5-160
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
5-25. Full-erase Head Replacement
Outline
Replacement
1.
Harnesses Disconnection
2.
CTL/FE Head Assembly Removal
3.
Full-erase Head Removal
4.
Full-erase Head Installation
5.
CTL/FE Head Assembly Installation
6.
Harnesses Connection
7.
Cleaning (Surfaces of Full-erase Head and CTL Head)
Adjustment after Replacement
8.
Tape Running Adjustment (Refer to Section 7-1-2.)
9.
CTL Head Height Confirmation (Refer to Section 7-1-4.)
10. CTL Head Position Adjustment (Refer to Section 7-1-5.)
11. Tape Running Confirmation (Refer to Section 7-1-2.)
12. AT Head Position Confirmation (Refer to Section 7-1-9.)
13. Drum Phase Adjustment (Refer to Section 6.)
14. Full-erase Current Confirmation (Refer to Section 3-11-4.)
Preparation
1.
Turn off the power.
2.
Remove the upper lid. (Refer to Section 2-3-1 in Maintenance Manual Part 1.)
3.
Remove the plate MD assembly. (Refer to Section 2-4 in Maintenance Manual
Part 1.)
4.
Remove the cassette compartment assembly. (Refer to Section 2-5 in
Maintenance Manual Part 1.)
Tools
.
Cleaning cloth:
3-184-527-01
.
Cleaning fluid:
9-919-573-01
.
Torque screwdriver (6 kg
.
cm)(JB-5251):
J-6252-510-A
.
Torque screwdriver’s bit (
+
2 mm, l = 75 mm): J-6323-430-A
5-25. Full-erase Head Replacement
