Pioneer PDP-501MX Service Manual page 65

7
AN5395FBP
(RGB ASSY : IC6002)
HDTV IC
¶ Block Diagram
38 33 34 32
Coring
Limiter
35
37
36
2nd
Coring
Differential
43 Clamp
*
1st
Delay
Differential
45
39
40
46
48
*
47 Delay
1
Gain
Control
3 2 4 7
¶ Pin Function
Pin No.
1
P input
R
2
VM preamplifier gain control
3
VM preamplifier input
4
VM preamplifier output
5
Sub screen Ys input
6
Ys input
7
VM limiter amplifier input
8
VM limiter amplifier gain control
9
VM limiter amplifier output
10
Sub screen amplifier output
11
Sub screen amplifier gain control
12
Sub screen amplifier output
13
PR output
14
NC
15
PB output
16
DSC large signal gain control
17
Pre-correction primary differential input
18
NC
19
VCC
20
DSC detection output
21
DSC small signal gain control
22
DSC input
23
DSC bias
24
Pre-correction primary differential output
31 29 30 28 20
Gain
Control
Limiter
Detector
Coring
Edge Gain
Switch Control
Adder
Control
*
*
Delay
*
Delay
Fast Gain
Limiter
Switch Control
8 5 6
9 12
Pin Function
21
22
16
26
Gain
25
17
24
Adder 27
19
42
15
13
11 10
Pin No.
Sharpness mute control
25
Sharpness control
26
Y output
27
Contour gain control
28
Contour bias
29
Secondary differential input
30
31 Fine gain control
Post-correction primary differential output
32
33 Fine coring control
34 Fine coring bias
35 Differential signal bias 1
36 Contour, fine separation level control
37 Differential signal bias 2
38 Fine limiter output
39 Y delay line switch 1
40 Y delay line switch 2
NC
41
42 GND
Clamp pulse input
43
NC
44
Y input
45
C delay line switch 1
46
PB input
47
C delay line switch 2
48
PDP-501MX, PDP-V501X
Pin Function
65