NOKIA NSM2-020 free download

File name NSM2-020.PDF

CONFIDENTIAL 1 (3) Nokia Mobile Phones Service Bulletin No. SB-020/16.03.00 Technical Support, Europe & Africa NSM-2 RTC-BATTERY MODIFICATION If there are complaints that date and time have to be set again after removing the battery for a short period of time and RTC-battery is properly in its place, it is possible that spring contacts does not work in exactly right way. In this cases please follow the procedure described on page 2 and 3, also when replacing RTC-battery with a new one. NSM-2 SB-020 CONFIDENTIAL 2 (3) Plus (short) Spring Bending Using tweezers take a grip of short spring. During all following operations (also Minus spring bending) use your thump to push backup battery cell toward the keymat to prevent it get loose. Bend spring upwards. Make sure bending will happen at the area which has the original bending. Angle between bent spring and keymat backside is approximately 45 degrees. 45 NSM-2 SB-020 CONFIDENTIAL 3 (3) Minus (long) Spring Bending Take a grip of long spring with tweezers. Parallel to keymat side pull spring toward the backup battery cell. While pulling use linear motion. Supporting tweezers to keymat and using rolling motion is forbidden! As a end result long spring contact point will be at the same line (normal to keymat centerline) as previously bent short spring (A). Contact point shall be at the same height from keymat backside as the short