User manual LG LP60-71AF2

[. . . ] LG may make improvements or changes to the products or the programs described in this publication at any time. It is possible that this publication may contain references to, or information about, LG products (machines and programs), programming, or services that are not announced in your country. Such references or information must not be construed to mean that LG intends to announce such LG products, programming, or services in your country. Requests for technical information about LG products should be made to your LG authorized dealer or your LG marketing representative. [. . . ] The following list provides some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use. Important The following is not covered under warranty: LCD panel cracked from the application of excessive force or from being dropped. Cracked or broken plastic parts, broken latches, broken pins, or broken connectors caused by excessive force. Damage caused by liquid spilled into the system. Damage caused by the improper insertion of a PC Card or the installation of an incompatible card. Damage caused by foreign material in the diskette drive. Diskette drive damage caused by pressure on the diskette drive cover or by the insertion of a diskette with multiple labels. Fuses blown by attachment of a nonsupported device. Forgotten computer password (making the computer unusable). 20 ThinkPad 570 and 570E Hardware Maintenance Manual Read this first Important The following symptoms might indicate damage caused by nonwarranted activities: Missing parts might be a symptom of unauthorized service or modification. Hard disk drive spindles can become noisy from being subjected to excessive force or from being dropped. I9990303 errors can be caused by exposure to strong magnetic fields. If both the power-on password and the supervisor password are set, do the following to remove them: 1. Power on the computer by pressing and holding F1. Enter the supervisor password, and press the Space bar. The power-on password has been removed. General descriptions 23 Related service information Power management features To reduce power consumption, the computer has three power management modes: standby, suspend, and hibernation. Standby mode: occurs: In standby mode, the following The LCD backlight turns off. Note: Standby mode in Windows 98 is called suspend mode in Windows 95. To end standby mode and resume normal operation, press any key. Suspend mode: When the computer enters suspend mode, the following events occur in addition to what occurs in standby mode: The LCD is powered off. Suspend mode in Windows 95 is called standby mode in Windows 98. You can cause the computer to enter suspend mode by doing any of the following: Press Fn + F4. (To prevent the computer from entering suspend mode when the LCD is closed, click Will not suspend even if LCD is closed in the Power Management Properties window. Then only the LCD turns off. ) Select the Suspend button in the Fuel Gauge program. In certain circumstances, the computer goes into suspend mode automatically: If a "suspend time" has been set on the timer, and the user does not do any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within the time set. If the battery indicator blinks orange, indicating that the battery power is low. [. . . ] Insert the tabs of the cable shield 4 into the holes of the base cover. ThinkPad 570 and 570E 73 Removing and replacing a FRU 1150 Upper shield Battery pack (1010) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Frame and power switch (1080) Step 2 3 Screw (quantity) M2. 5 x 4. 8 mm (3) M2 x 9 mm (4) Torque 4 kgcm 2 kgcm (continued) 74 ThinkPad 570 and 570E Hardware Maintenance Manual Removing and replacing a FRU For the ThinkPad 570 computer Step 6 7 2 kgcm Screw (quantity) M2. 5 x 4. 8 mm (3) M2 x 9 mm (3) Torque 4 kgcm Yellow (continued) ThinkPad 570 and 570E 75 Removing and replacing a FRU For the ThinkPad 570E computer Step 5 6 Screw (quantity) M2 x 9 mm (3) M2. 5 x 4. 8 mm (1) Torque 4 kgcm 4 kgcm 76 ThinkPad 570 and 570E Hardware Maintenance Manual Removing and replacing a FRU 1160 Fan Battery pack (1010) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Frame and power switch (1080) Upper shield (1150) For the ThinkPad 570 computer Note: Do not pinch the fan cable when re-installing the fan. Step 1 Screw (quantity) M2 x 9 mm (2) Torque 2 kgcm ThinkPad 570 and 570E 77 Removing and replacing a FRU For the ThinkPad 570E computer Step 1 Screw (quantity) M2. 5 x 4. 8 mm (2) Torque 2 kgcm When replacing: 1. Make sure not to pinch the fan cable when re-installing the fan. Apply grease to the underside of the surface shown in the dotted square in the following figure: 78 ThinkPad 570 and 570E Hardware Maintenance Manual Removing and replacing a FRU 1170 LCD unit Battery pack (1010) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Frame and power switch (1080) Step 1 Screw (quantity) M2. 5 x 4. 8 mm (4) Torque 4 kgcm (continued) ThinkPad 570 and 570E 79 Removing and replacing a FRU Step 2 3 5 Screw (quantity) M2 x 9 mm (1) M2. 5 x 4. 8 mm (1) M2. 5 x 4. 8 mm (2) Torque 4 kgcm 4 kgcm 4 kgcm 80 ThinkPad 570 and 570E Hardware Maintenance Manual Removing and replacing a FRU 1180 System board assembly Battery pack (1010) Backup battery (1020) DIMM (1030) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Modem card (1070) Frame and power switch (1080) Audio card (1090) Modem jack (1100) Speaker (1110) Audio cable (1120) PC Card slots (1130) Hard disk drive cable (1140) Upper shield (1150) LCD unit (1170) Step 1 Screw (quantity) M2. 5 x 4. 8 mm (4) Torque 4 kgcm ThinkPad 570 and 570E 81 Removing and replacing a FRU 1190 I/O Connector cable or system board Battery pack (1010) Backup battery (1020) DIMM (1030) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Modem card (1070) Frame and power switch (1080) Audio card (1090) Modem jack (1100) Speaker (1110) Audio cable (1120) PC Card slots (1130) Hard disk drive cable (1140) Upper shield (1150) LCD unit (1170) Step 1 Screw (quantity) M2. 5 x 4. 8 mm (2) Torque 4 kgcm (continued) 82 ThinkPad 570 and 570E Hardware Maintenance Manual Removing and replacing a FRU ThinkPad 570 and 570E 83 Removing and replacing a FRU 2010 LCD front bezel Battery pack (1010) Hard disk drive (1040) Keyboard (1050) Center cover (1060) Frame and power switch (1080) LCD unit (1170) CAUTION: The inverter card has a high tension current. To avoid shock hazard, never power on the computer when the LCD cover is opened. [. . . ]