Turning on the old Soviet clone of ZX Spectrum+ after it has been in the box for about 27 years and making it flash with a set of 24 LEDs! SHOCK! Arduino is not needed! )))
The review of "Sintez 2", a rather successful late Soviet engineering based on the Z80 48K architecture.
Full restoration video - • Восстановление советск...
** English subtitles available **
CONTENTS:
00:00 - Beginning
00:50 - Unboxing
01:55 - Power supply unit
03:50 - The patient is more alive than dead
04:27 - Overview of the user manual + disassembly
08:48 - Crystals on the terminals of elements
09:16 - Schematics
10:04 - Diagnostics
11:00 - Compensating the missing parts
12:53 - Mini keyboard
13:22 - KR580VV55A (Soviet clone of Intel 8255A)
15:29 - Sketch
16:05 - Flashing LEDs
16:47 - Happy ending
LINKS:
User manual, schematics and TAP-file - drive.google.com/drive/folder...
TOOLS:
TS-100 Soldering Iron - ali.ski/0Hc5ES
Soldering Iron Tip (original) for TS-100 - ali.ski/-sdF1
Soldering Iron Tip (not original) for TS-100 - ali.ski/1z8cdh
Silicone Mat - fas.st/MbWBDK
Syringe Needles - ali.ski/FQB6qc
Syringe Plunger - ali.ski/EFeLq
Desoldering Suction Pump - ali.ski/snq4m
LAOA Tweezers - ali.ski/BgsBF
Breadboard with wires - ali.ski/ZcGWy_
More Breadboards (сrystal one is cool) - ali.ski/6DU-t
40-pin Jumper Wires - ali.ski/BuQlZ
Banana Plug to Test Hook Clip Cable - ali.ski/u1ceJ6
LAOA Nippers - ali.ski/buDNO_
SUPPLIES:
Soldering Flux WNB - ali.ski/FElC4
Solder Wire (KAINA) - fas.st/NcwLm
EQUIPMENT:
UNI-T SMD Tester - ali.ski/LGZsF
Electronic load DL24 - ali.ski/ON2SN
COMPONENTS:
LED Kit - ali.ski/Bvtqwc
Resistor - ali.ski/tro67a
Tactile Push Button - ali.ski/_C8te
#zxspectrum #speccy #dmitrymuravyev
Негізгі бет Ғылым және технология Resuscitation of a 30-year-old Soviet ZX Spectrum clone (Eng subs)
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