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LG GWA-4164B Service Manual page 55

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• Pin Assignment
Pin no.
Pin Name
1
GND3
2
ROPCIN
3
APCAAF1
4
APCAAF2
5
APCAAF3
6
CPCAPH
7
CPCABH
8
NC
9
STMD
10
STMDN
11
N.C
12
CBDOF
13
CBDOS
14
CHPOFT
15
COFTR
16
VCC6
17
VHALF
18
CTC
19
CXDPH1
20
CXDPH2
21
SEO1
22
SEO2
23
MOUT0
24
MOUT1
25
MOUT2
26
GND1
27
PO0
28
PO1
29
PO2
30
PO3
31
PO4
32
PO5
33
PO6
34
PIO0
35
PIO1
36
PIO2
37
PIO3
38
PIO4
39
STMOUT
40
TC
Type
Function
PS
Ground pin for APC/OPC & ASENV
I
Input pin after OPC addition
I
Capacitor connection pin for APC mark system AAF
I
Capacitor connection pin for APC average DC detection system AAF
I
Capacitor connection pin for APC bottom detection system AAF.
O
External capacitor connection pin for PCA peak hold.
O
External capacitor connection pin for PCA bottom hold.
-
-
I
PD input pin for STM
I
PD input pin for STM
-
-
I
Capactitor connection pin for BDO detection Fast Peak Env.
I
Capacitor connection pin for BDO detection LPF
O
External capacitor connection pin for OFTR HPF
I
External capacitor connection pin for OFTR
PS
Power supply pin for DPD & internal current source power supply pin(3.3V)
O
1/2 VCC(3.3V) output pin
I
Capacitor connection pin for TE binary floating
I
PH capacitor connection pin 1 for LPOS
I
PH capacitor connection pin 2 for LPOS
O
Output pin 1 after selection of each error signal
O
Output pin 2 after selection of each error signal
I
Analog monitor 0
I/O
Analog monitor 1
I/O
Analog monitor 2
PS
Ground pin for INPUT MATRIX/SERVO/VREF/DPD
O
CMOS output pin 0
O
CMOS output pin 1
O
CMOS output pin 2
O
CMOS output pin 3
O
CMOS output pin 4
O
CMOS output pin 5
O
CMOS output pin 6
I/O
CMOS input pin or output pin 0
I/O
CMOS input pin or output pin 1
I/O
CMOS input pin or output pin 2
I/O
CMOS input pin or output pin 3
I/O
CMOS input pin or output pin 4
O
Encoder circuit comparator output
O
Track cross signal output
59

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