XOCECO LC32U5D, Service Manual

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10
IC block diagram
TVP5147
Composite and S-Video Processor
Y/C
Separation
5-line
Adaptive
Comb
Luma
Processing
Chroma
Processing
M
U
X
CVBS/Y
C/CbCr C
Y
Output
Formatter
Y[9:0]
VBI
Data
Processor
Copy
Protection
Detector
C[9:0]
Host
Interface
Timing Processor
With Sync Detector
VI_1_A
VI_1_B
VI_1_C
VI_2_A
VI_2_B
VI_2_C
VI_3_A
VI_3_B
VI_3_C
VI_4_A
CVBS/
Y
CVBS/
C/Pb
CVBS/
C/Pr
CVBS/Y
CVBS/Y
Analog
Front End
Sampling
Clock
GPIO
HS
/CS
VS
/V
B
L
K
FI
D
AV
ID
XT
A
L
1
XT
A
L
2
DA
TA
C
L
K
RE
S
E
T
B
GL
C
O
PW
D
N
SC
L
SD
A
YCbCr
Clamping
AGC
2 11-Bit
ADC
80: AV OUT
2: TV-V input
7: AV1-V input
9: AV2-V/S-Y input
18: S-C input
29: SDA
28: SCL
40: CLK output
43-47, 50-52: CCIR656 format signal output
4, 5, 20, and 21: 3.3V-A power supply
38, 48, 61: 3.3V-D power supply
11, 25, 76: 1.8V-A power supply
31, 41, 55, and 67: 1.8V-B power supply