Compaq presario 1400 series User Manual

							PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 27
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
6. Remove two screws 1 on the PCA Button Board.
7. Pry with the flat end of a screwdriver and lift the PCA Button Board. The data cable that is 
attached to the PCA Button Board is still connected to the system board.
8. Disconnect the data cable 
3 on the bottom side of the PCA Button 
Board.
9. Remove the PCA Button Board 
2 from the chassis.
Note: The EMI Shields are lightweight pieces of metal. Be sure not to lose these shields 
when removing the PCA Button Board or Display Panel Assembly.
To replace the PCA Button Board, reverse these procedures. 
						

							28 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Display Panel Assembly
To remove the display panel assembly, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the Internet Button Board cover (pg 23
).
4. Remove the keyboard (pg 25
).
5. Remove the PCA Button Board (pg 26
).
6. Remove the four screws 
1 from the hinges securing the Display Panel Assembly. Be sure to 
keep the EMI shields with the Display Panel Assembly.
7. Lift and remove the Display Panel 
2 Assembly from the chassis.
Note: The EMI Shields are lightweight pieces of metal. Be sure not to lose the shields 
when removing the PCA Button Board or Display Panel Assembly.
To replace the Display Panel Assembly, reverse these procedures. 
						

							PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 29
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
MP3 Zone Cover
To Remove the MP3 Zone Cover, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the speaker port covers (pg 8
).
4. Remove the four screws 
1 from the MP3 Zone Cover.
5. Pull the MP3 Zone Cover 
2 forward and remove it from the chassis.
To replace the MP3 Zone Cover, reverse these procedures. 
						

							30 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Heatspreader with Fan Assembly
To remove the Heatspreader with Fan Assembly, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the Internet Button Board cover (pg 23
).
4. Remove the keyboard (pg 25
).
5. Remove five screws 
1 with a T-9 Torx driver.
6. Remove the heatspreader 
2 with fan assembly.
7. Disconnect the fan cable 
3 from the system board.
To replace the heatspreader, reverse these procedures. 
Note: When replacing the Heatspreader, be sure that the Heatspreader is lying on top of the 
CPU Upper Cover with Palmrest and Touch Pad. The CD/DVD will not operate if the 
Heatspreader is installed incorrectly. 
						

							PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 31
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Fan Assembly
To remove the Fan Assembly, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the Internet Button Board cover (pg 23
).
4. Remove the keyboard (pg 25
).
5. Remove the Heatspreader with Fan Assembly (pg 30
).
6. Remove two screws 
1 with a Phillips screwdriver. 
7. Lift and remove the Fan Assembly 
2 from the Heatspreader.
To replace the Fan Assembly, reverse the procedure. 
						

							32 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Palmrest Cover with TouchPad (Upper CPU)
To remove the Palmrest Cover with TouchPad (Upper CPU), complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the speaker port covers (pg 8
).
4. Remove the Power-on and Internet Button Board Cover (pg 23
).
5. Remove the keyboard (pg 25
).
6. Remove the PCA Button Board (pg 26
).
7. Remove the display panel assembly (pg 28
).
8. Remove the Modem/Memory Access Door (pg 9
).
9. Remove the MP3 Zone Cover (pg 29
).
10. Remove the Heatspreader (pg 30
).
Continued 
						

							PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 33
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
11. Remove seven screws 1 and one standoff from the Upper CPU Cover 
with Palmrest and TouchPad. 
12. Remove the TouchPad data cable with a flat-blade screwdriver.
13. Lift the Upper CPU Cover with Palmrest and TouchPad 
2 upward and remove 
it from the chassis.
Note: Illustrations may show a fewer number of screws removed. It is necessary to 
remove only the parts listed in the written procedure.
To replace the Upper CPU Cover with Palmrest and TouchPad, reverse these procedures. 
						

							34 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Modem/Modem-NIC Combo Cable
To remove the NIC (Network Interface Card) cable, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the speaker port covers (pg 8
).
4. Remove the Modem/Memory Access Door (pg 9
).
5. Remove the Internet Button Board cover (pg 23
).
6. Remove the keyboard (pg 25
).
7. Remove the PCA Button Board (pg 26
).
8. Remove the display panel assembly (pg 28
).
9. Remove the MP3 zone cover (pg 29
).
10. Remove the heatspreader (pg 30
).
11. Remove the Palmrest Cover with TouchPad, Upper CPU, (pg 32
).
Continued 
						

							PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 35
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
12. Disconnect and lift off the large end 1 of the Modem/NIC cable connector 
located near the hard drive.
13. Disconnect and lift off the small end 
2 of the Modem/NIC cable connector located 
near the rear of the unit.
14. Remove one standoff with a 5mm nut driver.
15. Remove NIC cable from chassis.
To replace the NIC Cable, reverse the procedure. 
						

							36 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
MP3 Audio Board
To remove the MP3 Audio Board, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the speaker port covers (pg 8
).
4. Remove the Modem/Memory Access Door (pg 9
).
5. Remove the Internet Button Board Cover (pg 23
).
6. Remove the keyboard (pg 25
).
7. Remove the PCA Button Board (pg 26
).
8. Remove the display panel assembly (pg 28
).
9. Remove the MP3 Zone Cover (pg 29
).
10. Remove the Heatspreader (pg 30
).
11. Remove the Palmrest Cover with TouchPad, Upper CPU, (pg 32
).
Continued