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• Make sure that the flat cable and flexible board are not cracked of bent at the terminal.

Do not insert the cable insufficiently nor crookedly.

• When remove a connector, dont’ pull at wire of connector. It is possible that a wire is snapped.

• When installing a connector, dont’ press down at wire of connector.

It is possible that a wire is snapped.

• Do not apply excessive load to the gilded flexible board.

Cut and remove the part of gilt 
which comes off at the point.
(Be careful or some 
pieces of gilt may be left inside) 

The charging capacitor (C901) of the ST-129 FLEXIBLE board
is charged up to the maximum 300 V potential.
There is a danger of electric shock by this high voltage when the
capacitor is handled by hand.  The electric shock is caused by
the charged voltage which is kept without discharging when the
main power of the unit is simply turned off.  Therefore, the
remaining voltage must be discharged as described below.

To preparing the short jig, a small clip is attached to each end of
a resistor of 1 k

Ω

 /1 W (1-215-869-11).

Wrap insulating tape fully around the leads of the resistor to
prevent electrical shock.

1 k

Ω

/1 W

Wrap insulating tape.

Note: High-voltage cautions

Discharging the Capacitor
Short-circuit between the two points 
with the short jig about 10 seconds.

R:1 k

Ω

/1 W

 

(Part code: 1-215-869-11)

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The following flow chart shows the disassembly procedure.

1

Flexible board 

x1

2

Claw 

x3

3

Microphone holder

4

Screw (M1.4x3) (silver) 

x5

5

Cabinet (rear) block

1

Insert the flat blade 
screw driver.

2

Claw 

x1

3

Claw 

x2

4

Multi cap

5

Flexible board 

x2

6

P2 tapping screw (M1.4x3) 
(silver) 

x1

7

Remove the SY-MC board.

8

Flexible board 

x2

9

SY-MC board.

1

P2 screw (M1.4x2.5) (silver) 

x5

2

Claw 

x2

3

Cabinet (front) block

4

Flexible board 

x2

5

Flexible board 

x1

6

Lens block

6

5

4

4

1

Claw 

x1

2

Claw 

x2

3

Remove the ST board.

4

Claw 

x3

5

Holder (AF)

6

Discharging the Capacitor.

1

Rotate the ornamental ring (A), 
and release the bond.

2

Ornamental ring (A)

3

Insert the tweezers etc..

4

Claew 

x3

5

Barrier block assembly

1

2

3

4

4

5

6

7

1

2

3

4

5

3

1

1

2

3

4

6

7

5

8

5

9

1

2

8

3

1

2

4

4

5

1

7

Claw 

x1

8

ST board

Note: When you exchange 

barrier block assembly 
and ornamental ring (A), be sure 
to follow the procedure carried on 
"2-3. Exchange Method of Barrier
Assembly" (2-7 page).

Position of claws

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Lock claw (BT)

MS guide light

BT cover

BT cover

Spring (lock claw)

Cabinet (center) block

boss

hook

1

2

3

4

1

Spring (lock claw)

 

x1

2

Lock claw (BT)

 

x1

3

BT cover

 

x1

Slide until the hook of the BT cover 
reaches the boss of the cabinet.

4

MS guide light

 

x1

5

Slide the BT cover at the bottom.
Check it the BT cover is locked and not removed.

5