Table of Contents
Advertisement
4-1. BLOCK DIAGRAMS (1)
ANALOG IF
DIGITAL IF 2
DIGITAL IF 1
CN2022
17
IF DIGITAL -
18
IF DIGITAL +
12
AGC DIGITAL
7
TUNER 12C SW
10
12C SDA OFDM
9
12C SCL OFDM
22
V-YUV
24
U-YUV
26
Y-YUV
2
5V
20
CVBS TUNER
28
CVBS2 OUT
30
CVBS2 IN
31
MODE 2
32
AV LINK
TO BDT BOARD
33
FBLK 2
CN3005
34
B2
36
G2
38
R2
1
8.5V
4
33V
40
CVBS1 OUT
42
CVBS1 IN
43
MODE 1
44
FBLK 1
45
B1
47
G1
49
R1
14
12C SCL
15
12C SDA
CN2021
19
VIDEO OUT
7
BLUE IN
8
MODE 1
11
GREEN IN
15
RED IN
SCART 1
16
BLANKING
AV 1
20
VIDEO IN
6
LEFT IN
2
RIGHT IN
3
LEFT OUT
1
RIGHT OUT
All manuals and user guides at all-guides.com
TU1300
TUNER BLOCK
TUNER
ANALOG AGC SW
TU AGC
12C SCL SW
SCL
12C SDA SW
SDA
33V
33V
33V
+5VA
5V
5V
IF ANALOG
IF AGC DIGITAL
IF AGC
IC1000
IF DIGITAL +
ANALOG MULTIPLEXER/
5V
DEMULTIPLEXER
STBY
IF DIGITAL -
ANALOG AGC SW
5V
4
Z
VCC
16
12C SCL SW
ANALOG AGC
15
Y
Z1
3
12C SDA SW
14
X
TUNER 12C SW
9
C
TUNER 12C SW
10
B
TUNER 12C SW
A
11
12C SDA OFDM
X0
12
12C SCL OFDM
Y0
2
SDA 5V
13
X1
SCL 5V
1
Y1
TUNER SWITCH
+5VA
V OUT 2 B
V IN 2
MODE 2
AV LINK
BLK 2
BLUE 2
GREEN 2
RED 2
8.5V
33V
V OUT 1 B
V IN 1
MODE 1
BLK 1
BLUE 1
GREEN 1
RED 1
V OUT 1 B
Q2005
BUFFER
Q2004
AMP
BLUE 1
MODE 1
GREEN 1
RED 1
BLK 1
V IN 1
SC1 IN L
SC1 IN R
SC1 OUT L
SC1 OUT R
SW1201
FILTER
SURFACE WAVE
D1200
L1
01
RECTIFIER
IC1200
L2
02
IF-PLL
DEMODULATOR
Q1201
22
OP/2
Q1203
SWITCH
VIDEO
17
SW1200
AMPLIFIER
SAW FILTER
Q1202
1
4
24
S1 F
Q1204
SWITCH
OP/1
3
BUFFER
5
23
S1 F
10
6
1
V1 F
7
2
V1 F
VCD
15
X1200
14
TU AGC
SDA 5V
10
SDA
SCL 5V
QSS
Q1200
12
11
SCL
SWITCH
CVBS ANALOG RF
VIDEO SCART 2
AV SCART 1
TUNER, I/O
CONNECTIONS &
A/V SWITCHING
- 27 -
ANALOG IF BLOCK
AUDIO SWITCH
IC2000
4 CHANNEL
ANALOG
MULTIPLEXER/
DEMULTIPLEXER
PC-R
8.5V
16
VDD
X3
11
PC-L
Y3
4
AUX-MUX-CTRL-B
Q2000
9
B
SWITCH
DV1 L
Y2
2
AUX-MUX-CTRL-A
Q2001
Q1205
10
A
SWITCH
DV1 R
AMPLIFIER
X2
15
AUX-MUX-OUT-R
13
X
C1226
AUX-MUX-OUT-L
L1201
3
Y
L-YUV
L-YUV
TUNED
SC2-IN-L
5
CIRCUIT
1
Y0
Y1
SC2-IN-R
R-YUV
R-YUV
12
X0
X1
14
U-YUV
AV SCART 2
V-YUV
Y-YUV
AUX-MUX-OUT-R
AUX-MUX-OUT-L
AUX-MUX-CTRL-B
AUX-MUX-CTRL-A
QSS
AGC DEFEAT
5V STBY
SC1 IN L
L1 IN
SC1 IN R
R1 IN
SC1 OUT L
L1 OUT
SC1 OUT R
R1 OUT
SC2 OUT L
L2 OUT
SC2 OUT R
R2 OUT
LINEOUT R
LINEOUT L
OUT L
OUT R
SC2 OUT R
RIGHT OUT
SC2 IN R
RIGHT IN
SC2 OUT L
LEFT OUT
SC2 IN L
LEFT IN
V OUT 2 B
Q2003
Q2002
VIDEO OUT
BUFFER
AMPLIFIER
AV LINK
BLUE 2
MODE 2
GREEN 2
RED 2
BLK 2
V IN 2
J2023
PC
CONNECTION
J2022
DV1
L
CONNECTOR
R
J2024
EXTERNAL
CONNECTOR
CN2024
4
5
6
7
8
1
2
16
TO BDT BOARD
CN3006
17
19
20
13
14
10
11
J2021
L
AUDIO OUT
R
CN2023
1
2
3
6
19
10
SCART 2
AV 2
7
8
11
15
16
20
Advertisement
Table of Contents
