Dell UP3221Qb Simplified Service Manual Download Page 18

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1. Insert “SPS BD wire” into SPS

BD, I/F BD, MCU BD and TBT
BD (See Red Mark)

2. Dress “SPS BD wire” under

Middle Frame and adhere 3
conductive tapes to fix it on
Main SHD (See Orange mark)

3. Adhere an acetate tape to fix

“SPS BD wire” on Main SHD
(See Green mark)

1. Adhere mylars to Main SHD

2. Adhere an acetate tape on

“Mylar SHD MCU” and Middle
Frame to fix “SPS BD wire”
(See Yellow mark”)

Summary of Contents for UP3221Qb

Page 1: ... 1 Simplified Service Manual UP3221QB Version 01 Date 2020 11 16 ...

Page 2: ... 2 Content Index 1 General Safety Instructions 3 1 1 SAFETY General Safety 3 1 2 SAFETY General Power Safety 5 2 Disassembly SOP 6 3 Assembly SOP 14 ...

Page 7: ...ar and follow the sequency to disassemble Rear Cover from Middle Frame Scraper bar 4 1 Disassemble LENS BD from Middle Frame 2 Unplug CTRL BD FFC from LENS BD 3 Tear off MYLAR SHD VESA from Main SHD and unplug CTRL FFC from I F BD ...

Page 8: ... Tear off MYLAR SHD SOC from Main SHD and unplug USB FFC from SOC BD 5 Take off Rear Cover from Middle Frame 6 Tear off an acetate tape from Mylar SHD MCU and Middle Frame 7 Tear off all mylars from Main SHD ...

Page 9: ...HD to disassemble SPS BD wire from Middle Frame See Orange mark 3 Unplug SPS BD wire from SPS BD I F BD MCU BD and TBT BD See Red Mark 4 Unlock screw 10 to disassemble Main SHD from Panel See Blue mark 5 Unplug FAN wire from I F BD 6 Take off Main SHD from Panel Screw driver Torsion MF screw 4 0 4 5 kg ...

Page 10: ...RATOR FFC from SOC BD See Green mark 3 Unplug CALIBRATOR Color Wire from SOC BD See Blue mark 4 Unplug CALIBRATOR Black Wire from SOC BD See Red mark 5 Tear off the tapes from CALIBRATOR wires and Panel 6 Take out all CALIBRATOR wires from the hole of Main SHD ...

Page 11: ... 3 Unplug TBT BD Wire from TBT BD and SOC BD See Blue mark 4 Unplug SOC Backlight wire from SOC BD See Green mark 5 Tear off a yellow tape and unplug SOC wire from SOC BD See Purple mark 6 Unlock 2 PCBA screws to disassemble SOC BD from I F BD See Red mark 7 Disassemble Short Spacer from SOC BD See Pink mark Screw driver Torsion of PCBA screw 5 0 5 5 kg ...

Page 12: ...3 Unlock PCBA screw 5 to disassemble SPS BD from ASSY BKT PLATE Screw driver Torsion of PCBA screw 5 0 5 5 kg 9 1 Unplug MCU BD FFC from I F BD 2 Tear off a tape from EDP wire and TBT BD 3 Unplug TBT BD FFC and EDP wire from TBT BD Screw driver Torsion of PCBA screw 5 0 5 5 kg ...

Page 15: ...ix EDP wire on TBT BD 3 Insert MCU BD FFC into I F BD Screw driver Torsion of PCBA screw 5 0 5 5 kg 3 1 Assemble SPS BD to ASSY BKT PLATE and fix it by PCBA screws 5 2 Assemble AC Wire to ASSY BKT PLATE 3 Lock 1 grounding screw Screw driver Torsion of PCBA screw 5 0 5 5 kg ...

Page 17: ...d mark 7 Insert CALIBRATOR Color Wire into the 2 connectors on the right side of SOC BD See Blue mark 8 Insert CALIBRATOR FFC to SOC BD See Green mark 9 9 Adhere 2 yellow tapes to fix wires on SOC BD 7 1 Insert FAN wire into I F BD 2 Place Main SHD on Panel and fix it by screw 10 See Blue mark ...

Page 18: ... BD wire under Middle Frame and adhere 3 conductive tapes to fix it on Main SHD See Orange mark 3 Adhere an acetate tape to fix SPS BD wire on Main SHD See Green mark 9 1 Adhere mylars to Main SHD 2 Adhere an acetate tape on Mylar SHD MCU and Middle Frame to fix SPS BD wire See Yellow mark ...

Page 19: ...1 Insert CTRL FFC into I F BD See Blue mark 2 Insert USB FFC into SOC BD See Yellow mark 3 Adhere MYLAR SHD VESA and MYLAR SHD SOC on Main SHD 4 Insert CTRL BD FFC to LENS BD 5 Assemble LENS BD to Middle Frame ...

Page 20: ...g 12 1 Insert the stand base blocks fully into the stand slot 2 Lift the screw handle and turn the screw clockwise 3 After tightening the screw fold the screw handle flat within the recess 13 Attach the stand assembly to the monitor a Fit the two tabs on the upper part of the stand to the groove on the back of the monitor b Press the stand down till it snaps into place ...