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Appendix
(3) CLT1554 / CLT2054
AV1
S Video
Composite Video
Audio
AV2
Composite Video
Audio
AV3
Component Video
Audio
TV
(A201)
Tuner
IF
Sound Multiplex
IIC Bus
3
AV1_Y
IC1001
AV1_CV 1
Video SW
TV_CV 5
7
36 37
AV1/TV_Y/CV
(For Caption)
5
AV2_V 1
IC1002
SEL_Y/CV
7
AV3_Y 3
Video SW
AV1_C 90
85
IC2001
DEC_Y/C (0-7)
AV3_Cr 92
Digital Decoder
with
AV3_Cb 94
Y/C Separation
IIC Bus
(480i)
AD_R/G (0-7)
AD_Y 48
IC4101
AD_Cr 54
IIC Bus
A/D Converter
38
AD_Cb 43
IIC Bus
(480p)
30
31
AD_HS
AD_VS
AD_CLAMP
16
28
IC1701
AD_Y 26
Sync Separation
15
R: 1
AV1_L/R
L: 30
10 SEL_R
R: 2
IC001
AV2_L/R
L: 29
R: 3
Audio SW
AV3_L/R
L: 28
Audio Control
R: 4
21
TV_L/R
SEL_L
L: 27
Surround
IIC Bus
IC801
CPU
22
23
18
19
20
21
16
OSD_HD
VD
R
G
B
Y
I
12
10
5V
IC871
OSD_CC
DD Converter
3.3V
13
11
OSD_HD
VD
152
151
150
148
149
154
153
R
G
B
Y
I
IC301
IP Converter
(Y/UV)
Screen Controller
IC361
SDRAM
16 R-OUT (+)
13
IC101
15 R-OUT (-)
Audio AMP
24 L-OUT (+)
9
25 L-OUT (-)
Fig. 35
Block Diagram: CLT1554 / CLT2054
-31-
Training Manual Principle of LCD
IIC Bus
(For 20V)
R/G/B (0-7)
(For 15V)
IC781
R/G/B (0-7)
LVDS
Transmitter
SPEAKER
(Right)
SPEAKER
(Left)
LCD PANEL
(20V)
LCD PANEL
(15V)
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