Schematic Diagrams
B-1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
This appendix has circuit diagrams of the P870KM(-G) notebook’s PCB’s. The following table indicates where to find
the appropriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page
Block Diagram - Page B - 2 Main EC IT8587 - Page B - 23 2.5V, 5VS_2 - Page B - 44
Processor 1/5 - Page B - 3 Second EC IT8587 - Page B - 24 Fan_Power 12V - Page B - 45
Processor 2/5 - Page B - 4 TPM SLB9665TT - Page B - 25 AMP10V, VCCSA - Page B - 46
Processor 3/5 - Page B - 5 CPU, VGA Fan Conn - Page B - 26 DDR4 VDDQ & VTT, VCCPLL_OC - Page B - 47
Processor 4/5 - Page B - 6 Backlight Keyboard - Page B - 27 Power Charger, DC IN - Page B - 48
Processor 5/5 - Page B - 7 CCD, USB Charging - Page B - 28 VCCIO, 1.0VA - Page B - 49
DDR4 CHA SO-DIMM_0 - Page B - 8 AR_TBT - Page B - 29 VCore - Page B - 50
DDR4 CHA SO-DIMM_1 - Page B - 9 AR_Power - Page B - 30 VCore Output Stage - Page B - 51
DDR4 CHB SO-DIMM_0 - Page B - 10 TPS65982, Type C1 - Page B - 31 VDD3, VDD5 - Page B - 52
DDR4 CHB SO-DIMM_1 - Page B - 11 TPS65982, Type C2 - Page B - 32 Charger LED Board - Page B - 53
MXM 3.0 Master - Page B - 12 PS8338B+mDP_1 - Page B - 33 Click Board - Page B - 54
MXM 3.0 Slave - Page B - 13 PS8338B+mDP_2 - Page B - 34 Finger Sensor Board - Page B - 55
Panel, Inverter - Page B - 14 M.2 WLAN+BT - Page B - 35 Power Switch LED Board - Page B - 56
HDMI - Page B - 15 M.2 M Key - Page B - 36 Audio Codec - Page B - 57
SPT-H 1/7 - Page B - 16 RTS5250 - Page B - 37 Audio Board (Speaker) - Page B - 58
SPT-H 2/7 - Page B - 17 LAN_1 E2500 - Page B - 38 Audio Board (Subwoofer) - Page B - 59
SPT-H 3/7 - Page B - 18 LAN_2 E2500 - Page B - 39 ESS DAC - Page B - 60
SPT-H 4/7 - Page B - 19 Click, Finger Conn - Page B - 40 HP AMP - Page B - 61
SPT-H 5/7 - Page B - 20 HDD & Second HDD - Page B - 41 Audio Jack - Page B - 62
SPT-H 6/7 - Page B - 21 USB Port - Page B - 42 Power Sequence - Page B - 63
SPT-H 7/7 - Page B - 22 5VS, 3.3VS, 1.0 V Series - Page B - 43
Table B - 1
Schematic
Diagrams

Version Note
The schematic dia-
grams in this chapter
are based upon version
6-7P-P87K6-002. If
your mainboard (or oth-
er boards) are a later
version, please check
with the Service Center
for updated diagrams
(if required).