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Note
Be careful not to damage the CTL/TC head and peripheral tape guides when remov-
ing or installing the drum assembly.
Basic knowledge
For except the periodic replacement time, replace the drum assembly in the follow-
ing cases.
. The upper or lower drum's tape running surface is damaged and cannot be
repaired.
. A correct RF signal waveform cannot be obtained due to the worn upper or lower
drum even if the tracking adjustment is performed.
. The performance of the unit deteriorates because of the noise or jitter caused by
the bearing life.
Tools
. Hexagonal wrench driver (2.5 mm):
. Torque screwdriver (6 kg.cm)(JB-5251):
. Torque screwdriver (12 kg.cm)(JB-5252):
. Torque screwdriver's hexagonal bit (d=2.5 mm, l=120 mm): J-6251-090-A
. Cleaning cloth:
. Cleaning fluid:
Preparation
1. Turn the power off.
2. Remove the upper lid. (Refer to Section 1-1-1.)
3. Remove the plate MD. (Refer to Section 1-1-1.)
4. Remove the cassette compartment. (Refer to Section 1-1-2.)
GY-2120WD/WS
http://getMANUAL.com
7-700-766-04
J-6252-510-A
J-6252-520-A
3-184-527-01
9-919-573-01
3-3. Drum Block
3-35
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Table of Contents
Troubleshooting
