User contributions for Mark999

3 March 2024

• 23:5723:57, 3 March 2024 diff hist +174‎ R7912 ‎ add pulsed laser app note 47N1.1
• 23:4923:49, 3 March 2024 diff hist +12‎ m Ethernet ‎ add awg610 current
• 23:4023:40, 3 March 2024 diff hist +28‎ m AWG2005 ‎ gpib current

22 February 2024

• 23:1923:19, 22 February 2024 diff hist +27‎ m 7912AD ‎ adding to 'manual needed' category since we only have partials
• 23:0923:09, 22 February 2024 diff hist +110‎ N File:062-2909-00.pdf ‎ Datasheet describing a Self Test Adapter for 4051/4081, part numbers 013-0173-00 and 013-0173-01 current

21 February 2024

• 22:2122:21, 21 February 2024 diff hist +659‎ DC503/Repairs ‎ attenuators, -22v rail current
• 22:0022:00, 21 February 2024 diff hist +40‎ m TM500 and TM5000 mainframes/Repairs ‎No edit summary current
• 21:5921:59, 21 February 2024 diff hist +278‎ N TM500 and TM5000 mainframes/Repairs ‎ check your pass transistors

17 February 2024

• 22:0922:09, 17 February 2024 diff hist +100‎ m 2N4249 ‎ usage
• 22:0322:03, 17 February 2024 diff hist −497‎ 2N4249 ‎ is 2N4249

16 February 2024

• 21:2521:25, 16 February 2024 diff hist +96‎ m 2N4249 ‎ specs from 1982 parts catalog
• 20:1420:14, 16 February 2024 diff hist +136‎ m 2N4249 ‎ template
• 19:3719:37, 16 February 2024 diff hist +6‎ m 2N4249 ‎ used in
• 19:3219:32, 16 February 2024 diff hist +709‎ N 2N4249 ‎ add page, pnp si

15 February 2024

• 22:0022:00, 15 February 2024 diff hist +325‎ User talk:Peter ‎ →‎Missing ROM images: new section

11 February 2024

• 14:4214:42, 11 February 2024 diff hist −1‎ m SG505 ‎ typo

23 January 2024

• 23:1223:12, 23 January 2024 diff hist +107‎ User:Mark999 ‎No edit summary current
• 22:5922:59, 23 January 2024 diff hist +187‎ N User:Mark999 ‎ initial
• 22:4822:48, 23 January 2024 diff hist +164‎ Back-lit switches ‎ add images of switch repair
• 22:4222:42, 23 January 2024 diff hist +52‎ N File:Switch lube.jpg ‎ Injecting contact lube into the switch current
• 22:4222:42, 23 January 2024 diff hist +67‎ N File:Switch xacto.jpg ‎ Creating a hole in the switch housing for lubrication current
• 22:4122:41, 23 January 2024 diff hist +72‎ N File:7A12 switch.jpg ‎ Interlocked switch gang in a 7A12, with metal light guide. current
• 22:3722:37, 23 January 2024 diff hist +761‎ Back-lit switches ‎ fixing sticky interlocked switches

17 January 2024

• 18:3318:33, 17 January 2024 diff hist +131‎ Elapsed time meter ‎ add 7L5