How to repair Nintendo Family Computer Disk System(difference between old and new) by @kouchan66

1
Kouchan @kouchan66

I checked the data with the PC emulator. pic.twitter.com/qgzTtn9AuK

2017-01-04 23:28:58
拡大
拡大
Kouchan @kouchan66

I test to write the dumped data to another disk. pic.twitter.com/aLTI5DPane

2017-01-04 23:33:10
拡大
Kouchan @kouchan66

Ready to write is completed. I will test it from now. pic.twitter.com/E0uI93Ssmv

2017-01-04 23:37:01
拡大
拡大
Kouchan @kouchan66

Writing on side A finished. Next, start writing on side B. pic.twitter.com/e2PN8H3Cng

2017-01-04 23:44:54
拡大
拡大
Kouchan @kouchan66

Writing is completed. Check the disc. pic.twitter.com/lnOcFQSuRL

2017-01-04 23:48:56
拡大
拡大
Kouchan @kouchan66

Although writing to the disk is completed, there is a problem on the side B. I will investigate it later. pic.twitter.com/yaCwNCtZbr

2017-01-05 00:32:09
拡大
拡大
Kouchan @kouchan66

I will retest last night's disc writing test with another disc. pic.twitter.com/o66BNwfwxg

2017-01-05 18:42:42
拡大
Kouchan @kouchan66

It is a continuation of last night. I start off by dumping again. pic.twitter.com/qV8BA6iIK6

2017-01-05 18:55:51
拡大
Kouchan @kouchan66

There is a problem with writing on side B. The PC emulator is working without problems. :( pic.twitter.com/QpWqT9HWjq

2017-01-05 22:06:29
拡大
拡大
拡大
拡大
Kouchan @kouchan66

This is a video showing the current situation. pic.twitter.com/3c0sgzauPz

2017-01-05 23:13:39
Kouchan @kouchan66

I have a little time. I will test with Twin Famicom. pic.twitter.com/2HcVeQSjQG

2017-01-06 16:44:30
拡大
Kouchan @kouchan66

It proved that there is no problem with the disk and writing tool. It seems there is a problem with the disk system.

2017-01-06 17:36:39
Kouchan @kouchan66

The cause may be disk drive head or RAM adapter. pic.twitter.com/9M4FPBU4wR

2017-01-06 17:40:55
拡大
拡大
Kouchan @kouchan66

I cleaned all the terminal parts. pic.twitter.com/NUSbObMOmF

2017-01-06 18:10:37
拡大
拡大
拡大
拡大
Kouchan @kouchan66

Furthermore I cleaned the disk drive head. pic.twitter.com/SGBDz57814

2017-01-06 18:17:18
拡大
Kouchan @kouchan66

I found the cause of why I can not write to disk. It turned out that the position of the magnetic head was slightly misaligned. pic.twitter.com/QfYMALD01x

2017-01-07 14:38:33
拡大
Kouchan @kouchan66

If writing to the disc is necessary, very delicate adjustment is necessary. I tried it many times. pic.twitter.com/zxYUyxKOE7

2017-01-07 14:41:23
拡大
Kouchan @kouchan66

I will write the data back to the test disk again. pic.twitter.com/IMT80J6sN4

2017-01-07 14:44:19
拡大
Kouchan @kouchan66

Writing to the disk is completed. pic.twitter.com/PK47TWArcH

2017-01-07 14:54:52
拡大
拡大
Kouchan @kouchan66

I have found amazing facts. There was also write protection on the main board of the disk drive. It is difficult to release this protection. pic.twitter.com/qAhmkBOns7

2017-01-07 22:48:25
拡大
拡大