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Nikon JAA79551 Repair Manual

Af-s vr zoom nikkor ed 70-300 / f4.5-5.6g
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AF-S VR ZOOM NIKKOR ED
70-300 / f4.5-5.6G
JAA79551
Printed in Japan October 2006
(MADE IN THAILAND)
REPAIR MANUAL
JAA79551-R.3690.A
作成承認印
Copyrigh ｃ 2006 by Nikon Corporation.
All Rights Reserved.
無断転載を禁ず !!
INC
配布許可印
サービス
計画課
Ｍ

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Summary of Contents for Nikon JAA79551

  • Page 1 JAA79551-R.3690.A 作成承認印 配布許可印 サービス 計画課 Ｍ AF-S VR ZOOM NIKKOR ED 70-300 / f4.5-5.6G JAA79551 (MADE IN THAILAND) REPAIR MANUAL Copyrigh ｃ 2006 by Nikon Corporation. All Rights Reserved. 無断転載を禁ず !! Printed in Japan October 2006...

  • Page 2: Specifications

    JAA79551-R.3690.A Specifications Type of lens: G-type AF-S Zoom-Nikkor lens with built-in CPU and Nikon bayonet mount Focal length: 70mm–300mm Maximum aperture: f/4.5–5.6 Lens construction: 17 elements in 12 groups (2 ED lens elements) Picture angle: 34°20’-8°10’ [22°50’-5°20’ with Nikon digital cameras (Nikon DX format);...
  • Page 3 JAA79551-R.3690.A ※ Before Disassembly / Reassembly / Adjustment Whenever the 2nd lens-group unit of this lens is removed, replace it with the new 2nd lens-G holding tube of RP. After reassembly, the optical lens-alignment work becomes necessary. At service facilities where such work cannot be carried out, do NOT remove the 2nd lens-group unit.
  • Page 4 JAA79551-R.3690.A 1. Disassembly Rear cover ring Rear cover ring #92×3 G1 unit G1 unit - Ｄ ・AF-S VR 70-300/4.5-5.6G -...
  • Page 5 JAA79551-R.3690.A Zoom rubber Zoom rubber G2-G3 unit, 2nd lens-group unit ① Remove the hole cover sheet. Hole cover sheet Caution: When the hole cover sheet is removed, be careful NOT to damage the lens. ② Set the focus ring to "∞", and the zoom ring to TELE "300", then insert the two infinity pins ( ★ J11339) to the two holes.
  • Page 6 JAA79551-R.3690.A ③ Insert the two pin-parts of G2-G3 unit assembling tool ( ★ J11337) into the two holes of G2-G3 unit. Then rotate and remove G2-G3 unit. ④ Remove the tool pins that were set in ② . ⑤ Remove the washer (#62 : selected from A ～ H).
  • Page 7 JAA79551-R.3690.A Zoom coupling lever ① Peel off the two cover sheets (#126). ② Take out four screws (#125), and remove the two zoom coupling levers (#65). Zoom cover ring #125×2 #125×2 #126 #126 - Ｄ 5・AF-S VR 70-300/4.5-5.6G -...
  • Page 8 JAA79551-R.3690.A Zoom ring, Zoom cover ring ① Rotate the zoom ring until its "300"-mark is positioned approx. 1-cm away from the zoom index. Then remove the zoom ring from the lens body. Lens body Zoom ring ② Peel off the three pieces of the fixing tape (#111).
  • Page 9 JAA79551-R.3690.A Contacts unit ・ Take out two screws (#90), and remove the contact unit. Contacts unit Slack of Change-SW unit ・ Take out the screw (#103) of the change-SW unit, and leave the unit slightly slackened. Change-SW unit #103 - Ｄ 7・AF-S VR 70-300/4.5-5.6G -...
  • Page 10 JAA79551-R.3690.A Bayonet mount ① Take out the three screws (#93) and one screw (#93), and remove the bayonet mount. ② Remove the washer (#83 : selected from A -I). #92×3 Bayonet mount #97×2 #83:A ～ I - Ｄ ・AF-S VR 70-300/4.5-5.6G -...
  • Page 11 JAA79551-R.3690.A Mount fixed-tube ① Pass the change-SW unit through the hole of the mount fixed-tube, and remove it from the lens body. Caution: Do not lift up the mount fixed-tube strongly. Otherwise, change-SW FPC will be cut off. Hole of mount fixed-tube...
  • Page 12 JAA79551-R.3690.A Main base plate unit ① Remove each FPC from each connector of the main base plate unit. SWM FPC VCM relay-FPC Remove SWM-FPC from the rear fixed-tube. GMR FPC Distance-FPC PSD relay-FPC Zoom FPC Gyro-FPC Caution: Removing the contacts unit is NOT Contacts unit necessary except replacing it.
  • Page 13 JAA79551-R.3690.A Change-SW unit ・ Disconnect the FPC of the change-SW unit from the connector of the main base plate unit. Main base plate unit Change-SW unit Rear fixed-tube ・ Take out two screws (#106) and the screw (#116). Then remove the rear fixed-tube from the front fixed-tube.
  • Page 14 JAA79551-R.3690.A Gyro-FPC ・ Remove the gyro-FPC from the rear fixed-tube. Rear fixed-tube Gyro-FPC VCM relay-FPC, PSD relay-FPC ① Remove the FPCs from each connector. VCM relay-FPC PSD relay-FPC - Ｄ ・AF-S VR 70-300/4.5-5.6G -...
  • Page 15 JAA79551-R.3690.A ② Take out four screws (#136). Then remove each FPC from the front fixed-tube. Front fixed-tube VCM relay-FPC #136×2 Front fixed-tube PSD relay-FPC #136×2 ③ Hold the VCM relay-FPC and PSD relay-FPC with tweezers. Then slide and remove them from the FPC-fixing plate.
  • Page 16 JAA79551-R.3690.A Focus ring unit ① Rotate the focus ring unit and align "∞" with the index. ② Remove the focus ring unit from the Focus ring unit lens body. Lens body Index SWM unit ① Take out three screws (#121), and remove the SWM unit from the front fixed tube.
  • Page 17 JAA79551-R.3690.A ② Remove the two pieces of the protection tape (TA-0012× 2), and peel off the focus index sticker from the SWM unit. SWM unit TA-0012 TA-0012 Focus index sticker ③ Take out four screws (#140), and remove the zoom ring unit from the SWM.
  • Page 18 JAA79551-R.3690.A ④ Remove the FPC of GMR unit from #501. #501 GMR unit ⑤ Take out the screw (#543), and remove the MR retaining springs (#533 and #536). #533 #536 #543 ⑥ Take out two screws (#541), and remove the GMR unit and [#534].
  • Page 19 JAA79551-R.3690.A ⑦ Take out three screws (#544), and remove [#537] from the SWM. ⑧ Remove the MR ring unit from the SWM. Be careful NOT to touch the MR tape directly by hand. MR tape #544×3 MR ring unit #537 1st lens-group tube ①...
  • Page 20 JAA79551-R.3690.A ② Take out three screws (#121), and remove the 1st lens-G tube. #121×3 1st lens-group tube #145:A×2 :A×2 A×2 Caution: The two washers (#145A) are attached at the positions of the picture. ・ Remove the three nuts (#74), three rollers (#76 : selected from A to D), and three rollers (#75 : selected from A to D) from the cam groove of the front fixed tube.
  • Page 21 JAA79551-R.3690.A Front fixed tube ① Take out six screws (#77), and remove six rollers (#78 : selected from A to G) and six rollers (#79 : selected from A to G) from the cam groove of the front fixed tube.
  • Page 22 JAA79551-R.3690.A 3rd lens-group holding tube unit ・ Lift the rotary tube slightly up in the direction of the "A" arrow, and remove the 3rd lens-G holding tube unit and 2nd lens-G holding tube. 3rd lens-G holding tube unit Caution :...
  • Page 23 JAA79551-R.3690.A Focus tube unit ① Take out three screws (#71). Then, remove three rollers (#81 : selected from E to I) and three rollers (#80: selected from E to F) from the screw holes of the rotary tube. Caution: Remove the screw (#71), while holding the focus tube unit.
  • Page 24 JAA79551-R.3690.A Zoom brush ・ Take out the screw (#105), and remove the zoom encoder brush (#104) from the cam ring. Cam ring #105 #104 Zoom control lever ・ Take out two screws (#125), and remove the zoom control lever (#64) from the cam ring.
  • Page 25 JAA79551-R.3690.A Cam ring ① Remove the cam ring from the front fixed tube. ② Peel off the zoom FPC (#1006) from the front fixed tube. Cam ring Front fixed-tube Caution: In case a proper combination between the cam ring and front fixed tube is not made, optical #1006 performance may be less.
  • Page 26 JAA79551-R.3690.A ・ Remove [#144] from the 3rd lens-G holding tube unit. #144 3rd lens-G holding tube unit ・Peel off [#134] from the 3rd lens-G unit. #134 3rd lens-G unit - Ｄ 4・AF-S VR 70-300/4.5-5.6G -...
  • Page 27 JAA79551-R.3690.A Caution 1: 3rd lens-group unit, Aperture blade unit The 3rd lens-G unit is optically aligned by using ① Remove the spring (#38) from the spring hook. a special equipment. Therefore, in case a further disassembly is necessary, replace with the 3rd ②...

  • Page 28: Assembly / Adjustment

    JAA79551-R.3690.A Assembly / Adjustment 3rd lens-group unit, Aperture blade unit Aperture-blade base cover Aperture blade unit×9 Cutout Blade actuating plate Protrusion ・ Fit the protrusion of the aperture-blade base cover in the cutout of the blade actuating plate. Blade actuating plate...
  • Page 29 JAA79551-R.3690.A ・Attach [#134] on the 3rd lens-G unit. ([#134] has the adhesive double-coated tape attached.) #134 3rd lens-G unit #134 ・ Attach [#144] on the 3rd lens-G holding tube unit. When attaching [#144], give the same 　 � � [#144] has the adhesive double-coated tape attached.) roundness as the outer circumpherence of the 3rd lens-G holding tube unit.
  • Page 30 JAA79551-R.3690.A Zoom FPC ・Fold back the zoom FPC (#1006), and attach it on the front fixed-tube (#56). 　[Zoom FPC (#1006) has the adhesive double-coated tape attached.] Folding position zoom FPC #1006 Grease: GN-20S Apply to the overall sliding surface Grease:GN-20S Apply to the 6 straight grooves.
  • Page 31 JAA79551-R.3690.A Cam ring ① Fit the protrusion of the front fixed-tube into the cutout of the cam ring, then mount the cam ring on the front fixed-tube. (Fig.1) ② Rotate the cam ring in the direction of the arrow shown in "Fig.2", and align the cutout of the cam ring with that of the front fixed-tube.
  • Page 32 JAA79551-R.3690.A Zoom brush ① Attach the zoom encoder brush (#104) temporarily with the screw (#105). ② In the direction of the arrow "A", rotate the cam ring all the way to WIDE-end. ③ Loosen the screw (#105), and adjust the brush position so that the points of the brush are placed as shown in "Fig.
  • Page 33 JAA79551-R.3690.A Focus tube unit ① Rotate the lead groove ring and/or the focus tube unit until the screw holes of the focus tube unit can be seen through the cam grooves of the lead groove ring. ② Assemble the rotary tube into the lead groove ring.
  • Page 34 JAA79551-R.3690.A Light-shielding sheet ・Attach the light-shielding sheets (#141 and #142) on the lead groove ring. 　 � � [#141] and [#142] have the adhesive double-coated tape attached.） Lead groove ring #141 #142 3rd lens-group holding tube unit ① Mount the rotary tube on the lens stand ( ★ J11338) [With the rotary tube being mounted, this lens stand is used until the assembly of the front fixed-tube (i.e.
  • Page 35 JAA79551-R.3690.A Mounting of Front fixed tube ① Mount the front fixed-tube on the lead groove tube by aligning their cutouts. (Fig.1) ② Rotate the 3rd lens-G holding tube unit in the direction of the arrow shown in "Fig.2", and align the cutout with the connector. (Fig.2)
  • Page 36 JAA79551-R.3690.A ④ Put the roller (#75: A ～ D) and the roller (#76: A ～ D) at three places through the cam groove of the front fixed-tube, then fix these with the nut (#74) at three places. ⑤ Remove the body from the lens stand ( J11338).
  • Page 37 JAA79551-R.3690.A ② Align the nut (#74) with the screw hole of the 1st lens-G tube at three places, then tighten the screw (#73) at each place. Screw hole for the nut (#74) #73×3 1st lens-G tube Adhesive: Lock end Ｂ...
  • Page 38 JAA79551-R.3690.A ③ Fix the GMR unit and [#534] with two attaching screws (#541). Magnetic tape GMR unit #534 #541×2 ④ Fix the MR-holddown spring (#533) and [#536] with the screw (#543). #533 #536 #543 ⑤ Attach the FPC of the GMR unit on [#501] with the adhesive double-coated tape (which is already adhered inside [#501]).
  • Page 39 JAA79551-R.3690.A Inspection and adjustment of output waveform of MR encoder ● When the MR head is disassembled and replaced, be sure to make an adjustment. 1. Device: 　　・Single-output rated voltage power-supply　　1 unit: 5V 100mA 　　・ Oscilloscope　　　1 unit 　　・ Self-made tool 1 unit　　...
  • Page 40 JAA79551-R.3690.A ● Oscilloscope setting 　V/Div (ch1) : 50 mV 　V/Div (ch2) : 50 mV : AC 　Coupling : 2 m Sec 　Time/Div 　Trigger Mode : NORMAL 　Trigger Coupling : AC Amplitude Standard: Amplitude of all pulses/wave- forms is 80mV or more.
  • Page 41 JAA79551-R.3690.A 　＜ Ref. ＞ 　● As shown in Fig. 1, if the amplitude of only either C�1 or C�2 is small, one of the 2 screws (#541) may be loosened, so check for it. If this is not the case, the MR head may malfunction, so replace the GMR unit and make a readjustment.
  • Page 42 JAA79551-R.3690.A Zoom ring unit ① Mount the zoom ring unit on the SWM, and fix with the #140×4 four screws (#140). (For this mounting, refer to the positional relationship between "Index" and "MR head" in "Fig. 1".) Caution: Whenever the zoom ring unit is mounted, do NOT touch the MR head.
  • Page 43 JAA79551-R.3690.A Focus ring unit ・ Mount the focus ring unit on the SWM unit, by aligning the three protrusions of the focus ring unit with the three grooves of the SWM unit. Grease: OS-30MF Apply to the overall surface of the flock tape.
  • Page 44 JAA79551-R.3690.A VCM relay-FPC, PSD relay-FPC ① Make a mountain fold along each "A"-part line of the VCM relay-FPC and PSD relay-FPC. Then hold the FPC with tweezers, and assemble them by sliding the FPC from the side into the FPC-fixing plate.
  • Page 45 JAA79551-R.3690.A ③ Connect the VCM relay-FPC to the connector. VCM relay-FPC ④ Connect the PSD relay-FPC to the connector. PSD relay-FPC Gyro-FPC ・Attach the gyro-FPC to the rear fixed tube, by lining up the center positions of the cutout (A part) and the gyro-FPC as below.
  • Page 46 JAA79551-R.3690.A Rear fixed-tube ・Mount the rear fixed tube on the front fixed tube, by conforming to the shape of the front fixed tube. Then tighten the one screw (#116) and two screws (#106). #106×2 Adhesive: Lock end Ｂ #116 Adhesive: Caution: Lock end Ｂ...
  • Page 47 JAA79551-R.3690.A Main base plate unit ① Mount the main base plate unit on the rear fixed tube, and fix them with the spring washer (#138) and the screw (#139). #139 Adhesive: Screw lock #138 Main base plate unit Rear fixed-tube ②...
  • Page 48 JAA79551-R.3690.A Mount fixed-tube ① Attach the focusing-index window and the name plate on the mount fixed tube. �Focusing-index window and the name plate have the adhesive double-coated tape attached.) Mount fixed-tube Focusing-index window Name plate ② Pass the change-SW unit of the lens body through the hole of the mount fixed tube, and assemble them.
  • Page 49 JAA79551-R.3690.A Bayonet mount ① Put the washer (#83: selected from A to I) by aligning the holes. ② Mount the bayonet mount and fix it with the three screws (#92) and one screw (#93). #92×3 Bayonet mount Grease: I-40 #97×2 #83A ～...
  • Page 50 JAA79551-R.3690.A Change-SW unit ・ Fix the change-SW unit with the screw (#103). Change-SW unit #103 Temporary attachment of Contacts unit ・ Fix the contacts unit with two screws (#90). Contacts unit - Ａ 3・AF-S VR 70-300/4.5-5.6G -...
  • Page 51 JAA79551-R.3690.A Zoom ring, Zoom cover ring ① Mount the zoom ring on the zoom cover ring, by aligning the cutout of the zoom ring with the projected part of the zoom cover ring. Zoom ring Projected part Cutout Zoom cover ring ②...
  • Page 52 JAA79551-R.3690.A ③ Align the position of "300"-mark approx. 1-cm away to the right from the zoom index. Then assemble the zoom ring into the lens body, and rotate in the direction of the arrow A. Lens body Grease: GP-1RS Apply to the overall groove of the zoom ring unit.
  • Page 53 JAA79551-R.3690.A 2nd lens-group unit #133 ① Fix the 2nd lens-group unit with three screws (#110). ② Attach the cover sheet (#133). #110×3 Adhesive: Screw lock 2nd lens-G unit G2-G3 unit ① Set the focus ring to "∞", and the zoom to TELE-end "300". Then insert the two infinity pins ( ★ J11339) in the two holes as shown in "Fig.1".
  • Page 54 JAA79551-R.3690.A ② Put the washer (#62: selected from A to �). Then fit the two pin parts of the G2-G3 assembling tool ( ★ J11337) into the two holes of the G2-G3 unit, and assemble them into the body. ③ Remove the two pins ( ★ J11339) that were inserted in ① .
  • Page 55 JAA79551-R.3690.A G1 unit Caution: Attach the sheet (#82) after completing the FFD adjustment. G1 unit - Ａ ・AF-S VR 70-300/4.5-5.6G -...
  • Page 56 JAA79551-R.3690.A 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.

  • Page 57: System Configuration

    JAA79551-R.3690.A 【System configuration】 ★：New tool Power supply (6V) （＋） （－） Oscilloscope When the RS232C terminal of the personal computer AF-I communication box is a 9-pin type, connect it by using the 25-pin/9-pin (J15306-1) conversion connector. RJ does not supply this connector.

  • Page 58: How To Adjust

    JAA79551-R.3690.A Adjustment of MR duty ●In case of replacing the main PCB, SWM unit and MR encoder unit, be sure to make adjustments. ●In case of replacing the main PCB, be sure to perform [3.Reading and rewiting of EEPROM DATA.] then [3.Writing the Fixed DATA.] 　How to adjust...
  • Page 59 JAA79551-R.3690.A 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".
  • Page 60 JAA79551-R.3690.A Inspection of Lens operations Check the lens operations by using a personal computer after assembling. ○ Check by personal computer 　● Check by the following considerations: 　　1. MR encoder operations 　　・Drive the scanning of lens and check the total number of pulses.
  • Page 61 JAA79551-R.3690.A ●AF-S VR70-300 inspection program 　(1) Menu screen ・Menu items 　The items 1 and 2 are used for adjustments. 　The item 3 is used for reading and writing EEPROM DATA. "Store & Restore the EEPROM DATA" on sub-menu 5 is for backing up all the data on EEPROM value in the lens, and for writing the backuped files into the lens.
  • Page 62 JAA79551-R.3690.A 　(2) Inspection of MR encoder operations ・ Make this inspection on both focal length 70mm (W) and 300mm (T). Select the focal length to be inspected. Caution：If the MF ring is rotated while the lens scanning is driven, the pulse shows an abnormal value.
  • Page 63 JAA79551-R.3690.A 　Total number of pulses when inspected must be within standard. 　 　 < Standard > Total pulses　：　 ：　 　 6801 ± 204 PULSE(S) - A36 ･ AF-S VR 70-300/4.5-5.6G -...
  • Page 64 JAA79551-R.3690.A 　(3) Inspection of lens-servo stop accuracy � Make this inspection on both focal length 70mm (W) and 300mm (T). � If the lens stops while inspecting the lens-servo stop accuracy, input a figure in "Delay time" of the below "Fig.3", from "0" to "1000" for the delay time (msec: millisecond) which prevents stopping the lens.
  • Page 65 JAA79551-R.3690.A � � � � 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. During the lens driving, the above screen is displayed.
  • Page 66 JAA79551-R.3690.A 　(4) Inspection of lens-servo time Make this inspection on both focal length 70mm (W) and 300mm (T). 　　 Select the servo driving amount respectively. Each lens-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.
  • Page 67 JAA79551-R.3690.A �5�� Inspection of switches and lens conditions 　�5�� � � � 　　� Signals of the distance encoder (The value changes by turning the MF ring with M or M/A of the lens driving mode selector.) 　　� Position of the zoom encoder 　　　...
  • Page 68 JAA79551-R.3690.A Necessary adjustment when replacing parts Adjustment for MR duty Inspection & adjustment Adjustments Aberration compensation (Necessary to write fixed for MR encoder operations; data writing adjustment value when the main PCB is lens-servo stop accuracy; VR adjustment Parts to be (including aberration replaced.);...
  • Page 69 JAA79551-R.3690.A VR ADJUSTMENT 　When performing the VR adjustment, please refer to the [Instruction Manual] attached to the VR lens adjustment equipment (J15380). WARNING This equipment uses the laser beam. ● Do not look into the laser beam directory. Preparation for the VR adjustment 　①...
  • Page 70 JAA79551-R.3690.A 　Procedure to mount the lens １．Attach the lens to the equipment and move the lens retainer stand in the direction of the arrow. Lens retainer stand ２．Move the lens retainer stand to the position shown in Figure below and fix it by tightening the clamp.
  • Page 71 JAA79551-R.3690.A 　④ Turn on the VR lens adjustment equipment (J15380) and run the adjustment software. 　⑤ Move the cursor to [AF-S VR 70-300/4.5-5.6G] in the Lens Selection window and click it. ※ If the below mesage appears, set the zoom ring again by referring to the pre-page [Procedure to mount the lens] 　and click the [OK] button.
  • Page 72 JAA79551-R.3690.A VIBRATION REDUCTION MODE SW INSPECTION 　① Move the cursor to a box in front of the [VR Switch Inspection] and click to mark the check marking. 　② Move the cursor to the Execute button and click it. 　③ VR Mode Switch Inspection window is shown.
  • Page 73 JAA79551-R.3690.A 　④ The position of VR mode switch is indicated. By turning the VR mode switch, the current position is shown in the real time. VR mode switch 　⑤ When finishing the VR mode switch, move the cursor to the [Exit] button and click it to evacuate from the inspection window.
  • Page 74 JAA79551-R.3690.A VR LENS POSITION ADJUSTMENT 　① Move the cursor to a box in front of the [VR Lens Position Adjustment] and click it to mark the check marking. 　② Move the cursor to the Execute button and click it. ③ The message like a picture on the left is shown.
  • Page 75 JAA79551-R.3690.A 　・Gamma and Shift Adjustment (Controlled automatically) 　　Adjust the inclination and control center position on the basis of the position sensor output in the VR unit. 　　In-between times, the message to confirm the lens position of angle (0 or 90degrees) appears.
  • Page 76 JAA79551-R.3690.A VR GYRO ADJUSTMENT 　① Move the cursor to a box in front of [VR Gyro Adjustment] and click it to mark the check marking. 　② Move the cursor to the Execute button and click it. ③ The message like a picture on the left is shown.
  • Page 77 JAA79551-R.3690.A 「VIBRATION」switch 「SERVO」switch ⑤ Press the SERVO [ON] button and the VIBRATION [START] button of the VR lensadjustment equipment (J15380). 　⑥ With the equipment starts to vibrate, measure the length of the vibration width a of the laser beam. α...
  • Page 78 JAA79551-R.3690.A ・Angle Difference Adjustment If there is angle difference, the laser beam source becomes be whether if it rotates round even performing the Gyro Gain Adjustment. If it is possible to confirm the angle difference, adjust it by the buttons for the angle difference adjustment.
  • Page 79 JAA79551-R.3690.A 　 《Reference》 　・The laser spot beam is irradiated about 18mm in diameter at 5 m ahead. 　① To adjust the vibration width at the center of the 5 ｍｍ 　laser spot beam, measure the whole vibration width first. 　② Subtract the radius of the laser spot (oblique lined part) from the top and bottom of the measured 　　vibration width.
  • Page 80 JAA79551-R.3690.A ・ Press "STOP" button of VIBRATION switch of the VR adjustment equipment to stop vibrations. ・ Rotate the lens through 90° in the direction indicated by the arrow, then press “START” button of VIBRATION switch to start vibrations. ・ At the 90° position, adjust the angle misalignment and make gyro-gain adjustment.
  • Page 81 JAA79551-R.3690.A STANDARD TO JUDGE THE VR PERFORMANCE 　Please refer to the following chart before performing the VR adjustment for the product of which VR is defective 　with the equipment. Check １ Mount the lens to the usable body ・Set the VR mode to「ON」...
  • Page 82 JAA79551-R.3690.A Check ２ Mount the lens on the equipment (J15380) ・How much does the vibration width reduce against those Check the vibration width of when the VR mode is OFF and ON at the VR Gyro of laser Adjustment. What is the reduction rate...
  • Page 83 JAA79551-R.3690.A Removal of Contact unit contact unit ・Take out two screws (#90), and remove the contact unit. Adjustment (Division) of Focus movement (T, W) 1. Align （∞)-mark of the focus ring with the index. 2. Fix the aperture lever so that the aperture becomes full.
  • Page 84 JAA79551-R.3690.A Position adjustment of Aperture lever ・Mount the tool (��8004-�), and check ��8004-�), and check and check the aperture diameter. Standard: Full aperture J1�00�-1 ・In case the result is out of standard, loosen the two adjustable screws (#97 ×2) of the aperture lever and make an adjustment by moving #23.
  • Page 85 JAA79551-R.3690.A Lens Alignment Caution: This adjustment is required when the 2nd lens group is removed. ・ Chart shooting equipment for 2nd lens-group alignment Slide rail for Lens alignment equipment The chart is embeddied in cardboards. - Ａ 58 ･ AF-S VR 70-300/4.5-5.6G -...
  • Page 86 JAA79551-R.3690.A ・ Procedure for alignment (2nd lens group) ① Prepare a camera (D100). Set the shutter speed to "M1/60", the aperture to full and the focus mode to "S". Set the VR ON/OFF switch to OFF. On the shooting menu, set "Image Quality" mode to "RAW", "WB" to "Preset" and "ISO" to "200".
  • Page 87 JAA79551-R.3690.A ⑤ Fit the lens to be examined in the camera. Set the zoom to MIDDLE (200 mm). ⑥ Looking through the viewfinder, focus manually and adjust the height and tilt to make the chart fill the entire finder field frame.
  • Page 88 JAA79551-R.3690.A 1st quadrant 2nd quadrant Image 2 Image 1 3rd quadrant 4th quadrant �　 　 Check the point images at 30 cm-position. If the shape of the point images is largely blurry (as if flowed) 　�　 as shown in "Image 1", make a coarse adjustment based on the following: 1) If the rubber ring is attached to the zoom ring, remove the rubber ring.
  • Page 89 JAA79551-R.3690.A 　⑮ If the point images become like "Image 2" in the procedure of � , set the focus mode of the camera (D100) to "M". 　⑯ Slide the tripod to the front by 30±0.1 cm. 　⑰ Click the "measurement" button of the adjustment software.
  • Page 90 JAA79551-R.3690.A When the shutter of the camera is released, slide the tripod to the back by 10 ± 0.1 cm and make a 　⑱ remeasurement. Again, slide the tripod to the back by 10 ± 0.1 cm and make a remeasurement.
  • Page 91 JAA79551-R.3690.A 　⑳ After the seven measurements, point the cursor to the confirmation screen of the software. Click it three times, and if "Information display" shows "END", the lens optical alignment is completed. If "Information display" shows "Need Adjustment.", rotate the adjusting screw by approx 45°-turn increments, based on "Reference"...
  • Page 92 JAA79551-R.3690.A Reference: After the seven measurements, find the point of the longest arrow which is situated at the most right side of the confirmation screen. Then, by referring to the below "Adjustment location", specify the adjustment location(s) and rotate each adjusting screw clockwise.
  • Page 93 JAA79551-R.3690.A How to create Setting board of "Lens alignment chart" and "Viewer" 1. Summary 1-1: In order to get necessary data for lens alignment, this board is created to use for setting a special chart and light viewers (for chart illumination), while taking pictures of the special chart with a digital camera.
  • Page 94 JAA79551-R.3690.A （Fig. 1- Prepare two package cardboard boxes, （Fig. 2 - Regarding the 1st flattened cardboard box, cut out and flatten them as below.） the <154 x 245 mm-sized> shape at 5 locations.） （Fig. 3-　Package cardboard boxes） （Fig. 4-　Regarding the 2nd flattened cardboard box, cut Put the 2nd flattened cardboard box and the1st out in the same way as Fig.2.
  • Page 95 JAA79551-R.3690.A Rear cover ring Rear cover ring #92×3 �oo�� r���er �oo�� r���er �oo�� r���er - Ａ 68・AF-S VR 70-300/4.5-5.6G -...

  • Page 96: Personal Computer

    JAA79551-R.3690.A Aberration compensation data writing adjustment ・ This adjustment uses the software which calculates the aberration compensation data according to the feature of lens aberration and writes in EEPROM of the lens, in order to improve the accuracy of autofocus.
  • Page 97 JAA79551-R.3690.A （ Target chart ） （ Resolution chart ） - Ａ 70・AF-S VR 70-300/4.5-5.6G -...
  • Page 98 JAA79551-R.3690.A (3) Writing aberration compensation data ① Prepare a camera (D100). Set the "Exposure mode" to "A", the aperture to full and "Focus mode" to "S". On the shooting menu, set the "Image quality mode" to "FINE", "Image size" to"L", "WB" to "Preset", and , "WB"...
  • Page 99 JAA79551-R.3690.A 　⑥ Confirm that "AF-S VR 70-300/4.5-5.6G" is selected on "Lens select" screen. Click "OK". 　⑦ Click the "Defocus rectify..." button . - Ａ 72・AF-S VR 70-300/4.5-5.6G -...
  • Page 100 JAA79551-R.3690.A 　⑧ Click the "JPEG Shot" button. ⑨ The shutter is released after the AF operation. The shot image is automatically displayed on the PC screen. The shutter is released after the AF operation. The shot image is automatically displayed on the PC screen.
  • Page 101 JAA79551-R.3690.A ⑪ Set the focal length of the lens to 70 mm, and the distance between the test chart and camera (CCD face) to 2 m 80 �2 cm� �2 cm� 2 cm� △（Revision） Caution:Confirm that the aperture is full open.
  • Page 102 JAA79551-R.3690.A 　⑮ The reconfirmation screen is displayed. Click "OK". 　⑯ An hourglass is displayed on the screen, and writing starts. The below screen is displayed after a few seconds. Turn camera OFF and turn it ON again. Click "OK", and the adjustment software restarts.
  • Page 103 JAA79551-R.3690.A 実体配線図 WIRING Contact FPC Gyro FPC unit Zoom encoder Y axis VCM X axis VCM Absolute focal GMR magnetic tape distance encoder VR-drive-FPC FPC with GMR sensor Rotation detector for Manual focus ring Main unit CN side Unit PCB...
  • Page 104 JAA79551-R.3690.A 外観図 Sketch drawings - F1 ・AF-S VR 70-300/4.5-5.6G -...
  • Page 105 JAA79551-R.3690.A 組立図 Structure of the Lens - F ・AF-S VR 70-300/4.5-5.6G -...
  • Page 106 JAA79551-R.3690.A - F3 ・AF-S VR 70-300/4.5-5.6G -...
  • Page 107 JAA79551-R.3690.A - F4 ・AF-S VR 70-300/4.5-5.6G -...
  • Page 108 JAA79551-R.3690.A - F5 ・AF-S VR 70-300/4.5-5.6G -...
  • Page 109 JAA79551-R.3690.A - F6 ・AF-S VR 70-300/4.5-5.6G -...
  • Page 110 JAA79551-R.3690.A - F7 ・AF-S VR 70-300/4.5-5.6G -...
  • Page 111 JAA79551-R.3690.A - F ・AF-S VR 70-300/4.5-5.6G -...
  • Page 112 JAA79551-R.3690.A 工具編 TOOLS ★：NEW TOOL RJ 番号 名称 備考 RJ No. NAME OF TOOL OTHERS 縦型焦点面検査器　ＬＴ－５００Ｓ J19002 BACK FOCUS COLLIMATER LT-500S J9001-5N 安定化電源５Ａ DC REGULATED POWER SUPPLY 5A Ｆ用レンズ受け台 J18028 LENS ADAPTER FOR FOCUS TESTER J18406 AF-S VR 70-300 点検・調整ソフト...
  • Page 113 JAA79551-R.3690.A ★：NEW TOOL RJ 番号 名称 備考 RJ No. NAME OF TOOL OTHERS J18407 VR 調整ソフト (AF-S 70-300VR) VR ADJ.FD FOR AF-S 70-300VR ★ J18410 8410 AFS70-300 調芯装置用調整ソフト（ＬＷＭ） ★ ADJ.FD (LWM)FOR 70-300 ALIGNMENT 工具設定なし 鉛フリーはんだコテ RJNo.is not LEAD FREE SOLDERING IRON available 鉛フリー糸はんだ...
  • Page 114 JAA79551-R.3690.A RJ 番号 名称 備考 RJ No. NAME OF TOOL OTHERS GP-1RS FOR AF-S 18-135 グリ－ス　GP-RS GREASE GP-1RS L-241 ロックタイト＃２４１（青） LOCTITE #241 (50ml) OS-30MF ドライサ－フ　ＯＳ－３０ＭＦ DRY SERF OS-30MF(OIL BARRIER) F-890 ﾄﾞﾗｲﾙｰﾌﾞ　F-890 (L) DRILUBE F-890 (1L) GN-20S グリ－ス　GN-20S（SQ 用） GREASE GN-20S (SQ) NKS-211SP 接点潤滑剤...
  • Page 115 JAA79551-R.3690.A Making of Self-made Tool ● To inspect and adjust the output waveform of MR encoder, it is necessary to make a self-made tool by using the main PCB (IS020-426) of of RP. (If there is a defective main PCB after AF-S VR DX 18-200/4.5-5.6G...