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LG GWA-4164B Service Manual page 57

Dvd/cd rewritable drive
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Pin no.
Pin Name
76
RFIN2
77
RFIN1
78
HDVREF
79
CWBLBUF
80
VCC2
81
RFOUT
82
CLPPPH
83
CLPPHPF
84
CBPFAGC
85
CWBLCMP
86
AIDENV/WBLDIF
87
CRWAGC
88
CRWCMP
89
CWBLVGA2
90
CWBLVGA1
91
CWAGC2
92
CWAGC1
93
CWBLHPF2
94
CWBLHPF1
95
RFP
96
RFN
97
CDRFP
98
CDRFN
99
CDHPF
100
DLY1
101
DLY2
102
GND2
103
FO1/GIN
104
FO2/HIN
105
TR1
106
TR2
107
TR3
108
TR4
109
N.C
110
N.C.
111
VCC1
112
GND6
113
VREF
114
SVREF
115
VCC3
Type
Function
I
RFAGC signal input pin 2
I
RFAGC signal input pin 1
O
2.2V reference voltage output pin
I
Capacitor connection pin for WBLDIF
PS
Power supply pin for RFGene/RFEQ/WBL/LPP (5.0V)
O
RFGene signal output pin
I
Capacitor connection pin for LPP peak hold
I
Capacitor connection pin for LPPHPF
I
AGC adjustment capacitor connection pin after WBL BPF
I
Floating Capacitor connection pin for VGA before WBL binary
O
ASENV binary output/Differential signal output pin for ADIP detection
I
AGC adjustment capacitor connection pin for +RW
I
Floating Capacitor connection pin for VGA before WBLDIF AGC
I
Floating Capacitor connection pin 2 for VGA before SLR
I
Floating Capacitor connection pin 1 for VGA before SLR
I
AGC adjustment capacitor connection pin 2 for WBL extraction
I
AGC adjustment capacitor connection pin 1 for WBL extraction
I
Capacitor connection pin for N side HPF before WBLAGC
I
Capacitor connection pin for P side HPF before WBLAGC
I
DVD RF differential input + pin
I
DVD RF differential input - pin
I
CD RF differential input + pin
I
CD RF differential input - pin
I
Internal RF additional floating capacitor connection pin
I
Capacitor connection pin 1 for group delay correction
I
Capacitor connection pin 2 for group delay correction
PS
Ground pin for RFGene/RFEQ/WBL/LPP
I
DVD focus signal input pin 1/CD sub signal input pin 3
I
DVD focus signal input pin 2/CD sub signal input pin 4
I
DVD tracking signal input pin 1
I
DVD tracking signal input pin 2
I
DVD tracking signal input pin 3
I
DVD tracking signal input pin 4
-
-
-
-
PS
Power supply pin for INPUT MATRIX/SERVO/VREF (5.0V)
PS
Ground pin for BG
O
1.65V reference voltage output pin
I
OEIC signal reference level input pin
-
Power supply pin for APC/OPC&ASENV(5.0V)
61

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