HP RP7 Maintenance & Service Guide HP RP7 Retail System Model 7800 - Page 118

USB+PWR 24V and Cash Drawer Port Daughter Card

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USB+PWR 24V and Cash Drawer Port Daughter Card Description USB+PWR 24V and Cash Drawer port daughter card Spare part number 702775-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 46). 2. Remove the rear I/O panel (Rear I/O Panel on page 49). 3. Remove the mounting bracket cover (Mounting Bracket Cover on page 53). 4. Remove the display head back panel (Display Head Back Panel on page 54). 5. Remove the display head from the stand (Removing the Display Head from the Stand on page 90). 6. Remove the rear metal plate (Rear Metal Plate (EMI shield) on page 91). 7. Remove the hood sensor cable from the clip on top of the card (1). 8. Remove the two Torx screws (2) that secure the card to the system board. 9. Lift the card straight up to disconnect it from the system board connector (3), and then remove it from the computer. Figure 8-14 Removing the USB+PWR 24V and Cash Drawer port daughter card To install the USB+PWR 24V and Cash Drawer port daughter card, reverse the removal procedure. 108 Chapter 8 Removal and Replacement Procedures

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USB+PWR 24V and Cash Drawer Port Daughter Card
Description
Spare part number
USB+PWR 24V and Cash Drawer port daughter card
702775-001
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
46
).
2.
Remove the rear I/O panel (
Rear I/O Panel
on page
49
).
3.
Remove the mounting bracket cover (
Mounting Bracket Cover
on page
53
).
4.
Remove the display head back panel (
Display Head Back Panel
on page
54
).
5.
Remove the display head from the stand (
Removing the Display Head from the Stand
on page
90
).
6.
Remove the rear metal plate (
Rear Metal Plate (EMI shield)
on page
91
).
7.
Remove the hood sensor cable from the clip on top of the card
(1)
.
8.
Remove the two Torx screws
(2)
that secure the card to the system board.
9.
Lift the card straight up to disconnect it from the system board connector
(3)
, and then remove it
from the computer.
Figure 8-14
Removing the USB+PWR 24V and Cash Drawer port daughter card
To install the USB+PWR 24V and Cash Drawer port daughter card, reverse the removal procedure.
108
Chapter 8
Removal and Replacement Procedures