LG LAC6700R, Service Manual

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2-18
5-3. PIN DESCRIPTION
Pin
N#
Pin Name Function I/O
1 ACOUTR / AC2OUTR AC coupling right output / HPF filter AC2OUT right channel O
2 ACINR / FILOR AC coupling right input / HPFfilter FILO right channel I/O
3 ACINL / FILOL AC coupling left input / HPF filter FILO left channel I/O
4 ACOUTL / AC2OUTL AC coupling left output / HPF filter AC2OUT left channel O
5 SE3L / ACINL Single-ended input 3 left channel / AC coupling left input I
6 SE3R / ACINR Single-ended input 3 right channel / AC coupling right input I
7 SE2L Single-ended input 2 left channel I
8 SE2R Single-ended input 2 right channel I
9 SE1L Single-ended input 1 left channel I
10 SE1R Single-ended input 1 Right channel I
11 DIFFL Pseudo differential stereo input left I
12 DIFFG Pseudo differential stereo input common I
13 DIFFR Pseudo differential stereo input right I
14 CREF Reference capacitor O
15 GND Ground S
16 OUTSW / OUTLR2
Subwoofer output / 2
nd
rear left output
O
17 OUTRF Front right output O
18 OUTRR Rear right output O
19 OUTLR Rear left output O
20 OUTLF Front left output O
21 MUTE External mute pin I
22 SCL I2C bus clock I
23 SDA I2C bus data I/O
24 VDD Supply S
25 SAIN Spectrum analyzer clock input I
26 SAOUT Spectrum analyzer output O
27 VREF Vref output O
28 MIX / OUTSW / OUTRR2 Mix input / Additional subwoofer output / 2
nd
rear right output
I/O
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