Schematic Diagrams
B - 1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
Table B - 1
SCHEMATIC
DIAGRAMS
This appendix has circuit diagrams of the PB50EF / PB51EF notebook’s PCB’s. The following table indicates where
to find the appropriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page Diagram - Page
System Block Diagram - Page B - 2 Frame Buffer Partition D - Page B - 26 USB Redriver - Page B - 50 VCCGT, VCCSA - Page B - 74
Processor 1/6 - Page B - 3 GPU 4/6 - Page B - 27 ANX7440 - Page B - 51 NVVDD 1 & 2 - Page B - 75
Processor 2/6 - Page B - 4 GPU 5/6 - Page B - 28 USB+DP Type-C - Page B - 52 NVVDD 3 - Page B - 76
Processor 3/6 - Page B - 5 IFP I/O Interface - Page B - 29 TPM - Page B - 53 PEX_VDD - Page B - 77
Processor 4/6 - Page B - 6 GPU 6/6 - Page B - 30 LAN RTL8111H - Page B - 54 FBVDDQ - Page B - 78
Processor 5/6 - Page B - 7 GPU NVVDD, FBVDDQ - Page B - 31 ALC1220 - Page B - 55 AC-In, Charger - Page B - 79
Processor 6/6 - Page B - 8 GPU GND - Page B - 32 EC ITE8587 - Page B - 56 LED Board - Page B - 80
DDR4 CHA SO-DIMM_0 - Page B - 9 GPU Decoupling - Page B - 33 Fan, TP, Smart AMP PWR - Page B - 57 Power Board - Page B - 81
DDR4 CHB SO-DIMM_0 - Page B - 10 GPU Decoupling 2 - Page B - 34 LED Keyboard Ctrl - Page B - 58 HDD Board - Page B - 82
Panel - Page B - 11 GPU Pwr Ctrl, Level Shift - Page B - 35 LID - Page B - 59 Audio Board, Fan - Page B - 83
HDMI - Page B - 12 PCH 1/9 - Page B - 36 TR-TBT - Page B - 60 Audio Board_USB - Page B - 84
Mini DP Port - Page B - 13 PCH 2/9 - Page B - 37 AR_TBT_SP PWR - Page B - 61 Audio Board_AMP, Jack - Page B - 85
PS8330B - Page B - 14 PCH 3/9 - Page B - 38 TPS65987 - Page B - 62 Per Keyboard - Page B - 86
PS8331 - Page B - 15 PCH 4/9 - Page B - 39 TBT/Type C - Page B - 63 RTS5250 - Page B - 87
GPU 1/6 - Page B - 16 PCH 5/9 - Page B - 40 Conn_to Extend Board - Page B - 64 AMP TPA2008D2 - Page B - 88
GPU 2/6 - Page B - 17 PCH 6/9 - Page B - 41 3.3VA, 3.3V, 3.3VS, 5VS - Page B - 65 Subwoofer - Page B - 89
Frame Buffer Partition A - Page B - 18 PCH 7/9 - Page B - 42 PWR_SW VCCST, STG, SFR_OC - Page B - 66 Smart AMP - Page B - 90
Frame Buffer Partition A - Page B - 19 PCH 8/9 - Page B - 43 PWR_SW 1V8_AON, RUN - Page B - 67 Smart AMP for Subwoofer - Page B - 91
Frame Buffer Partition B - Page B - 20 PCH 9/9 - Page B - 44 VDD3, VDD5 - Page B - 68 Speaker Con - Page B - 92
Frame Buffer Partition B - Page B - 21 HDD Port - Page B - 45 DDR 1.2V, 0.6VS, 2.5V - Page B - 69
GPU 3/6 - Page B - 22 M.2 WLAN+BT - Page B - 46 1.8VA, 1.05VA - Page B - 70
Frame Buffer Partition C - Page B - 23 M.2 PCIEX4 SATA - Page B - 47 VCCIO - Page B - 71
Frame Buffer Partition C - Page B - 24 CCD, FP - Page B - 48 VCore, VCCGT, VCCSA - Page B - 72
Frame Buffer Partition D - Page B - 25 USB - Page B - 49 VCore Output Stage - Page B - 73
Version Note
The schematic dia-
grams in this chapter
are based upon version
6-7P-PB5E7-001. If
your mainboard (or oth-
er boards) are a later
version, please check
with the Service Center
for updated diagrams (if
required).
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