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ZX81

sinclair

Service Manual And Assembly Instructions

This technical manual was OCR'ed for the Sinclair world by Andy Dansby. [email protected] All intellicial information...


sinclair

ZX81

File Download Download ZX81 Datasheet


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This technical manual was OCR'ed for the Sinclair world by Andy Dansby. [email protected] All intellicial information contained inside this technical manual is the property of Amstrad. IMPORTANT: Read through the instructions before you start assembly. If anything seems unclear or difficult, contact us for advice before going ahead. 1. PREPARATION You will need a clean, dry and well lit workspace in which to assemble your kit. If possible, try to find somewhere where the parts can stay undisturbed in case you do not finish the kit all at once. It is a good idea in any case to split the work up - say assemble the circuit board one eueninn_tben.tffst jt. and put the case together the next evening You will need these tools (a) A light electric soldering iron, say 15 to 25 watts with a fine tip {b} Fine gauge solder with resin flux core; NOT acid flux. (c) A pair of sharp sidecutters. (d) A 'Pozidriv' screwdriver with a No. 1 point. (e) A medium size ordinary screwdriver and/or a 4B A spanner. The following items are optional, but useful (a) A magnifying glass for examining solder joints and looking for short circuits, (b) Some desoldenng braid or other solder removing tool. Better still, take care that you put the components in right the first time - removing them can be very difficult. (c) A piece of foam is useful to stop components falling out when you turn the board over to solder them 2. PRECAUTIONS There are not many integrated circuits (I C s) in the kit, but they are...




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