Samsung 20-50 mm F3.5-5.6 ED II Service Manual
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Samsung 20-50 mm F3.5-5.6 ED II Service Manual

Samsung 20-50 mm F3.5-5.6 ED II Service Manual

Digital camera lens
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SERVICE
DIGITAL CAMERA LENS
DIGITAL CAMERA LENS
NX Lens-XL1206
SAMSUNG 20-50 mm F3.5-5.6 ED II
Manual
1. Repair information
2. Product specifications
3. Disassembly and reassembly
4. PCB diagrams
5. Block diagram
6. Firmware update
7. Exploded view and parts list
CONTENTS

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Summary of Contents for Samsung 20-50 mm F3.5-5.6 ED II

  • Page 1 DIGITAL CAMERA LENS NX Lens-XL1206 SAMSUNG 20-50 mm F3.5-5.6 ED II SERVICE Manual DIGITAL CAMERA LENS CONTENTS 1. Repair information 2. Product specifications 3. Disassembly and reassembly 4. PCB diagrams 5. Block diagram 6. Firmware update 7. Exploded view and parts list...

  • Page 2: Table Of Contents

    Contents 1. Repair information 1-1 Customer satisfaction statement ..........1-1 1-2 Warranty and repair service information ........1-1 1-3 Precaution for disassembly and reassembly ........ 1-4 2. Product specifications 2-1 Specifications ................2-1 2-2 Layouts ..................2-1 2-3 Accessories information ............. 2-2 3.

  • Page 3: Repair Information

    In the event that a valid date of purchase is not available, the warranty period will be determined by the date of manufacture. The warranty period shall be decreased to three months from the original product manufactured date. Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 4 Our liability under this warranty shall be limited to the following: a. In the event of a same malfunction problem within two months after repair service by Samsung authorized technician, we will repair or replace free of charge the component of the product which is found to be defective.
  • Page 5 Defect occurring after the expiration of the Warranty Period. b. Damage due to negligence, immersion in water, impact, loss and tampering. c. Repair or alteration performed by any party other than Samsung authorized technicians. d. Misuse or other improper use of the power button.

  • Page 6: Precaution For Disassembly And Reassembly

    Use an anti-static mat as well as an anti-static wrist strap to avoid ESD damage to PCB. The use wooden or plastic tweezers is recommended for manual placement. CONNECTOR Metal tip tweezer might make marks or damage. BARREL Always follow proper direction while assembling the components of the barrel. Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 7: Product Specifications

    Product Specifications 2. Product specifications 2-1 Specifications <Table. 2-1 Lens specifications> Lens Name SAMSUNG 20-50 mm F3.5-5.6 ED II Image Focal Length 20 ~ 50 mm (equivalent to 30.8 ~ 77 mm in 35 mm format) Elements in Group 9 elements in 8 groups (1 aspheric lens, 1 low dispersive lens\ included) Angle of View 70.2°...

  • Page 8: Accessories Information

    Packing items Lens mount cover AD63-03989A User manual AD68-06644A <Table. 2-3 Optional items information> image Description Leather case AD69-02834A Optional items Filter You can create different colored effects by attaching filters to your lens. Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 9: Disassembly And Reassembly

    Disassembly and reassembly 3. Disassembly and reassembly 3-1 Disassembly 1. Remove the six screws. T.SCREW(M2XL4/BLK) T.SCREW(M1.4XL2.5/BLK) 6003-001759 6003-001769 Fig. 3-1 2. Remove the MOUNT COVER. MOUNT COVER Fig. 3-2 Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 10: Rear Cover Assy

    Note that in case of replacing the Sub Barrel Assy, install the correct quantity of ADJ Washer depending on each Assy. 3. Remove the MOUNT and ADJ WASHER.. MOUNT ADJ WASHER Fig. 3-3 4. Remove the REAR COVER ASSY. REAR COVER ASSY Fig. 3-4 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 11 Damage of I-Function FPCB: Not selection i-Fn. Damage of Contact FPCB: Occurs Interface fail to body Lens. Fig.A 5. Remove the two screws and six FPCB as FPCB in T.SCREW(M1.4XL2.5/NI) 6003-001369 Fig.A FPCB FPCB Fig. 3-5 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 12 Disassembly and reassembly 6. Remove the LENS PCB ASSY. LENS PCB ASSY Fig. 3 -6 7. Remove the P-GEAR 3. P-GEAR 3 Fig. 3 -7 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 13 8. Remove the three screws. T.SCREW(M1.4XL3.5/BLK) 6003-001630 Fig. 3-8 9. Remove the AF create to TELE state of BARREL to turn the ZOOM RING ASSY by counterclockwise direction as Fig.B. AF BASE ASSY TELE Fig.B Fig. 3-9 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 14 Disassembly and reassembly 10. Remove the ZOOM RING ASSY. ZOOM RING ASSY Fig. 3-10 11. Remove the two screws. T.SCREW(M1.4XL2.5/BLK) 6003-001769 Fig. 3-11 Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 15: Front Cover Assy

    12. Remove the two ZOOM ROLLER and two screws as Fig.C. Fig.C. ZOOM ROLLER T.SCREW(M1.7XL3.5/BLK) 6003-001641 Fig. 3-12 13. Be careful to three LOCKs in FRONT COVER ASSY when removing ont the FRONT COVER ASSY. FRONT COVER ASSY Fig. 3-13 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 16 Disassembly and reassembly 14. Remove the OUTER BARREL ASSY and SUB BARREL ASSY. OUTER BARREL ASSY SUB BARREL ASSY Fig. 3-14 15. Remove the 2ND LENS ASSY. 2ND LENS ASSY Fig. 3-15 Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 17: Reassembly

    1. Assemble the 2ND LENS ASSY by matching the marked points in Fig.D Fig.D 2ND LENS ASSY Fig. 3-16 2. Assemble the OUTER BARREL by matching the marked points in Fig.E Fig.F. Fig.E Fig.F OUTER BARREL ASSY Fig. 3-17 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 18 Disassembly and reassembly 3. Tighten the two screws. T.SCREW(M1.4XL2.5/BLK) 6003-001769 Fig. 3-18 4. After assemble the two ZOOM ROLLER and tighten the two screws as Fig.G. Fig.G ZOOM ROLLER T.SCREW(M1.7XL3.5/BLK) 6003-001641 Fig. 3-19 3-10 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 19 5. Assemble the FRONT COVER ASSY by matching the marked points in Fig.H. Fig.H ZOOM RING ASSY Fig. 3-20 6. Assemble the AF BASE ASSY by matching the marked points in Fig.I. AF BASE ASSY Fig.I Fig. 3-21 Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-11 3-11...
  • Page 20 Disassembly and reassembly 7. Tighten the three screws. T.SCREW(M1.4XL3.5/BLK) 6003-001630 Fig. 3-22 8. Assemble the P-GEAR 3 by matching the points in illustrated. P-GEAR 3 Fig. 3-23 3-12 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 21 9. Check the status of assembly of P-GEAR 3 and then assemble the LENS PCB ASSY by matching the ⓐ points. Check the status of assembly of P-GEAR 3. LENS PCB ASSY ⓐ Fig. 3-24 Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-13 3-13...
  • Page 22 Not selection i-Fn. Damage of Contact FPCB: Occurs Interface fail to body Lens. 10. Assemble the six FPCB as Fig J and tighten the two screws. T.SCREW(M1.4XL2.5/NI) 6003-001369 Fig J FPCB FPCB Fig. 3-25 3-14 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 23 Also make sure to align the position on the MOUNT labeled by ⓐ with the position on the MOUNT labeled by ⓑ as illustrated in Fig.K. Once the correct alignment is accomplished, install it to the unit. MOUNT ⓐ ADJ WASHER ⓑ Fig.K Fig. 3-27 Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-15 3-15...
  • Page 24 Disassembly and reassembly 13. Tighten the three screws. T.SCREW(M2XL4/BLK) 6003-001759 Fig. 3-28 14. Assemble the MOUNT COVER by matching the ⓐ, ⓑ points in illustrated. MOUNT COVER ⓑ ⓐ Fig. 3-29 3-16 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 25 Disassembly and reassembly 15. Tighten the three screws. T.SCREW(M1.4XL2.5/BLK) 6003-001769 Fig. 3-30 16. Assemble the FRONT COVER ASSY by matching the marked points in Fig.L. FRONT COVER ASSY Fig.L Fig. 3-31 Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-17 3-17...

  • Page 26: Pcb Diagrams

    PCB diagrams 4. PCB diagrams 4-1 Main PCB(Top) 4-2 Main PCB(Bottom) Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 27: Block Diagram

    Block diagram 5. Block diagram SAMSUNG 20-50mm II F3.5 -5.6 ED SAMSUNG 20-50mm II F3.5 -5.6 ED Block Diagram Block Diagram BODY BODY FOCUS Lens 1군 FOCUS Lens 1군 2 군 2 군 IRIS Module IRIS Module HPCB HPCB 3 군...

  • Page 28: Firmware Update

    When the lens firmware is updated, all the camera settings are set to their default values. Since all the files stored in the internal memory will be deleted, ensure that files are copied to other storage devices before updating the lens firmware. Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 29: How To Update The Firmware

    (After pressing the left button of 4-way key, press the OK button for 1 time.) Firmware Update Fig. 6-1 6. Select the “Lens Firmware”. (Press the OK button for 1 time) Firmware Update Body Firmware 01.00 Lens Firmware 01.00 Change Exit Fig. 6-2 Copyright© 1995-2012 SAMSUNG. All rights reserved.
  • Page 30 Body Firmware 01.00 Processing Lens Firmware Back Fig. 6-4 9. After finishing it, you can find the “Update Completed” message on the LCD. Firmware Update Body Firmware 01.00 Lens Firmware Update Completed Back Fig. 6-5 Copyright© 1995-2012 SAMSUNG. All rights reserved.

  • Page 31: Exploded View And Parts List

    Exploded View and Parts List 7. Exploded view and parts list 7-1 TOTAL ASSEMBLY 1-14 1-12 1-10 1-13 1-15 1-11 1-17 1-16 1-12 1-18 Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.
  • Page 32 AD61-04780A ADJ WASHER 1-11 AD61-04894A MOUNT 1-12 6003-001769 SCREW 1425-25 1-13 AD63-05333B MOUNT COVER 1-14 6003-001759 SCREW 2040-30 1-15 6003-001369 SCREW 1425-25(HT0.3) 1-16 6003-001630 SCREW 1435-25 1-17 AD66-00809A P-GEAR 3 1-18 AD61-05728A NAME PLATE Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 33: Sub Barrel Assembly

    Exploded View and Parts List 7-2 SUB BARREL ASSEMBLY 2-28 2-26 2-27 2-24 2-25 2-22 2-33 2-23 2-20 2-21 2-18 2-19 2-17 2-30 2-32 2-29 2-31 2-32 2-15 2-16 2-13 2-11 2-32 2-14 2-12 2-11 2-10 2-11 Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.
  • Page 34 CAM BARREL 2-27 AD67-01770A GUIDE BARREL 2-28 AD61-04816A FPC PLATE 2-29 6003-001706 SCREW 1430-25 2-30 AD63-05549A IRIS FPCB TAPE2 2-31 AD63-05550A IRIS FPCB TAPE3 2-32 AD66-00840A MOVE PIN 3RD 2-33 AD97-19885A SUB BARREL ASSY Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 35: Rear Cover Assembly

    7-3 REAR COVER ASSEMBLY Loc. No Parts No. Description Q ty Available Remark AD67-02493A REAR COVER_BK BLACK AD67-02493D REAR COVER_SL WHITE AD66-00680A SET POINT AD97-22547A REAR COVER ASSY_BK BLACK AD97-22547B REAR COVER ASSY_WT WHITE Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 36: Af Base Assembly

    F GEAR LEVER 2 4-10 AD97-19658A MOTOR ASSY 4-11 6003-001657 SCREW 1440-25 4-12 AD63-05512A FOCUSING GEAR SHEER 4-13 AD64-03073A FOCUSING GEAR MASK 4-14 AD63-05511A AF MODULE SHEET 4-15 6003-001706 SCREW 1430-25 4-16 AD97-19889A AF BASE ASSY Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 37: Front Cover Assembly

    Exploded View and Parts List 7-5 FRONT COVER ASSEMBLY Loc. No Parts No. Description Q ty Available Remark AD63-05250A FRONT COVER AD63-05360A SHIELD TAPE 3RD AD63-05551A FIX BARREL TAPE AD97-19902A FRONT COVER ASSY Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 38: Outer Barrel Assembly

    FOCUS RING BASE AD64-03701A BUTTON PUSH AD41-01523A SWITCH FPCB AD61-04781A PLATE BUTTON 6003-001369 SCREW 142525 AD41-01521A MF PI FPCB 6-10 AD63-05359A SHIELD TAPE 1ST 6-11 AD63-05522A IRIS FPCB TAPE 6-12 AD97-22546A OUTER BARREL ASSY Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 39: Zoom Ring Assembly

    Parts No. Description Q ty Available Remark AD67-02494A ZOOM RING AD61-05709A LOCK LEVER PLATE 6107-00276 SPRING LEVER LOCK 6003-001675 SCREW 1225-20 AD64-03700A LOCK LEVER AD97-22548A ZOOM RING ASSY-BK BLACK AD97-22548B ZOOM RING ASSY-WT WHITE Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.

  • Page 40: Packing Items

    Exploded View and Parts List 7-8 PACKING ITEMS Loc. No Parts No. Description Q ty Available Remark AD63-03989A COVER-MOUNT CAP;XL1012,PC(GF30) AD97-20008A ASSY LENS CAP 7-10 Copyrightⓒ 1995-2012 SAMSUNG. All rights reserved.
  • Page 41 E.Asia, W.Asia, China, Japan https://gspn2.samsungcsportal.com N.America, S.America https://gspn3.samsungcsportal.com © 2012 SAMSUNG Electronics Co.,Ltd This Service Manual is a property of Samsung Electronics Co.,Ltd. All rights reserved. Any unauthorized use of Manual can be punished under Printed in Korea applicable International and/or domestic law.

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