HP Pavilion TouchSmart 15-n300 Maintenance and Service Guide - Page 80

Hard drive cable, Power connector cable

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Description HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W Spare part number 755270-001 755270-501 755270-601 Before removing the system board, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 40), and then remove the following components: a. Optical drive (see Optical drive on page 45). b. Service door (see Service door on page 42). c. WLAN module (see WLAN module on page 44). d. Memory module (see Memory module on page 42). e. Keyboard (see Keyboard on page 51). f. Top cover (see Top cover on page 55). g. Hard drive (see Hard drive on page 59). When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Hard drive cable ● Power connector cable ● RTC battery (see RTC battery on page 74) ● Fan (see Heat sink assembly on page 78) ● Heat sink assembly (see Heat sink assembly on page 78) Remove the system board: 1. Disconnect the following cables from the system board: (1) Display panel cable (2) Speaker cable (3) Optical drive connector cable (4) Power connector cable 70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Description
Spare part number
HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W
755270-001
HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W
755270-501
HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W
755270-601
Before removing the system board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
40
), and then remove the following components:
a.
Optical drive (see
Optical drive
on page
45
).
b.
Service door (see
Service door
on page
42
).
c.
WLAN module (see
WLAN module
on page
44
).
d.
Memory module (see
Memory module
on page
42
).
e.
Keyboard (see
Keyboard
on page
51
).
f.
Top cover (see
Top cover
on page
55
).
g.
Hard drive (see
Hard drive
on page
59
).
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
Hard drive cable
●
Power connector cable
●
RTC battery (see
RTC battery
on page
74
)
●
Fan (see
Heat sink assembly
on page
78
)
●
Heat sink assembly (see
Heat sink assembly
on page
78
)
Remove the system board:
1.
Disconnect the following cables from the system board:
(1)
Display panel cable
(2)
Speaker cable
(3)
Optical drive connector cable
(4)
Power connector cable
70
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts