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24" 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
Dell D2421DS
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Summary of Contents for Dell D2421DS
- Page 1 Dell D2421DS 24" LCD Color Monitor Service Service Service 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 Mechanical Instruction DELLD2421DS 1 Disassembly Procedures: Wedge plastic picks between the rear cover and the middle bezel on the corners of the Turn off power bottom side of the monitor to release the rear cover, then pull up carefully the rear cover in order of arrow preference for Unplug external cables from product unlocking mechanisms of rear cover.
- Page 3 DELLD2421DS Tear off 4 pieces of aluminum foil (pic.7.1) Lift up the bracket chassis module and put it disconnect the keypad cable from the then on a protector cushion. Please payattention connectors of the main board(pic.7.2). Tearoff to ESD protection(wear ESD ring and so on). 2 pieces tape, disconnect the backlight cable from the connectors of the power board and panel module(pic.7.3).
- Page 4 DELLD2421DS Take off the mylar Use a screwdriver to remove last 2 screws for unlocking the power board, then remove the board from the hooks of the bracket chassis. (No.1~2 screw size=M3x6, Torque=4.5~6.5kgfxcm Use a Philips‐head screwdriver to remove 9 screws for unlocking the bezel, then remove bezel...