HP Z38c, Руководство по техническому обслуживанию и ремонту

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2. Lift the J4 connector from the PCB.
3. Place the new component on the PCB. Be sure that it matches the PCB footprint
4. Solder the new component.
USB connector J5
1. Use a hot air gun to melt the solder on the pins. Pin solder with soldering iron and absorber. You
can gently push down with the soldering iron once everything is molten to move the J5 out of the
through holes.
2. Lift the J5 connector from the PCB.
3. Place the new component on the PCB. Be sure that it matches the PCB 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
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
D-SUB test Confirm whether image displays and sound
plays correctly on the monitor. Computer or DVD player