68
1K
R67
1K
R44
4.7K
2N390 6
CR7
1N91 4
R42
30 0
R85
10 0
R70
47K
R45
2.2K
CR6
1N91 4
+
C31
10
35V
DS2
UNLOCK
IND
RED
ITS CORPORATION
THIS PRINT IS THE
PROPERTY OF ITS CORP
IT SHALL NOT BE COPIED
WITHOUT PERMISSION
11 11
MATERIAL
----
FINISH
----
REV ECN DATE APV
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
TITLE
SCHEMATIC - AURAL IF
SYNTHESIZER BD. 4.5MHz
(1265-1303)
DWN
PJK
10/11/95
CHK
LRT
2/26/96
REL
LRT
2/26/96
P
1 3/20/968012
LRT
REV ECN DATE APV
DWG. NO.
1265-3303
SCALE SHEET
D 1 OF 1
---
Q
REV
3
Loading...