Advertisement
G
U1
H
U5
I
U4
J
U6
K
U18、U21、U22 AZ1117H-1.8TRE1
L
U20
M
U19 、U24
N
U23
O
U26
P
U30
Q
U25
R
U28、U29
S
U35
T
U9
U
U33
V
U15
5. Waveforms at key points
(1)RF inputting color bar signal, Composite Video Signal waveform at pin 14 of tuner U15, the
waveform at pin 169 of U1（SVP-CX32LF） is alike:
(2)RF inputting color bar signal, I²C bus clock signal SDA, pin 5, 6 of U31, pin 6 of U16, pin 39
of U35, pin 58 of U4, pin 40 of U30, pin 57 of U1, pin 4 of tuner U15:
SVP-CX32LF
SST39VF040-70-4C-N
HE
T5BS4-9999
74ALVC573PW
AZ1084S-3.3TRE1
AZ1117H-3.3TRE1
AZ78L08ZTR-E1
CS4344-CZZ
ANX9011L
AT24C02BN-10SU-1.8 EEPROM
Rclamp0514M.TBT
STV-8217
74HCT4052D
TDA8944J
JS-6H2/121
Video decoding, image processor, A/D and
D/A conversion
Flash MEMORY ， storing whole machine
control program
MCU，mainly control IC
Address latch，for latching and extending the
address line
3.3V to 1.8V DC-DC Converter
5V to 3.3V DC-DC Converter
5V to 3.3V DC-DC Converter
12V to 8V DC-DC Converter
HDMI
digital
audio
conversion
HDMI
decoding,
reproduction
HDMI signal ESD protective device
Sound Processor
AV input sound passage switcher
2X7W Sound Amplifier（BTL Output）
Tuner
decoding
and
D/A
HDTV
video/audio
33
Advertisement
