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41
I/O
–
–
I
–
–
No.
76
77
78
79
80
Name
NC
VBM
QSI
VBA
AGND
Function
–
Bias for MPX, clamp 2
Q color signal input
Bias for AD1, AD2
Analog ground
3. BLOCK DIAGRAM
1/2
MPX
&
CLAMP2
1/456
1/2
1/2
VCO2
1/2
1/2
I
2
C BUS
DECODER
VCO1
VSS5(VCO2)
VSS4(VCO1)
VDD4(VCO1)
VSS(Digital)
VDD(Digital)
VDD(Digital)
VBM
VRA2
VBA
VRA1
VBC
VSS1(AD)
VDD1(AD)
VLM
HDF
HDI
VDI
VSS(Digital)
VDD5(VCO2)
CLAMP1
AD2
AD1
TEST
CIRCUIT
TIMING
CONTROLER
LINE MEMORY (624x8)
LINE MEMORY (624x8)
DA1
VDD2(DA1)
VSS2(DA1)
VBD1
VBD2
VRD2
VBD3
HBL(TMO8)
VBL(TMO7)
HRF(TMO6)
VMO(TMO5)
SPT(TMO4)
QSL(TMO3)
ISL(TMO2)
VDP(TMO1)
ACP(TMO0)
SCL
NCS(TDI7)
SE42(TDI6)
BCP(TDI5)
VRD1
VBD4
YSO
Y
DA2
DA3
LINE MEMORY (1248x8)
LINE MEMORY (1248x8)
POST
FILTER
ISO
I
POST
FILTER
VDD3(DA2&3)
VSS3(DA2&3)
QSO
Q
POST
FILTER
QSI
ISI
I
PRE
FILTER
YSI
Y
PRE
FILTER
Q
PRE
FILTER
TST
RCK
WCK
TDI
SDA
SCL
VFL2
FILTER
VFL1
FILTER
Fig. 5-3 TC9097F system block diagram