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Dell D2721H Service Manual
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Dell D2721H Service Manual

Dell D2721H Service Manual

27"lcdcolormonitor
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27"LCDColorMonitor
Service
Service
Service
CAUTION: USEASEPARATEISOLATIONTRANSFOMERFORTHIS UNITWHENSERVICING
ANYPERSONATTEMPTINGTOSERVICETHISCHASSISMUSTFAMILIARIZEHIMSELFWITHTHECHASSSAND
BEAWAREOFTHENECESSARYSAFETYPRECAUTIONSTOBEUSEDWHENSERVICINGELECTRONICEQUIPME
NTCONTAINING HIGH VOLTAGES.
SAFETYNOTICE
1
Dell D2721H
HorizontalFrequency
30kHzto83kHz

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Summary of Contents for Dell D2721H

  • Page 1 Dell D2721H 27"LCDColorMonitor Service Service Service HorizontalFrequency 30kHzto83kHz SAFETYNOTICE CAUTION: USEASEPARATEISOLATIONTRANSFOMERFORTHIS UNITWHENSERVICING ANYPERSONATTEMPTINGTOSERVICETHISCHASSISMUSTFAMILIARIZEHIMSELFWITHTHECHASSSAND BEAWAREOFTHENECESSARYSAFETYPRECAUTIONSTOBEUSEDWHENSERVICINGELECTRONICEQUIPME NTCONTAINING HIGH VOLTAGES.
  • Page 2 Use of substitute replacementparts, which do not havethe same,specified safety characteristicsmaycreateshock, fire, or other hazards. Under nocircumstancesshouldthe original design be modified oralteredwithout written permission fromDELL.DELL assumes no liability, express orimplied, arisingout of any unauthorized modification of design. Servicer assumes all liability.
  • Page 3 1. MechanicalInstruction DELL D2721H 1 Disassembly Procedures: Use a Philips‐ head screwdriver to remove 1screw for unlocking mechanisms. Turn off power (Screw size=M3x6; Torque=4.5~6.5 kgfxcm) Unplug external cables from product Wedge your fingers(or plastic picks ) between the rear cover and the middle bezel...
  • Page 4 DELL D2721H Tear off the tape (Pic.10.1). Tear off 2 pieces tapes and 3 pieces aluminum Use a Philips‐ head/hexagon screwdriver to foil (pic.7.1) remove 7 screws and 2 hexagon screw for Disconnect the backlight cable and LVDS cable unlocking the main board and power board from the connectors of panel (pic.7.2).
  • Page 5 DELL D2721H Lift up the top side of the bezel, then pull down to take off the bezel.
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