JMECHA - Sony VCR Service Manual (repair manual). Page 31

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1)

Remove the deceleration gear.

2)

Remove the screw (M1.4 

×

 2) 1.

3)

Remove the cam gear A.

4)

Remove the mode gear assy.

5)

Remove the FP-100 flexible wiring board.

Do not touch the foil pattern area of the FP-100 flexible wiring
board.  Any foreign materials must not be adhered.

Do not remove the mode gear assy unnecessarily.

1)

Install the FP-100 flexible wiring board to the mechanism
chassis.   Confirm that flexible wring board is not stained,
broken, bent or damaged.

2)

Coat the entire contact points of the mode pattern area of the
FP-100 flexible wiring board with the contact-point grease
(equivalent to 1.5 drops).  (Any foreign materials must not be
mixed in the contact-point grease.)

3)

Attach the mode gear assy to the mode gear shaft.

4)

Install the deceleration gear as follows: Position the deceleration
gear with its small gear down, and engage the small gear tooth
with the mode gear tooth.  Rotate the gear tooth until the phasing
marking of the mode gear assy arrives at the phasing position
of the cam gear A.

5)

Identify the front and rear sides of the cam gear A.  Confirm
that the marking of the cam gear A and that of the mode gear
assy agree.

6)

Attach the screw (M1.4 

×

 2) 1 of the mode gear assy.

Tightening torque: 0.059 ± 0.01 N•m (0.6 kg•cm)

7)

Connect the FP-100 flexible wiring board to the motor holder
block assy by soldering in accordance with section "3-22 [2.
Attachment procedure] step 7.

If the FP-100 flexible wiring board is removed, replace it with a
new FP-100 board, and do not use the removed FP-100 flexible
wiring board.

Cautions when attaching the FP-100 flexible wiring board:
1

 It must not override on the mode gear shaft.

2

 It must be aligned with the position setting hole.

3

 It must no float, must not have stain or must not be broken.

4

 Never touch the foil pattern area with hand.

1

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