Sony SAL28F28 Service Manual
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Sony SAL28F28 Service Manual

(2.8/28) (28mm f2.8) lens for dslr camera
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Download this manual See also: Operating Instructions
SERVICE MANUAL
Ver 1.1 2007.01
Revision History
Revision History
How to use
How to use
Acrobat Reader
Acrobat Reader
Link
Link
SPECIFICATIONS
SERVICE NOTE
SAL28F28 (2.8/28) (28mm F2.8)
9-852-116-12
DISASSEMBLY
REPAIR PARTS LIST
Sony EMCS Co.
SAL28F28
(2.8/28) (28mm F2.8)
Canadian Model
Chinese Model
ADJUSTMENTS
LENS FOR DSLR CAMERA
US Model
AEP Model
2007A0800-1
© 2007.01
Published by Kohda TEC

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Summary of Contents for Sony SAL28F28

  • Page 1 Chinese Model How to use How to use Acrobat Reader Acrobat Reader Link Link SPECIFICATIONS DISASSEMBLY ADJUSTMENTS SERVICE NOTE REPAIR PARTS LIST LENS FOR DSLR CAMERA 2007A0800-1 SAL28F28 (2.8/28) (28mm F2.8) © 2007.01 Sony EMCS Co. 9-852-116-12 Published by Kohda TEC...

  • Page 2: Specifications

    Approx. 65.5 × 42.5 (2 9/16 × 1 11/16) Mass (g (oz.)) Approx. 185 (6 1/2) Included items Lens (1), Front lens cap (1), Rear lens cap (1), Set of printed documentation Designs and specifications are subject to change without notice. SAL28F28 (2.8/28) (28mm F2.8) — 2 —...

  • Page 3: Table Of Contents

    Preparations ···································································· 4-1 4-2. Aperture Diameter Check/Adjustment ··························· 4-4 4-3. Projective Resolving Power Check ································ 4-9 4-4. Flange Back (f’F) Check/Adjustment ·························· 4-12 4-5. Lens ROM Check ························································· 4-16 4-6. Error Code List ····························································· 4-17 SAL28F28 (2.8/28) (28mm F2.8) — 3 —...

  • Page 4: Service Note

    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. SAL28F28 (2.8/28) (28mm F2.8)

  • Page 5: Safety Check-Out

    CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU PUBLISHED BY SONY.

  • Page 6: Troubleshooting

    Replace the defective part. diameter adjustment. (See page 4-7.) Check operation of the preset ring, and replace Check operation the defective part. of the diaphragm control block. Replace the defective part. Perform the aperture diameter check. (See page 4-4.) SAL28F28 (2.8/28) (28mm F2.8)
  • Page 7 Check the focusing and focusing ring. operation again. Clean the pattern of the main flexible unit. Replace the defective part or apply the grease. Replace the main flexible unit. Check the operation again. Check the focusing operation again. SAL28F28 (2.8/28) (28mm F2.8)

  • Page 8: Disassembly

    Match the universal wrench to the holes or notches of the lens block, etc. Chip-A Match the universal wrench Universal wrench to the width of holes or notches. Chip-A Notches Chip-B Chip Chip Chip-B Holes SAL28F28 (2.8/28) (28mm F2.8)
  • Page 9 B (49 mm). Name ring wrench B (49 mm): J-6082-586-A Name ring wrench B (49 mm) 5Fixed Holding Tube HELP04 1G1 Stopper Ring HELP02 2Mirror Tube Block HELP01 4Front Lens Holder Block FLANGE BACK ADJUSTMENT HELP03 3Focus Ring SAL28F28 (2.8/28) (28mm F2.8)
  • Page 10 HELP05 HELP09 HELP11 3 Rear Light Interception Tube HELP06 1 Lens Mount Riveting Block HELP07 9 Helcoid Unit HELP12 2 Main Spring HELP08 6 Rear Lens Holder Block 7 Iris Control Block HELP10 APERTURE DIAMETER ADJUSTMENT SAL28F28 (2.8/28) (28mm F2.8)
  • Page 11 Perform the “4-2-1. Aperture Diameter Check”. After the aperture diameter check is completed, fix the hood unit with three screws applying the adhesive bond (B-10) and washers as shown in the figure. Apply the adhesive bond(B-10)(3 areas) Mirror Tube Block SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 12 Align of “/” of “2.8/28” of the front ornamental plate with range index, and stick the front decoration plate onto the G1 stopper ring. Remove the masking tape of the front decoration plate. Tolerance: ±2.5° = ±1 mm Note: Masking Tape Front Decoration Plate G1 Stopper Ring Range Index SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 13 After the flange back adjustment is completed, fix the focus ring with six screws applying the adhesive bond (B-10) as shown in the figure. Apply the adhesive bond(B-10)(6 areas) Focus Ring Holding Plate Focus Tube ∞ Distance Index SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 14 Note: When handling the main flexible unit, take care the static electricity. Two Screws Main Flexible Unit Flexible Set Tape Main Flexible Unit Rear Light Shield Barrel Tube Ground Spring Rear Light Shield Barrel Tube SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 15 Confirm that the preset ring holding plate moves smoothly. Main Flexible Unit Ground Spring Apply the adhesive bond(B-40) Rear Light Shield Barrel Tube Main Spring Apply the adhesive bond(B-40) Lens Mount Riveting Block Preset Ring Holding Plate SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 16 Rear Light Shield Barrel Tube Coupler Pin of the iris control plate unit HELP08 Oil (O-20): J-6082-610-A Apply small amount of oil (O-20) to the instruction portion of the main spring. Aplly small amount(O-20)(On contact area) SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 17 Pin of the iris Coupler Bearing control plate unit Aperture Unit Holding Ring Portion B Aperture Unit Holding Spring Apply the adhesive bond(B-10)(3 areas) (Three areas in the width of 5 to 10mm) SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 18 Apply the grease(G-15) (sliding surface) Apply the grease(G-15) Apply the grease(G-15) (All circumference) (sliding surface) Apply the anti-diffusion agent(A-20) (All circumference) Portion A Apply the anti-diffusion agent(A-20) (All circumference) Apply the anti-diffusion agent(A-20) (All circumference) SAL28F28 (2.8/28) (28mm F2.8) HELP...
  • Page 19 Assemble the outer tube, middle helicoid and inner tube, and check the operation of the helicoid (stiffness, smoothness, catching). Set the helicoid level as shown in the figure. Note: This level is in infinity position. 16.1 23.9 Outer Tube Middle Helicoid Inner Tube SAL28F28 (2.8/28) (28mm F2.8) HELP...

  • Page 20: Repair Parts List

    A-1197-687-A UNIT(FOCUS SCALE WINDOW UNIT) 2-693-094-01 PLATE (FOCUS RING HOLDING PLATE) 2-684-073-01 LENS NO. PLATE 2-693-085-01 FOCUS RING 2-888-237-01 FRONT DECORATION PLATE 2-684-120-01 SCREW M1.6 X 4.0 2-695-852-01 LABEL, MODEL NAME 2-691-955-01 OUTER BARREL HOLD PLATE SAL28F28 (2.8/28) (28mm F2.8)
  • Page 21 2-687-685-01 SCREW M2.0 X 4.0 2-684-244-01 STOPPER SCREW 2-693-070-01 APERTURE UNIT HOLDING RING 2-693-097-01 APERTURE UNIT HOLDING SPRING 2-691-960-01 MAIN SPRING 2-887-835-01 TAPE, FLEXIBLE SET 2-691-959-01 RING (PRESET RING) A-1206-283-A BLOCK, LENS MOUNT 2-684-234-01 PRESET RING HOLDING PLATE SAL28F28 (2.8/28) (28mm F2.8)
  • Page 22 3-1-3. FRONT LENS HOLDER BLOCK AND REAR LENS HOLDER BLOCK Ref. No. Part No. Description A-1197-689-A BLOCK, FRONT LENS HOLDER (LEAD FREE) A-1197-690-A BLOCK, REAR LENS HOLDER (LEAD FREE) SAL28F28 (2.8/28) (28mm F2.8)

  • Page 23: Supplied Accessories

    2-685-159-71 MANUAL, INSTRUCTION (ITALIAN) (AEP) 2-685-159-81 MANUAL, INSTRUCTION (PORTUGUESE) (AEP) 2-685-159-91 MANUAL, INSTRUCTION (RUSSIAN) (AEP) 2-685-160-11 MANUAL, INSTRUCTION (TRADITIONAL CHINESE, SIMPLIFIED CHINESE) (AEP, CH) 2-685-160-21 MANUAL, INSTRUCTION (KOREAN, ARABIC) (AEP) Abbreviation • Rear Lens Cap CH: chinese model 2-683-615-01 SAL28F28 (2.8/28) (28mm F2.8)

  • Page 24: Adjustments

    240V: J-6082-604-B (Note 3) (Note 2) Flange back tester A-mount Flange back gauge J-6082-606-A attachment (43.50mm) J-6082-607-A J-6082-608-A J-10 J-11 J-12 Chip-B for Chip-A for Universal wrench universal wrench universal wrench J-6082-609-A J-6082-609-2 J-6082-609-1 Fig. 4-1-1 SAL28F28 (2.8/28) (28mm F2.8)
  • Page 25 Attach the chart to the 1000 mm collimator as shown in Fig. 4-1-2. Align the marks Chart 1000 mm collimator Fig. 4-1-2 Note 3: Connect the variable transformer (Output voltage: AC 100 V) to the lens test projector. SAL28F28 (2.8/28) (28mm F2.8)
  • Page 26 MENU buttons. Check that the remaining number of recordable images on the LCD monitor is “BBBB”. Note: When “BBBB” is displayed, the camera activates in the adjustment mode. Start the lens adjustment program “LensAdjustment.exe”. SAL28F28 (2.8/28) (28mm F2.8)

  • Page 27: Aperture Diameter Check/Adjustment

    Note: Shoot the center of the luminance surface three times with the master lens and checking lens. Setting of Luminance box: Setting of Camera: Luminance: EV11 ISO: Setting of Lens: Exposure Mode: Focus: Infinity end shutter Speed: 1/125 Aperture: F5.6 Focus Mode: Metering: Center weighted Preset white balance: Tungsten D-R: SAL28F28 (2.8/28) (28mm F2.8)
  • Page 28 Set the Color Calculator 2 as follows. Measured value display (Display menu): RGB+L*a*b* Measuring method (Display menu): Center Single Area Fig.4-2-5 Color space (Edit menu): sRGB Fig.4-2-6 Area size for calculate (Edit menu →Option): 256×256 Pixels Fig.4-2-7 SAL28F28 (2.8/28) (28mm F2.8)
  • Page 29 Aperture error = Average “G” value of master lens (a) - Average “G” value of checking lens (b) Specification Aperture error = 0 ±12 2) When the aperture error is out of specification, perform “4-2-2. Aperture Diameter Adjustment”. SAL28F28 (2.8/28) (28mm F2.8)
  • Page 30 1. Adjustment Method Disassemble or assemble the checking lens into the state of Fig.4-2-9. Front Lens Holder Block Fig.4-2-9 Remove the adhesive bond fixing the aperture unit holding spring. Adhesive bond Adhesive bond Aperture Unit Holding Spring Fig.4-2-10 SAL28F28 (2.8/28) (28mm F2.8)
  • Page 31 Aperture Unit Holding Spring Fig.4-2-13 6) Assemble the lens completely. 7) Perform “4-2-1. Aperture Diameter Check”, and repeat “4-2-1. Aperture Diameter Check” and “4-2-2. Aperture Diameter Adjust- ment” until the aperture error is within the specification. SAL28F28 (2.8/28) (28mm F2.8)

  • Page 32: Projective Resolving Power Check

    (f). Fixed lever Lens Heat-absorbing filter Chart Chart Filament Filament f=18 to 35 mm f=100 to 200 mm Fixed lever Chart Chart Filament Filament f=35 to 100 mm f=200 to 300 mm Lens test projector Fig.4-3-1 SAL28F28 (2.8/28) (28mm F2.8)
  • Page 33 4) Turn the distance tube of the checking lens until the chart image projected on the screen is the sharpest at the center (y’=0). 5) Set the plane mirror to the center of the projected image (y’= 0), and adjust the projector position so that the mirror reflects the light to the center of the lens. SAL28F28 (2.8/28) (28mm F2.8) 4-10...
  • Page 34 40 or greater Table 4-3-2 After the checking is completed, turn the lamp switch of the lens test projector to OFF and cool the inside of the lens test projector, then turn the fan switch to OFF. SAL28F28 (2.8/28) (28mm F2.8) 4-11...

  • Page 35: Flange Back (F'f) Check/Adjustment

    Focus on fine lines on the surface. Fig.4-4-2 5) Turn the scale ring of the dial gauge until the long pointer indicates “0”. Note: This position is the flange back (f’F) = 43.5 mm. Memorize the position of short-pointer. SAL28F28 (2.8/28) (28mm F2.8) 4-12...
  • Page 36 Focal-length f’F (mm) f (mm) (Infinity position) 44.55 to 44.58 Table 4-4-1 When the flange back (f’F) of the checking lens is out of specification of the Table 4-4-1, perform “4-4-2. Flange Back (f’F) Adjustment”. SAL28F28 (2.8/28) (28mm F2.8) 4-13...
  • Page 37 (3) Turn the helicoid in the direction of the arrow (screw in direction), and tighten the six screws loosened in step (2) tentatively. (4) Perform the step 4) again. Focus Ring Fastening Plate Focus Ring Screw Screw Screw Screw Screw Screw Fig.4-4-6 SAL28F28 (2.8/28) (28mm F2.8) 4-14...
  • Page 38 Focus Ring Holding Plate Apply the adhesive bond(B-10) Apply the adhesive bond(B-10) Apply the adhesive bond(B-10) Fig.4-4-7 Check that the focus ring moves smoothly from minimum distance to infinity, and perform “4-4-1. Flange Back (f’F) Check” again. SAL28F28 (2.8/28) (28mm F2.8) 4-15...

  • Page 39: Lens Rom Check

    2) Check that the display of “Lens Code” and “Model Name” is correct. Note: Focus position setting is not required. Fig. 4-5-2 [End] 3) Click the button to terminate the lens adjustment program. 4) Turn the POWER switch of the camera to OFF. SAL28F28 (2.8/28) (28mm F2.8) 4-16...

  • Page 40: Error Code List

    Error, Unknown Lens Unidentified lens is connected. Communication Error, Code#:E600 Communication error with the camera Code#:F000 Input data error to DLL file Code#:F100 Setting error of USB port Code#:2531 Communication error of main signal on the camera SAL28F28 (2.8/28) (28mm F2.8) 4-17...
  • Page 41 [Description of main button functions on toolbar of the Adobe Acrobat Reader Ver5.0 (for Windows)] Toolbar Printing a text Reversing the screens displayed once • To reverse the previous screens (operation) one by one, click 1. Click the Print button 2.
  • Page 42 Reverse 985211612.pdf Revision History S.M. Rev. Ver. Date History Contents issued 2006.08 Official Release — — 2007.01 Revised-1 • Change of Repair Parts (Section Section Section SAL28F28 (2.8/28) (28mm F2.8)

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