Dell UltraSharp 2001FP (20.1" Flachbildschirm)

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General info

  • quite heavy
  • integrated USB hub, apparently with separate power supply
  • comparably big mainboard
  • mainboard by Benq
  • display panel: LG-Philips LM201U04-A3K2

Hardware

VGA input

  • U6: ST 24C02W6
    • SO-8 package
  • Philips 74LVC14AD
    • SO-14 package
    • Hex inverter with Schmitt trigger

Power supply

  • U1: Texas Instruments TL1451A
    • SO-16 package
    • Dual PWM controller
  • Q7: Nexperia PMBS3906
    • SOT23-3 package
    • SMD marking "t06"
    • PNP transistor
  • Q6: Nexperia PMBS3904
    • SOT23-3 package
    • SMD marking "t04"
    • NPN transistor
  • U19: F401-960T63
    • 3.3V LDO?
  • Q8: International Rectifier F5305S
    • P-channel power MOSFET
  • J1: Power plug
    • labeled 20VDC on monitor case
    • 4 connections, 1 voltage
    • bottom 2 pins (closer to PCB): GND
    • top 2 pins (further from PCB): +20V

USB hub

  • U2: Texas Instruments TL1451A
    • see U1
  • U20: NEC D720110AGC
    • QFP-100 package
    • USB controller
  • Y3: 30MHz quartz oscillator
  • Q9: International Rectifier F5305S
    • see Q8
  • Q10: t04
    • see power supply
  • Q12: t06
    • see power supply
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