Sharp DV-RW550U - Page 52

NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
1-13-5
Video Input Select Block Diagram
E9656BLVIS
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
REC VIDEO SIGNAL
MAIN CBA
22Y-IN2 11C-IN2 44VIDEO-IN2
(VIDEO INPUT SELECT)IC805
JK1401 S-VIDEO IN
3 4
2
1
Y
Y1
VIDEO1 VIDEO2
TU-VIDEO
MUTE
MUTE
MUTE
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
8
10 12
2
21
4
18
CN1609 CN1605
22 23 24
VIDEO-SW2 TO SYSTEM CONTROL
BLOCK DIAGRAM
VIDEO-SW3
JACK CBA
VIDEO OUT
CONTROL LOGIC
PB/EE
BUFFER
LPF
BUFFER LPF
DVD MAIN CBA UNIT
CN601
21 21
VIDEO-Y/CVBS
23 23VIDEO-C
CN201
VCR-VIDEO
TO VIDEO BLOCK DIAGRAM
Q1303
BUFFER
Q1304
BUFFER
VCR-VIDEO(DUB)
TO VIDEO BLOCK DIAGRAM
VIDEO-SW1
(VCR DVD DUBBING)
20
BUFFER
+
VIDEO-Y/CVBS VIDEO-C
WF5
WF4
WF31
WF30
WF29