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LG GWA-4164B Service Manual page 61

Dvd/cd rewritable drive
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• Pin Table
Pin
Pin Name
Number
1
BSMD
2
NBSMD
3
PKMD
4
NPKMD
5
PK2MD
6
NPK2MD
7
PK3MD
8
NPK3MD
9
AVDD33D2
10
LOUT
11
ROUT
12
AVSSD2
13
RV1
14
VREFH
15
AVDD33D1
16
CPOP5
17
CPOP4
18
CPOP3
19
CPOP2
20
CPOP1
21
AVSSD1
22
SEO1
23
SEO2
24
AVSSA
25
AIDENV
WBLDIF
26
AVDD33A
27
REFMDLA
28
REFTOP
29
REFBTM
30
REGDRC
31
EQOUTN
32
EQOUTP
33
AVDD33DRC Power supply Power supply
34
CDA1
35
AVSSDRC
36
PO2
I/O
Connection
Target
O
PU
O
PU
O
PU
O
PU
O
PU
O
PU
O
PU
O
PU
Power supply Power supply
O
Audio AMP
O
Audio AMP
GND
GND
I/O
Res
I
FEP
Power supply Power supply
I/O
Cap.Res
I/O
Cap.Res
I/O
Cap.Res
I/O
Cap.Res
I/O
Cap.Res
GND
GND
I
FEP
I
FEP
GND
GND
I
FEP
Power supply Power supply
O
Cap
O
Cap
O
Cap
O
Cap
I
FEP
I
FEP
O
Cap
GND
GND
I/O
-
Description
BIAS modulation signal differential current output
NBIAS modulation signal differential current output
PEAK1 modulation signal differential current output
NPEAK1 modulation signl differential current output
PEAK2 modulation signal differential current ouptut
NPEAK2 modulation signal differential current ouptut
PEAK3 modulation signal differential current ouptut
NPEAK3 modulation signal differential current ouptut
Analog V
(3.3V) for audio
DD
Analog audio output (Lch)
Analog audio ouput (Rch)
Analog Vss for audio
Fixed current source for LVDS, WBL, and analog blocks
2.2V reference voltage input
WOBBLE analog V
(3.3V)
DD
Filter connection pin for wobble PLL
Filter connection pin for wobble PLL
Filter connection pin for wobble PLL
Filter connection pin for wobble PLL
Filter connection pin for wobble PLL
WOBBLE analog Vpp
Error signal output after selection analog input
Error signla output after selection analog input
Servo analog-to-digital converter analog Vss
TE signal for DVD-RAM
ADIP detector signal input
Servo analog-to-digital converter analog V
Analog-to-digital converter reference voltage for ADIP
Analog-to-digital converter reference voltage for DRC(TOP)
Analog-to-digital converter reference voltage for DRC(BOTTOM)
DRC analog-to-digital converter analog V
RF differential signal (NEG)
RF differential signal (POS)
DRC analog-to-digital converter analog V
Smoothing capacitance for DRC-VCO
DRC analog Vss
CPU external interrupt, general-purpose I/O, laser fault detect
signal
(3.3V)
DD
(1.2V)
DD
(3.3V)
DD
65

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