Sony RDR-GX300 Service Manual page 88

RDR-GX300/GX700
Q Q
3 7 6 3 1 5 1 5 0
For Schematic Diagram
• Refer to page 4-6 for waveforms.
2
1
TX-003 BOARD
A
TELETEXT DIP
-REF.NO.:10000 SERIES-
B
C
TO
AV-84 BOARD(5/8)
CN1001
(SEE PAGE 4-15)
T E
L 1 3 9 4 2 2 9 6 5 1 3
D
E
16
w w w
TELETEXT DIP
TX-003
3 4
L1001
10uH
B+
C1002
47u
16V
CN1000
9P
JL1000 B+ B+
SW3.3V 1
JL1001 B+
SW5V 2
C1003
JL1002
47u
UVICV 3
16V
JL1003
GND 4
JL1004
L1000
N.C 5
10uH
JL1005 B+
RESET5V 6
JL1006
IT_SDA 7
C1001
JL1007
10u
IT_ENABLE 8
50V
JL1008
IT_SCL 9
C1000 C1009
47u 0.01u
16V
B+
5.1
Q1003
2SK1399-T1B
SWITCH
x a o
y
. i
4-75
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5 6
IC1000
2.5V REG
L1003
C1004
C1005
10uH
1u
IC1000 MM1562FFBE 470p
B
50V
10V
3.3 1.2
L1004
VCONT CN
10uH
GND
SUB
C1011
NC
47u
2.5
B+
3.3
16V
VIN VOUT
C1010
2.2u
B
6.3V
Q1000
2SD601A-QRS-TX
SWITCH
R1004
R1009
33k 5.1
R1025 330
R1002
0 0
R1006 L1002
2.3
8.2uH
100
Q Q
R1005 1.7
3 7 6
33k
B
R1010
R1007
50V
470 10k
C1006
150p
50V
R1013 R1008 R1012
4700 4700
4700
3.3
3.3 5.0 3.3
Q1001
2SK1399-T1B
SWITCH 3.3 5.1 3.3
Q1002
2SK1399-T1B
SWITCH 3.3
R1019 R1014
R1011
4700 4700 4700
u 1 6 3
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2 4
8 9 9
7 8 9
IC1001
TELETEXT DIP
B+
B+
IC1001 SDA555XFL
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
C1016
P0.7
0.01u
2.5
F
VDD2.5
50V
VSS
C1012 C1020
3.2
47u 0.01u
VDD3.3
16V F
R1.1
JL1013
50V P0.3
CVBS BLANK/COR
C1017
2.5
0.01u
VDDA2.5
F
50V
VSSA
P2.0(CS0)
P2.1(CS1)
P2.2
1
P2.3
HS/SSC
C1007
0.1u
VS
B
P3.0
3 1 5 1 5 0 8 9 2
3.3
P3.1(SDA)
3.3
P3.2(SCL)
3.3
P3.3(ENABLE)
P3.4
P3.5
B+
m
c o
.
4-76
2
8 9 9
10
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
C1013
3.2
0.01u
VDD3.3
F
50V
VSS
2.5 C1014
0.01u
VDD2.5
F
50V
B
C1050
G
0.01u
F
R
50V
2.5
VDDA2.5
VSSA C1018
0.7 22p
XTAL1
50V
0.4
C1019
R1020
XTAL2
X1000 22p
10k
3.1
6MHz 50V
XRST
P4.3 R1021
4 9 8 2 9 9
15k
P4.2
C1015
3.2
0.01u
VDD3.3
F
50V
VSS
JL1012
P3.7
P3.6