FUNAI DRV-A2621, Service Manual

Page: 29 / 86

1-11-4
Video Input Select Block Diagram
E9700BLVIS
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
REC VIDEO SIGNAL
PB VIDEO SIGNAL
MAIN CB
A
(VIDEO INPUT SELECT)
IC1507
VCR
VCR DV
D
VIDEO TU/LINE
MUTE
MUTE
MUTE
S-VIDEO-Y
S-VIDEO-C
JK1204 S-VIDEO IN (FR
ONT)
3
4
2
1
YC
VIDEO-IN (FR
ONT)
JK1201
19 20
15
8
10 12
21
4
22
23
24
VIDEO-SW2
T
O
SER
V
O/SYSTEM CONTR
OL
BLOCK DIA
GRAM
VIDEO-SW3
TU1501 (TUNER UNIT)
24
VIDEO OUT
CONTR
OL
LOGIC
OUTPUT
-SELECT
BUFFER
LPF
BUFFER
LPF
D
VD MAIN CB
A
CN601
21
21
VIDEO-Y/CVBS
23
23
VIDEO-C
CN1502
CN1505
22
FR
ONT
-Y
-IN
11
FR
ONT
-C-IN
44
FR
ONT
-VIDEO-IN
CN1201
Q1520
BUFFER
Q1521, Q1541
BUFFER
VIDEO-SW1
VIDEO-Y/CVBS VIDEO-C
IC1518
(VIDEO INPUT SELECT)
IC1508
(SW)
29
33 32 28
1 3 5
30 31
6dB AMP
CONTR
OL
LOGIC
SW CTL
6dB AMP
DRIVER B
UFFER
DRIVER
JK1502
20
VIDEO IN
20
CN2001
CN1507
JK2-VIDEO-IN
11
11
REAR J
A
CK CB
A
FR
ONT J
A
CK CB
A
JK2001
JK2 -VIDEO-IN
VIDEO-OUT2 VIDEO-OUT1 D
VD-VIDEO
PB/EE-VIDEO VCR-VIDEO
T
O
VIDEO
OUTPUT SELECT BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
IIC-B
US SD
A
IIC-B
US SCL
3 5
10
9
11
4
VCR-VIDEO(DUB)
(VCR D
VD DUBBING)
J236
JK1-V-OUT WF3
IC1511
(VPS)
VPS-V
SD
A
D
A
VN-L
SCL
6
14
7
16
D
A
VN-L
B,D
Comparison Char
t of
Models & Marks
Model
Mark
DR
V
-A2621
DR
V
-A2677
DR
V
-A2631
DR
V
-B2737
A B
C D