5-46
5-47
5-48
• Waveforms
– VI-39 Board –
1
IC105
#ª
(ACO), IC101
7
2
IC105
#¡
(AYO), IC102
7
3
IC105
@∞
(ADIN)
4
IC108
@∞
(VIDEO)
5
IC108
@º
(R-Y)
6
IC108
!ª
(B-Y)
7
IC108
!•
(SC OUT)
8
IC108
!º
(VCXO)
9
IC108
5
(C IN)
0
IC103
@º
(V OUT)
!¡
IC103
!º
(SYNC IN)
!™
IC103
6
(XO IN)
0.4 Vp-p
H
0.4 Vp-p
H
0.8 Vp-p
H
0.2 Vp-p
H
0.8 Vp-p
H
0.6 Vp-p
H
0.6 Vp-p
4.425 MHz
0.8 Vp-p
17.73 MHz
0.2 Vp-p
H
1 Vp-p
H
4.8 Vp-p
H
0.5 Vp-p
4.425 MHz
• IC Block Diagrams
– VI-39 Board –
IC101, 102
MM1113XFBE
IC103
CXA1229M-T6
SW2
VCC
IN1
SW1
IN2
GND
OUT
IN3
1
2
3
4
5
6
7
8
BIAS
SW
SW
BUFFER
+
REGULATOR
6
7
5
4
21
20
19
18
17
15
14
13
16
Y/C
MIX
VIDEO
OUT
B
OUT
SYNC
SLICE
SYNC
OUT
G
OUT
R
OUT
MATRIX
CLAMP
CLAMP
CLAMP
X'TAL
OSC
PHASE
SHIFTER
PULSE
GENERATOR
R-Y
MODULATOR
B-Y
MODULATOR
BUFFER
3
2
1
24
9
10
11
12
8
22
23
VCC1
C SYNC OUT
C SYNC IN
AUDIO OUT
AUDIO IN
NTSC/PAL
IN
XO IN
XO OUT
Y IN
B-Y IN
R-Y IN
GND1
I REF
V REF
CHROMA OUT
CHROMA IN
Y IN
VCC2
Y
OUT
C VIDEO
OUT
B OUT
G OUT
R OUT
GND2
IC105
CXD2024AQ
C3
C4
C5
C6
C7
C8
C9
CA
XYOE
Y1
Y2
DV
DD
DV
SS
Y3
Y4
Y5
Y6
Y7
Y8
Y9
YA
CV
SS
CIRF
CVRF
40 CVG
ACO
38 XACO
37 CV
DD
36 VB
35 YV
SS
34 YIRF
33 YVRF
32 YVG
AYO
30 XAYO
29 YV
DD
28 ADVD
27 RT
26 AAVD
25 ADIN
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
C2
C1
XCOE
APON
TEST
TEST
TST
DV
SS
DV
DD
TEST
TEST
TEST
TEST
TEST
BPF
80
TEST
1
V18
2
V17
3
V16
4
V15
5
V14
6
V13
7
V12
8
V11
9
ADCO
10
INSL
11
OCLK
12
DV
SS
13
DV
DD
14
CLKO
15
MCK
16
ADCK
17
CLPI
18
XCPON
19
ADVS
20
ICP
21
CRV
22
RB
23
GR
24
AAVS
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45
43 42 41
ADAPTIVE
FILTER
OPARATION
LOGIC
OPARATION
64
44
ADC
DAC
BPF
BPF
BPF
1HDL
1HDL
DAC
+
DL
39
31
IC108
M5127FP-70AD
1
2
3
4
5
6
7
8
9
10 11 12 13
14
15
16
28 27 26 25
24
23
21
20
19
18
17
22
BGP
PGW
C OUT
C CNT
C IN
BYPC
ACCK
REFV
APC
VCXO
TIN
VCXI
GND
B-Y IN
NTSC
PAL
90
°
90
°
180
°
90
°
270
°
SYNCO
SLC
FBC
VIDEO
HD
BLK
KFC
KILF
R-Y OUT
B-Y OUT
R-Y IN
VCC
SC
NTSC/PAL
COMP
SYNC
SEPARATOR
COMP
BURST GATE
PULSE
2nd
AMPLIFIER
1st
AMPLIFIER
ACC
DETECTOR
BURST
GATE
APC
DETECTOR
TINTO
REFERENCE
VOLTAGE
ID PULSE
B-Y
DECODER
R-Y
DECODER
ID KILLER
DETECTOR
4FSC
VCXO
1/4
COMP
