HP Pavilion Dv7 4000 Entertainment Notebook Pc Series Manual

Connector pin assignments
Maintenance and Service Guide9–3
External monitor
 
Pin Signal 
1 Red analog 
2 Green analog 
3 Blue analog 
4 Not connected 
5 Ground 
6 Ground analog 
7 Ground analog 
8 Ground analog 
9 +5 VDC 
10 Ground 
11 Monitor detect 
12  DDC 2B data 
13 Horizontal sync 
14 Vertical sync 
15  DDC 2B clock  

9–4Maintenance and Service Guide
Connector pin assignments
HDMI
 
Pin Signal 
1  Transition minimized differential signal (TDMS) data 2+ 
2 
Transition minimized differential signal (TDMS) data 2 shield 
3 
Transition minimized differential signal (TDMS) data 2- 
4 
Transition minimized differential signal (TDMS) data 1+ 
5 
Transition minimized differential signal (TDMS) data 1 shield 
6 
Transition minimized differential signal (TDMS) data 1 shield 
7 
Transition minimized differential signal (TDMS)...

Connector pin assignments
Maintenance and Service Guide9–5
RJ-11 (modem)
RJ-45 (network)
Pin Signal
1  Unused
2 Tip
3 Ring
4 Unused
5 Unused
6 Unused
Pin Signal 
1 Transmit + 
2 Transmit 
3 Receive + 
4 Unused 
5 Unused 
6 Receive - 
7 Unused 
8 Unused  

9–6Maintenance and Service Guide
Connector pin assignments
Universal Serial Bus
 
Pin Signal 
1 +5 VDC 
2 Data -
3 Data + 
4 Ground  

Maintenance and Service Guide10 – 1
10
Power cord set requirements
The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC 
or from 220 to 240 volts AC. 
The 3-conductor power cord set included with the computer meets the requirements for use in the country or region 
where the equipment is purchased. 
Power cord sets for use in other countries and regions must meet the requirements of the country or region where 
the computer is used....

10 – 2Maintenance and Service Guide
Power cord set requirements
Requirements for specific countries and regions
Country/region Accredited agency  Accredited agency Applicable note number 
Australia EANSW 1
Austria OVE 1
Belgium CEBC 1
Canada CSA 2
Denmark DEMKO 1
Finland FIMKO 1
France UTE 1
Germany VDE 1
Italy IMQ 1
Japan METI 3
The Netherlands  KEMA 1
Norway NEMKO 1
The Peoples Republic of China  CCC 5
South Korea  EK 4
Sweden SEMKO 1
Switzerland SEV 1
Taiwan BSMI 4
The United Kingdom  BSI 1
The United...

Maintenance and Service Guide11 – 1
11
Recycling
Battery 
When a battery has reached the end of its useful life, do not dispose of the battery in general household waste. 
Follow the local laws and regulations in your area for computer battery disposal. 
Display 
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WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging 
this component and causing exposure to the mercury. 
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CAUTION: The procedures in this chapter can result in damage to...

11 – 2Maintenance and Service Guide
Recycling
Perform the following steps to disassemble the display assembly: 
1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. 
2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel 
until the bezel disengages from the display assembly. 
3. Remove the display bezel 3.  

Recycling
Maintenance and Service Guide11 – 3
4. Disconnect all display panel cables 1 from the display inverter and remove the inverter 2. 
5. Remove all screws 1 that secure the display panel assembly to the display enclosure. 
6. Remove the display panel assembly 2 from the display enclosure. 
7. Turn the display panel assembly upside down. 
8. Remove all screws that secure the display panel frame to the display panel.  

11 – 4Maintenance and Service Guide
Recycling
9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame. 
10. Remove the display panel frame 2 from the display panel. 
 
11. Remove the screws 1 that secure the backlight cover to the display panel. 
12. Lift the top edge of the backlight cover 2 and swing it outward. 
13. Remove the backlight cover. 
14. Turn the display panel right-side up. 
15. Remove the backlight cables 1 from the clip 2 in the...