Sony DXC-S500 Service Manual page 66

IC
UPC1830GT-E2 (NEC)
VIDEO/CHROMA SYNCRONIZING SIGNAL PROCESSOR
–TOP VIEW–
PIN
1 42
NO.
1
2 41
2
3
3 40
4
5
4 39
6
7
5 38
8
9
6 37
10
11
7 36
12
13
8 35
14
15
9 34
16
17
10 33
18
19
11 32
20
21
12 31
22
23
13 30
24
25
14 29
26
27
15 28
28
29
16 27
30
31
17 26
32
33
18 25
34
35
19 24
36
37
20 23
38
39
21 22
40
41
42
MODE
SWITCH
SYNC.
SEPARATE
V FILTER
V
H SYNC.
DETECT
H
H/V COUNT
AFC WAVE
32 VCO
f
H
DETECT
7-12
I/O SIGNAL
32 f VCO FILTER
I
H
32 f VCO FILTER
I H
O 32 f VCO FILTER
H
HORIZONTAL AFC FILTER
O
GND
—
f 50/60 SWITCH
I V
V
— CC
O COLOR KILLER
BLANKING PULSE
O
O HD PULSE
VD PULSE
O
Y
O
R-Y
O
B-Y
O
— GND
Y
I
— V
CC
R-Y
I
B-Y
I
COLOR CONTROL
I
TINT CONTROL
I
I CLAMP PULSE
R
O
G
O
B
O
COLOR KILLER FILTER
O
O f VCO
SC
f VCO (3.58 MHz)
I SC
I f VCO (4.43 MHz)
SC
CHROMA APC FILTER
O
f ADJUSTMENT FILTER
O O
ACC FILTER
O
GND
—
I SEPARATE CHROMA
V
— CC
COMPOSITE VIDEO SIGNAL
I
SUBCOLOR CONTROL
I
CONTRAST CONTROL
I
I SYNC SEPARATION
H SYNC DETECT FILTER
O
I f SWITCH
SC
NTSC/PAL SWITCH
I
SEPARATE/COMPOSITE
FILTER FO
SWITCH, ACC AMP.
ADJUST
SUBCOLOR CONTROL
CLAMP
C
CHROMA ACP, KILLER DETECT,
BPF IDENT DETECT
CHROMA
TRAP
C
R-Y, B-Y
MODULATE
SEPARATE/COMPOSITE SWITCH
R-Y
V
CONTRAST
H
DELAY
BLK CONTROL
Y
Y R-Y
HD, VD, BLANKING PULSE, Y, R-Y, B-Y
KILLER OUTPUT BUFFER OUTPUT BUFFER
3.58 MHz/4.43 MHz RGB OUTPUT
VCXO, PAL SW BUFFER
f R G B
SC
NTSC/PAL
MATRIX
R-Y B-Y G-Y
f TINT CONTROL
SC
B-Y
R-Y
B-Y
AMP. COLOR
LPF CONTROL
KILLER
R-Y B-Y
B-Y
Y, R-Y, B-Y
INPUT CLAMP
DXC-S500 (E)