LG GSA-5163D Service Manual page 37

Block Diagram
*3300p
Lo-Z Function by IDGATE
.
fast mode „ = 3.3us .
(Ri=1k/20k switch)
0.068u
RFIP
77
RFIN
78
0.068u SUMF2
to WRF
IP1/LFPOUT/AWOBSIGD
48
D
IP2/MIRR
47
D
SLEO/LPPMON
64
SLEI/LPPSIG
63
2,200p
MA
95
MB
96
MC
97
MD
98
SA
85
SB
86
SC
87
SD
88
TRP
90
TRN
91
FOP
92
FON
93
83
HAVC
pick-up I/F
84
HAVC2
reference level
WBLSH
35
MPDSH/
SPDSH
34
D
LO_ZB/SPDSH
WRFIP/LPSIN1
99
WRFIN/LPSIN2
100
WRFIS
1
79 SRVREF
power 3.3V
20k(*1)
81
IREFT
82 VREF1
80 FVREFO
MRSTB
56
D
SDEN
55
D
53 SCLK
D
SDATA
57
D
WGATE
36
D
RLDON
37D
33 WFPDSH
D
32 RFPDSH
D
FVREF
13
D
FMD
14
D
In the case of
analog APC
*3300p/0.068u
44D
76
RF SUM/SUB
HP2
(RGA) SUBP,N
M
U
X
M
U
ID
X
MIRR
M
DET
U
X
2
Pick
S/H
WOB
I/F
4
S/H
main
4
S/H
sub
to TE
2
TRP/
TRN
2
S/H
FOP/
FON
MUX
pin
SUMF2
WRF
VHALH(=VDD/2)
VREF1(=2.1V)
VREF
FVREF0(=2.5V)
Power
Serial
Cont.
Cont.
Reg
APC
CGAOUT
PWWMON
BHOUT
18 19
20 16 16 10 27 20
D
analog power 3.3V
*3300p/0.1u
0.47u
45D 43D 42D 73 74 72 71
RF
HP3
AGC
SLEW
Wobble
AGC1
SUB
AGC2
TRP/N
DPD
PE
SHPE
RRF
HFSUM
HFPE
HFSB
HFSB
LPSIN1
LPSIN2
M
WRF
U
X
SAV
EQOP/N
IP2/MIRR pin
MIRR
BPO
57 38 12 15 89 94
Digital power 3.3V
RF power 3.3V
12k
MREF1
(*2)
4700p
66 65
molk
to MIRR DEFECT
RF
EQ-
AUTO
EQ
EQOS
LPPMON/EQOS/RRF/WRF
molk
LPP
molk
WOEFCF
F0-CNT.
AWOESIG
COMP
WOBSIG
BPF
AGC3 COMP
BPO
LNDTRK
TE
BALANCE
to LE
MPP SPP
FE
BALANCE
MPP
LPS_B/
SPP ADIN0
LE&LPS
SVCLK
SVSYNC
LE/LPS_A
TZC
molk
RECD
RECD
BLANK
MIRRTOPH
MIRRBOTH
MIRRHPF
MIRR
DEFECT
RFHLD/TISH1 pin
TIE SPBLVL/TISH2
SPBLVL
LO_ZB/SPDSH
R-OPC PHBETA/TCE
BHBETA/TIE
OPC
BCENT
RFHLD/TISH1 pin
each blocks
SIGM
70 67 17 75
analog power 5V
... Combined pin
D ... digital pin
... digital/analog pin
D/A
EQOR
69
EQON
68
ATEST
25
BHC 23
15.000p
VREF1
24
0.15u
26
VREF1
to A/D
45
0.1u
D
*HPF fo=1KHz
WAG3
23
WAG1
21
WAG2
22
0.1u
0.12u
0.12u
30
D
TE
5
to LPF A/D
FE
to LPF A/D
4
PE/
5
to LPF A/D
ADIN1
3
to LPF A/D
51
D/A
52
D
2
to LPF A/D
TEIN
0.47u
TZC
39
D
MCLK
49
D/A
41
D
60
0.033u
59
58
0.033u
0.1u
62
TOPH
0.068u
61 0.033u
BOPH
DFT
50
D
31
D
10
to LPF A/D
11
to LPF A/D
9
to LPF A/D
8
SIGM
to LPF A/D
(*1)(*)...1% Resister
46