Sansei TS5129T, Service Manual

Page: 5 / 33

IC Block Diagrams
-5-
IC201 < IF/Video/Chroma/Def. > LA76828
1
DC
VO
L
SW
FM
DET
2
3
4
56
IF
AG
C
RF
AG
C
VIF
7
8
9
10
IF
VCC 5V
11
12
13
BU
S
PEAKING
CORING
BLA
CK
STRETCH
SYNC
SEP
14
15
ABL
DC
REST
CLAMP
OSD
CONTRAST
BRIGHT
16
17
18
19
20
CONTRAST
BRIGHT
RGB
MA
TRIX
OSD
SW
DRIVE/OUT
-OFF
VCC
21
22
23
FSC/
SYNC SW
24
25
26
27
VER
RAMP
HOR
VCC
H
VCC
VER
C/D
HOR
OUT
PHASE
SHIFTER
AFC2
AFC1
VER
SEP
HOR
C/D
1/256
COLOR CLAMP
LPF
ALC
+
SW
CLAMP
DEMO
PA
L SW
AC
C
BPF
ON/OFF
DELA
Y
LINE
SW
TRAP
AFT
VIDEO
DET
TRAP
LIM
AMP BPF
SPLL
BPF
VIDEO
AMP
VIDEO
SW
APC1
TINT
VXO
DDS
APC2
CLAMP
VCO
1H DELA
Y
HOR
VCO
FBP
28
29
30
31
32
1H
VCC
33
34
35
36
37
38
39
40
41
42
CLMP
43
44
45
CLMP
V/C VCC
5V
46
47
48
49
50
A2C
PLL
51
52
53
54
Audio Output
FM Output/Selected
Audio Output
PIF AGC
RF AGC Output
PIF Input1
PIF Input 2
IF Ground
IF Vcc
FM Filter
AFT Output
Bus Data
Bus Clock
ABL
Red Input
Green Input
Blue Input
Fast Blanking Input
RGB Vcc
Red Output
Green Output
Blue Output
E/W Output
Vertical Output
Ramp ALC Filter
Horizontal/BUS Vcc
Horizontal Output
Horizontal AFC Filter
Flyback Pulse Input
VCO IREF
Clock (4MHz) Outupt
CCD Vcc
CCD Filter
CCD/Horizontal Ground
SECAM B-Y Input
(Cb Input)
SECAM R-Y Input
(Cr Input)
Chroma APC2 Filter
Clamp Filter
4.43 MHz Crystal
Chroma APC1 Filter
fsc Output
Video/Vertical/BUS Ground
External Video Input(Y-IN)
Video/Vertical Vcc
Internal Video Input (S-C IN)
Black Level Detector
Video Output
VCO Filter
VCO Coil 2
VCO Coil 1
APC Filter
Ext. Audio Input
SIF Output
SIF APC Filter
SIF Input
SW
S
.TRAP
SW
OV
E
R
MOD
.
DC ADS
.