GS WorldView Presents an Online Exclusive [::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::] [: Apple IIE Repair Guide :] [::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::] [: Part 4 of 5 :] [::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::] Written By: Double Density [::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::] Part IV - Keyboard Problems --------------------------- 1) Bad key action - some keys or no keys work Probable Defect: Remedy: ---------------- ------- a) Bad Key replace key b) Bad or loose cable check and replace cable c) Bad AY3600 at E14 replace and test d) Bad 2716 ROM at E12 replace and test 2) Bad key action - prints wrong characters Probable Defect: Remedy: ---------------- ------- a) Bad 2716 ROM at E12 replace and test b) Bad AY3600 at E14 replace and test 3) Bad key action - unwanted repeat Probable Defect: Remedy: ---------------- ------- a) Bad AY3600 at E14 replace and test b) Bad capacitor C71 replace (soldering required) 4) Repeat key won't work Probable Defect: Remedy: ---------------- ------- a) Bad Key replace and test b) Bad AY3600 at E14 replace and test c) Bad Capacitor C70 replace (soldering required) 5) Key top pops off Well, just glue that fucker back on or get a new keyboard. This concludes the fourth part in this series.