diff --git a/hardware_design/pcb/Voicecard-SMRMU-v02.brd b/hardware_design/pcb/Voicecard-SMRMU-v02.brd
index dd00218..571e34c 100644
--- a/hardware_design/pcb/Voicecard-SMRMU-v02.brd
+++ b/hardware_design/pcb/Voicecard-SMRMU-v02.brd
@@ -7,7 +7,7 @@
 <setting keepoldvectorfont="yes"/>
 <setting verticaltext="up"/>
 </settings>
-<grid distance="25" unitdist="mil" unit="inch" style="lines" multiple="2" display="yes" altdistance="5" altunitdist="mil" altunit="mil"/>
+<grid distance="25" unitdist="mil" unit="mil" style="lines" multiple="2" display="yes" altdistance="5" altunitdist="mil" altunit="mil"/>
 <layers>
 <layer number="1" name="Top" color="4" fill="1" visible="yes" active="yes"/>
 <layer number="2" name="Route2" color="1" fill="3" visible="no" active="no"/>
@@ -60,7 +60,7 @@
 <layer number="49" name="Reference" color="7" fill="1" visible="no" active="yes"/>
 <layer number="50" name="dxf" color="7" fill="1" visible="no" active="yes"/>
 <layer number="51" name="tDocu" color="7" fill="1" visible="yes" active="yes"/>
-<layer number="52" name="bDocu" color="7" fill="1" visible="yes" active="yes"/>
+<layer number="52" name="bDocu" color="7" fill="1" visible="no" active="yes"/>
 <layer number="53" name="tGND_GNDA" color="7" fill="9" visible="no" active="no"/>
 <layer number="54" name="bGND_GNDA" color="1" fill="9" visible="no" active="no"/>
 <layer number="56" name="wert" color="7" fill="1" visible="no" active="yes"/>
@@ -61284,9 +61284,9 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <attribute name="SPICEPREFIX" value="R" x="23.9395" y="33.02" size="1.778" layer="27" rot="R90" display="off"/>
 <attribute name="VALUE" x="25.3365" y="32.385" size="0.8128" layer="27" font="vector" rot="R90"/>
 </element>
-<element name="Q1" library="jhbruhn-transistor" package="SOT23-BEC" value="2N3906" x="29.845" y="48.26" smashed="yes" rot="R180">
-<attribute name="NAME" x="29.21" y="50.165" size="0.8128" layer="25"/>
-<attribute name="VALUE" x="31.75" y="51.435" size="1.27" layer="27" rot="R180"/>
+<element name="Q1" library="jhbruhn-transistor" package="SOT23-BEC" value="2N3906" x="21.59" y="54.229" smashed="yes" rot="R270">
+<attribute name="NAME" x="19.685" y="53.594" size="0.8128" layer="25" rot="R90"/>
+<attribute name="VALUE" x="18.415" y="56.134" size="1.27" layer="27" rot="R270"/>
 </element>
 <element name="Q4" library="jhbruhn-transistor" package="SOT23-BEC" value="2N3906" x="20.32" y="26.67" smashed="yes" rot="R90">
 <attribute name="NAME" x="18.415" y="24.765" size="0.8128" layer="25"/>
@@ -62370,14 +62370,13 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="105.6" y1="53.15" x2="102.87" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="102.87" y1="55.88" x2="96.52" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="94.107" y1="47.41" x2="96.52" y2="49.823" width="0.4064" layer="1"/>
-<wire x1="19.05" y1="55.88" x2="33.655" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="33.655" y1="55.88" x2="44.45" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="44.45" y1="55.88" x2="53.975" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="53.975" y1="55.88" x2="73.66" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="73.66" y1="55.88" x2="96.52" y2="55.88" width="0.4064" layer="1"/>
 <wire x1="18.923" y1="47.41" x2="17.78" y2="48.553" width="0.4064" layer="1"/>
-<wire x1="17.78" y1="54.61" x2="19.05" y2="55.88" width="0.4064" layer="1"/>
-<wire x1="17.78" y1="48.553" x2="17.78" y2="54.61" width="0.4064" layer="1"/>
+<wire x1="19.05" y1="56.515" x2="17.78" y2="55.245" width="0.4064" layer="1"/>
+<wire x1="17.78" y1="48.553" x2="17.78" y2="55.245" width="0.4064" layer="1"/>
 <wire x1="34.4805" y1="47.41" x2="33.9942" y2="47.41" width="0.4064" layer="1"/>
 <wire x1="33.9942" y1="47.41" x2="33.1442" y2="48.26" width="0.4064" layer="1"/>
 <via x="33.1442" y="48.26" extent="1-16" drill="0.35"/>
@@ -62389,8 +62388,8 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="67.945" y1="43.24" x2="67.945" y2="45.085" width="0.4064" layer="1"/>
 <wire x1="69.088" y1="46.228" x2="69.088" y2="47.41" width="0.4064" layer="1"/>
 <wire x1="67.945" y1="45.085" x2="69.088" y2="46.228" width="0.4064" layer="1"/>
-<via x="73.66" y="52.07" extent="1-16" drill="0.35"/>
-<wire x1="73.66" y1="52.07" x2="73.66" y2="47.625" width="0.4064" layer="1"/>
+<via x="73.66" y="53.34" extent="1-16" drill="0.35"/>
+<wire x1="73.66" y1="53.34" x2="73.66" y2="47.625" width="0.4064" layer="1"/>
 <wire x1="73.66" y1="47.625" x2="73.66" y2="46.355" width="0.4064" layer="1"/>
 <wire x1="75.311" y1="47.41" x2="73.875" y2="47.41" width="0.4064" layer="1"/>
 <wire x1="73.875" y1="47.41" x2="73.66" y2="47.625" width="0.4064" layer="1"/>
@@ -62415,9 +62414,9 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <via x="44.45" y="39.37" extent="1-16" drill="0.35"/>
 <wire x1="44.45" y1="39.37" x2="44.45" y2="41.91" width="0.4064" layer="16"/>
 <via x="44.45" y="41.91" extent="1-16" drill="0.35"/>
-<wire x1="44.45" y1="41.91" x2="44.45" y2="51.435" width="0.4064" layer="1"/>
-<via x="44.45" y="51.435" extent="1-16" drill="0.35"/>
-<wire x1="44.45" y1="51.435" x2="44.45" y2="55.88" width="0.4064" layer="16"/>
+<wire x1="44.45" y1="41.91" x2="44.45" y2="53.34" width="0.4064" layer="1"/>
+<via x="44.45" y="53.34" extent="1-16" drill="0.35"/>
+<wire x1="44.45" y1="53.34" x2="44.45" y2="55.88" width="0.4064" layer="16"/>
 <via x="44.45" y="55.88" extent="1-16" drill="0.35"/>
 <wire x1="48.045" y1="19.05" x2="43.815" y2="23.28" width="0.4064" layer="1"/>
 <wire x1="55.245" y1="3.175" x2="50.165" y2="3.175" width="0.4064" layer="1"/>
@@ -62426,10 +62425,13 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="53.848" y1="55.753" x2="53.975" y2="55.88" width="0.4064" layer="16"/>
 <via x="53.975" y="55.88" extent="1-16" drill="0.35"/>
 <via x="73.66" y="55.88" extent="1-16" drill="0.35"/>
-<wire x1="73.66" y1="52.07" x2="73.66" y2="55.88" width="0.4064" layer="16"/>
+<wire x1="73.66" y1="53.34" x2="73.66" y2="55.88" width="0.4064" layer="16"/>
 <via x="96.52" y="49.823" extent="1-16" drill="0.35"/>
 <wire x1="96.52" y1="49.823" x2="96.52" y2="55.88" width="0.4064" layer="16"/>
 <via x="96.52" y="55.88" extent="1-16" drill="0.35"/>
+<wire x1="23.495" y1="55.88" x2="22.86" y2="56.515" width="0.4064" layer="1"/>
+<wire x1="22.86" y1="56.515" x2="19.05" y2="56.515" width="0.4064" layer="1"/>
+<wire x1="33.655" y1="55.88" x2="23.495" y2="55.88" width="0.4064" layer="1"/>
 </signal>
 <signal name="N$70">
 <contactref element="R13" pad="2"/>
@@ -62503,20 +62505,23 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <signal name="I_GAIN">
 <contactref element="Q1" pad="C"/>
 <contactref element="IC6" pad="16"/>
-<wire x1="30.945" y1="48.26" x2="30.945" y2="51.265" width="0.254" layer="1"/>
-<wire x1="30.945" y1="51.265" x2="32.385" y2="52.705" width="0.254" layer="1"/>
 <wire x1="84.794" y1="48.8652125" x2="84.794" y2="48.175" width="0.254" layer="1"/>
 <wire x1="84.794" y1="48.175" x2="87.63" y2="45.339" width="0.254" layer="1"/>
-<wire x1="32.385" y1="52.705" x2="80.9542125" y2="52.705" width="0.254" layer="1"/>
-<wire x1="80.9542125" y1="52.705" x2="84.794" y2="48.8652125" width="0.254" layer="1"/>
+<wire x1="79.6842125" y1="53.975" x2="84.794" y2="48.8652125" width="0.254" layer="1"/>
 <wire x1="87.63" y1="45.339" x2="87.63" y2="43.24" width="0.254" layer="1"/>
+<wire x1="24.681" y1="55.329" x2="21.59" y2="55.329" width="0.254" layer="1"/>
+<wire x1="79.6842125" y1="53.975" x2="26.035" y2="53.975" width="0.254" layer="1"/>
+<wire x1="26.035" y1="53.975" x2="24.681" y2="55.329" width="0.254" layer="1"/>
 </signal>
 <signal name="N$68">
 <contactref element="Q1" pad="E"/>
 <contactref element="R6" pad="2"/>
 <wire x1="23.0505" y1="47.41" x2="23.9005" y2="48.26" width="0.254" layer="1"/>
-<wire x1="27.795" y1="48.26" x2="28.745" y2="47.31" width="0.254" layer="1"/>
-<wire x1="23.9005" y1="48.26" x2="27.795" y2="48.26" width="0.254" layer="1"/>
+<wire x1="25.654" y1="48.26" x2="26.162" y2="48.768" width="0.254" layer="1"/>
+<wire x1="26.162" y1="48.768" x2="26.162" y2="52.451" width="0.254" layer="1"/>
+<wire x1="25.484" y1="53.129" x2="22.54" y2="53.129" width="0.254" layer="1"/>
+<wire x1="23.9005" y1="48.26" x2="25.654" y2="48.26" width="0.254" layer="1"/>
+<wire x1="26.162" y1="52.451" x2="25.484" y2="53.129" width="0.254" layer="1"/>
 </signal>
 <signal name="N$60">
 <contactref element="R17" pad="2"/>
@@ -62584,11 +62589,12 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="21.59" y1="45.085" x2="22.225" y2="44.45" width="0.254" layer="1"/>
 <wire x1="22.225" y1="44.45" x2="22.225" y2="43.24" width="0.254" layer="1"/>
 <wire x1="20.955" y1="47.41" x2="20.955" y2="47.7007875" width="0.254" layer="1"/>
-<wire x1="20.955" y1="47.7007875" x2="20.201" y2="48.4547875" width="0.254" layer="1"/>
-<wire x1="20.201" y1="50.046" x2="20.32" y2="50.165" width="0.254" layer="1"/>
-<wire x1="20.32" y1="50.165" x2="27.79" y2="50.165" width="0.254" layer="1"/>
-<wire x1="27.79" y1="50.165" x2="28.745" y2="49.21" width="0.254" layer="1"/>
-<wire x1="20.201" y1="48.4547875" x2="20.201" y2="50.046" width="0.254" layer="1"/>
+<wire x1="20.64" y1="53.129" x2="20.32" y2="52.809" width="0.254" layer="1"/>
+<wire x1="20.32" y1="50.038" x2="19.939" y2="49.657" width="0.254" layer="1"/>
+<wire x1="19.939" y1="49.657" x2="19.939" y2="48.26" width="0.254" layer="1"/>
+<wire x1="19.939" y1="48.26" x2="20.789" y2="47.41" width="0.254" layer="1"/>
+<wire x1="20.789" y1="47.41" x2="20.955" y2="47.41" width="0.254" layer="1"/>
+<wire x1="20.32" y1="52.809" x2="20.32" y2="50.038" width="0.254" layer="1"/>
 </signal>
 <signal name="N$1">
 <contactref element="Q2" pad="E"/>
@@ -62600,11 +62606,11 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="31.43" y1="44.13" x2="31.58" y2="44.13" width="0.254" layer="1"/>
 <wire x1="31.58" y1="44.13" x2="31.58" y2="44.28" width="0.254" layer="1"/>
 <wire x1="31.58" y1="44.28" x2="32.258" y2="44.958" width="0.254" layer="1"/>
-<wire x1="32.258" y1="49.403" x2="34.29" y2="51.435" width="0.254" layer="1"/>
-<wire x1="34.29" y1="51.435" x2="35.56" y2="51.435" width="0.254" layer="1"/>
+<wire x1="32.258" y1="50.673" x2="33.02" y2="51.435" width="0.254" layer="1"/>
+<wire x1="33.02" y1="51.435" x2="35.56" y2="51.435" width="0.254" layer="1"/>
 <wire x1="35.56" y1="51.435" x2="36.576" y2="50.419" width="0.254" layer="1"/>
 <wire x1="36.576" y1="50.419" x2="36.576" y2="49.11" width="0.254" layer="1"/>
-<wire x1="32.258" y1="44.958" x2="32.258" y2="49.403" width="0.254" layer="1"/>
+<wire x1="32.258" y1="44.958" x2="32.258" y2="50.673" width="0.254" layer="1"/>
 </signal>
 <signal name="N$9">
 <contactref element="C7" pad="1"/>
@@ -63035,9 +63041,9 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="101.6" y1="43.18" x2="101.6" y2="53.34" width="0.4064" layer="1"/>
 <wire x1="101.6" y1="53.34" x2="100.33" y2="54.61" width="0.4064" layer="1"/>
 <via x="26.67" y="54.61" extent="1-16" drill="0.35"/>
-<wire x1="26.67" y1="54.61" x2="26.67" y2="46.99" width="0.4064" layer="16"/>
-<via x="26.67" y="46.99" extent="1-16" drill="0.35"/>
-<wire x1="26.67" y1="46.99" x2="26.67" y2="36.83" width="0.4064" layer="1"/>
+<wire x1="26.67" y1="54.61" x2="26.67" y2="53.34" width="0.4064" layer="16"/>
+<via x="26.67" y="53.34" extent="1-16" drill="0.35"/>
+<wire x1="26.67" y1="53.34" x2="26.67" y2="36.83" width="0.4064" layer="1"/>
 <wire x1="26.67" y1="36.83" x2="26.67" y2="34.505" width="0.4064" layer="1"/>
 <wire x1="26.67" y1="34.505" x2="26.035" y2="33.87" width="0.4064" layer="1"/>
 <wire x1="106.68" y1="38.1" x2="101.6" y2="43.18" width="0.4064" layer="1"/>
@@ -63050,9 +63056,9 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="40.64" y1="39.37" x2="40.64" y2="43.18" width="0.4064" layer="16"/>
 <wire x1="40.64" y1="43.18" x2="41.91" y2="44.45" width="0.4064" layer="16"/>
 <via x="41.91" y="44.45" extent="1-16" drill="0.35"/>
-<wire x1="41.91" y1="44.45" x2="41.91" y2="50.8" width="0.4064" layer="1"/>
-<via x="41.91" y="50.8" extent="1-16" drill="0.35"/>
-<wire x1="41.91" y1="50.8" x2="41.91" y2="54.61" width="0.4064" layer="16"/>
+<wire x1="41.91" y1="44.45" x2="41.91" y2="53.34" width="0.4064" layer="1"/>
+<via x="41.91" y="53.34" extent="1-16" drill="0.35"/>
+<wire x1="41.91" y1="53.34" x2="41.91" y2="54.61" width="0.4064" layer="16"/>
 <via x="41.91" y="54.61" extent="1-16" drill="0.35"/>
 <wire x1="52.705" y1="38.04" x2="52.705" y2="40.005" width="0.4064" layer="1"/>
 <wire x1="52.705" y1="40.005" x2="53.34" y2="40.64" width="0.4064" layer="1"/>
@@ -63061,17 +63067,17 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="57.15" y1="40.64" x2="58.42" y2="41.91" width="0.4064" layer="16"/>
 <wire x1="58.42" y1="41.91" x2="58.42" y2="43.18" width="0.4064" layer="16"/>
 <via x="58.42" y="43.18" extent="1-16" drill="0.35"/>
-<wire x1="58.42" y1="43.18" x2="58.42" y2="51.435" width="0.4064" layer="1"/>
-<via x="58.42" y="51.435" extent="1-16" drill="0.35"/>
-<wire x1="58.42" y1="51.435" x2="58.42" y2="54.61" width="0.4064" layer="16"/>
+<wire x1="58.42" y1="43.18" x2="58.42" y2="49.53" width="0.4064" layer="1"/>
+<via x="58.42" y="53.34" extent="1-16" drill="0.35"/>
+<wire x1="58.42" y1="49.53" x2="58.42" y2="53.34" width="0.4064" layer="1"/>
+<wire x1="58.42" y1="53.34" x2="58.42" y2="54.61" width="0.4064" layer="16"/>
 <via x="58.42" y="54.61" extent="1-16" drill="0.35"/>
 <wire x1="55.88" y1="49.237" x2="56.222" y2="49.237" width="0.4064" layer="1"/>
-<wire x1="56.222" y1="49.237" x2="58.42" y2="51.435" width="0.4064" layer="1"/>
 <wire x1="71.12" y1="49.11" x2="72.2825" y2="50.2725" width="0.4064" layer="1"/>
 <wire x1="72.2825" y1="50.2725" x2="72.39" y2="50.38" width="0.4064" layer="1"/>
-<wire x1="72.39" y1="50.38" x2="72.39" y2="50.8" width="0.4064" layer="1"/>
-<via x="72.39" y="50.8" extent="1-16" drill="0.35"/>
-<wire x1="72.39" y1="50.8" x2="72.39" y2="54.61" width="0.4064" layer="16"/>
+<wire x1="72.39" y1="50.38" x2="72.39" y2="53.34" width="0.4064" layer="1"/>
+<via x="72.39" y="53.34" extent="1-16" drill="0.35"/>
+<wire x1="72.39" y1="53.34" x2="72.39" y2="54.61" width="0.4064" layer="16"/>
 <via x="72.39" y="54.61" extent="1-16" drill="0.35"/>
 <wire x1="72.2825" y1="50.2725" x2="72.2825" y2="44.5575" width="0.4064" layer="1"/>
 <wire x1="72.2825" y1="44.5575" x2="72.39" y2="44.45" width="0.4064" layer="1"/>
@@ -63116,6 +63122,8 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <via x="27.94" y="21.59" extent="1-16" drill="0.35"/>
 <wire x1="27.94" y1="21.59" x2="27.305" y2="22.225" width="0.4064" layer="16"/>
 <wire x1="27.305" y1="22.225" x2="27.305" y2="26.67" width="0.4064" layer="16"/>
+<wire x1="55.88" y1="49.237" x2="58.127" y2="49.237" width="0.4064" layer="1"/>
+<wire x1="58.127" y1="49.237" x2="58.42" y2="49.53" width="0.4064" layer="1"/>
 </signal>
 <signal name="V-REF">
 <contactref element="R36" pad="1"/>
diff --git a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-10.zip b/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-10.zip
index 380092b..2c57e67 100644
Binary files a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-10.zip and b/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-10.zip differ
diff --git a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv b/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv
index 06f2099..7bf6c78 100644
--- a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv
+++ b/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv
@@ -46,7 +46,7 @@ IC6,92.08,40.64,Top,0.0
 IC7,43.18,14.61,Top,270.0
 LED1, 2.54,12.70,Top,0.0
 LED2, 2.54, 8.26,Top,0.0
-Q1,29.85,48.26,Top,180.0
+Q1,21.59,54.23,Top,270.0
 Q2,30.48,43.18,Top,0.0
 Q3,30.48,38.73,Top,180.0
 Q4,20.32,26.67,Top,90.0