Sony HDW-750 Maintenance Manual page 418

8-1. Mechanical Adjustment
8-1-7. S3 Guide Height Adjustment
Note
Height of S3 guides becomes the reference of the entire tape running system.
When threading arm assembly is replaced, be sure to perform the S3 guide height
adjustment.
Preparations
1. Confirm that the unit is in the unthreading-end state.
2. Turn off the main power.
3. Remove the front lid and the outside panel assembly. (Refer to Section 1-4.)
Tools
. S3 guide height check tool :
. Tape guide adjustment screwdriver : J-6325-380-A
. Mirror (small oval type) :
Adjustment Procedure
1. Remove the FE/CTL head assembly. (Refer
to Section 7-12.)
2. Attach the S3 guide height check tool until
the following two requirements are satisfied.
. Align the cut-out of the S3 guide height
check tool with the installation position
setting pin.
. Insert the S3 guide height check tool into
the installation reference hole.
n
Adjust both of the "O" side and the "X" side
until the specifications are satisfied. Either
side can be used for this adjustment by
setting it against the S3 guide.
8-14
J-6325-380-A
J-6080-840-A
S3 guide of the threading
arm assembly
Installation position setting pin
S3 guide height check tool
Cut-out
Pin
Mechanical deck assembly
Installation reference hole
HDW-750/750CE V1