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Major Ic Internal Block Diagram And Pin Description - LG CED-8083B Service Manual

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MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION

IC401 (CXA2551R) : RF Signal Processor for CD-R/RW
Block Diagram
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
BH01
76
PHC1
77
BHC1
78
RZC
79
80
RECD2
81
RECD1
82
BETAOUT
83
PHC2
84
BHC2
85
RRFIN
86
RRF
87
GND
88
MCLK
89
VCC
90
WRF
91
MPP
92
HIN
93
GIN
94
FIN
95
EIN
96
HAVC
97
DIN
98
CIN
99
BIN
100
AIN
1
2
RFEO
S/H MATRIX
CE
3 4
5 6
7 8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
MPX
RFRP
APC
OPAMP
FE TE
REGISTER
VC
BIAS
ATIP
50
WLDON
49
ERGCNT
48
SCLK
47
SDATA
46
XLAT
45
DVCC
44
DGND
43
ROPCSH
42
MPDSH
41
SPDSH
40
WBLSH
39
REPDSH
38
WFPDSH
37
DSPVCC
36
BGIREF
35
VTIREF
34
VCC
33
VC
32
DVC
31
GND
30
VCT1
29
VCT2
28
CNT_VC
27
CAV_CNT
26
ATFG
31

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