HP Presario CQ35-100 Compaq Presario CQ35 Notebook PC - Maintenance and Servic - Page 72

LED board

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Removal and replacement procedures LED board Description LED board (includes cable) Spare part number 531826-001 Before removing the LED board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 6). 5. Remove the following components: a. Hard drive (see "Hard drive" on page 8) b. Optical drive (see "Optical drive" on page 16) c. Keyboard (see "Keyboard" on page 18) d. Keyboard cover (see "Keyboard cover" on page 20) e. Right speaker (see "Right speaker" on page 22) f. Top cover (see "Top cover" on page 23). Remove the LED board and cable: 1. Disconnect the LED board cable 1 from the system board. 2. Remove the LED board cable from the clips 2 and routing channel built into the base enclosure. 3. Remove the Phillips PM2.0×4.0 screw 3 that secures the LED board to the base enclosure. 4. Remove the LED board and cable 4. Reverse this procedure to install the LED board. 4-36 Maintenance and Service Guide

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Maintenance and Service Guide
Removal and replacement procedures
LED board
Before removing the LED board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 6
).
5. Remove the following components:
a.
Hard drive (see
“Hard drive” on page 8
)
b.
Optical drive (see
“Optical drive” on page 16
)
c.
Keyboard (see
“Keyboard” on page 18
)
d.
Keyboard cover (see
“Keyboard cover” on page 20
)
e.
Right speaker (see
“Right speaker” on page 22
)
f.
Top cover (see
“Top cover” on page 23
).
Remove the LED board and cable:
1. Disconnect the LED board cable
1
from the system board.
2. Remove the LED board cable from the clips
2
and routing channel built into the base enclosure.
3. Remove the Phillips PM2.0×4.0 screw
3
that secures the LED board to the base enclosure.
4. Remove the LED board and cable
4
.
Reverse this procedure to install the LED board.
Description
Spare part number
LED board (includes cable)
531826-001