Sharp 64LHP5000, Руководство по обслуживанию

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69
64LHP5000
PROJECTOR UNIT
Ë
AN5395FBP (SUB VIDEO ASSY: IC4401)
HDTV IC
»
Block Diagram
1
2 3 4 7 9
10
11 12
16
17
19
20 21
22
24
25
26
27
28 29 30 32
35
36
37
38
39
40
42
43
45
46
47
48
Limiter Coring
Gain
Control
Coring
2nd
Differential
Clamp
Edge
Switch
Gain
Control
Adder
Delay
1st
Differential
Gain
Control
Limiter
Fast
Switch
*
*
33 34 31
*
Delay
*
Delay
*
Delay
Gain
Control
8 5 6
13
15
Adder
Gain
Control
Coring
Limiter
Detector
Pin No.
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin Name
C.G.C
C.S.C
– C.C
+ C.C
CENT
R-Y IN
I.G.C
B-Y IN
GND
GND
H R-Y OUT
NC
NC
H B-Y OUT
Function
Color compensation gain control
Color compensation stop control
– side compensation control
+ side compensation control
Center axis control
R-Y input
Input polarity gain control
B-Y input
GND 3 (B-Y system)
GND 4 (R-Y system)
Skin color compensation R-Y output
NC
NC
Skin color compensation B-Y output
I/O
I
I
I
I
I
I
I
I
—
—
O
—
—
O
Pin Name
CNR R-Y IN
CNR B-Y IN
K CONT
CCD R-Y IN
CCD B-Y IN
CCD R-Y OUT
CCD B-Y OUT
GND 1
GND 2
DM
C.C.L
YH IN
C.S.L
GND
Function
CNR R-Y input
CNR B-Y input
K control
(CCD R-Y input) NC
(CCD B-Y input) NC
CCD R-Y output
CCD B-Y output
GND1 (Main)
GND2 (Clamp system)
(Differential monitor) NC
CRI core ring level
Y high band input
CRI slice level
GND5 (For CNR)
I/O
I
I
I
—
—
O
O
—
—
—
I
I
I
—
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64