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Sony SAL75300 - Telephoto Zoom Lens, Service Manual

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Sony SAL75300 - Telephoto Zoom Lens Service Manual Download Page 8

1-5

SAL75300 (4.5-5.6/75-300) (75-300mm F4.5-5.6)

Check the operation

again.

Replace the defective part

or apply the grease.

OK

NG

OK

OK

OK

OK

Function NG

Position NG

Focus trouble

Replace the defective part

or apply the grease.

Check the coupler

 and gear set.

Check the fixed mount

and focus barrel.

NG

NG

NG

NG

NG

END

OK

Check the position

and deformation 

at the tip of the

encoder brush (focus).

Adjust the position, or replace

the encoder brush (focus).

Check pattern

of the focus flexible.

Clean the pattern of the 

 focus flexible.

Replace the main

flexible set.

Perform the 

 focus brush position

check/adjustment.

(See page 4-22.)

1-5-3. Focus Trouble

Summary of Contents for SAL75300 - Telephoto Zoom Lens

Page 1: ...story How to use Acrobat Reader How to use Acrobat Reader Sony EMCS Co SAL75300 4 5 5 6 75 300 75 300mm F4 5 5 6 Ver 1 1 2007 02 LENS FOR DSLR CAMERA 2007B0800 1 2007 02 Published by Kohda TEC 9 876 948 12 US Model Canadian Model AEP Model Chinese Model SAL75300 4 5 5 6 75 300 75 300mm F4 5 5 6 About the Lens Test Projector ...

Page 2: ...C sized image sensor Lens groups elements 10 13 Angle of view 1 1 32 8 10 Angle of view 2 1 21 5 20 2 The 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 equipped with an APS C sized image sensor Minimum focus m feet 3 1 5 4 9 3 Minimum focus is the shortest distance from the image sensor to the subject Maximum mag...

Page 3: ... REPAIR PARTS LIST 3 1 Exploded Views 3 1 3 2 Supplied Accessories 3 7 4 ADJUSTMENTS 4 1 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 Focus shift Check Adjustment 4 16 4 6 Lens ROM Check 4 18 4 7 Zoom Brush Position Check Adjustment and Pattern Check 4 19 4 8 Focus Brush Position Check Adjustment ...

Page 4: ...ean 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 ...

Page 5: ...lexible 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 0 OR DOTTED LINEWITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE ...

Page 6: ... of the presset ring assembly and replace the defective part Perform the aperture diameter adjustment See page 4 7 Perform the aperture diameter check See page 4 4 NG Check operation of the 3rd lens set and iris control block OK OK OK Function NG F No NG Aperture trouble Replace the defective part NG NG NG END OK Perform the aperture diameter check See page 4 4 Ver 1 1 2007 02 ...

Page 7: ...djust the position or replace the encoder brush zoom Check pattern of the main flexible set Clean the pattern of the main flexible set Zoom trouble Replace the main flexible set Perform the zoom brush position check adjustment See page 4 19 NG NG NG NG END OK Disassembly and check the zoom relation parts Replace the defective part or apply the grease Check the operation again ...

Page 8: ...grease Check the coupler and gear set Check the fixed mount and focus barrel NG NG NG NG NG END OK Check the position and deformation at the tip of the encoder brush focus Adjust the position or replace the encoder brush focus Check pattern of the focus flexible Clean the pattern of the focus flexible Replace the main flexible set Perform the focus brush position check adjustment See page 4 22 1 5...

Page 9: ...oard 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 When top of tip does not reach holes or notches because ...

Page 10: ...L BLOCK A B C A B C D D 3 Bayonet 4 Back 2 Light Interception Tube Set 1 Connect Board 5 Zoom Barrel Retainer 6 Connecting Plate 7 Zoom Barrel HELP01 HELP02 HELP03 HELP04 EXPLODED VIEW HELP05 HELP03 HELP06 EXPLODED VIEW FLANGE BACK ADJUSTMENT FLANGE BACK ADJUSTMENT See Page 2 3 Mount Set Washer Block ...

Page 11: ...CK 2 Focus Stopper 4 Focus Barrel Block 1 Gear Set 7 Light Interception Plate Set 5 Guide Roller 6 2nd Lens Group Set 8 Inner Tube Block HELP09 HELP10 HELP11 HELP08 HELP07 EXPLODED VIEW 3 Encoder Brush See Page 2 4 Adjusting Washer FOCUS BRUSH POSITION ADJUSTMENT FOCUS SHIFT ADJUSTMENT ...

Page 12: ...de Pin 3 Helicoid Barrel 1 Encoder Brush 4 4th Lens Set 5 Fixed Mount 6 Main Flexible Set 7 Guide 8 3rd Lens Set 9 Cam Tube Set HELP12 HELP13 HELP14 HELP14 HELP16 HELP17 HELP15 EXPLODED VIEW Roller Press fit C C A D B APERTURE DIAMETER ADJUSTMENT ZOOM BRUSH POSITION ADJUSTMENT B ...

Page 13: ...d LOCTITE 460 or an equivalent article Don t use what becomes white after drying like a quick drying glue 1 Apply the grease G 85 and anti diffusion agent A 20 to the instruction part of the bayonet mount set 2 Attach and fix the flexible board to the bayonet mount set as shown in the figure 3 Apply the adhesive bond LOCTITE 460 to the screw fixing the bayonet mount set Apply the adhesive bond B 4...

Page 14: ...82 623 A Anti diffusion agent A 20 J 6082 611 A Adhesive bond B 10 J 6082 612 A 1 Apply the grease G 55 and anti diffusion agent A 20 to the instruction part of the zoom barrel 2 Apply the adhesive bond B 10 to the instruction part of the support ring and attach it to the zoom barrel HELP05 Grease G 85 J 6082 626 A Apply the grease G 85 to the instruction part of the coupler Apply the adhesive bon...

Page 15: ... part of the helicoid barrel 2 Set the helicoid barrel to the Wide end position as shown in the figure 3 Fit the focus barrel to the inner tube block and install the focus barrel to the inner tube block until it stops at the inner tube block Note Do not set the front barrel to the Tele end position It comes off from the focus barrel Apply the adhesive bond B 10 Apply the grease G 85 Shaft 2684 160...

Page 16: ...rrow to engage to helicoid 7 When the helicoid stops turning check that the FPC number is seen from the area for attaching brush If you cannot see the number reassemble again from the step 3 8 Attach the focus stopper 9 Turn the focus barrel to the both directions infinity close and check that the helicoid moves smoothly 2684 1604 Hold the focus barrel block Area for attaching brush Projection Tur...

Page 17: ...the anti diffusion agent A 20 to the instruction part of the front barrel 4 Insert the front barrel to the focus barrel as shown in the figure Apply the anti diffusion agent A 20 All circumference Apply the anti diffusion agent A 20 Affix side Click projection for attaching hood Longest projection Focus Barrel Block Focus Barrel Front Barrel Guide groove attached longest projection Apply the anti ...

Page 18: ...ed apply the adhesive bond B 10 as shown in the figure it tightens with a universal wrench HELP12 Grease G 85 J 6082 626 A Grease G 114 J 6082 630 A 1 Apply the grease G 85 G 114 to the instruction part of the cam tube set 2 Assemble the cam tube set as shown in the figure Apply the adhesive bond B 10 10 mm wide Longest cut portion Apply the grease G 85 All circumference Apply the grease G 85 All ...

Page 19: ...ine Apply the anti diffusion agent A 20 Attach to interior HELP13 Anti diffusion agent A 20 J 6082 611 A 1 Insert the main flexible set to the slot of the cam tube set and attach it as shown in the figure 2 Apply the anti diffusion agent A 20 to the instruction part of the cam tube set ...

Page 20: ...nd D with reference to projection of the fixed mount as shown in the figure 3 Apply the grease G 15 G 55 to the instruction part of the fixed mount Apply the anti diffusion agent A 20 Reference line Projection Projection Projections Projection Projections Reference line Reference line Reference line Reference line Reference line Friction Tape C Friction Tape D Approx 1 mm Apply the grease G 55 All...

Page 21: ...the helicoid barrel 2 Apply the adhesive bond B 40 to the three guide pins fixing the helicoid barrel 3 After the zoom brush position adjustment is completed apply the adhesive bond B 10 to the two screws as shown in the figure Apply the adhesive bond B 40 3 areas Apply the adhesive bond B 10 Apply the grease G 15 Liner groove 6 areas Apply the anti diffusion agent A 20 All circumference 10 mm wid...

Page 22: ...d lens set 2 Match the lever of the diaphragm operation plate to the position without projection part of the pressure plate 3 After the aperture diameter adjustment is completed apply the adhesive bond B 10 to the three screws as shown in the figure Apply the anti diffusion agent A 20 All circumference Apply the anti diffusion agent A 20 All circumference Apply the anti diffusion agent A 20 All ci...

Page 23: ...E XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not supplied 7 2 649 300 01 SHEET ADHESIVE Note 2 8 A 1203 916 A MOUNT SET BAYONET 9 A 1203 917 A P...

Page 24: ... 692 01 CHIP MOUNT INDEX 55 2 698 461 01 ZOOM RUBBER RING 56 2 698 449 01 ZOOM BARREL 900 BLACK 57 9 913 210 03 POLYESTER TAPE BLACK 10mm Note 2 Note 1 The number or type of these parts need to be selected according to adjustment etc Select the part referring to page 3 6 58 2 698 451 01 SUPPORT RING 59 2 684 056 01 COUPLER 60 Selection part COUPLER ADJUSTMENT WASHER A to E Note 1 61 2 698 463 01 S...

Page 25: ...5 2 698 494 01 SPACER 106 2 698 496 01 SCREW M1 7X4 0 107 2 698 478 01 FOCUS STOPPER 108 A 1203 896 A LENS SET 2ND 109 A 1203 897 A PLATE SET LIGHT INTERCEPTION Note 1 The number or type of these parts need to be selected according to adjustment etc Select the part referring to page 3 6 110 2 698 480 01 FRICTION TAPE B 111 2 698 470 01 FOCUS BARREL 112 2 683 629 01 SCREW TAPPING M1 4X2 0 113 2 698...

Page 26: ...2 698 514 01 FRICTION TAPE C 159 2 698 537 01 FLEXIBLE FOCUS 160 2 698 511 01 HELICOID BARREL 161 Selection part GUIDE PIN A to D Note 1 Note 1 The number or type of these parts need to be selected according to adjustment etc Select the part referring to page 3 6 162 Selection part GUIDE ROLLER2 A to 2 P Note 1 163 2 698 477 01 ENCODER BRUSH 164 2 683 629 01 SCREW TAPPING M1 4X2 0 165 A 1203 903 A...

Page 27: ...2 9 913 210 03 POLYESTER TAPE BLACK 10mm Note 1 203 2 649 300 01 SHEET ADHESIVE Note 2 204 2 698 543 01 TAPE E 205 A 1203 918 A FLEXIBLE SET MAIN Note 1 Polyester tape black 10mm Ref No 202 for 30 mm Note 2 Cut the adhesive sheet 210x297 mm Ref No 203 for 5 26 mm 205 204 203 5 x 26 mm Note 2 202 6 x 30 mm Note 1 201 ns ns not supplied ...

Page 28: ... mm D2 4 39 mm 2 698 493 01 GUIDE ROLLER 1 L D1 4 87 mm D2 4 39 mm Ref No 116 These washers are provided for focus shift adjustment Change the thickness t according to result of adjustment Part No Description 2 698 471 01 ADJUSTING WASHER A T 0 05 mm 2 698 472 01 ADJUSTING WASHER B T 0 06 mm 2 698 473 01 ADJUSTING WASHER C T 0 07 mm 2 698 474 01 ADJUSTING WASHER D T 0 1 mm 2 698 475 01 ADJUSTING W...

Page 29: ...s 2 686 120 01 MANUAL INSTRUCTION JAPANESE ENGLISH FRENCH SPANISH SIMPLIFIED CHINESE 2 686 120 11 MANUAL INSTRUCTION GERMAN DUTCH SWEDISH ITALIAN AEP 2 686 120 21 MANUAL INSTRUCTION PORTUGUESE RUSSIAN TRADITIONAL CHINESE KOREAN ARABIC AEP LensHood SH0007 2 687 046 01 FrontLensCap 2 683 616 01 RearLensCap 2 683 615 01 ...

Page 30: ...tor 2 Note Color Calculator 2 is downloadable from the ESI homepage Fig 4 1 1 Ver 1 1 2007 02 Personal computer Note 1 AE master lens J 6082 597 A Flange back gauge 43 50mm J 6082 608 A Flange back tester J 6082 606 A A mount attachment J 6082 607 A Lens test projector J 6082 605 A Note 3 1000 mm Collimator 110V J 6082 604 A 240V J 6082 604 B Note 2 USB cord with connector 1 833 062 11 Luminance b...

Page 31: ...ecommended Hard disk free area 15 M Byte or more recommended USB terminal Standard equipment Graphics 32 000 colors or more recommended VGA monitor Note 2 Attach the chart to the 1000 mm collimator as shown in Fig 4 1 2 Fig 4 1 2 Note 3 Connect the variable transformer Output voltage AC 100 V to the lens test projector Align the marks 1000 mm collimator Chart ...

Page 32: ...he link Preparing the DSLR A100 adjustment program described on the top cover of the camera DSLR A100 service manual 9 852 130 5 Note Store the lens adjustment program LensAdjustment exe and related file AlphaLensAdjust txt in the folder that contains the DSLR A100 adjustment program DSLRadj_cs exe 2 Start the Lens Adjustment Program 1 Connect the camera and PC with the USB cord with connector 2 S...

Page 33: ... Note Shoot the center of the luminance surface three times with the master lens and checking lens Setting of Luminance box Luminance EV12 Setting of Lens Zoom Wide end focal length 75mm Focus Infinity end Setting of Camera ISO 100 Exposure Mode M shutter Speed 1 125 Aperture F5 6 Focus Mode MF Metering Center weighted Preset white balance Tungsten D R OFF Luminance box Luminance EV12 Camera ISO 1...

Page 34: ... 1 Start the Color Calculator 2 Fig 4 2 2 2 Read the image from the file menu Fig 4 2 3 3 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 4 Color space Edit menu sRGB Fig 4 2 5 Area size for calculate Edit menu Option 256 256 Pixels Fig 4 2 6 ...

Page 35: ... images shoot with checking lens b Fig 4 2 7 3 Checking Method 1 Calculate aperture error using the following formula and check that the aperture error is within the specification 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 Calculate ...

Page 36: ...cking lens into the state of Fig 4 2 8 all exterior parts and 2nd lens set were removed Fig 4 2 8 2 Temporarily attach the bayonet mount set and set the aperture diameter to smallest opening 3 Set the zoom to the Wide end position focal length 75 mm 4 Loosen the three screws fixing the pressure plate 5 Turn the pressure plate so that the inner diameter of the diaphragm blades is 2 6 mm and tighten...

Page 37: ... 10 to the three screws tightened in step 5 Fig 4 2 10 7 Assemble the lens completely 8 Perform 4 2 1 Aperture Diameter Check and repeat steps 1 to 8 until the aperture error is within the specification Pressure Plate Apply the adhesive bond B 10 Apply the adhesive bond B 10 ...

Page 38: ...75 3 3 200 8 4 300 11 6 Table 4 3 1 1 Perform the following steps 1 to 3 and incorporate the internal lenses of the lens test projector according to the checking focal length 1 Open the lid of the lens test projector 2 Pull up and turn the fixed levers on the right and left sides of the lens test projector 3 Remove or insert the lens Note Be sure to have the right position and direction of the len...

Page 39: ...switch to ON Fig 4 3 2 4 Turn the focus ring 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 Distance Lens test projector Chart Fan switch Lamp switch Plane mirror Screen A mount attach...

Page 40: ...age of 2 or 4 lines which appears on screen when focus is beyond maximum revolving power Do not confuse spurious resolution for the smallest pitched lines Fig 4 3 4 4 Change the focal length zoom and distance of the checking lens and check that the all readings y 0 saggital S and meridional M at y 15 or 18 at each focal length zoom and distance is within the specification of the Table 4 3 2 Specif...

Page 41: ...he A mount attachment and hold them together 4 Turn the focusing knob of the flange back tester so that fine scratches on the flange back gauge 43 50mm is the sharpest Note Turn the knob in the direction of the arrow of Fig 4 4 2 for correct reading 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 50 mm Memorize the p...

Page 42: ...ividual lens Fig 4 4 4 4 Calculate the flange back f F of the checking lens using the following formula and check that the specification of the Table 4 4 1 is satisfied Flange back f F of the checking lens Flange back gauge Number of short pointer revolution Reading of long pointer Specification Focal length f F mm f mm Infinity position 75 44 60 to 44 90 100 to 200 44 50 to 44 80 300 44 60 to 44 ...

Page 43: ...When the focus shift adjustment is not completed perform 4 5 FOCUS SHIFT CHECK ADJUSTMENT 2 Perform 4 4 1 Flange Back f F Check and check that the flange back f F of the checking lens is out of specification of the Table 4 4 1 3 Calculate focus error amount using the following formula Focus error amount Flange back f F reading at focal length 75 mm 44 75 mm Focus error amount Amount that should be...

Page 44: ...back 5 Calculate the adjustment washer thickness using the following formula and replace the adjustment washer Refer to Table 4 4 2 and Fig 4 4 5 Coupler adjustment washer thickness Back washer thickness 0 25 mm Back washer Parts No T mm A 2 698 455 01 0 05 B 2 698 456 01 0 07 C 2 698 457 01 0 1 D 2 698 458 01 0 2 E 2 698 459 01 0 5 Coupler adjustment washer Parts No T mm A 2 684 057 01 0 05 B 2 6...

Page 45: ...orm 1 Preparations of 4 4 1 Flange Back f F Check 2 Checking Method 1 Check the flange back f F at each focal length 75 200 and 300 mm by turning the zoom ring of the checking lens Note The focus shift amount of the checking lens is difference between the maximum flange back f F and minimum flange back f F at each focal length Focus shift Maximum flange back f F reading Minimum flange back f F rea...

Page 46: ...e back value mm at focal length 300 mm f w Flange back value mm at focal length 75 mm T f t f w 5 28 3 Adjust the adjusting washer thickness according to the result of step 2 Refer to Table 4 5 1 and Fig 4 5 1 When the focus shift T is a positive value Increase adjusting washer thickness by the amount of T When the focus shift T is a negative value Decrease adjusting washer thickness by the amount...

Page 47: ...nnect the checking lens to the camera 2 Start the lens adjustment program LensAdjustment exe referring to 4 1 2 Lens Adjustment Program Fig 4 6 1 2 Checking Method 1 Click the Connect button on the lens adjustment program Note Click the End button to disconnect the USB connection then lens adjustment program will terminate 2 Check that the display of Lens Code and Model Name is correct Note Zoom a...

Page 48: ...ent exe referring to 4 1 2 Lens Adjustment Program Fig 4 7 1 2 Checking Method 1 Click the Connect button on the lens adjustment program Note Click the End button to disconnect the USB connection then lens adjustment program will terminate Fig 4 7 2 2 Click the Zoom button on the lens adjustment program 3 Set the zoom position to Wide end and check that the OK Green indicator of Position lights as...

Page 49: ...1 Perform the following steps 1 to 3 and set the checking lens into the state of Fig 4 7 5 1 Remove the front barrel and focus barrel 2 Unsolder the focus flexible from the main flexible set 3 Remove the four screws fixing the fixed mount and set the checking lens into the state of Fig 4 7 5 Fig 4 7 5 2 Reattach the bayonet mount set light interception tube set and lens contact board A B A B Light...

Page 50: ... is normal performance 1 Turn the zoom ring slowly from the Tele end Zoom Pattern 1 to Wide end Zoom Pattern 23 and check that the value of Zoom Pattern change from 1 to 23 continuously 2 Turn the zoom ring slowly from Wide end Zoom Pattern 23 to the Tele end Zoom Pattern 1 and check that the value of Zoom Pattern change from 23 to 1 continuously Fig 4 7 8 3 Click the Exit button 4 Click the End b...

Page 51: ...ustment exe referring to 4 1 2 Lens Adjustment Program Fig 4 8 1 2 Checking Method 1 Click the Connect button on the lens adjustment program Note Click the End button to disconnect the USB connection then lens adjustment program will terminate Fig 4 8 2 2 Click the Focus button on the lens adjustment program 3 Set the zoom position to Wide end and the focus position to infinity end then check that...

Page 52: ...justment Program is downloadable from the ESI homepage 1 Preparations 1 Set the checking lens into the state of Fig 4 8 5 zoom barrel was removed Note Check that the focus FPC is soldered to the main FPC assembly Fig 4 8 5 2 Reattach the bayonet mount set light interception tube set and contact board A B A B Light Interception Tube Set Bayonet Mount Set Contact Board Check that the focus FPC is so...

Page 53: ...al performance 1 Turn the focus ring slowly from the near end Focus Pattern 1 to the infinity end Focus Pattern 28 and check that the value of Focus Pattern change from 1 to 28 continuously 2 Turn the focus ring slowly from the infinity end Focus Pattern 28 to the near end Focus Pattern 1 and check that the value of Focus Pattern change from 28 to 1 continuously Fig 4 8 8 3 Click the Exit button 4...

Page 54: ...out of sync with the number of check pattern Error No Lens Lens is not connected correctly 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 ...

Page 55: ...pplied to the Service Manual depending on the date of issue Switching a page To move to the first page click the To move to the last page click the To move to the previous page click the To move to the next page click the Reversing the screens displayed once To reverse the previous screens operation one by one click the To advance the reversed screens operation one by one click the Application to ...

Page 56: ... 75 300mm F4 5 5 6 Ver 1 0 1 1 Date 2006 06 2007 02 History Official Release Revised 1 Contents Change of Repair Parts Section 1 5 Section 2 Section 3 Section 4 Addition of guide of About the Lens Test Projector Cover S M Rev issued Yes 987694812 pdf ...

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