added nfet for backlight control; added testpoints

The RPI can now control the backlight by overwriting the Backlight enable
switch.

The Testpoints allow measurement of VLED and VDD_DISPLAY

rgb_lcd_pihat-cache.lib

@@ -140,6 +140,23 @@ X Pin_9 9 -200 500 150 R 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Connector_TestPoint
+#
+DEF Connector_TestPoint TP 0 30 N N 1 F N
+F0 "TP" 0 270 50 H V C CNN
+F1 "Connector_TestPoint" 0 200 50 H V C CNN
+F2 "" 200 0 50 H I C CNN
+F3 "" 200 0 50 H I C CNN
+$FPLIST
+ Pin*
+ Test*
+$ENDFPLIST
+DRAW
+C 0 130 30 0 1 0 N
+X 1 1 0 0 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Custom_IC_ME3102
 #
 DEF Custom_IC_ME3102 U 0 40 Y Y 1 F N
@@ -262,6 +279,34 @@ X ~ 2 0 -100 20 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Device_Q_NMOS_GSD
+#
+DEF Device_Q_NMOS_GSD Q 0 0 Y N 1 F N
+F0 "Q" 200 50 50 H V L CNN
+F1 "Device_Q_NMOS_GSD" 200 -50 50 H V L CNN
+F2 "" 200 100 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C 65 0 110 0 1 10 N
+C 100 -70 10 0 1 0 F
+C 100 70 10 0 1 0 F
+P 2 0 1 0 10 0 -100 0 N
+P 2 0 1 10 10 75 10 -75 N
+P 2 0 1 10 30 -50 30 -90 N
+P 2 0 1 10 30 20 30 -20 N
+P 2 0 1 10 30 90 30 50 N
+P 2 0 1 0 100 100 100 70 N
+P 3 0 1 0 100 -100 100 0 30 0 N
+P 4 0 1 0 30 -70 130 -70 130 70 30 70 N
+P 4 0 1 0 40 0 80 15 80 -15 40 0 F
+P 4 0 1 0 110 20 115 15 145 15 150 10 N
+P 4 0 1 0 130 15 115 -10 145 -10 130 15 N
+X G 1 -200 0 100 R 50 50 1 1 I
+X S 2 100 -200 100 U 50 50 1 1 P
+X D 3 100 200 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device_R_Small
 #
 DEF Device_R_Small R 0 10 N N 1 F N

rgb_lcd_pihat.sch

@@ -371,26 +371,13 @@ $Comp
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-F 1 "Conn_01x40" H 10618 2216 50  0000 C CNN
+F 0 "J4" H 10700 2100 50  0000 C CNN
+F 1 "Conn_01x40" H 10700 2200 50  0000 C CNN
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-F 3 "" H 5500 5550 50  0001 C CNN
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-F 3 "~" H 4700 5300 50  0001 C CNN
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-F 3 "~" H 4400 5300 50  0001 C CNN
-	1    4400 5300
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-F 0 "L2" V 6485 5050 50  0000 C CNN
-F 1 "L_Small" V 6394 5050 50  0000 C CNN
-F 2 "Inductor_SMD:L_6.3x6.3_H3" H 6300 5050 50  0001 C CNN
-F 3 "~" H 6300 5050 50  0001 C CNN
-	1    6300 5050
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+F 3 "~" H 6500 3300 50  0001 C CNN
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-F 3 "~" H 7050 5200 50  0001 C CNN
-	1    7050 5200
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-F 2 "" H 7050 5400 50  0001 C CNN
-F 3 "" H 7050 5400 50  0001 C CNN
-	1    7050 5400
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+F 2 "" H 7250 3650 50  0001 C CNN
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-F 2 "" H 6550 5650 50  0001 C CNN
-F 3 "" H 6550 5650 50  0001 C CNN
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 	1    0    0    -1  
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-F 0 "R7" V 6750 5250 50  0000 C CNN
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-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6550 5250 50  0001 C CNN
-F 3 "~" H 6550 5250 50  0001 C CNN
-	1    6550 5250
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+F 3 "~" H 6750 3500 50  0001 C CNN
+	1    6750 3500
 	-1   0    0    1   
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-F 0 "R8" V 6354 5500 50  0000 C CNN
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-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6550 5500 50  0001 C CNN
-F 3 "~" H 6550 5500 50  0001 C CNN
-	1    6550 5500
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+F 3 "~" H 6750 3750 50  0001 C CNN
+	1    6750 3750
 	-1   0    0    1   
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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-Connection ~ 6550 5350
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-F 0 "C9" H 6850 5250 50  0000 L CNN
-F 1 "100n" H 6800 5150 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6750 5250 50  0001 C CNN
-F 3 "~" H 6750 5250 50  0001 C CNN
-	1    6750 5250
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+	1    6950 3500
 	1    0    0    -1  
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
-	6750 5050 7050 5050
-$Comp
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-F 2 "" H 7400 5050 50  0001 C CNN
-F 3 "" H 7400 5050 50  0001 C CNN
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-	1    0    0    -1  
-$EndComp
-Wire Wire Line
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-Connection ~ 7050 5050
+	6950 3300 7250 3300
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@@ -972,10 +945,10 @@ Text GLabel 10350 6250 0    50   Input ~ 0
 LED-
 Text GLabel 10300 6050 0    50   Input ~ 0
 LED+
-Text GLabel 7350 850  2    50   Input ~ 0
+Text GLabel 8250 850  2    50   Input ~ 0
 LED+
 Wire Wire Line
-	7350 850  6700 850 
+	8250 850  7900 850 
 Connection ~ 6700 850 
 Text GLabel 6600 1650 2    50   Input ~ 0
 LED-
@@ -1081,34 +1054,34 @@ Connection ~ 6700 2450
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-F 0 "SW1" V 5454 2248 50  0000 L CNN
-F 1 "SW_SPDT" V 5545 2248 50  0000 L CNN
-F 2 "Button_Switch_SMD:SW_SPDT_PCM12" H 5500 2100 50  0001 C CNN
-F 3 "~" H 5500 2100 50  0001 C CNN
-	1    5500 2100
-	0    1    1    0   
+P 5700 2100
+F 0 "SW1" H 5650 2250 50  0000 L CNN
+F 1 "SW_SPDT" H 5700 2100 50  0000 L CNN
+F 2 "Button_Switch_SMD:SW_SPDT_PCM12" H 5700 2100 50  0001 C CNN
+F 3 "~" H 5700 2100 50  0001 C CNN
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-F 2 "" H 5600 2400 50  0001 C CNN
-F 3 "" H 5600 2400 50  0001 C CNN
-	1    5600 2400
-	1    0    0    -1  
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+F 1 "GND" V 6005 1872 50  0000 R CNN
+F 2 "" H 6000 2000 50  0001 C CNN
+F 3 "" H 6000 2000 50  0001 C CNN
+	1    6000 2000
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-F 1 "+5V" H 5415 2573 50  0000 C CNN
-F 2 "" H 5400 2400 50  0001 C CNN
-F 3 "" H 5400 2400 50  0001 C CNN
-	1    5400 2400
+P 6000 2550
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+F 1 "+5V" H 6015 2723 50  0000 C CNN
+F 2 "" H 6000 2550 50  0001 C CNN
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 	-1   0    0    1   
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 Wire Wire Line
@@ -1175,53 +1148,53 @@ Red2
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 L Device:LED D2
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-P 8150 5250
-F 0 "D2" V 8189 5132 50  0000 R CNN
-F 1 "LED" V 8098 5132 50  0000 R CNN
-F 2 "LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 8150 5250 50  0001 C CNN
-F 3 "~" H 8150 5250 50  0001 C CNN
-	1    8150 5250
+P 2850 1150
+F 0 "D2" V 2889 1032 50  0000 R CNN
+F 1 "PWRLED" V 2798 1032 50  0000 R CNN
+F 2 "LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2850 1150 50  0001 C CNN
+F 3 "~" H 2850 1150 50  0001 C CNN
+	1    2850 1150
 	0    -1   -1   0   
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 $Comp
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-P 8150 5650
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-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 8150 5650 50  0001 C CNN
-F 3 "~" H 8150 5650 50  0001 C CNN
-	1    8150 5650
+P 2850 1550
+F 0 "R4" V 2654 1550 50  0000 C CNN
+F 1 "180" V 2745 1550 50  0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2850 1550 50  0001 C CNN
+F 3 "~" H 2850 1550 50  0001 C CNN
+	1    2850 1550
 	-1   0    0    1   
 $EndComp
 $Comp
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-F 1 "GND" V 8155 5722 50  0000 R CNN
-F 2 "" H 8150 5850 50  0001 C CNN
-F 3 "" H 8150 5850 50  0001 C CNN
-	1    8150 5850
+P 2850 1750
+F 0 "#PWR026" H 2850 1500 50  0001 C CNN
+F 1 "GND" V 2855 1622 50  0000 R CNN
+F 2 "" H 2850 1750 50  0001 C CNN
+F 3 "" H 2850 1750 50  0001 C CNN
+	1    2850 1750
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:+5V #PWR025
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-F 0 "#PWR025" H 8150 4850 50  0001 C CNN
-F 1 "+5V" H 8165 5173 50  0000 C CNN
-F 2 "" H 8150 5000 50  0001 C CNN
-F 3 "" H 8150 5000 50  0001 C CNN
-	1    8150 5000
+P 2850 900
+F 0 "#PWR025" H 2850 750 50  0001 C CNN
+F 1 "+5V" H 2865 1073 50  0000 C CNN
+F 2 "" H 2850 900 50  0001 C CNN
+F 3 "" H 2850 900 50  0001 C CNN
+	1    2850 900 
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	8150 5750 8150 5850
+	2850 1650 2850 1750
 Wire Wire Line
-	8150 5400 8150 5550
+	2850 1300 2850 1450
 Wire Wire Line
-	8150 5000 8150 5100
+	2850 900  2850 1000
 Text Notes 10950 6450 2    50   ~ 0
 mirrored connector to match pinout from the display
 Wire Wire Line
@@ -1256,18 +1229,16 @@ Wire Wire Line
 $Comp
 L Connector_Generic:Conn_01x03 J5
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-P 7550 3800
-F 0 "J5" H 7630 3842 50  0000 L CNN
-F 1 "Conn_01x03" H 7630 3751 50  0000 L CNN
-F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 7550 3800 50  0001 C CNN
-F 3 "~" H 7550 3800 50  0001 C CNN
-	1    7550 3800
+P 10700 1400
+F 0 "J5" H 10650 1750 50  0000 L CNN
+F 1 "Conn_01x03" H 10450 1650 50  0000 L CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 10700 1400 50  0001 C CNN
+F 3 "~" H 10700 1400 50  0001 C CNN
+	1    10700 1400
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	5600 2300 5600 2400
-Wire Wire Line
-	5400 2300 5400 2400
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 Text GLabel 6900 2150 2    50   Input ~ 0
 RV2
 Text GLabel 6750 1800 2    50   Input ~ 0
@@ -1275,61 +1246,61 @@ RV1
 Wire Wire Line
 	6700 1800 6750 1800
 Connection ~ 6700 1800
-Text GLabel 7300 3700 0    50   Input ~ 0
+Text GLabel 10450 1300 0    50   Input ~ 0
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-Text GLabel 7300 3900 0    50   Input ~ 0
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 Wire Wire Line
-	7300 3700 7350 3700
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 Wire Wire Line
-	7350 3800 7350 3900
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 Wire Wire Line
-	7350 3900 7300 3900
-Connection ~ 7350 3900
-Text Notes 7000 4050 0    50   ~ 0
-Connector for external POT
+	10500 1500 10450 1500
+Connection ~ 10500 1500
+Text Notes 11050 1850 2    50   ~ 0
+Connector for external \nbacklight dimming POT
 $Comp
 L Mechanical:MountingHole H1
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-P 8750 5550
-F 0 "H1" H 8850 5596 50  0000 L CNN
-F 1 "MountingHole" H 8850 5505 50  0000 L CNN
-F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 5550 50  0001 C CNN
-F 3 "~" H 8750 5550 50  0001 C CNN
-	1    8750 5550
+P 9800 6750
+F 0 "H1" H 9900 6796 50  0000 L CNN
+F 1 "MountingHole" H 9900 6705 50  0000 L CNN
+F 2 "MountingHole:MountingHole_3.2mm_M3" H 9800 6750 50  0001 C CNN
+F 3 "~" H 9800 6750 50  0001 C CNN
+	1    9800 6750
 	1    0    0    -1  
 $EndComp
 $Comp
 L Mechanical:MountingHole H2
 U 1 1 603BCE2E
-P 8750 5750
-F 0 "H2" H 8850 5796 50  0000 L CNN
-F 1 "MountingHole" H 8850 5705 50  0000 L CNN
-F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 5750 50  0001 C CNN
-F 3 "~" H 8750 5750 50  0001 C CNN
-	1    8750 5750
+P 9800 6950
+F 0 "H2" H 9900 6996 50  0000 L CNN
+F 1 "MountingHole" H 9900 6905 50  0000 L CNN
+F 2 "MountingHole:MountingHole_3.2mm_M3" H 9800 6950 50  0001 C CNN
+F 3 "~" H 9800 6950 50  0001 C CNN
+	1    9800 6950
 	1    0    0    -1  
 $EndComp
 $Comp
 L Mechanical:MountingHole H3
 U 1 1 603BD03E
-P 8750 5950
-F 0 "H3" H 8850 5996 50  0000 L CNN
-F 1 "MountingHole" H 8850 5905 50  0000 L CNN
-F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 5950 50  0001 C CNN
-F 3 "~" H 8750 5950 50  0001 C CNN
-	1    8750 5950
+P 10550 6750
+F 0 "H3" H 10650 6796 50  0000 L CNN
+F 1 "MountingHole" H 10650 6705 50  0000 L CNN
+F 2 "MountingHole:MountingHole_3.2mm_M3" H 10550 6750 50  0001 C CNN
+F 3 "~" H 10550 6750 50  0001 C CNN
+	1    10550 6750
 	1    0    0    -1  
 $EndComp
 $Comp
 L Mechanical:MountingHole H4
 U 1 1 603BD2B0
-P 8750 6150
-F 0 "H4" H 8850 6196 50  0000 L CNN
-F 1 "MountingHole" H 8850 6105 50  0000 L CNN
-F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 6150 50  0001 C CNN
-F 3 "~" H 8750 6150 50  0001 C CNN
-	1    8750 6150
+P 10550 6950
+F 0 "H4" H 10650 6996 50  0000 L CNN
+F 1 "MountingHole" H 10650 6905 50  0000 L CNN
+F 2 "MountingHole:MountingHole_3.2mm_M3" H 10550 6950 50  0001 C CNN
+F 3 "~" H 10550 6950 50  0001 C CNN
+	1    10550 6950
 	1    0    0    -1  
 $EndComp
 $Comp
@@ -1386,12 +1357,12 @@ Connection ~ 1650 7000
 $Comp
 L rgb_lcd_pihat-rescue:Logo-Custom_logo LOGO1
 U 1 1 606925A8
-P 6300 7500
-F 0 "LOGO1" H 6678 7521 50  0000 L CNN
-F 1 "Logo" H 6678 7430 50  0000 L CNN
-F 2 "Custom_logo:BB" H 6050 7750 50  0001 C CNN
-F 3 "" H 6050 7750 50  0001 C CNN
-	1    6300 7500
+P 7400 6750
+F 0 "LOGO1" H 7778 6771 50  0000 L CNN
+F 1 "Logo" H 7778 6680 50  0000 L CNN
+F 2 "Custom_logo:BB" H 7150 7000 50  0001 C CNN
+F 3 "" H 7150 7000 50  0001 C CNN
+	1    7400 6750
 	1    0    0    -1  
 $EndComp
 Text Notes 550  5150 0    50   ~ 0
@@ -1436,7 +1407,6 @@ Text GLabel 1400 2650 0    50   Input ~ 0
 Green1
 NoConn ~ 1650 1950
 NoConn ~ 1650 2150
-NoConn ~ 1650 2750
 NoConn ~ 2350 6600
 NoConn ~ 2350 6700
 Wire Wire Line
@@ -1445,7 +1415,6 @@ Wire Wire Line
 	2350 6200 3400 6200
 NoConn ~ 2350 5700
 NoConn ~ 2350 5800
-NoConn ~ 2350 5500
 Wire Wire Line
 	2950 6600 3350 6600
 Wire Wire Line
@@ -1467,14 +1436,6 @@ Wire Wire Line
 	3350 6600 3350 6800
 NoConn ~ 3600 6300
 NoConn ~ 3600 6400
-Wire Notes Line
-	4800 550  7700 550 
-Wire Notes Line
-	7700 550  7700 2850
-Wire Notes Line
-	7700 2850 4800 2850
-Wire Notes Line
-	4800 2850 4800 550 
 Text Notes 7650 2800 2    50   ~ 0
 Backlight LED Driver
 Text Notes 1700 3150 0    50   ~ 0
@@ -1493,81 +1454,210 @@ NoConn ~ 10500 5850
 $Comp
 L Jumper:Jumper_3_Bridged12 JP1
 U 1 1 60892CAD
-P 9250 1350
-F 0 "JP1" V 9250 1400 50  0000 L CNN
-F 1 "Jumper_3_Bridged12" V 9295 1417 50  0001 L CNN
-F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 9250 1350 50  0001 C CNN
-F 3 "~" H 9250 1350 50  0001 C CNN
-	1    9250 1350
+P 8050 3600
+F 0 "JP1" V 8050 3650 50  0000 L CNN
+F 1 "Jumper_3_Bridged12" V 8095 3667 50  0001 L CNN
+F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 8050 3600 50  0001 C CNN
+F 3 "~" H 8050 3600 50  0001 C CNN
+	1    8050 3600
 	0    1    1    0   
 $EndComp
 $Comp
 L Jumper:Jumper_3_Bridged12 JP2
 U 1 1 608943E0
-P 9750 1350
-F 0 "JP2" V 9750 1400 50  0000 L CNN
-F 1 "Jumper_3_Bridged12" V 10200 1450 50  0001 L CNN
-F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 9750 1350 50  0001 C CNN
-F 3 "~" H 9750 1350 50  0001 C CNN
-	1    9750 1350
+P 8550 3600
+F 0 "JP2" V 8550 3650 50  0000 L CNN
+F 1 "Jumper_3_Bridged12" V 9000 3700 50  0001 L CNN
+F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 8550 3600 50  0001 C CNN
+F 3 "~" H 8550 3600 50  0001 C CNN
+	1    8550 3600
 	0    -1   1    0   
 $EndComp
+Wire Wire Line
+	8550 3300 8550 3350
+Wire Wire Line
+	8050 3300 8050 3350
+$Comp
+L power:GND #PWR04
+U 1 1 60902B54
+P 8300 3950
+F 0 "#PWR04" H 8300 3700 50  0001 C CNN
+F 1 "GND" V 8305 3822 50  0000 R CNN
+F 2 "" H 8300 3950 50  0001 C CNN
+F 3 "" H 8300 3950 50  0001 C CNN
+	1    8300 3950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8550 3850 8550 3900
+Wire Wire Line
+	8550 3900 8300 3900
+Wire Wire Line
+	8050 3900 8050 3850
+Wire Wire Line
+	8300 3900 8300 3950
+Connection ~ 8300 3900
+Wire Wire Line
+	8300 3900 8050 3900
+Text GLabel 7850 3600 0    50   Input ~ 0
+L_R
+Text GLabel 8750 3600 2    50   Input ~ 0
+U_D
+Wire Wire Line
+	8750 3600 8700 3600
+Wire Wire Line
+	7850 3600 7900 3600
+Wire Wire Line
+	4900 3300 5400 3300
+Wire Wire Line
+	4900 3800 5250 3800
+Wire Wire Line
+	5500 1450 5500 1850
+Wire Notes Line
+	3300 2850 9100 2850
+NoConn ~ 2350 5500
+Text GLabel 1400 2750 0    50   Input ~ 0
+BL_ENABLE
+Wire Wire Line
+	1400 2750 1650 2750
+$Comp
+L Device:R_Small R10
+U 1 1 60C60D4C
+P 6000 2350
+F 0 "R10" H 6200 2350 50  0000 R CNN
+F 1 "100k" H 6200 2450 50  0000 R CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 6000 2350 50  0001 C CNN
+F 3 "~" H 6000 2350 50  0001 C CNN
+	1    6000 2350
+	-1   0    0    1   
+$EndComp
+Connection ~ 5500 1850
 $Comp
-L power:+3.3VP #PWR02
-U 1 1 608A82D6
-P 9500 1000
-F 0 "#PWR02" H 9650 950 50  0001 C CNN
-F 1 "+3.3VP" H 9520 1143 50  0000 C CNN
-F 2 "" H 9500 1000 50  0001 C CNN
-F 3 "" H 9500 1000 50  0001 C CNN
-	1    9500 1000
+L power:GND #PWR07
+U 1 1 60C730E6
+P 4450 2500
+F 0 "#PWR07" H 4450 2250 50  0001 C CNN
+F 1 "GND" V 4455 2372 50  0000 R CNN
+F 2 "" H 4450 2500 50  0001 C CNN
+F 3 "" H 4450 2500 50  0001 C CNN
+	1    4450 2500
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	9250 1050 9500 1050
+	4450 2400 4450 2500
 Wire Wire Line
-	9750 1050 9750 1100
+	4450 1850 4450 2000
+Text GLabel 3850 2200 0    50   Input ~ 0
+BL_ENABLE
+$Comp
+L Device:R_Small R9
+U 1 1 60CA8B3D
+P 4000 2200
+F 0 "R9" V 3804 2200 50  0000 C CNN
+F 1 "100k" V 3895 2200 50  0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 4000 2200 50  0001 C CNN
+F 3 "~" H 4000 2200 50  0001 C CNN
+	1    4000 2200
+	0    1    1    0   
+$EndComp
 Wire Wire Line
-	9500 1000 9500 1050
-Connection ~ 9500 1050
+	3900 2200 3850 2200
 Wire Wire Line
-	9500 1050 9750 1050
+	4150 2200 4100 2200
+$Comp
+L Device:Q_NMOS_GSD Q1
+U 1 1 60D15588
+P 4350 2200
+F 0 "Q1" H 4555 2246 50  0000 L CNN
+F 1 "ATM7002KNSA" H 4555 2155 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23_Handsoldering" H 4550 2300 50  0001 C CNN
+F 3 "https://datasheet.lcsc.com/szlcsc/2011132035_Agertech-ATM7002KNSA_C915711.pdf" H 4350 2200 50  0001 C CNN
+F 4 "C915711" H 4350 2200 50  0001 C CNN "LCSC"
+	1    4350 2200
+	1    0    0    -1  
+$EndComp
+Connection ~ 7250 3300
+Connection ~ 8050 3300
 Wire Wire Line
-	9250 1050 9250 1100
+	7250 3300 7750 3300
 $Comp
-L power:GND #PWR04
-U 1 1 60902B54
-P 9500 1700
-F 0 "#PWR04" H 9500 1450 50  0001 C CNN
-F 1 "GND" V 9505 1572 50  0000 R CNN
-F 2 "" H 9500 1700 50  0001 C CNN
-F 3 "" H 9500 1700 50  0001 C CNN
-	1    9500 1700
+L Connector:TestPoint TP1
+U 1 1 60E25800
+P 7750 3200
+F 0 "TP1" H 7808 3318 50  0000 L CNN
+F 1 "3V3_DISPLAY" H 7808 3227 50  0000 L CNN
+F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 7950 3200 50  0001 C CNN
+F 3 "~" H 7950 3200 50  0001 C CNN
+	1    7750 3200
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	9750 1600 9750 1650
+	7750 3200 7750 3300
+Connection ~ 7750 3300
 Wire Wire Line
-	9750 1650 9500 1650
+	7750 3300 8050 3300
+$Comp
+L power:+3.3VP #PWR0101
+U 1 1 60E5BA1B
+P 7250 3200
+F 0 "#PWR0101" H 7400 3150 50  0001 C CNN
+F 1 "+3.3VP" H 7270 3343 50  0000 C CNN
+F 2 "" H 7250 3200 50  0001 C CNN
+F 3 "" H 7250 3200 50  0001 C CNN
+	1    7250 3200
+	1    0    0    -1  
+$EndComp
 Wire Wire Line
-	9250 1650 9250 1600
+	7250 3200 7250 3300
 Wire Wire Line
-	9500 1650 9500 1700
-Connection ~ 9500 1650
+	9600 2350 10350 2350
 Wire Wire Line
-	9500 1650 9250 1650
-Text GLabel 9050 1350 0    50   Input ~ 0
-L_R
-Text GLabel 9950 1350 2    50   Input ~ 0
-U_D
+	8050 3300 8550 3300
+Connection ~ 8550 3300
+Wire Wire Line
+	8550 3300 9600 3300
+Wire Wire Line
+	9600 3300 9600 2350
+Wire Notes Line
+	3300 4400 9100 4400
+Wire Notes Line
+	3300 550  3300 4400
+Text Notes 7500 4350 2    50   ~ 0
+3V3 buck for display
+Text Notes 7600 4350 0    50   ~ 0
+scanline direction settings for display
+Wire Notes Line
+	7550 2850 7550 4400
+Text Notes 8900 1000 2    50   ~ 0
+8 Series LEDs @ 800mA
+Wire Notes Line
+	3300 550  9100 550 
+Wire Wire Line
+	6000 2450 6000 2550
+Wire Wire Line
+	5500 1850 5500 2100
 Wire Wire Line
-	9950 1350 9900 1350
+	6000 2250 6000 2200
 Wire Wire Line
-	9050 1350 9100 1350
+	6000 2200 5900 2200
 Wire Wire Line
-	4700 5050 5200 5050
+	4450 1850 5500 1850
+$Comp
+L Connector:TestPoint TP2
+U 1 1 611790C2
+P 7900 750
+F 0 "TP2" H 7958 868 50  0000 L CNN
+F 1 "BG_LEDS" H 7958 777 50  0000 L CNN
+F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 8100 750 50  0001 C CNN
+F 3 "~" H 8100 750 50  0001 C CNN
+	1    7900 750 
+	1    0    0    -1  
+$EndComp
 Wire Wire Line
-	4700 5550 5050 5550
+	7900 750  7900 850 
+Wire Notes Line
+	9100 550  9100 4400
+Connection ~ 7900 850 
 Wire Wire Line
-	5500 1450 5500 1900
+	7900 850  6700 850 
 $EndSCHEMATC