HP Probook 4431s (Inventec Roxette S3) Laptop Schematics

HP Probook 4431s (Inventec Roxette S3) Laptop Schematics

HP Probook 4431s (Inventec Roxette S3) Laptop Schematics

HP Probook 4431s (Inventec Roxette S3) Laptop Schematic

ROXETTE SEYMOUR-XT

DC & BATTERY CHARGER   
U1000 – BQ24726 QFN 20 Pins
Q1001 – AM7331P |Drain +VADPBL| ( Analog Power P-Channel 30-V (D-S) MOSFET)
Q1002 – AM7331P |Source +VBAT, Gate +VADPBL , Drain+VBDC| ( Analog Power P-Channel 30-V (D-S) MOSFET)
Q1000 – FDMC7692 | Gate –ACDRV pin4 from BQ24726, Source – +VADPBL from AM7331P, Drain – +VBAT | (N-Channel FET)

System Power +V5  +V3
U1018 –  TPS51123RGER QFN 24Pins

 

HP Compaq 8710W LA-3331 LA-3331P Laptop Schematic

HP Compaq 8710W Laptop Schematic

HP Compaq 8710W LA-3331 LA-3331P Free Laptop Schematic

SUPER I/O U29 LPC47N217
BIOS ROM 8 Mbit SPI Serial Flash U58 SST25LF080A
+1.25VM to +1.25VS Transfer U40 SI4800DY  N-Channel 30-V (D-S) MOSFET
+3VALW to +3VS Transfer U43 SI4800DY  N-Channel 30-V (D-S) MOSFET
+5VALW to +5VS Transfer U45 SI4800DY  N-Channel 30-V (D-S) MOSFET
+3VALW to +3VM Transfer U41 SI4800DY  N-Channel 30-V (D-S) MOSFET, Q93 – BSS138 SOT23, Q91 – BSS138 SOT23, Q95 – BSS138 SOT23

Charger (Charging Circuit)
VIN PQ4 AO4407 SO8 (30V P-Channel MOSFET), PQ5 AO4407 SO8 (30V P-Channel MOSFET)
BATT PQ3 AO4407 SO8 (30V P-Channel MOSFET)

Charging IC PU2 BQ24703RHDR