fm_towns:marty_maintenance
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fm_towns:marty_maintenance [2021/06/23 10:46] – created Cyothevile | fm_towns:marty_maintenance [2021/06/23 11:04] – Cyothevile | ||
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The floppy drive is an EME-215FS. | The floppy drive is an EME-215FS. | ||
- | See photos below. | + | See photos below taken without permission from Caius. This is because the 26 pin drive has a rubber floppy belt that melts overtime. |
Line 13: | Line 13: | ||
The capacitors on the power supply are generally running below tolerance since it's 30 years old and it's recommended to replace them. | The capacitors on the power supply are generally running below tolerance since it's 30 years old and it's recommended to replace them. | ||
+ | |||
+ | Tamura Power Supply | ||
+ | |||
+ | | ^ MICROFARAD | ||
+ | ^ C5 | ||
+ | ^ C6 | 100UF| | ||
+ | ^ C7 | 4.7UF| | ||
+ | ^ C13 | 680UF| | ||
+ | ^ C14 | | ||
+ | ^ C15 | | ||
+ | ^ C16 | | ||
+ | ^ C17 | | ||
+ | ^ C18 | | ||
+ | ^ C19 | ||
Eastern Power Supply | Eastern Power Supply | ||
+ | | ^ MICROFARAD | ||
+ | ^ C5 | ||
+ | ^ C8 | 1UF| 50V| | ||
+ | ^ C21 | 470UF| | ||
+ | ^ C22 | 470UF| | ||
+ | ^ C23 | | ||
+ | ^ C24 | | ||
+ | ^ C25 | | ||
+ | ^ C26 | | ||
+ | ^ C27 | | ||
+ | ^ C28 | 120UF| | ||
+ | ^ C32 | 4.7UF| | ||
+ | \\ | ||
+ | \\ | ||
+ | \\ | ||
- | Tamura Power Supply | + | There is also a capacitor near the Yamaha YM3438. It should be rated at 470uf 16v. This specific capacitor is responsible for crackling audio that you may hear with a Marty straight from Japan with no work done on it. It should be labeled C22 on the Marty 1 motherboard but you can be certain by looking near the YM3438. |
+ | |||
+ | \\ \\ | ||
+ | |||
+ | Finally the last hurdle is that Marty' | ||
+ | |||
+ | There is also a leafblade switch that tells the computer the lidtray is open or close. These are occasionally to blame for some dead Marty drives since the disc never spins. | ||
+ | \\ | ||
+ | If nothing else can be done then you will need an ODE from Deunan to revive your FM Towns Marty. | ||
+ | |||
+ | {{: |
fm_towns/marty_maintenance.txt · Last modified: 2021/06/23 11:13 by Cyothevile