LG GWA-4161B Service Manual page 43

• Pin Assignment
Pin no. Pin Name
1 GN3
2 ROPCIN
3 APCAAF1
4 APCAAF2
5 APCAAF3
6 CPCAPH
7 CPCABH
8 NC
9 STMD
10 STMDN
11 CSTM
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
- 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 Capacitor connection 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
- 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 Peak Env capecitor connection pin 1 for LPOS
I Peak Env capecitor 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
- 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
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