Ctl Head Or Full-Erase Head Replacement - Sony SRW-5000 Maintenance Manual

5-6. CTL Head or Full-erase Head Replacement

When it is necessary to replace the CTL head or the full-erase head, replace with the
CTL/FE head assembly.
Outline
Replacement
1. Removing the CTL/FE Head Assembly
2. Attaching the CTL/FE Head Assembly
3. Cleaning (Full-erase head and CTL head)
Adjustment after Replacement
4. Adjusting the Tape Running (Refer to Sections 6-2 to 6-11.)
5. Confirming the Tape Running (Refer to Section 6-12.)
6. Adjusting the Drum Phase (Refer to Section 7-2-3.)
7. Full Erasure Current Check (Refer to Section 8-8-4.)
Note
Head azimuth, etc. of the CTL/FE head assembly are adjusted when shipping from
the factory.
Never turn the screws in the CTL/FE head assembly. (Except when adjustment)
Tools
. Cleaning cloth:
. Cleaning fluid:
. Torque screwdriver (6 kgf.cm) (JB-5251):
. Torque screwdriver's bit (+2 mm, l = 75 mm): J-6323-420-A
Preparation
1. Turn the power off and disconnect the power code.
2. Remove the upper lid (front) assembly. (Refer to Section 1-3-1.)
3. Remove the cassette compartment. (Refer to Section 1-5.)
5-26
3-184-527-01
9-919-573-01
J-6252-510-A
SRW-5000/5500