Sony SAL-135F28 - 135mm f/2.8 STF Telephoto Lens Manuel utilisateur

SERVICE NOTE

SPECIFICATIONS

REPAIR PARTS LIST

DISASSEMBLY ADJUSTMENTS

SERVICE MANUAL

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Revision History

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Sony EMCS Co.

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

Ver 1.2 2007.01

LENS FOR DSLR CAMERA

2007A0800-1

Published by Kohda TEC9-852-115-12

US Model

Canadian Model

AEP Model

Chinese Model

SAL135F28

(STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

• About the Lens Test Projector and Finished Inspection JIG

—2 —

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

SPECIFICATIONS

• Depending on the lens mechanism, the focal length may change with any change of the shooting distance. The focal length assumes the lens is focused

at infinity.

Equivalent 35mm-format focal length *1(mm)

202.5

*1The value for e uivalent 35mm-format focal length is based on Digital Single Lens Reflex Cameras e uipped with an APS-C sized image sensor.

Lens groups elements

6-8 *2

*2Including apodization element (1-2).

Angle of view 1 *3

18°

Angle of view 2 *3

12°

*3The value of angle of view 1 is based on 35mm-format cameras, and that of angle of view 2 is based on Digital Single Lens Reflex Cameras

e uipped with an APS-C sized image sensor.

Minimum focus (m (feet)) *4

0.87 (2.85)

*4Minimum focus is the shortest distance from the image sensor to the subject.

Maximum magnification (××

××

×)

0.25

Minimum f-stop

f/31 [T/32]

Filter diameter (mm)

Dimensions (maximum diameter ××

××

×height) (mm (in.))

Approx. 80 × 99 (3 1/8 × 3 7/8)

Mass (g (oz.))

Approx. 730 (25 3/4)

Included items

Lens (1), Front lens cap (1), Rear lens cap (1), Lens hood (1), Exclusive case (1), Set of printed documentation

Designs and specifications are subject to change without notice.

—3 —

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

TABLE OF CONTENTS

Section Title Page

1. SERVICE NOTE

1-1. Chemicals ······································································· 1-1

1-2. Exterior Parts ·································································· 1-1

1-3. Unleaded Solder ····························································· 1-1

1-4. Safety Check-out ···························································· 1-2

1-5. Troubleshooting ····························································· 1-3

2. DISASSEMBLY

2-1. Disassembly ··································································· 2-2

3. REPAIR PARTS LIST

3-1. Exploded Views ······························································ 3-1

3-2. Supplied Accessories ······················································ 3-6

4. ADJUSTMENTS

4-1. Preparations ···································································· 4-1

4-2. Aperture Diameter Check/Adjustment and

Pattern Check ······························································· 4-13

4-3. Projective Resolving Power Check ······························ 4-24

4-4. Flange Back (f’F) Check/Adjustment ·························· 4-27

4-5. Lens ROM Check ························································· 4-31

4-6. Focus Brush Position Adjustment and Pattern Check ·· 4-33

1-1

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

1. SERVICE NOTE

1-1. Chemicals

Some chemicals used for servicing are highly volatile.

Their evaporation caused by improper management affects your health and environment, and wastes resources.

Manage the chemicals carefully as follows.

• Store chemicals sealed in a specific place to prevent from exposure to high temperature or direct sunlight.

• Avoid dividing chemicals into excessive numbers of small containers to reduce natural evaporation.

• Keep containers sealed to avoid natural evaporation when chemicals are not in use.

• Avoid using chemicals as much as possible. When using chemicals, divide only required amount to a small plate from the container and

use up it.

1-2. Exterior Parts

Be careful to the following points for exterior parts used in this unit.

• Use a piece of cleaning paper or cleaning cloth for cleaning exterior parts. Avoid using chemicals.

Even if you have to use chemicals to clean heavy dirt, don’t use paint thinner, ketone, nor alcohol.

• Insert the specific screws vertically to the part when installing a exterior part.

Be careful not to tighten screws too much.

1-3. Unleaded Solder

This unit uses unleaded solder.

Boards requiring use of unleaded solder are printed with the lead free mark (LF) indicating the solder contains no lead.

(Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.)

: LEAD FREE MARK

Be careful to the following points to solder or unsolder.

• Set the soldering iron tip temperature to 350 °C approximately.

If cannot control temperature, solder/unsolder at high temperature for a short time.

Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful!

Unleaded solder is more viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges

occur such as on IC pins, etc.

• Be sure to control soldering iron tips used for unleaded solder and those for leaded solder so they are managed separately. Mixing

unleaded solder and leaded solder will cause detachment phenomenon.

1-2

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

1-4. SAFETY CHECK-OUT

After correcting the original service problem, perform the following safety checks before releasing the set to the customer.

1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and

bridges.

2. Check the interboard wiring to ensure that no wires are “pinched” or contact high-wattage resistors.

3. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them out to the

customer and recommend their replacement.

4. Look for parts which, through functioning, show obvious signs of deterioration. Point them out to the customer and recommend their

replacement.

5. Check the B+ voltage to see it is at the values specified.

6. Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270 °C during repairing.

• Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or unsoldering.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE WITH

MARK 0ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS

LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE

COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS

APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS

PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0SUR LES

DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT

CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE

REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY

DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU

DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type.

1-3

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

1-5. TROUBLESHOOTING

1-5-1. Aperture Trouble

Ver 1.2 2007.01

OK OK

NG NG

NGNG

Check operation of

the preset ring.

Replace the

defective part.

Check operation of the

preset ring, and replace

the defective part.

Perform the aperture

diameter adjustment.

(See page 4-17.)

Perform the aperture

diameter check.

(See page 4-13.)

Check the iris

operation of iris

control block.

Function NG F No. NG

Aperture trouble

Replace the defective part.Replace the defective part.

END

Perform the aperture

diameter check.

(See page 4-13.)

Replace the

defective part.

A apertureM aperture

Check operation of

the M aperture

operation ring.

Check the iris

operation of M iris

control block.

1-4

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

1-5-2. Focus Trouble

Check the operation

again.

Replace the defective part

or apply the grease.

Function NG Position NG

Focus trouble

Check the distance

scale tube, focus ring,

fixed sleeve, and

2 group move

frame block.

END

Check pattern

of the main flexible unit.

Clean the pattern of the

main flexible unit.

Replace the

main flexible unit.

Check the position of

contact piece and

deformation of terminal

of brush

(for focus ring).

Adjust the position of contact

piece of brush (for focus ring),

or replacethe brush

(for focus ring).

Perform the focus

brush position

adjustment and

pattern check.

(See page 4-33.)

2-1

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

Cut and remove the part of gilt

which comes off at the point.

(Be careful or some

pieces of gilt may be left inside)

2. DISASSEMBLY

NOTE FOR REPAIR

• 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.

UNIVERSAL WRENCH

In case of the following notches or holes are located in the lens block, etc during disassembling/

assembling the lens, Use the universal wrench.

How to Use

Attach the chip-A or chip-B to the universal wrench.

For the notches: chip-A

For the holes: chip-B

Match the universal wrench to the holes or notches of the lens block, etc.

Notches Holes

Universal wrench

J-6082-609-A

Chip-A for

universal wrench:

J-6082-609-1

Chip-B for

universal wrench:

J-6082-609-2

Notches

Chip-A

Chip-B

Chip

Match the universal wrench

to the width of holes or notches.

Universal wrench

Holes

Ver 1.2 2007.01

2-2

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

2-1. DISASSEMBLY

2-1-1. FILTER FRAME AND LENS MOUNT RIVETING BLOCK

EXPLODED VIEW

(See Page 2-3.)

(See Page 2-5.)

Lens Mount Riveting Block

HELP03

4Rear Light

Shield Barrel

6Light

Shield Tube

3Screws x2

HELP02

HELP01

2Filter Frame

HELP04

5Lens Mount

Riveting Block

HELP05

72 Group

Lens Block

(See Page 2-5.)

11 Group

Lens Block

HELP04

FLANGE BACK

ADJUSTMENT

2-3

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

2-1-2. ORNAMENTAL TUBE, CONNECTION BARREL, MAIN FLEXIBLE UNIT AND INDEX RING

EXPLODED VIEW

(See Page 2-4.)

HELP07

3Ornamental

Tube

HELP13

HELP14

HELP12

HELP06

!- Index

Ring

!= Distance

Scale Tube

8Steel Ball

HELP12

9Click Spring

2Focus Ring

Cover

!/ Brake Rubber x6

1Focus Rubber Ring

HELP10

HELP12

HELP09

HELP11

6Connection

Barrel

7M Aperture Operation

Ring

5Brush

(For M Aperture)

HELP08

4Brush (For

Focus Ring)

Main Flexible Unit

BRUSH POSITION

ADJUSTMENT

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