Schematic Diagram -Video Section - Sony HCD-GZR88D Service Manual

HCD-GZR88D/GZR99D
6-23. SCHEMATIC DIAGRAM – VIDEO Section –
1 2
VIDEO BOARD
A
CN1500
7P
CL926
CR 7
R1501 0
CL925
DGND 6
CL924
DMB19
CB 5
R1502 0
BOARD CL923
F
DGND 4
(2/4)
CL922
B
Y 3
CN1104
R1503 0
CL921
(Page 42)
DGND 2
CL920
1
CVBUS OUT
C
D
CN1501
5P
CL928
SW B 1
CL929
MAIN
SW A 2
CL930
BOARD
J
I/P SW 3
(1/3)
CL931
V-MUTE 4
CN511
CL932
(Page 46)
D-GND 5
FB001
E
(Page 48)
MAIN
BOARD
JW1500
CN1504
(3/3)
3P
CN912 C1500
CL935
R1500
100
V+5V(Driver) 1
K 0
10V
CL936
VGND(Driver) 2
CL937
Q
F LCD VIDEO 3
LCD CTRL
BOARD
CN002
(Page 63)
HCD-GZR88D/GZR99D
• See page 72 for IC Block Diagrams.
3 4 5
IC1500
C1504
IC1500
1
TC74LVX4051FT
50V
VIDEO SELECTOR
R1509
10k
0
GND
SEL C
R1510 100 0
VEE
SEL B
R1511 100 3.2
INH
SEL A
C1501 1 50V
2.3
D3 D5
2.3
D0 D7
2.3
COM
D1
2.3
D6
D2
5
VCC D4
R1512
100k
R1506 R1507 R1508
100k 100k 100k
R1504
C1503
10k R1505
10
10k
50V
6 7
IC1501
MM1758AFBE
C1507
COMPONENT VIDEO AMP
1
50V
2.2
CR IN GND2
3.2
C1508 MUTE2
R1518
1 50V
2.2
0
CB IN
CLP
1.3
CY IN
C1509
R1520 100
IC B/D
3.2
1
I/P
50V C1510 0.1
2.4
C1512
BIAS
C1505 22 50V
1 GND1
50V
1.1
Y IN
5
YC MIX
R1513
1.1
100k
2.3 CVBS IN
C1506 R1519 0
3.2
1
2.3 MUTE1
50V
R1514 R1517 10k 0.2
2.3 C IN
100k
R1515
5
2.3 100k VCC1
2.3
R1516
100k
54 54
8 9 10
R1531
75
IC B/D
IC1501
C1516
1000
R1521 R1526
6.3V
CR OUT 75 0
2.5
GND2 C1517
R1522 R1527
1000 6.3V
75 0
2.5
CB OUT
GND2 C1518
R1523 R1528
1000 6.3V
75 0
1.6
CY OUT
1.1
Y OUT
R1524 R1529 C1525
C1519
75 0 22p
GND2 1000 6.3V
CVBS OUT
1.1
C1520
S2
1000
6.3V
S1
C OUT
R1525
75
S-DC OUT
R1530
IC1502
5 0
VCC2
IC1502
C1514
TOTX147L(F,T) C1526
0.1
C1527
OPTICAL TRANSMITTER
1000p
1 3.2
DVD
VCC
2 0
DIGITAL OUT
IN
3
GND
OPTICAL
Mount Mecha LP001 153758461
11
J1500
1P
VIDEO/SAT
G VIDEO IN
C1528
1000p
-1
P /C
R R
J1501
3P
-2
COMPONENT
P B /C B
VIDEO OUT
-3
Y
G
C1529
1000p
J1502
1P
VIDEO OUT
G
C1530
1000p
CN1503
10 3P
50V
CL938
DMB19
1 3.3V
CL939
G BOARD
2 SPDIF
CL940 (2/4)
3 DGND
CN1103
(Page 42)