HP P27q G4 - D-SUB Connector (CN101) Repair; Function Testing After Repair

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D-SUB connector CN101
Repair the D-SUB connector:
1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the
pin.
2) Lift the CN101 connector from the circuit board.
3) Place the new component on the circuit board. Be sure that it matches the circuit board
footprint.
4) Solder the new component.
Function test
After repair, be sure to confirm that all functions are working.
Function test
After repair, be sure to confirm that all functions are working.
Table 4-1: Function test
Te
st item
Operating description
Tool used
HDMI test
Confirm whether image displays and sound plays
correctly on the monitor.
Computer or DVD player
DP test
Confirm whether image displays and sound plays
correctly on the monitor.
Computer or DVD player
Audio test
Change volume and balance to confirm whether
volume is smooth and loud enough.
Speaker
Table 4-1: Function test
Test item
Operating description
Tool used
HDMI test
Confirm whether image displays and sound plays
correctly on the monitor.
Computer or DVD player
D-SUB test
Confirm whether image displays and sound plays
correctly on the monitor
Computer or D-SUB player