HP 20s Calculator Screen/Keyboard Repair
6:45
HP 32SII Calculator Keyboard/Screen Repair (and other Pioneer models)
17:11
HP 48SX Repair - Power On Failure -- Keyboard Failure
42:32
How to Fix an HP 20S Calculator That Won't Turn On
17:54
Comparison of HP 32SII, HP 33S and HP 35S scientific calculators
12:43
LCD repair
28:40
HP 49G keyboard not working FIXED, calculator disassembly and repair
11:24
Recuperando Display LCD
17:09