Schematic Diagrams
B - 1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
Table B - 1
SCHEMATIC
DIAGRAMS
This appendix has circuit diagrams of the NL50MU / NL51MU / NL52MU notebook’s PCB’s. The following table in-
dicates where to find the appropriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page
System Block Diagram - Page B - 2 Panel - Page B - 18 2.5V, VCCST, VCCSTG - Page B - 34
Processor 1/12 - Page B - 3 USB Type-C ANX7443 - Page B - 19 Power PD Function - Page B - 35
Processor 2/12 - Page B - 4 ANX7411, Type-C - Page B - 20 NCP81269 - Page B - 36
Processor 3/12 - Page B - 5 ASM1543 - Page B - 21 3.3V, 5V, 3VS, 5VS, CTL - Page B - 37
Processor 4/12 - Page B - 6 LED KB, LED - Page B - 22 Charger, AC IN - Page B - 38
Processor 5/12 - Page B - 7 SATA HDD, TPM - Page B - 23 VCCIN - Page B - 39
Processor 6/12 - Page B - 8 Audio Codec - Page B - 24 RTL8411B - Page B - 40
Processor 7/12 - Page B - 9 KBC ITE IT5570 - Page B - 25 Multi Board RTS5227S / OZ711 - Page B - 41
Processor 8/12 - Page B - 10 WLAN - Page B - 26 LAN Transformer - Page B - 42
Processor 9/12 - Page B - 11 M Key PCIE SSD - Page B - 27 LAN Board Connector - Page B - 43
Processor 10/12 - Page B - 12 3G/LTE - Page B - 28 14” I/O Board - Page B - 44
Processor 11/12 - Page B - 13 USB Type-A - Page B - 29 15” I/O Board 1 - Page B - 45
Processor 12/12 - Page B - 14 Conn, CCD, Fan, TP - Page B - 30 15” I/O Board 2 - Page B - 46
DDR4 SO-DIMM_A - Page B - 15 VDD3, VDD5 - Page B - 31 PWR Button Board - Page B - 47
DDR4 SO-DIMM_B - Page B - 16 VDDQ, VDDQ_VTT, 1.8VA - Page B - 32 Power Sequence - Page B - 48
HDMI - Page B - 17 3.3VA, 1.8V - Page B - 33
Version Note
The schematic dia-
grams in this chapter
are based upon ver-
sion 6-7P-NL4M5-002.
If your mainboard (or
other boards) are a lat-
er version, please
check with the Service
Center for updated di-
agrams (if required).