64 Doctor - A professional Diagnostic Cartridge for the 64!
The 64 DOCTOR by TriLogic provides an instant fault finding & diagnostic test for the Commodore 64 computer.
Here's a list of what's tested - Keyboard, Serial Port, Cartridge Port, Kernal ROM, Joystick Ports, BASIC ROM, CIA Chips, User Port, Sound Chip, Cassette Data Video Chips & Video Banks, Cassette Key Press, NMI & IRQ Interrupts, Even Tests Your Joystick, Simply Plug-In & Go!
64 Doctor complete with port testers, full manual & free comprehensive diagnostic & repair guide.
Comprehensive Repair Guide - Explains step by step how to locate faults and identify chips, How to dismantle the keyboard, Includes Commodore part number guide, Full of tips and hints - many only known to the trade, How to desolder chips the professional way - Written by professionals with a vast knowledge of the 64 faults & repairs.
