DOWNLOAD Sony SAL70200G2 Service Manual ↓ Size: 8.64 MB | Pages: 103 in PDF or view online for FREE

2-10

SAL70200G2 (2.8/70-200 G SSM Ⅱ) (70-200mm F2.8 G SSM II)

1.  Affix the spring protection sheet to the G19 holder ring, starting from the cut groove for aperture connect lever in the counterclockwise 

direction. Place the center of sheet in the hole for the outer tube block fixing screw.
Note:

  Do not protrude the spring protection sheet on the slant surface at the inner side of G19 holder ring.

 

As the spring protection sheet is rectangular in shape, affix it while deforming a little by little.

2.  Thread the aperture connect lever of outer barrel block in the hole of connect barrel unit.
3.  Link the aperture connect lever to the pin of aperture operation plate unit and insert four screws in the holes.

  It is not necessary to tighten the screws at this moment.

4.  Lift up the outer tube block and lean it a little. Insert the back adjustment washer (0.5mm) in the gap between outer barrel block and 5 

group ball frame block (2 locations of both sides).
Note:

  For the number of back adjustment washer, refer to  5-4-3 Flange-back (f F) adjustment .

5.  Rotate clockwise the outer tube block to eliminate a play, viewing from the mount side and tighten firmly four screws.

Outer Tube Block

Outer Tube Block

Aperture Connect 
Lever

Spring Protection 
Sheet

Cut groove for 
aperture connect lever

Cut groove for 
aperture connect lever

Four screws inserted 
in the screw hole

Back Adjustment 
Washer

5 Group Ball 
Frame Block

5 Group Ball 
Frame Block

Lean the outer tube block 
and insert the back adjustment washer 
as shown in the figure.

Rotate clockwise to eliminate a play and 
tighten four screws.

Mount

Pin of aperture 
operation plate 
unit

Installation screw hole 
of outer tube block

Spring Protection 
Sheet

G19 Holder 
Ring

Adhesive bond (B-10): J-6082-612-A

1.  Overlay the aperture blade unit clockwise.
2.  Open the aperture operate plate unit and install the aperture hold ring so that the aperture blade unit protrudes a little from the hole.
3.  Install nine screws tentatively.

Overlay the aperture 
blade unit clockwise

Install the aperture hold ring. 
(The aperture blade unit 
protrudes a little from the hole)

Set the aperture operate 
plate unit to the open state

Aperture Hold Ring

Screw 
(9 pieces)

4. After 

performing 5-2-2. Aperture Diameter Adjustment , tighten firmly nine screws and apply the adhesive bond (B-10) as shown 

below.

5.  Apply the adhesive bond (B-10) to the portion A (head of screw) at three locations (at an interval of every two screws).
6.  Apply the adhesive bond (B-10) portion B (protruded portion at the tip of screw) (9 locations).

Apply the adhesive bond (B-10) 
Portion A (head of screw) (3 locations)
(at an interval of every two screws)

Apply the adhesive bond (B-10) 
Portion B (protruded at the tip of screw)
(9 locations)

2-11

SAL70200G2 (2.8/70-200 G SSM Ⅱ) (70-200mm F2.8 G SSM II)

1.  Install the aperture operate plate holder, facing the burr (by press) side to the 1st lens side.
2.  Usually, use two pieces of aperture blade spacer B (t=0.3mm).

  Use two pieces of aperture blade spacer A (t=0.2mm) only when the defect occurs in the iris dynamic characteristics.

Aperture Operate Plate Holder

Use the 
Aperture Blade Spacer A (t=0.2mm)
or
Aperture Blade Spacer B (t=0.3mm)

burr side

1st lens side

1.  Install the zoom rubber ring to the zoom operation ring.
2.  Fold up the 1st lens side of zoom rubber ring.
3.  Affix the SW flexible setting tape not to overlap on the brush cover and tapes.
4.  Peel the protection sheet off the adhesive side of SW flexible setting tape and return the zoom rubber ring to the original position.

Brush cover and tapes

Zoom Operation 
Ring

SW flexible setting tape 
(Affix it not to overlap on 
the brush cover and tapes)

Install the zoom rubber ring and 
fold it up as shown in the figure

1.  Thread the projection of zoom operation ring through the hole of brush (zoom).
2.  Set the zoom to the TELE end (200).
3.  Adjust the position of brush (zoom) so that the curved portion (contact with the flexible board) of brush (zoom) comes to the circle 

portion (Part R) of zoom encoder flexible.
Note:

  In case of finished lens, perform  5-9-1. Zoom Brush Position Adjustment .

4.  Cut a polyester tape (black) 10mm in the specified size and fix the brush (zoom) with the polyester tape (black) 10mm.
5.  Set the brush cover to cover the polyester tape (black) 10mm fixing the brush (zoom).
6.  Cut a polyester tape (black) 10mm in the specified size and affix the polyester tape (black) 10mm at right and left sides of brush cover 

to fix it.

Set the TELE end (200)

Part R of brush (zoom)

Zoom Encoder Flexible

Zoom Operation Ring

Brush 
(Zoom)

Brush 
(Zoom)

Brush Cover

Brush Cover

Polyester Tape (Black) 
10mm (10X40mm)

Polyester Tape (Black) 
10mm (10X40mm)

Polyester Tape (Black) 
10mm (10X40mm)

Projection of 
zoom operation ring

2-12

SAL70200G2 (2.8/70-200 G SSM Ⅱ) (70-200mm F2.8 G SSM II)

Anti-diffusion agent (A-20): J-6082-611-A
Adhesive bond (B-10): J-6082-612-A
Adhesive bond (B-40): J-6082-614-A

1.  Apply the adhesive bond (B-40) to the tip of screw portion of zoom stopper pin.
2.  Install two pieces of anti slip rubber.
3.  Apply the anti-diffusion agent (A-20) to all circumferences of indicated portion of zoom connect plate.
4.  Insert two pieces of zoom connect plate in the groove of 4th lens barrel and tighten firmly four screws.
 

Loosen the screws half turn.

5.  After moving the zoom operation ring little by little, tighten firmly the screws.

  Do not operate the zoom until the zoom stopper pin is installed.

6.  Apply the adhesive bond (B-10) to the indicated portion of zoom connect plate.

After tightening four screws, 
loose the screws half turn

Zoom Connect Plate

Zoom Connect 
Plate

Anti-Slip 
Rubber

Anti-Slip 
Rubber

Insert in the groove 
of 4th lens barrel

Groove 
of 4th lens barrel

Zoom Stopper Pin 
Apply the adhesive bond (B-40)

Apply the 
anti-diffusion 
agent (A-20) 
(All around)

Apply the adhesive bond (B-10)

Zoom Connect Plate

Note:
Do not operate the zoom until 
the zoom stopper pin is installed.

Anti-diffusion agent (A-20): J-6082-611-A
Grease (G-15): J-6082-619-A
Grease (G-85): J-6082-626-A

1.  Apply the ant-diffusion agent (A-20) to the indicated portion of zoom operation ring.
2.  Apply the grease (G-15) (G-85) to the indicated portion of zoom operation ring.

Apply the 
anti-diffusion 
agent (A-20)
(All around)

Apply the 
anti-diffusion 
agent (A-20)
(All around)

Apply the 
grease (G-85)
(All around)

Area 
(all around)
restricted to 
apply the 
anti-diffusion 
agent (A-20)

Apply the 
grease (G-15)

Inside

Outside

Inside

Outside

3mm

Cut 
view

Zoom Operation 
Ring

Surroundings of 
brush hole

Apply the anti-diffusion 
agent (A-20)

Cut 
view

3.  Install the zoom operation ring to the mirror tube, aligning the brush hole of zoom operation ring with the red index of mirror tube and 

aligning three projections of zoom operation ring with the grooves as shown in the figure below.

Projections

Projection

Projection

Projection

Brush 
Hole

Zoom Operation 
Ring

Insert 3 projections of zoom operation ring in the 
grooves of front holding tube block at 3 locations 
and rotate the zoom operation ring in the arrow
direction. 

Zoom Operation 
Ring

Groove

Groove

Groove

Groove

Groove

Front Holding 
Tube Block

Red index of 
mirror tube

2-13

SAL70200G2 (2.8/70-200 G SSM Ⅱ) (70-200mm F2.8 G SSM II)

Anti-diffusion agent: (A-20): J-6082-611-A

1.  Overlay the flexible PWB as shown in the figure below and fix them with the polyester tapes (black) 4mm cut in the specified size.
2.  Apply the anti-diffusion agent (A-20) to the surrounding of tape.

Flexible PWB of MR Sensor Block

Flexible PWB of Stator

DV Encoder Flexible
PC Board

DV Encoder Flexible 
PC Board

Zoom Encoder Flexible

Zoom Encoder Flexible

Polyester Tape (Black)
4mm (4X15mm)

Apply the anti-diffusion
agent (A-20)

Front Holding Tube Block

Flexible PWB of
ultrasonic motor
(stator)

Flexible PWB of
MR sensor block

MR Sensor Holding Plate

Adhesive bond (B-10): J-6082-612-A

1.  Fix the brush holder to the front holding tube block with two screws and washers tentatively.

  Be careful not to bend the leads of brush.

2.  Set the focus to the infinity end.
3.  Adjust the brush holder so that the curved portion (contact with the flexible board) of A encoder brush comes to the circle portion (Part 

R) of DV encoder flexible PC board and tighten firmly two screws.

4.  After performing the  5-7-1. Focus Brush (A Encoder Brush) Position Adjustment , apply the adhesive bond (B-10) to the head of screw 

at two locations.

Brush Holder

DV Encoder Flexible 
PC Board

Part R of 
A encoder brush 

A Encoder Brush

Brush Holder

Screws Several pieces of washer 

(The number of washer used differs 
depending on the result of adjustment.)

A Encoder Brush

Set the focus to the infinity 
end position

Apply the 
adhesive bond
(B-10)