Tektronix 4052A - Repair Display Board Issue
Автор: Capó's Tech
Загружено: 2024-09-02
Просмотров: 159
My first contact with Tektronix computer vector graphics display based. Thanks to Universitat de les Illes Balears #uib and Monty McGraw @TEK-Vectors for his support :)
This video explain my first reparation experience with an old Tektronix Vector Graphics Computer. Screen no shows nothing and computer logic board appears do something because this computer had speaker and beeps when execute or BASIC errors occurs. Then contact with VCFE with a Master of Tektronix terminals Monty McGraw and help to me to find correct schematic documentation for this model 4052A. First inspection concludes some fuses of +12v and -12v are blowup then inspect where go this line voltages and remove Display Board from chasis carefully and start with DMM check with continuity where is the short circuit until found 4 tantalum capacitors are in short circuit between +12v and GND!
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