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Dell E2220H Service Manual
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Dell E2220H Service Manual

22" lcd color monitor
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22" LCD Color Monitor
Service
Service
Service
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
SAFETY NOTICE
1
Dell E2220H
Horizontal Frequency
30 kHz to 83 kHz

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Summary of Contents for Dell E2220H

  • Page 1 Dell E2220H 22" LCD Color Monitor Service Service Service Horizontal Frequency 30 kHz to 83 kHz SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

  • Page 2: Important Safety Notice

    Important Safety Notice Proper service and repair is important to the safe, reliable operation of all DELL Company Equipment. The service procedures recommended by DELL and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose.

  • Page 3: Mechanical Instruction

    1. Mechanical Instruction DELLE2220H 1 Disassembly Procedures: Wedge your fingers(or plastic picks ) between the rear cover and the middle bezel Turn off power on the corners of the bottom side of the monitor to release the rear cover, then pull up carefully the rear cover in order of arrow Unplug external cables from product preference for unlocking mechanisms of rear...
  • Page 4 DELLE2220H Tear off 3 pieces of aluminum foil (pic.7.1) Lift up the bracket chassis module and put it disconnect the Remove the MYLAR , then on a protector cushion. Please pay attention keypad cable from the connectors of the main to ESD protection(wear ESD ring and so on).
  • Page 5 DELLE2220H Use a Philips‐head screwdriver to remove 3 screws Remove the Mylar from the hooks of the for unlocking the key board in frond cover. bracket chassis module. (No.1~3 screw size=M2x2, Torque=0.75~0.85kgfxcm) Use a Philips‐head screwdriver to remove 4 screws for unlocking the power board, then remove the board from the hooks of the bracket chassis.
  • Page 6 Tear up the keypad cable, then turn over the LCM and the frond cover, separate them, and put them on a protective cushion.