Nikon JAA79201 Repair Manual Download Page 57 | Manualshive

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JAA79201-R.3669.A

- Ａ42 ･ AF-S DX18-55/3.5-5.6G -

90°

180°

270°

3. Adjustment
In case the result of the resolution inspection becomes out of standard, detach the 1st lens group. Then, turn the
1st lens group through 90° to assemble into the body by using the 1st lens group assembling tool (J11315).
To find the best adjusted point, check the following: 90°→180°→270°. If all of these 3 points does not become
within standard, some defective parts caused by a damage such as shock should be considered. Therefore,
replace probable faulty parts (e.g. bayonet mount, 1st/2nd lens group, filter ring, fixed tube unit, etc) and make
an inspection on resolution again.

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Summary of Contents for JAA79201

Page 1: ...印配布許可印 JAA79201 R 3669 A JAA79201 Copyrigh ｃ 2005 by Nikon Corporation All Rights Reserved 無断転載を禁ず Printed in Japan May 2005 AF S DX Nikkor ED 18 55 3 5 5 6G JAA79251 Black Silver REPAIR MANUAL Ｍサービス計画課 ...

Page 2: ... 35 45 55mm Distance information Output to camera body Zoom control Manually via separate zoom ring Focusing Autofocus using a Silent Wave Motor manually via separate focus ring Closest focus distance 0 28m 0 9 ft at all zoom settings Diaphragm Fully automatic Aperture range f 3 5 to f 22 at 18mm f 5 6 to f 38 at 55mm Exposure measurement Via full aperture method Attachment size 52mm P 0 75mm Dime...

Page 3: ...PC Because prototypes are used for Disassembly Re assembly Adjustment they may differ from the actual products in forms etc Because pictures are processed by a special method they may differ from the actual ones in texture Lead free solder is used for this product For soldering work the special solder and soldering iron are required Do NOT mix up lead free solder with traditional solder Use the sp...

Page 4: ...JAA79201 R 3669 A Ｄ2 AF S 18 55 3 5 5 6G 62 Rear cover ring Take out 3 screws 91 to remove the rear cover ring 39 39 91 3 B27 Rubber ring Remove the rubber ring 62 ...

Page 5: ...8 55 3 5 5 6G 103 111 4 B1 100A I n 52 67 2 B27 B6 1st lens group Distance brush hole sealing plate Polyester tape Take out 2 screws 67 of the contact unit B6 that is attached to the bayonet mount unit B27 Removal of Contact unit ...

Page 6: ...5 5 6G Take out the screw 155 to remove the M A change SW unit B22 155 Bayonet mount unit Take out 3 screws 78 of the bayonet mount unit B27 to remove the lead wire 1131 1131 Remove the solder 78 3 B27 Removal of M A change SW unit B22 ...

Page 7: ...elease the key part of the flare cutter 46 from the key groove of the cam tube then remove the flare cutter 46 Key part Key groove of Cam tube B24 Release the key part from the key groove Set the zoom position to WIDE end While pressing the pointed tip of the key inward remove the key by turning clockwise ...

Page 8: ...JAA79201 R 3669 A Ｄ6 AF S 18 55 3 5 5 6G Straight key unit 86 2 B25A 86 2 B25B 2nd lens group B24 ...

Page 9: ...e window of the rear fixed tube 57 and remove the rear fixed tube B22 57 Removal of FPC from Main PCB unit Remove the SWM unit B501 from the main PCB unit B1001 B501 B1001 Remove the contact unit B6 and MR unit B7 from the connector of the main PCB unit B1001 B1001 B7 B6 Note Do NOT touch A part directly with hand A ...

Page 10: ... Remove the zoom distance FPC from the connector of the main PCB unit B1001 B1001 Zoom distance FPC Remove the main PCB unit B1001 89 89 89 B1001 Main PCB unit Remove the lead wire 1131 from the main PCB unit B1001 Hole Remove the solder 1131 ...

Page 11: ...55 3 5 5 6G Contact unit Remove the contact unit B6 B6 M A change SW unit Remove 2 lead wires of the M A change SW unit B22 from the main PCB unit B1001 B22 Remove the solder B1001 Black Red Zoom brush unit 89 B8 52 Zoom brush unit ...

Page 12: ...olyester tape 77 from the zoom ring 52 77 52 Zoom cover ring Filter ring unit While releasing the engagements of 2 keys of the focus ring turn the filter ring unit B20 in the direction of the arrow to remove it B20 Helicoid ring Key of focus ring Zoom ring ...

Page 13: ...JAA79201 R 3669 A Ｄ11 AF S 18 55 3 5 5 6G Zoom ring 102 2 Take out 2 screws 102 that attach the zoom ring 52 52 Detach the zoom ring 52 from the fixed tube unit 52 Fixed tube unit ...

Page 14: ...8 55 3 5 5 6G 56 MR unit Remove the MR unit B7 from the fixed tube 56 Remove 2 silicon rubbers 56 from the square grooves of the fixed tube Remove the FPC of the MR unit from the fixed tube 72 72 B7 Fixed tube unit Silicon rubber ...

Page 15: ...JAA79201 R 3669 A Ｄ13 AF S 18 55 3 5 5 6G Gear SWM unit B501 Do NOT touch A part A Remove the SWM unit B501 from the fixed tube A 132 131 Fixed tube B501 Gear Note Do NOT touch A part directly with hand ...

Page 16: ...eter surface and assemble the rings by turning them Cam ring Cam tube unit Helicoid ring Cam ring With the cam tube unit 3 outer convex portions being at the full up WIDE position assemble the fixed tube 3 inner grooves between cams Note The cam ring and helicoid ring are NOT prepared as single part of RP Cam tube unit Fixed tube Cam tube unit Fixed tube Convex portion on the outer diameter surfac...

Page 17: ...emble the SWM unit into the fixed tube Ａ Raise the clutch gear with tweezers and check the engagement of the segment gear tube and the ear 513 by turning the MF ring Raise the clutch gear with tweezers and check it moves back downwards smoothly 132 131 Clutch gear MF ring Grease MZ 800S Note Do NOT touch A part Segment gear tube ...

Page 18: ...emble the MR unit B7 into the fixed tube 56 Put the silicon rubbers 56 into 2 square grooves of the fixed tube and press them with fingers Attach the FPC of the MR unit on the fixed tube and press it with fingers 72 72 B7 Square groove 2 Adhesive Screwlock ...

Page 19: ...semble them Then turn the zoom ring and fit 2 convex portions of the cam ring into 2 holes of the zoom ring 52 Fix the zoom ring 52 with 2 screws 102 and check the smoothness of the zoom ring s movement Fixed tube unit 52 Apply to the sliding part of the inner diameter surface Grease MZ 800S Convex portion Notch Convex portion of cam ring ...

Page 20: ...ing and turn the filter ring until it clicks Inspection and adjustment of output waveform of MR encoder Helicoid ring Apply to the sliding part of the outer diameter surface Grease MZ 800S Oscilloscope 2ch type Rated voltage power supply Set value 5 0 V 100 mA GND Attachment diagram Self made tool Oscilloscope 2ch Oscilloscope 1ch Rated voltage power supply Rated voltage power supply Self made too...

Page 21: ...se the FILTER function How to set FILTER function e g DL1540 manufactured by YOKOGAWA 1 Press the FILTER button 2 Select Smooth of the menu on screen and turn it ON Amplitude CH1 CH2 Fig 1 In case the amplitude is small disassemble up to the stage of the zoom ring Then if the deformation is detected in the MR head correct the deform of the MR head On the other hand if such correction is impossible...

Page 22: ...eck for it If this is not the case the MR head may malfunction so replace the MR holder unit and make a readjustment As shown in Fig 2 if the amplitude partially drops between the infinity and the close distance the magnetic data of the tape may be damaged So replace the main fixed tube unit and make a readjustment Replacing only the magnetic surface is impossible Turn off the rated voltage power ...

Page 23: ...ne of the entire circumference of the 2 rings 77 52 Zoom cover ring Zoom brush unit Assemble the zoom brush unit B8 into the zoom ring 52 Note In order to prevent the brush from being bent when assembled use the Z brush insertion sheet J11316 and assemble the zoom brush unit B8 89 B8 52 Z brush insertion sheet J11316 6 30 TA 0012 Newly prepared RJ tool ...

Page 24: ...attach the contact unit to the fixed tube B6 Align the FPC mark with the edge of the fixed tube Main PCB unit After soldering the lead wire 1131 on the main PCB unit B1001 pass the wire through the hole of the PCB Hole Solder 1131 Make a valley fold from the 2 points to crease FPC Surface for positioning Surface for positioning ...

Page 25: ...hange SW unit Solder 2 wires of the M A change SW unit B22 on the main PCB unit B1001 Be sure to place the main PCB unit B1001 on the surface for positioning of the fixed tube then fix it with 3 screws 89 3 B22 Solder 89 89 89 B1001 B1001 Black Red ...

Page 26: ...of the main PCB unit B1001 to connect them Insert the SWM unit B501 into the connector of the main PCB unit B1001 to connect it Diagram of NG insertion No slack of lid No slanted insertion Lid B1001 B501 Zoom distance FPC Diagram of NG insertion No slanted insertion B1001 B1001 B7 B6 Diagram of NG insertion No slanted insertion No slack of lid Lid Diagram of NG insertion No slanted insertion ...

Page 27: ... rear fixed tube 57 and assemble them B22 57 B24 3 concave portions 3 convex portions of the inner diameter surface Lever of aperture actuating plate Set the zoom ring 52 to WIDE side Then assemble the 2nd lens group B24 into it by aligning convex portions with the concave portions of B24 52 Grease OS 30MF Apply to the overall sliding part Grease MZ 800S ...

Page 28: ...gning setscrew holes and key grooves of the fixed tube unit 86 2 B25A 86 2 B25B Flare cutter B25A B25B Align 3 cams of the 2nd lens group B24 with 3 convex portions of the flare cutter 46 to assemble them Then put the key part into the key groove of the cam tube 46 Key part Key groove of the cam tube B24 Put the key part into the key groove Grease I 40 Grease I 40 Cam ...

Page 29: ...unt unit After applying the grease to the lever of the bayonet mount unit B27 solder the lead wire 1131 and fix 3 screws 78 to assemble 1131 Fix the washers 101A J n 1131 B27 Solder 78 3 Put the lead wire into the hole Apply to the overall contacting surface Grease G92KA ...

Page 30: ...change SW unit B22 with the screw 155 155 Check if the M A change SW and focusing operation work properly Ground line continuity check Check electric continuity of the ground line from the GND pin of the bayonet mount to the M A change SW unit B22 Ground line black B22 GND Continuity tester ...

Page 31: ... 103 Polyester tape 52 1st lens group Put the 1st lens group B1 and washers 100A I n by fitting their holes into the pins of the 1st lens group assembling tool J11315 and assemble them into the filter ring B20 Then fix 4 screws 111 111 4 B1 100A I n 10 30 TA 0011 1st lens group assembling tool J11315 Newly prepared tool as RJ B20 Note Gap should be approx 1 mm or less 1mm or less ...

Page 32: ... the thickness of it ref Page A16 Note When the washer 100 is put place a thin washer between thick washers 1 Turn the focus ring all the way to the infinity end 2 Fix the aperture lever so that the aperture becomes wide open 3 Read the value of Wide or Tele side 4 Remove the bayonet mount 5 Adjust the washer 101 by increasing decreasing by the difference from the standard value If the difference ...

Page 33: ... B27 with 2 screws 67 Attachment of Contact unit 67 2 Contact unit Mount the tool J18004 1 and check the aper ture diameter Standard Full aperture In case it is out of standard adjust the position of the aperture lever 23 by loosing 2 screws 93 J18004 1 Aperture diameter adjustment 93 2 23 ...

Page 34: ...rface cannot be used As long as the above requirements are met either desktop or notebook PC is available Preparation for inspection adjustment of main PCB In case of replacing the main PCB SWM unit or MR encoder unit be sure to make the necessary adjustments as follows 1 Adjustments Adjust the MR duty Adjust the driving frequency and motor control including Focus preset adjustment 2 Equipment and...

Page 35: ... the personal computer is a 9 pin type connect it by using the 25 pin 9 pin conversion connector RJ does not supply this connector Use products on the market Personal computer This system does not depend on the CPU type of personal computer AF I communication adapter J15307 To RS232C terminal AF I communication box J15306 1 Oscilloscope Power supply 6V ...

Page 36: ...lues in EEPROM appears Select the appropriate item Following the instruction on the screen rotate the MF ring slowly by hand in the direction from the infinity to the close distance position Make sure that the waveform on the oscilloscope has duty 50 and stop the MF ring at the close distance end Setting of oscilloscope V Div CH1 5V V Div CH2 5V Coupling DC Time Div 5 m Sec Trigger Mode NORMAL Tri...

Page 37: ...nit fix tube unit or MR head unit may be defective Fig 1 Adjustment of Driving frequency and Motor control In case of replacing the main PCB SWM unit and MR encoder unit be sure to make adjustments The method of connection of the rated voltage power supply and measuring tools is the same as ADJUSTMENT OF MR DUTY Make sure that the electric current and voltage of the rated voltage power supply are ...

Page 38: ...y using the oscilloscope In case the irregularity of mechanical operations does not take place in the focus ring driving unit the servo time tends to be long if it is heavy in the cam ring rotation of the MR encoder while the servo time tends to be short if it is light in its rotation of the MR encoder 4 Switches and lenses Check the ON OFF operations of switches and the operating condition of the...

Page 39: ...or reading and writing EEPROM DATA The items 4 7 are used for inspections Selection items After selecting items screens appear such as the lens selection the focal length selection the voltage setting the inspection mode start The screens depend on the items Follow the instructions of the personal computer Initial driving Drive scanning several times and stop at infinity end ...

Page 40: ...R encoder operations Caution If the MF ring is rotated while the lens scanning is driven the pulse shows an abnormal value Do NOT touch the MF ring during operations Make inspections at the 5 positions as below When the inspection ends the result of the next page appears ...

Page 41: ...JAA79201 R 3669 A Ａ26 AF S 18 55 3 5 5 6G The difference in pulse before and after the inspection must be within the standard Standard Total pulses 1863 100 PULSE S ...

Page 42: ...a figure between 0 1000 for the delay time msec millisecond which pre vents stopping the lens Fig 2 3 Inspection of lens servo stop accuracy Note The value of ADUST DELAY TIME is set by the adjustment software So if the lens does not stop during the inspection of LENS DRIVING STOP ACCURACY any value can be input without problem However the larger the value of ADJUST DELAY TIME gets the longer the ...

Page 43: ...nderrun pulses must be within the standards after the lens back and forth driving 5 motion 1 1TIME S in 1 of the display Standard RATIO 1 is 40 or less for Df1 Df6 of the screen Occurrence ratio of W 32 93 T 7 18 pulses RATIO 2 is 20 or less for Df1 Df6 of the screen Occurrence ratio of W 62 93 T 12 18 pulses Occurrence of W 94 T 19 or more pulses is zero for Df1 Df6 and of the screen Only one occ...

Page 44: ...ens servo drive time must be within the standard Caution If the MF ring is rotated during inspections the waveform shows an abnormal value Do NOT touch the MF ring during inspections E terminal H terminal E terminal H terminal Servo driving time Servo driving time Oscilloscope setting V Div 5V Coupling DC Time Div 20 m Sec Trigger Mode SGL S Trigger Coupling DC Trigger Source CH1 The waveforms of ...

Page 45: ...in the lens Signals of the distance encoder Value changes by turning the MF ring with M or M A of the lens driving mode selector Position of the zoom encoder Value changes by turning the zoom ring lens driving mode selector SW 5 Inspection of switches and lens conditions ...

Page 46: ... fixed value driving frequency motor control Inspection adjustment for MR encoder operations lens servo stop accuracy lens servo time switches lens condition Main PCB unit SWM unit MR head unit Fixed tube unit Necessary adjustment when replacing parts Parts to be replaced Adjustments ...

Page 47: ... disassembled Be sure to make this adjustment after completing inspecting and adjusting the main PCB 1 Preparation Test chart Self made tool ref Procedure for how to create it Tripod D100 Personal computer USB cable UC E4 Adjustment software LWM exe used for the lens optical alignment 2 Procedure for how to create Test chart Photocopy the next page and cut out 1 target chart and 5 resolution chart...

Page 48: ...JAA79201 R 3669 A A33 AF S 18 55 3 5 5 6G Target chart Resolution chart ...

Page 49: ...200 Set up the camera D100 in which the lens to be inspected is fit on the tripod Set the focal length to 55 mm and the distance between the test chart and camera CCD face to 2 m 20 2 cm 2 m 20 2 cm CCD face position Test chart As shown below bring the target chart in the center of focus area within viewfinder Target chart Within viewfinder Resolution chart Connect the PC and camera via USB cable ...

Page 50: ...79201 R 3669 A A35 AF S 18 55 3 5 5 6G Select AF S DX18 55 3 5 5 6G from Target lens list and click OK button Click the Defocus rectify button When Next Defocus rectify only window appears click OK button ...

Page 51: ... check which chart is in focus of the 5 resolution charts Note As for this lens even if the aperture is fully open the depth of field is so deep that when looking for the center of focus compare 2 charts between which there are 2 or more charts 100μm 100μm 50μm 50μm 0μm Input the value of the focused position into the entry field e g The below is the case when 70μm of the front focus side is in fo...

Page 52: ...re displayed within the dotted red circle Then click on Rewriting When A compensation value is written in is displayed click OK Set the focal length of the lens to 18 mm and the distance between the test chart and camera CCD face to 72 2 cm Perform the operations from to of the previous page ...

Page 53: ...urned off once the value that was written in EEPROM is not reflected When the adjustment software restarts perform the operations from to again Check that 0μm of the AF position is in focus It is also possible after Wide side shooting of to take the Tele side shooting of If 0μm is not in focus repeat the operations from to If it is not still in focus even after repetition the written value in EEPR...

Page 54: ...AAA a Camera settings Shooting mode Aperture Priority Auto A Aperture Full Image quality mode FINE Image size FULL ISO 200 Image sharpening None Reset other settings e g compensation and shoot pictures b To avoid light irregularity on the chart for either 2 units of Z light Z 309 J19124 or 2 units of 15W inverter type fluorescent stand use fluorescent lamp color rendering AAA J19124A Set them so t...

Page 55: ...Because horizontal to vertical aspect ratio is different between the chart and the finder field frame align with the vertical direction ref Pic 1 d Open the shot image by Photoshop and confirm it by the magnified display e g 100 etc e Check if the resolution in the center and the 4 corners is identifiable in black and white at the position circled in red as below Refer to the next page for sample ...

Page 56: ...ecome less than 1400 or any of the periphery 4 corners shows the following image of defective samples less than 1200 TV lines make an adjustment on the next page Note For the judgment the defective image sample should be prioritized over the number of TVlines Defective at WIDE side NON defective at WIDE side Defective at TELE side NON defective at TELE side ...

Page 57: ...ble into the body by using the 1st lens group assembling tool J11315 To find the best adjusted point check the following 90 180 270 If all of these 3 points does not become within standard some defective parts caused by a damage such as shock should be considered Therefore replace probable faulty parts e g bayonet mount 1st 2nd lens group filter ring fixed tube unit etc and make an inspection on r...

Page 58: ...A Ａ43 AF S DX18 55 3 5 5 6G 62 39 91 3 B27 Rubber ring Assemble the rubber ring 62 Rear cover ring Set the zoom to TELE side Assemble the rear cover ring 39 into the bayonet mount unit B27 and fix them with 3 screws 91 ...

Page 59: ...ORP JAPAN 113 Name plate 68 Company name ring Index When the focus ring is set to the infinity end attach the company name ring 113 so that the index position is aligned with k letter of Nikon of the ring Country of origin seal 134 black 334 silver 133 black 333 silver ...

Page 60: ...with CN Reverse side 赤 Red 黒 Black はんだで接続 Connected with soldering 中継 FPC B 中継 FPC A MA8A 基板 MA8A PCB Connection FPC B Connection FPC A CN 接続表面 CN Connecting Face side MR センサー付き FPC MR Sensor FPC CN 接続表面 Connected with CN Face side CN 接続表面 Connected with CN Face side To the contacts 接点部材へ接点ＦＰＣ Contact FPC 絶対距離 FPC Absolute focal distance FPC ズーム FPC Zoom FPC MR Magnetic tape MR 磁気テープ SWM FPC T...

Page 61: ...JAA79251 R 3669 A F1 AF S DX 18 55 3 5 5 6G 外観図 Sketch drawings ...

Page 62: ...2 AF S DX 18 55 3 5 5 6G 組立図 Structure of the Lens 181 183 142 59 47 95 29 501 132 131 152 352 153 154 151 1012 351 1003 89 89 123 122 121 84 23 93 99 55 46 148 1002 89 45 71 33 5 1003 79 75 26 44 1009 41 182 184 355 155 ...

Page 63: ...FOCUS TESTER J18387 AF S DX 18 55 点検調整ソフト ADJ FD FOR AF S 300VR IBM 3 5 J18004 1 Ｊ１８００４用基準ゲージ STANDARD GAUGE FOR J18004 J15306 1 ＡＦＩ通信ボックス AF I LENS COMMUNICATION BOX CE J15307 ＡＦＩ通信アダプター COMMUNICATION ADAPTER FOR AF I 自作工具自作工具 SELF MADE TOOL FOR AF S24 85 J11315 １群組立工具 1ST LENS G ASSEMBLING TOOL J11316 Z ブラシ挿入用シート Z BRUSH INSERTION SHEET J18379 調芯装置用調整ソフトＬＷＭ ADJ FD LWM FOR LENS ALIGNMENT 工具編...

Page 64: ...705 0 5MMX500G ECO SOLDER RMA02 M705 0 5MMX500G 工具設定なし RJNo is not available パーソナルコンピュータ PERSONAL COMPUTER 工具設定なし RJNo is not available オシロスコープ OSCILLOSCOP OS 30MF ドライサフＯＳ３０ＭＦ DRY SERF OS 30MF OIL BARRIER I 40 ＡＦレンズ用グリスＩ４０ GREASE FOR AF LENS EDB0011 ネシロック赤 1401C SCREW LOCK 1401C 工具設定なし RJNo is not available アロンアルファ QUICK DRY GLUE 汎用品 C 8008B セメダイン黒 CEMEDAIN 8008 BLACK G92KA フロイルＧ９２ＫＡ FLO...

Page 65: ... from both sides of PCB Don t remove the connector Cut the PCB at the dotted line Solder the cords at 4 pattern places on the PCB as shown in the left It is necessary to make a self made tool by using the RP main PCB of AF S 24 85 3 5 4 5G The self made tool will be used for INSPECTION AND ADJUSTMENT FOR THE WAVEFORM OUTPUT FROM MR ENCODER The making procedure is shown below Make a self made tool ...

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