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Archive for March 10th, 2013

Crezar 12″ Black & White CRT of the 70′s

March 10th, 2013 8 comments
Crezar Black & White CRT of the 70's

Autopsy:

The Crezar CRT is a portable B/W television with 12 Inches screen format.

The quality of the picture are good even with a non excellent black level stabilization feedback, however was very reliable and almost faultless. Crezar was a little Italian manufacturer of cheap television sets in the 70′s. Crezar was a combination of  “Crespi e Zaretti” from Milano.

Video:

Categories: Crezar, Gallery, Retro Computers and other stuff...

Repairing Console Amstrad GX4000

March 10th, 2013 5 comments

Console Amstrad GX4000 Repaired.

The fault is was caused by a wrong power connection. It was ‘resting’ the power plug of 11v on the power plug of 5v (monitor input).

Replaced parts:

  • 1 x Z80A
  • 2 x RAM 41464P

The components have been recovered from the Amstrad 464+

Categories: Projects / Repairs, Today, Various

Repairing MBX Interface Expansion System for TI-99/4A

March 10th, 2013 No comments

TI-99/4A MBX Expansion System Repaired.

The interface MBX Expansion System was dead and the power voltage was in short-circuited. The failure was caused by the filter between the power supply and the 7805.

Video:

Categories: Gallery, Milton Bradley Company, Projects / Repairs, Retro Computers and other stuff..., Today, Various