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6. Maintenance Mode
6-1.
Outline ......................................................................................................... 6-1
6-2.
Command Description ................................................................................ 6-4
6-3.
Error Processing ...................................................................................... 6-132
6-4.
Electrical Alignment Overview ............................................................... 6-185
6-5.
Servo System Alignment ......................................................................... 6-192
4
6-1-1.
Equipment Required and Connection ........................................ 6-1
6-1-2.
Activation of Maintenance mode ............................................... 6-3
6-2-1.
Self-Diagnosis Mode (DIAG) .................................................... 6-7
6-2-2.
Log Display Mode .................................................................... 6-23
6-2-3.
Download Mode ....................................................................... 6-43
6-2-4.
Vendor Information Set Mode ................................................. 6-45
6-2-5.
Service Set Mode ..................................................................... 6-47
6-2-6.
Drive Maintenance (MDRV) Mode ......................................... 6-57
6-3-1.
Troubleshooting ..................................................................... 6-132
6-3-2.
Analyzing Logs ...................................................................... 6-135
6-3-3.
Error Messages ....................................................................... 6-157
6-3-4.
Error Codes ............................................................................ 6-158
6-3-5.
System Error Code ................................................................. 6-160
6-3-6.
Countermeasures for Error Codes for GY-2120
and List of Main Maintenance Parts ...................................... 6-173
6-3-7.
Troubleshooting ..................................................................... 6-176
6-3-8.
List of Maintenance Parts ....................................................... 6-184
6-4-1.
Equipment Required and Tools .............................................. 6-185
6-4-2.
Initialize of NV-RAM ............................................................ 6-186
6-4-3.
Electrical Adjustment Items after Board Replacement .......... 6-187
6-4-4.
DC-DC Converter Replacement ............................................ 6-189
6-4-5.
Mechanical Parts Replacement .............................................. 6-190
6-5-1.
Reel/Capstan System All Automatic Adjustment .................. 6-193
6-5-2.
S Reel FG Duty Automatic Adjustment ................................. 6-194
6-5-3.
T Reel FG Duty Automatic Adjustment ................................ 6-194
6-5-4.
Capstan FG Duty Automatic Adjustment .............................. 6-195
6-5-5.
S Reel Motor Offset/Friction Automatic Adjustment ............ 6-195
6-5-6.
T Reel Motor Offset/Friction Automatic Adjustment ............ 6-196
6-5-7.
S Reel Motor Torque Automatic Adjustment ........................ 6-196
6-5-8.
T Reel Motor Torque Automatic Adjustment ........................ 6-197
6-5-9.
S/T Tension Regulator Offset Automatic Adjustment ........... 6-197
6-5-10. Free Speed Automatic Adjustment ........................................ 6-198
6-5-11. Drum Phase Automatic Adjustment ....................................... 6-198
6-5-12. Saves SV Adjustments Data ................................................... 6-199
6-5-13. Automatic-Tracking Function Check ..................................... 6-199
GY-2120WD/WS
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Table of Contents
Troubleshooting
