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53
Indeterminate problems
· You are here because the diagnostic tests did not identify which adapter or device failed, wrong devices
are installed, a short circuit is suspected, or the system is inoperative.
Follow these procedures to isolate the failing FRU (do not isolate FRUs that have no defects).
· Verify that all attached devices are supported by the computer.
· Verify that the power supply being used at the time of the failure is operating correctly.
1. Power off the computer
2. Visually check each FRU for damage. Replace any damaged FRU.
3. Remove or disconnected all of the following devices :
a. Non-LG devices.
b. Printer, mouse, and other external devices.
c. Battery pack.
d. PC cards.
e. ODD (CD-ROM, Combo) drive or FDD drive in the Bay.
f. Hard-disk drive.
Note
Use the other memory card because it needs when operating computer.
4. Power on the computer.
5. Determine whether the problem has changed.
6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one at a time.
(do not replace a non-defective FRU)
a. LCD assembly (Check external monitor whether the same problem recurs or not).
b. Keyboard.
c. Keydeck (TouchPad and Scroll Button assembly).
d. System board.
Ch4. Symptom-to-part index
Содержание P1
Страница 2: ...0 Service Manual S1 P1 LG Electronics ...
Страница 21: ...19 System Block Diagram Ch3 System information ...
Страница 31: ...29 Ch3 System information c Select File Format as Image Files iso d Open Image File iso which is sent from LGE ...
Страница 32: ...30 Ch3 System information e Tab Next then burning will be started f Burn process completed as below and tab OK ...
Страница 59: ...57 2 Pull the HDD Assy out in the direction shown below Ch5 Removing and replacing a part ...
Страница 61: ...59 2 Disconnect the WLAN Card Antenna cable then remove the WLAN Card Ch5 Removing and replacing a part ...
Страница 63: ...61 3 Disconnect the keyboard connector Ch5 Removing and replacing a part ...
Страница 65: ...63 Ch5 Removing and replacing a part ...
Страница 68: ...66 Ch5 Removing and replacing a part ...
Страница 72: ...70 Ch5 Removing and replacing a part ...
Страница 76: ...74 3 Remove 5 screws 5 M2 5 x L6 0 1SZZBA4080J 1 Qty Specification FRU No No Ch5 Removing and replacing a part ...
Страница 77: ...75 4 Remove the Cardbus 5 in 1 Dummy Ch5 Removing and replacing a part ...
Страница 79: ...77 Ch5 Removing and replacing a part ...
Страница 81: ...79 3 Remove the Fan Assembly 2 Disconnect the Fan Assembly connector Ch5 Removing and replacing a part ...
Страница 83: ...81 3 Remove the Main Board Ch5 Removing and replacing a part ...
Страница 86: ...84 3 Remove the Audio sub board Ch5 Removing and replacing a part ...
Страница 88: ...86 2 Remove the Finger Printer Ch5 Removing and replacing a part ...
Страница 90: ...88 2 Remove the Touchpad Ch5 Removing and replacing a part ...
Страница 92: ...90 2 Disassemble the LCD Hook located on top of LCD Ch5 Removing and replacing a part ...
Страница 93: ...91 3 Remove a screw 1 M2 5 x L4 5 1SZZBA4080F 1 Qty Specification FRU No No Ch5 Removing and replacing a part ...
Страница 97: ...95 Ch5 Removing and replacing a part ...
Страница 106: ...Rocky W EXPLODED VIEW 2 NSCRC NBRKH NSCRC NCSNH NHDD1 NLAN1 NCVRC NMEM1 NCVRS ...
Страница 113: ...Rocky W EXPLODED VIEW 9 NSCR2 NSCR2 NSCR2 NSCR2 NSUBB NSUBT NSUBF NSUBA NSCR2 ...
Страница 118: ...Rocky W EXPLODED VIEW 14 NSCR7 NSCR7 NFAN1 NSCRA NFAN2 NSCR7 NMDM1 NCPU1 NMEM1 ...