1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
Size: A
Title: lqvrp_top_level.sch
Sheet 1 of 4
Date: 2019/5/22
Reviewed: Reviewed
Project State: ProjectState
Revision: PCBRev
ProjectCode
Purpose: MainFunction
Location: PCBLocationInSystem
USB_CONNECT
EXT_CHARGER
CHECK_POWER
VBUS_SENSE
EXT_PSU
USB_N
USB_P
U_usb_power
usb_power.Sch
USB_N
USB_P
TO_KBD
KBD_CLK
KBD_BOOT0
KBD_BOOT1
KBD_RESET#
FROM_KBD
U_keybed_scan_mcu
keybed_scan_mcu.Sch
MIDI_TX
POT_BANK4
MIDI_RX
FOOTSWITCH
POT_SEL0
POT_SEL1
MOD_WIPER
PITCH_WIPER
U_midi_analog
midi_analog.Sch
GND
+3V3_POT
Place Test Points Strategically
+3V3
TP31 TP35 TP39 TP43
TP33 TP37 TP41TP45
TP34 TP38 TP42TP46
TP32 TP36 TP40 TP44
GND_POT
+5V_UNREG
TP30
GND
TO MN
KBD_CLK
TO_KBD
FROM_KBD
KBD_RESET#
KBD_BOOT1
KBD_BOOT0
EXT_PSU
VBUS_SENSE
CHECK_POWER
USB_CONNECT
EXT_CHARGER
FOOTSWITCH
MIDI_TX
MIDI_RX
+3V3
C71
105
GND
+5V_UNREG
C72
105
GND
GND
TO MN
TO MN
+3V3_POT
GND_POT
POT_BANK4
POT_SEL0
POT_SEL1
C70
225
GND_POT
GND_POT
+3V3_POT
TO PITCH MOD VR
1
2
3
4
5
6
J70
1735446-6
PITCH_WIPER
MOD_WIPER
3
5
7
9
2
4
6
8
10
1
J71
0.5S-1X-10PWB
1
2
3
4
J72
CON4
3
5
7
9
11
13
15
17
19
21
23
25
27
29
18
20
22
24
26
28
30
2
4
6
8
10
12
14
16
1
J73
0.5S-1X-30PWB
BOLT70
BOLT
BOLT72
BOLT
BOLT71
BOLT
BOLT73
BOLT
BOLT74
BOLT
BOLT75
BOLT
