3.2
each information flow
3.2
.
1 TV
Tuner demodulation
1
CVBS
TEA6425 video switch
17
74
VPC3230 识
Identify color system
VPC3230 decode 解码
Not NTSC
When NTSC,
Change the video switch by bus
16
uPD64083 comb filter
88
NTSC video
Sync
separate
83
84
73
71
Y
C
PW1235 I channel
SV
Digital video and clock
PW113
SCALER
LVDS output
DS90C383
D
SDRAM
BUFF
ER
PW1235E
LVDSON
MSP3410G
FmorNICAM
demodulation
SRS(WOW)
sound
disposal
67
SIF
MUTE
27
28
S1
S0
TA2024 sound
amplifier
RF
controlled by Q3
6、LVDSON control
5、PW1235Econtrol
High enable
BUFFER and polarity
4、sound switch
S0、S1
SO S1
D/K 1 0
BG 1 1
I 0 1
M 0 0
Low is power ON
3 MUTE high mute
Main control signal
1、RST1#
High enable
2、STANBY control
30
Summary of Contents for H-PDP4201
Page 14: ...PW113 Block Diagram 14 ...
Page 18: ...18 ...
Page 19: ...PW1235 Block Diagram 2 2 5 TA2024 general 19 ...
Page 23: ...DS90CF383 Block Diagram 23 ...
Page 26: ...26 ...
Page 51: ...Annex 1 装配图 51 ...
Page 52: ...Annex 2 52 ...