Magnavox ZV450MW8 - DVD Recorder And VCR Combo, Service Manual, Page: 30 / 89

1-11-5
Video Input Select Block Diagram
E9C80BLVIS
IC5002 (INTPUT SELECT)
SW CTL
2
15
1
10
9
11
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
MAIN CB
A
22
Y
-IN2
11
C-IN2
44
VIDEO-IN2
(VIDEO INPUT SELECT)
IC2805
JK2401 (REAR) S-VIDEO IN
3
4
2
1
Y
Y1
VIDEO1 VIDEO2 TU-VIDEO
MUTE
MUTE
MUTE
Y2
C1 C2
C
VIDEO - IN1
JK2804 (REAR)
JK2806 S-VIDEO IN2
3
4
2
1
Y
C
VIDEO-IN2
JK2803
13 17
19
15
8
12
2
21
4
CN2609
CN2605
22
23
24
VIDEO-SW2
T
O
SYSTEM CONTR
O
L
BLOCK DIA
GRAM
VIDEO-SW3
FR
ONT J
A
CK CB
A
CONTR
O
L
LOGIC
PB/EE
BUFFER
LPF
BUFFER
LPF
D
VD MAIN CB
A UNIT
CN701
10
21
VIDEO-Y/CVBS-IN
82
3
VIDEO-C-IN
CN2201
VCR-VIDEO
T
O
VIDEO
BLOCK DIA
GRAM
Q2304
BUFFER
Q2305
BUFFER
VCR-VIDEO(DUB)
T
O
VIDEO
BLOCK DIA
GRAM
VIDEO-SW1
(VCR DVD DUBBING)
20
BUFFER
+
VIDEO-Y/CVBS VIDEO-C
10
REC VIDEO SIGNAL
99
A
TU-VIDEO
19
19
DTV
-VIDEO
CN2610
CN5007
TU5001 (TUNER UNIT)
TUNER CB
A
TO
D
T
V
BLOCK DIA
GRAM
DTV
-VIDEO
VIDEO OUT
4
WF13
T
O
SYSTEM CONTR
O
L
BLOCK DIA
GRAM
DTV/ANALOG