PRO-730HDI
56
1
2
3
4
1
2
3
4
C
D
F
A
B
E
WAVEFORMS and VOLTAGES
Note : The encircled numbers denote measuring point in the schematic diagram.
• Input signal
Input
: INPUT 1 (COMPOSITE)
Video Signal
: EIA color-bar
J
F3/5
VIDEO UCOM SERVICE ASSY
J
F 4/5
VIDEO UCOM ASSY
GND
GND
GND
GND
GND
GND
53
CN4301 - pin 18 (AUDIOL)
V: 0.5V/div. H: 500
µ
sec/div.
56
IC4301 - pin 1 (Sharpness Pr in)
V: 1V/div. H: 5
µ
sec/div.
54
IC4301 - pin 45 (Sharpness Y in)
V: 1V/div. H: 5
µ
sec/div.
57
IC4301 - pin 27 (Sharpness Y out)
V: 1V/div. H: 5
µ
sec/div.
55
IC4301 - pin 47 (Sharpness Pb in)
V: 1V/div. H: 5
µ
sec/div.
58
IC4301 - pin 15 (Sharpness Pb out)
V: 1V/div. H: 5
µ
sec/div.
GND
59
IC4301 - pin 13 (Sharpness Pr out)
V: 1V/div. H: 5
µ
sec/div.
GND
GND
GND
GND
GND
GND
60
IC4608 - pin 51 (Jungle input Y)
V: 1V/div. H: 5
µ
sec/div.
62
IC4608 - pin 53 (Jungle input Pr)
V: 1V/div. H: 5
µ
sec/div.
61
IC4608 - pin 52 (Jungle input Pb)
V: 1V/div. H: 5
µ
sec/div.
63
IC4608 - pin 34 (Jungle output R)
V: 1V/div. H: 5
µ
sec/div.
64
IC4608 - pin 32 (Jungle output G)
V: 1V/div. H: 5
µ
sec/div.
65
IC4608 - pin 30 (Jungle output B)
V: 1V/div. H: 5
µ
sec/div.
IC4301 (AN5395FBP)
No
Voltage (V)
1
5.6
2
0
3
2.6
4
-
5
9.0
6
9.0
7
2.6
8
0
9
-
10
-
11
0
12
2.6
13
4.6
14
0
15
4.6
16
3.1
IC4305 (M52055FP)
IC4306 (M52055FP)
No
Voltage (V)
17
5.6
18
0
19
8.9
20
4.1
21
5.2
22
2.7
23
9.0
24
4.7
25
0
26
3.6
27
4.1
28
6.3
29
3.6
30
2.5
31
3.8
32
2.7
No
Voltage (V)
33
2.9
34
5.3
35
3.6
36
2.8
37
3.6
38
-
39
0
40
4.0
41
0
42
0
43
0/5
44
0
45
5.6
46
0
47
5.6
48
4.0
No
Voltage (V)
1
4.7
2
-
3
3.2
4
0
5
3.2
6
3.2
7
-
8
4.7
9
4.7
10
0
11
4.7
12
-
13
9.1
14
4.7
15
0
16
4.7
No
Voltage (V)
1
4.7
2
-
3
3.2
4
0
5
3.2
6
3.2
7
-
8
4.7
9
4.7
10
0
11
4.7
12
-
13
9.1
14
4.7
15
0
16
4.7