Hello everyone.. I'm in need of a Tascam minidisc MDR service manual.. Can anybody help please?.. The unit tries to read TOC information and then says "Servo Error" The laser moves to the centre, illuminates but the spindle motor doesn't spin!.. Unlike Sony, Tascam don't seem to make their manuals readily available and I feel that without a manual, I'm not going to get too far since I can't enter into diagnostic mode without knowing what sequence of buttons to press as with Sony units.
Similar manuals:. If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test or write your question to the Message board without registration. In most cases the fix is to replace electrolytic capacitors C5, C7, C9, C13, C15, and the ceramic C2 See schematic to get it back to normal. Also check the voltage on the zener diode between C2 and C15 on the board to be about 9V. If replacing the capacitors listed above does not resolve the issue, that probably means that one of the traces had corroded and disconnected.
Check voltage on the ground and power pins on IC1 and IC2 with a voltmeter, and continuity of all traces on the board with an ohmmeter, in particular on the left side of the board. To pull out the transport for service you will need to disconnect two cables running to the speed control board on the front left side of the machine. The capstan will not run without the three- or four-pin connector plugged in, but there is a way to simulate the connection without having to pull out the speed control board if you need to test the repair or perform other service that requires the capstan to be running.
Please let us know if you have any questions or comment on how we run Hifi-Manuals. Below you will find the Tascam The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications.
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