JMECHA - Sony VCR Service Manual (repair manual). Page 20

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— 20 —
3-12.LS Chassis Block Assy, LS Guide Retainer
2.
Attachment procedure
1)
Confirm that the brake-T block assy has been moved in the
counter-clockwise direction C.  While pressing the TG7 block
in the direction of the arrow D, insert the LS guide shafts T1
and T2 of the LS chassis block assy into the slots of the
mechanism chassis with slanted angle.
2)
While inserting the LS arm dowel into the LS cam plate groove,
insert the LS guide shafts S1 and S2 into the slots of the LS
chassis block assy as shown.
3)
Insert the LS guide retainer from the top, align it with the LS
guide shafts S1 and S2 and fix it with the screw (M1.4 
×
 2) 1.
Tightening torque: 0.059 to 0.01 N•m (0.6 kg•cm).
4)
Confirm that the LS guide retainer has play, is not lifted up, is
not installed in opposite direction and has not been deformed.
5)
Attach the E-type stop ring 1.5 3 into the LS guide shaft T1.
6)
Insert the FPC holder into DC motor (capstan) in the direction
of the arrow E and fix it with the screw (M1.4 
×
 2.5) 2.
7)
Connect the flexible wiring board coming from the FP-100
flexible wiring board into the FPC connector.
Fig. 3-12
LS guide retainer
LS chassis block assy
3
 E-type stop ring 1.5
1
 Two screws (M1.4 
×
 2)
2
 Screw (M1.4 
×
 2.5)
FP-102 flexible wiring board
FPC holder
FP-102 flexible wiring board
FP-100 flexible wiring board
FP-100 flexible wiring board
DC motor (capstan)
FPC connector
Dowel of LS arm
LS cam plate
Insert dowel of the LS 
arm into the LS cam 
plate groove
Dowel of LS arm
Mechanism chassis block assy
TG7 block assy
Brake-T block assy
LS guide shaft 
S2
LS guide shaft T2
LS guide shaft T1
LS guide shaft S1
A
C
B
D
E
1.
Removal procedure
1)
Remove the FP-100 flexible wiring board from the FPC
connector on the FP-102 flexible wiring board.
2)
Remove the screw (M1.4 
×
 2.5) 2.  Remove the FPC holder
from DC motor (capstan).
3)
Remove the two screws (M1.4 
×
 2) 1.
4)
Remove the LS retainer in the direction of the arrow A on the
top.
5)
Remove the E-type stop ring 1.5 3.
6)
Remove the LS chassis block assy in the direction of the arrow
B
.
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