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HCD-GZR888DA/GZR999DA
6-23. SCHEMATIC DIAGRAM – VIDEO Section –
1
2
VIDEO BOARD
A
CN1500
7P
CL926
CR
7
CL925
DGND
6
CL924
DMB19
CB
5
CL923
BOARD
F
DGND
4
(2/4)
CL922
3
CN1104
Y
CL921
(Page 42)
DGND
2
B
CL920
1
CVBS
CN1501
5P
CL928
SW B
1
CL929
MAIN
SW A
2
BOARD
J
CL930
I/P SW
3
(1/3)
CL931
CN511
V-MUTE
4
CL932
(Page 46)
D-GND
5
C
(Page 48)
CN1504
3P
MAIN
CL935
1
BOARD
K
V+5V
CL936
(3/3)
2
V-GND
D
NO912
CL937
3
LCD VIDEO
LCD CTRL
S
BOARD
CN002
(Page 61)
CN1503
3P
CL938
DMB19
3.3V
1
CL939
BOARD
G
SPDIF
2
(2/4)
CL940
GND
3
CN1103
(Page 42)
E
HCD-GZR888DA/GZR999DA
• See page 70 for IC Block Diagrams.
3
4
R1501
0
R1502
0
R1503
0
R1509
10k
R1510
100
R1511
100
C1501
1
50V
FB001
C1500
100
10V
C1503
10
50V
R1505
10k
R1500
0
JW1500
IC1502
C1526
IC1502
10
C1527
TOTX147L(F,T)
50V
1000p
OPTICAL TRANSMITTER
3.2
1
VCC
DVD
0.2
2
DIGITAL OUT
IN
3
GND
OPTICAL
5
6
7
C1504
1
50V
C1507
1
50V
R1518
0
C1508
1
50V
C1509
1
50V
R1520
100
0
9
GND
SEL C
8
C1510
0.1
3.3
VEE
10
SEL B
7
3.3
C1512
22
50V
INH
11
SEL A
6
R1513
C1505
1
50V
100k
2.3
2.3
D5
12
D3
5
2.3
2.3
13
D7
D0
4
R1514
C1506
1
50V
2.3
2.3
100k
14
COM
D1
3
R1515
100k
R1519
0
2.3
2.3
D6
15
D2
2
R1517
10k
5
2.3
D4
16
VCC
1
R1516
100k
IC1500
IC B/D
IC1500
TC74LVX4051FT
VIDEO SELECTOR
54
54
8
9
IC1501
IC B/D
IC1501
MM1758AFBE
R1531
COMPONENT VIDEO AMP
75
2.1
C1516
14
CR IN
GND2
15
1000
R1521
R1526
6.3V
75
0
3.3
2.5
13
MUTE2
CR OUT
16
2.1
C1517
12
CB IN
GND2
17
1000
R1522
R1527
6.3V
75
0
2.5
11
CLP
CB OUT
18
1.5
C1518
10
CY IN
GND2
19
1000
R1523
R1528
6.3V
75
0
3.3
1.8
9
I/P
CY OUT
20
2.4
1.8
8
BIAS
Y OUT
21
R1524
R1529
C1519
75
0
1000
7
GND1
GND2
22
6.3V
1.5
1.8
6
Y IN
CVBS OUT
23
R1525
R1530
C1520
5
75
0
1000
5
YC MIX
S2
24
6.3V
1.5
4
CVBS IN
S1
25
3.3
3
MUTE1
C OUT
26
0.2
2
C IN
S-DC OUT
27
C1514
0.1
5
5
1
VCC2
VCC1
28
10
11
J1500
1P
VIDEO/SAT
VIDEO IN
G
-1
P
R
J1501
3P
-2
P
COMPONENT
B
VIDEO OUT
-3
Y
G
C1529
J1502
1000p
C1525
1P
22p
VIDEO OUT
G
C1530
1000p
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