UBS Axcera 420A Low Power Television User Manual 1265 3302 3
UBS-Axcera Low Power Television 1265 3302 3
Contents
Appendix B drawing
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
A A
B B
C C
D D
E E
F F
G G
H H
I I
J J
K K
EQUALIZER
DISABLE/ENABLE
9 POS D CONNECTOR
VID
O/P
VID
I/P
WHITE
CLIP
SYNC
CLIP
SYNC
STRETCH
MAGNITUDE
DEPTH OF
MODULATION
MANUAL
OFFSET
CLAMP
ON/OFF
LEVEL
SELECT
VISUAL IF LOOP THRU ( -4 TO -10 dBM)
IF
CW
IN
KEY
N.C.
N.C.
VIS IF
GAIN
FREQ
RESP
ADJ
A/V
RATIO
IF O/P
SAMPLE O/P
AUR IF LOOP THRU
(41.25MHz)
BASEBAND
4.5 MHz
I/P
N.O.
IF RELAY
DISABLE/
ENABLE
KEY
ON
BASEBAND
IND.
OFF
BASEBAND
BASEBAND
SELECT
EXT
4.5 MHz
KEY
N.C.
+12V
-12V
GND
NOTE: UNLESS OTHERWISE NOTED ALL RESISTORS
ARE OHMS, ALL CAPACITORS ARE uF, ALL COILS ARE
uH.
SCHEMATIC, SYNC TIP
(1265-1302)
CLAMP MODULATOR
ENCODED
NORMAL
WHITE
PJK11/1/95
1265-3302 3
TO BOARD
TO BOARD
FREQ
RESP
ADJ
NICAM
I/P
VIDEO
LEVEL
ZERO
ADJUST
D
----- 1 OF 1
---------
---------
W9
LRT 2/23/96
COMPOSITE
4.5 MHz
I/P
N.C.
4.5 MHz
EXT/INT
VIDEO
GAIN
W10
W11
J36 WAS J27. ADDED J22,
J27, R187 AND R188. (PJK)
0
80412
1
2/23/96
LRT
4/30/96
W6 WAS PINS 1-2
ADDED W10 & W11. (PJK)
3/25/96
LRT-----
8013
RELEASED TO REV 0. (PJK)
LRT
38824 1/24/97
ADDED C108 & C109. (TMY)
2/23/96
LRT
ITS CORPORATION
REV ECN DATE APV
TITLE
THIS PRINT IS THE
PROPERTY OF ITS CORP
IT SHALL NOT BE COPIED
WITHOUT PERMISSION
MATERIAL
FINISH
DWN
CHK
REL
SCALE SHEET
REV
REV ECN DATE APV
DWG. NO.
-12V
-12V
-12V-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
-12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
-12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V+12V
+12V
+12V
+12V
+12V
+12V
-12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
R1
75
W4
TP6
R3
220 R4
300
R77
100
R78
100
R6
300
L1
.1uH
L2
.1uH
R5
220
TP1
J3
1
2
R8
2.2K
R16
1K
R9
75
W1
R10
75
J5
1
2
3
TP7
R13
1.2K
R22
100
R26
75
R29
1.2K
R31
300R51
47 R128
33
R153
10
R184
1K R124
100
R125
510
R122
2.2M
R123
2.2M
R127
470
TP3
R34
470
R36
150K
J4
1
2
3
R41
10K
CW
3
2
1
R20
1K
CW
3
2
1
R24
1K
CW
3
2
1
R45
5K
CW
3
2
1
R48
500 CW
3
2
1
Q7
BS170
J35
1
2
3
R35
10M
R91
100K
C14
1
C51
1
W7
W6
R79
1K
C99
100pF
R38
1K
C16
.1
R68
51 R69
10
R171
100
L4
.47uH
C22
.01 uF C23
.01 uF
R133
100
TP4
R54
2.2K
C78
3-15pF
R52
2.2K
C20
.01 uF
R55
33 R159
33
R130
10
R131
10
R129
47
R14
470
Q2
2N3906
1
3 2
B
C
E
R43
1.5K
R32
500
CW
3
2
1
TP2
R28
75
R139
47K
R44
330
R49
47
R141
150K
R138
100K
R142
10K R143
10K
R146
10K
C92
15pF
C87
15pF
R147
10K
R150
100
R148
10K
C18
.01 uF
R185
47
L24
.47uH
R172
100
C19
.01 uF
L30
.27uH
C102
100pF
CR7
1N5711
R25
3.3K
R21
1.5K
R18
150
R42
10K
R2
1.2K
CR3
1N914
CR1
1N914
R47
4.7K
R126
10K
Q5 2N3906
1
32
B
C
E
VR1
3.3V
R149
100
C90
.001 uF
CR8
1N5711
C38
.01 uF
L10
.47uH
R174
47
R162
100
C40
.01 uF
L11
.47uH
R183
47
R161
100
C42
.01 uF C26
.01 uF
L6
.47uH
R176
47
R164
100
C28
.01 uF
R61
10 L32
.27uH
L7
.1uH
C29
15pF C30
9-35pF
R63
100
CW
3
2
1
TP5
L12
.27uH
R76
100 L13
.27uH
C96
100pF
C47
100pF
R81
27
R83
39
R84
10
R86
39
+
-
U1A
HA50231B
3
21
84
CR2
1N914
R186
2.2K
CR4
1N914
R17
2.2K
R64
100/1W
R132
100/1W
+
-
U3A
TL082
3
21
84
R175
47
R33
4.7K
R75
100/1W
+
-
U1B
5
67
84
+
-
U21B
TL082
5
67
84
R46
10K
R19
1K
Q6
2N3904
1
2 3
B
E
C
R74
100/1W
Q3
2N3906
1
32
B
C
E
+
-
U20A
TL082
3
21
84
C31
.01 uF
R145
2.2K
R40
10K
VR2
3.3V
+
-
U3BTL082
5
67
84
R23
3.3K
Q1
2N3904
1
2 3
B
E
C
R163
100
+
-
U2A
HA50231B
3
21
84
R58
100/1W
R57
100/1W
R104
100/1W
R179
47
L23
.47uH
R167
100
C65
.01 uF
R178
47
R166
100
L22
.47uHC64
.01 uF
R103
100/1W
C63
.01 uF
C70
100pF
L28
.27uH
R115
100L29
.27uH
C80
100pF
+
-
U20B
TL082
5
67
84
C88
.1
FL1
850098
1
2 6
5
3
4
7
8
R12
100
CW
3
2
1
C95
100pF
R7
2.2K
U16
MAV-11
1 3
24
C9
.01 uF
R62
100
CW
3
2
1
R27
220
Z1
LRMS-1
RLI
4
1
5
2
3
6
R65
100
C2
.01 uF
R158
33
U5 MAV-11
13
2 4
C33
.01 uF
C7
.01 uF
U10
MAV-11
1 3
24
J18
1
2
3
C32
.01 uF
C11
.01 uF
C83
.1
C6
.01 uF
C10
.01 uF
J15
1
2
3
+
-
U21A
TL082
3
21
84
L8
.47uH
R85
200
CW
3
2
1
T2
T1-1
6
4
1
3
52
C79
.01 uF
U11
MAV-11
1 3
24
C97
100pF
T1
T1-1
6
4
1
3
5 2
C39
.01 uF
C91
.1
R56
75
J8
1
2
3
4
5
6
-
+
U4A LM319N
4
512
11
6
3
C3
.01 uF
R70
20
CW
3
2
1
R144
1K
CW
3
2
1
U7 MAV-11
1 3
24
T3
T1.5-1
6
4
1
3
52
C68
.01 uF
+
C77
10 uF
35V
C15
100pF
C27
.01 uF
R82
220
U9
MAV-11
13
2 4
+
C41
10 uF
35V
U8 MAV-11
1 3
24
R152
1K
CW
3
2
1
Q4
2N3904
1
2 3
B
E
C
U15
MAV-11
1 3
24
C71
100pFC98
100pF
J17
1
2
3
C67
.01 uF
C12
.01 uF
C21
.01 uF
R53
5K
CW
3
2
1
R110
39
R111
39
J36
1
2
3
R116
10
R109
200
CW
3
2
1
C44
.01 uF
R105
100/1W
R181
47
R169
100
C45
.01 uF
L25
.47uH
U12
MAV-11
1 3
24
C46
.01 uF
J20
1
2
3
R160
100
R106
100 J21
1
2
3
C105
100pF
J14
1
2
3
K1
172D-12
3
2
5
6
1
7
4 8
J28
1
2
3
R119
1K DS1
J32
1
2
3
J7
1
2
3
J30
1
2
3
W2
W3
R87
300
R88
100
CW
3
2
1
+
-
U13A HA50231B
3
21
84
J1
BNC
J2
BNC
J12
BNC
C48
.01
C49
.01
R92
51
R90
2.2K
R108
220
C50
.01
C52
100pF C54
100pF
L15
1.5C55
.001
Z2
LRMS-1
R
L
I
4
1
5
2
3
6
L31
.27uH
C104
100pF
R173
100
C57
.01 uF L16
.47uH
R180
47
R168
100
R94
100/1W
U14
MAV-11
13
2 4
C56
.01 uF
C58
.01 uF
C61
100pF C60
100pF
C59
1.8-10pF R95
51
R96
33
R97
20
CW
3
2
1
R98
18
J23
1
2
3
4
5
L26
.47uH
+
C73
10uF
35V
L27
.47uH
+
C74
10uF
35V
J6
1
2
3
4
5
6
7
8
9
W8
+
-
U13B
5
67
84
L17
1.0
L20
1.0
L18
.24L19
.24
J31
1
2
3
4
+
-
U2B
5
67
84
-
+
U4B
9
10 7
11
6
8
R73
4.7
R117
4.7
R118
4.7
R177
47
R67
39
L33
.47uH
R59
27
R60
27
R113
75
R187
75 R188
300
J22
1
2
3
J27
1
2
3
R71
47
C94
100pF
C13
.01 uF
C8
9-35pF
C85
4.7pF
R112
100
C62
4.7pF
J19
1
2
3
R39
1K
R114
100
R72
75
C93
100pF
R80
220
C1
.001 uF
C53
.001
C103
100pF
C101
100pF
R140
100K
C84
.1
R50
39
C86
4.7pF
C34
100pF
C5
.01 uF
J16
1
2
3
C100
100pF
R15
2.2K
C89
.001
R30
300
R107
75
CR6
1N914
R11
75
CR5
1N914
C107
4.7pF
C17
.01 uF
C4
.01 uF
C43
100pF
C24
4.7pF
L3
1.5
C109
1
C108
1
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
U5 U7 U8 U9 U10 U11 U12
U14 U15 U16
1265-3302 1
SCHEMATIC, SYNC TIP
CLAMP MODULATOR
(1265-1302
PJK 3/25/96
A2 OF 2
ITS CORPORATION
REV ECN DATE APV
TITLE
THIS PRINT IS THE
PROPERTY OF ITS CORP
IT SHALL NOT BE COPIED
WITHOUT PERMISSION
MATERIAL
FINISH
DWN
CHK
REL
SCALE SHEET
REV
REV ECN DATE APV
DWG. NO.
VIA2
1
VIA4
1
VIA3
1
VIA1
1
VIA6
1
VIA8
1
VIA7
1
VIA5
1
VIA10
1
VIA9
1
VIA12
1
VIA11
1
VIA16
1
VIA15
1
VIA14
1
VIA13
1
VIA20
1
VIA18
1
VIA19
1
VIA17
1
VIA23
1
VIA21
1
VIA22
1
VIA24
1
VIA28
1
VIA25
1
VIA27
1
VIA26
1
VIA32
1
VIA29
1
VIA31
1
VIA30
1
VIA36
1
VIA33
1
VIA35
1
VIA34
1
VIA40
1
VIA37
1
VIA39
1
VIA38
1