Sylvania DVR90VE, Service Manual, Page: 4 / 14

1-1-2
Video Output Select Block Diagram
E9510BLVOS
D
VD BE MAIN CB
A UNIT
MAIN CB
A
CN7
14
14
VIDEO-Y(I/P)
16
16
VIDEO-C
12
12
VIDEO-Cb
10
10
VIDEO-Cr
VIDEO-Y(I/P) VIDEO-C VIDEO-Cb VIDEO-Cr
JK1401 S-VIDEO OUT
CN201
3
4
2
1
IC1405
(VIDEO DRIVER)
R1402
4dB AMP
2dB AMP
LPF
DRIVER
YC
8dB AMP
-6dB
DRIVER
IC1406 (OUTPUT SELECT)
4dB AMP
2dB AMP
LPF
DRIVER
11
4dB AMP
2dB AMP
LPF
DRIVER
6
10
4dB AMP
2dB AMP
LPF
MUTE
DRIVER
8
5
VIDEO-Cb OUT VIDEO-Y OUT VIDEO-Cr OUT
JK1403
COMPOSITE VIDEO OUT
JK751
TP751 V
-OUT
3 1
15
T
O
DIGIT
A
L SIGNAL
PR
OCESS BLOCK
DIA
GRAM
V
-MUTE
D
V
D-VIDEO(DUB)
SW CTL
PB/EE-VIDEO
T
O
SUB SYSTEM
CONTR
O
L
BLOCK DIA
GRAM
T
O
SER
V
O
/SYSTEM CONTR
OL
BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
REC VIDEO SIGNAL
PB VIDEO SIGNAL
WF4
WF5
WF6
WF7
WF8
2
15
1
10
9
11
OUTPUT
-SELECT
Q391
BUFFER
TU900 (TUNER UNIT)
6
VIDEO-IN
(DVD VCR DUBBING)
WF1
WF12
IC1404
(VIDEO DRIVER)
5
4dB AMP
2dB AMP
LPF
DRIVER
6
8dB AMP
-6dB
DRIVER
4dB AMP
2dB AMP
LPF
DRIVER
3 1
7
11
VIDEO-Y(I)
VIDEO-Y(I)
R1410
14 13