Emerson EWR20V4 - Page 29

1-10-5
Video Input Select Block Diagram
E9400BLVIS
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
REC VIDEO SIGNAL PB VIDEO SIGNAL
MAIN CBA
22Y-IN2 11C-IN2 44V-IN2
(VIDEO INPUT SELECT)
(VIDEO INPUT SELECT)
IC800
IC805
JK1401 S-VIDEO IN1
3 4
2
1
Y
Y1
VIDEO1 VIDEO2 TU-VIDEO
COMPOSITE Y2
C1 C2
C
VIDEO IN1
JK804
TU900 (TUNER UNIT)
JK806 S-VIDEO IN2
3 4
2
1
Y
C
VIDEO IN2
JK803
13 17
19
15
7 9
11
1
20
3
18
CN1609 CN1605
22 23
SUB-SCL
TO SUB SYSTEM CONTROL BLOCK DIAGRAM
SUB-SDA
JACK CBA
VIDEO OUT
SERIAL I/F
SW CTL
PB/EE
BUFFER LPF BUFFER LPF
TU-VIDEO VIDEO1 VIDEO2
2 4 5
9
3
10
DVD BE MAIN CBA UNIT
(VIDEO DECODER)
FORMATTER
IC9
S-CLK
V-SYNC
VID(0-7)
IC9-RESET
RESET
SERIAL I/F
SCL SDA
Q19
BUFFER LPF
MUX
Q20
Q18
X1
BUFFER LPF
1 2 5 6
24
9 8
21 22
11-18
AGCA/D
Y DATA PROCESS C DATA PROCESS
14.31818MHz X'TAL
PLL
CN7
18 18Y-IN1 20 20C-IN1
44FID
CN201
VCR-VIDEO
INSEL-0 INSEL-1
FID
TO VIDEO BLOCK DIAGRAM
TO SUB SYSTEM CONTROL BLOCK DIAGRAM
Q201
BUFFER
Q200
BUFFER
VCR-VIDEO(DUB)
TO VIDEO BLOCK DIAGRAM
(VCR DVD DUBBING)
WF15