Emerson EWL20S5 - Page 20

7-2 L2601BLIF
IF/Video Block Diagram
TO AUDIO BLOCK DIAGRAM
TO LCD BLOCK DIAGRAM
TO LCD BLOCK DIAGRAM
INPUT-0(INV) INPUT-1(INV)
SAW FILTER
TU1
SF11
IF
AGC
SDA
SCL
1
7
3 2
SIF
MAIN CBA
VIDEO SIGNAL
AUDIO SIGNAL
TO AUDIO BLOCK DIAGRAM
JK706 VIDEO-Y IN JK707 VIDEO-Pb/Cb IN JK708 VIDEO-Pr/Cr IN
JK703 VIDEO1 -IN JK701 S-VIDEO IN
SDA
TO SYSTEM CONTROL BLOCK DIAGRAM
SCL
S-SW
CY
3
IC781 (INPUT SELECT)
5
4
13 12
14
1 2
15
SW CONTROL
10
9
11
INPUT-0 INPUT-1
TO SYSTEM CONTROL BLOCK DIAGRAM
Q707 Q708
(TUNER UNIT)
CF31
IC31 (IF SIGNAL PROCESS)
VIF AMP
VIDEO DET
VCO
4.5MHz FILTER
RF AGC
AMP
SIF AMP
16
13 18
17
4
7
8
1
XTAL-IN
14
TO SYSTEM CONTROL BLOCK DIAGRAM
AFT-IN
5
SIF TRAP
11
FSC
IF AGC DET
AFT
EQ AMP
2
DEFEAT
CVBS
S-VIDEO-C S-VIDEO-Y
VIDEO-Y
VIDEO-Pb/Cb
VIDEO-Pr/Cr