Toshiba D-VR40SF Service Manual page 48

Video Input Select Block Diagram
BOARD REAR JACK
VIDEO IN 20
JK2001
CL2001
VIDEO-IN2 20 10 VIDEO-IN2
CN1502
TO DIGITAL
SIGNAL PROCESS 10 VIDEO-Y/CVBS-IN
BLOCK DIAGRAM
8 VIDEO-C-IN
(CN701)
TU1501 (TUNER UNIT)
VIDEO OUT
17
JK1502
CN1507
10
IC1507
Q1521
BUFFER 19
20
Q1520
BUFFER 21
IC1511 (VPS)
DAVN-L
14
SDA 6
SCL 7
VPS-V 16
IC1518 (VIDEO INPUT SELECT)
28
BUFFER 31
6dB
1 DRIVER 30
AMP
3
6dB
DRIVER 29
AMP
5
33 CONTROL
LOGIC
32
IC1508 (SW)
DVD
3
4
VCR
5
SW CTL
9 10 11
(VIDEO INPUT SELECT)
S-VIDEO-Y
15
MUTE
BUFFER LPF
VCR
8
VIDEO
10
TU/LINE
12
MUTE
S-VIDEO-C
4
BUFFER LPF
MUTE
CONTROL
LOGIC
22 23 24
VIDEO-SW1
VIDEO-SW2
VIDEO-SW3
TO SERVO/SYSTEM CONTROL
OUTPUT-SELECT
BLOCK DIAGRAM
DAVN-L
IIC-BUS SDA
IIC-BUS SCL
BOARD MAIN
1-12-4
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
REC VIDEO SIGNAL PB VIDEO SIGNAL
VIDEO-OUT2
TO VIDEO
VIDEO-OUT1
OUTPUT SELECT
BLOCK DIAGRAM
J236
DVD-VIDEO
JK1-V-OUT
WF3
PB/EE-VIDEO
TO VIDEO
VCR-VIDEO
BLOCK DIAGRAM
(VCR DVD DUBBING)
VCR-VIDEO(DUB) TO VIDEO
BLOCK DIAGRAM
CN1505 CN1201
Y
2 FRONT-Y-IN 2 3 4
1 FRONT-C-IN 1
1 2
4 FRONT-VIDEO-IN 4
JK1201
BOARD FRONT JACK
C
JK1204
S-VIDEO
IN
(FRONT)
VIDEO-IN
(FRONT)
E9BA1BLVIS