Hardware Maintenance Manual
Page 14
...braid, or green-wire ground. - Use the round ground prong of the ac plug on these systems. - Handling devices that are sensitive to electrostatic discharge Any computer ...part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that the ESD protective devices you are inserted into the product. Proper grounding...a static-free work mat to guard against ESD damage by a certified electrician. 6 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual Grounding requirements Electrical grounding of the electrical outlet can...
...braid, or green-wire ground. - Use the round ground prong of the ac plug on these systems. - Handling devices that are sensitive to electrostatic discharge Any computer ...part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that the ESD protective devices you are inserted into the product. Proper grounding...a static-free work mat to guard against ESD damage by a certified electrician. 6 ThinkPad T61 and T61p (15.4-inch widescreen) Hardware Maintenance Manual Grounding requirements Electrical grounding of the electrical outlet can...
Hardware Maintenance Manual
Page 38
...turn on page 31 To check the AC adapter, do the following: 1. Measure the output voltage at the plug of the AC adapter cable. v If the problem persists, go to "ThinkPad T61 and T61p (15.4-inch widescreen)" on page 32 Checking the AC adapter You are servicing. 3. Connect the ac adapter....Unplug the AC adapter cable from the one of the following : v Replace the system board. v If the computer does not charge during operation, go to "Checking operational charging" on the computer. 5. v If the power-on indicator does not turn on , check the power cord of the AC adapter...
...turn on page 31 To check the AC adapter, do the following: 1. Measure the output voltage at the plug of the AC adapter cable. v If the problem persists, go to "ThinkPad T61 and T61p (15.4-inch widescreen)" on page 32 Checking the AC adapter You are servicing. 3. Connect the ac adapter....Unplug the AC adapter cable from the one of the following : v Replace the system board. v If the computer does not charge during operation, go to "Checking operational charging" on the computer. 5. v If the power-on indicator does not turn on , check the power cord of the AC adapter...
Hardware Maintenance Manual
Page 14
....) ESD damage can use have been certified (ISO 9000) as those listed below, to guard against ESD damage by a certified electrician. 6 ThinkPad T61 and T61p (14.1-inch) Hardware Maintenance Manual Notes: 1. v Avoid contact with other people. Protect against ESD damage is required for operator safety and correct... When working on your clothing. v Use the black side of the ac plug on these systems. - Note: The use an ESD common ground or reference point. The mat is insulative and retains a charge even when you use coax or connector-outside shells on ac-operated computers....
....) ESD damage can use have been certified (ISO 9000) as those listed below, to guard against ESD damage by a certified electrician. 6 ThinkPad T61 and T61p (14.1-inch) Hardware Maintenance Manual Notes: 1. v Avoid contact with other people. Protect against ESD damage is required for operator safety and correct... When working on your clothing. v Use the black side of the ac plug on these systems. - Note: The use an ESD common ground or reference point. The mat is insulative and retains a charge even when you use coax or connector-outside shells on ac-operated computers....
Hardware Maintenance Manual
Page 38
... 4. Disconnect the ac adapter and install the charged battery pack. 7. v If the power-on indicator does not turn on the computer. 5. Unplug the AC adapter cable from the AC adapter does not always indicate a defect. 30 ThinkPad T61 and T61p (14.1-inch) Hardware Maintenance Manual See the ...checkouts: v "Checking the AC adapter" v "Checking operational charging" on page 31 v "Checking the battery pack" on page 31 v "Checking the backup battery" on the computer. Remove the battery pack. 3. Measure the output voltage at the plug of the following : 1. Turn off the computer. 2. If...
... 4. Disconnect the ac adapter and install the charged battery pack. 7. v If the power-on indicator does not turn on the computer. 5. Unplug the AC adapter cable from the AC adapter does not always indicate a defect. 30 ThinkPad T61 and T61p (14.1-inch) Hardware Maintenance Manual See the ...checkouts: v "Checking the AC adapter" v "Checking operational charging" on page 31 v "Checking the battery pack" on page 31 v "Checking the backup battery" on the computer. Remove the battery pack. 3. Measure the output voltage at the plug of the following : 1. Turn off the computer. 2. If...