iLO IWF2706, Service Manual

Page: 28 / 60

7-3 L4803BLIF
IF/Video Block Diagram
22
47 38
CF32
S-SW
TO CR
T/H.V
. BLOCK
WH301A
TO CR
T/H.V
. BLOCK
WH301B
BLUE
5 GREEN
4 RED
3
IC31
(IF SIGNAL PR
OCESS)
H-SYNC PR
OCESS
CIRCUIT
C-SYNC SEP
A.
V
-SYNC
PR
OCESS
CIRCUIT
VCXO
10BIT ADC
SW
COMP-Y TUNER LINE2 LINE1 DTV
-Y
S-VIDEO-Y
A
C
C
BPF
NTSC DEMO
RGB DA
C
RGB DRIVE
29 37 80
7
18 19 14 25
AC
L
Q322
H-DRIVE
FBP-IN
RAMP-OUT
EW
-OUT
45
SA
W
FIL
TER
VIF AMP
VIDEO DET
VCO
4.5MHz FIL
TER
EQ AMP
SIF TRAP
AMP
AFT
SIF AMP
16 11
13
17
4
7
1 8
TU11
SF11
ANALOG-OUT
11
31
SIF
51 50 49
MAIN CB
A
VIDEO SIGNAL
RF/IF SIGNAL
A
U
DIO SIGNAL
TO A
U
DIO BLOCK
IC301
TV MICON/VIDEO /A
UDIO/CHR
OMA
/DEFLECTION
JK721 S-VIDEO-IN
CY
X301 3.58MHz
T
O
SYSTEM
CONTR
OL BLOCK
VIDEO-Y
-IN
T
O
DTV
BLOCK
DTV
-Y
DTV
-Cb
DTV
-Cr
VIDEO-Cb-IN VIDEO-Cr-IN
JK741
35 34 33
(REAR) JK701 VIDEO-IN2 JK711 VIDEO-IN1 (FR
ONT)
42 40 41
AFT
-IN
10BIT ADC
MPX
LIMINANCE SIGNAL PR
OCESS
MA
TRIX
OSD MIX, CONTRAST
,
BRIGHT
A
CL/ABL
CHR
OMINANCE
SIGNAL PR
OCESS
VRAMP/EW OUTPUT
WF10
(REAR) (REAR) (REAR)