Nikon D3100 VBA28001 Repair Manual

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Ｍ

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計画課

REPAIR MANUAL

VBA28001

Printed in Japan March 2010

VBA28001-R.3813.A

User ID:INC

VBA28001-R.3813.A

- D3100 -

Contents

Disassembly.........................................................................................................................D1

Warning........................................................................................................................................................D1

1..External.Appearance..................................................................................................................D2

Rear.cover.unit.............................................................................................................................................D2

Front.cover.unit............................................................................................................................................D6

Discharge.of.main.condenser.......................................................................................................................D7

Top.cover.unit..............................................................................................................................................D8

2..Rear.Cover..................................................................................................................................D9

SD.cover.unit...............................................................................................................................................D9

LCD.monitor.cover....................................................................................................................................D10

Eyepiece.....................................................................................................................................................D10

Retainer.plate.............................................................................................................................................D11

Speaker.......................................................................................................................................................D12

Rear.FPC....................................................................................................................................................D12

LCD.monitor..............................................................................................................................................D13

Rear.button.................................................................................................................................................D13

LV.lever......................................................................................................................................................D14

TFT.sponge................................................................................................................................................D14

SD.access.lamp.window............................................................................................................................D14

3..Top.Cover..................................................................................................................................D15

SB.release.PCB.unit...................................................................................................................................D15

SB.upper.cover...........................................................................................................................................D17

SB.lower.cover.unit...................................................................................................................................D17

AF.assist.lamp.unit....................................................................................................................................D19

Top.cover.FPC.unit....................................................................................................................................D20

Command.dial.unit.....................................................................................................................................D21

Info.&."+.-".aperture.button.......................................................................................................................D21

ON-OFF.dial..............................................................................................................................................D22

Mode.dial.unit............................................................................................................................................D23

Hot.shoe.....................................................................................................................................................D24

Prism.box.unit............................................................................................................................................D25

Screen.........................................................................................................................................................D26

SI.(super.impose).display.plate..................................................................................................................D26

LCD.unit....................................................................................................................................................D27

G7.lens.unit................................................................................................................................................D27

4..Sub-frame.(tentative)...............................................................................................................D29

Main.condenser..........................................................................................................................................D29

IF.holder.....................................................................................................................................................D29

TOGO.PCB.unit.........................................................................................................................................D30

Battery.box.unit.........................................................................................................................................D31

User ID:INC

VBA28001-R.3813.A

- D3100 -

Shield.plate.unit.........................................................................................................................................D35

SZ-DC/DC.PCB.unit.................................................................................................................................D36

Sub-frame...................................................................................................................................................D37

Bottom.plate.unit.......................................................................................................................................D38

5..Front.Body.................................................................................................................................D41

Image.sensor.unit.......................................................................................................................................D41

Shutter.PCB...............................................................................................................................................D42

MG.PCB.unit.............................................................................................................................................D47

SQ.PCB.unit...............................................................................................................................................D48

Bayonet.mount...........................................................................................................................................D49

-min.SW...................................................................................................................................................D51

Lens.contact.unit........................................................................................................................................D51

AF.sensor.unit............................................................................................................................................D53

Lens.release.button.unit.............................................................................................................................D53

Mirror.unit..................................................................................................................................................D54

Assembly..............................................................................................................................A1

1..Front.Body...................................................................................................................................A1

Mirror.unit....................................................................................................................................................A1

Lens.release.button.unit...............................................................................................................................A2

AF.sensor.unit..............................................................................................................................................A2

Lens.contact.unit..........................................................................................................................................A3

F-min.SW.....................................................................................................................................................A5

Bayonet.mount.............................................................................................................................................A5

SQ.PCB.unit.................................................................................................................................................A7

Height.adjustment.of.aperture.lever.............................................................................................................A8

MG.PCB.unit...............................................................................................................................................A8

Shutter.PCB...............................................................................................................................................A10

Adjustment.of.shutter.curtain.speed..........................................................................................................A14

Inspection and adjustment of ange-back (body-back).............................................................................A15

Image.sensor.unit.......................................................................................................................................A16

2..Sub-frame..................................................................................................................................A18

Bottom.plate.unit.......................................................................................................................................A18

Radiating.sheet.for.repair...........................................................................................................................A21

Sub-frame...................................................................................................................................................A22

SZ-DC/DC.PCB.unit.................................................................................................................................A23

Sub-frame.unit...........................................................................................................................................A24

Battery.box.unit.........................................................................................................................................A26

TOGO.PCB.unit.........................................................................................................................................A30

G7.lens.unit................................................................................................................................................A31

LCD.unit....................................................................................................................................................A33

SI.(super.impose).display.plate..................................................................................................................A34

User ID:INC

VBA28001-R.3813.A

- D3100 -

Screen.........................................................................................................................................................A34

Prism.box.unit............................................................................................................................................A35

Angle.adjustment.of.main.mirror.and.sub-mirror......................................................................................A35

Inspection and adjustment of "∞ (innity)" focus....................................................................................A36

IF.holder.....................................................................................................................................................A36

Main.condenser..........................................................................................................................................A37

Inspection.for.AE-CCD.positioning..........................................................................................................A38

3..Top.Cover..................................................................................................................................A40

Hot.shoe.....................................................................................................................................................A40

Mode.dial.unit............................................................................................................................................A40

ON-OFF.dial..............................................................................................................................................A42

Info.&."

+ -

"..aperture.button.....................................................................................................................A42

Command.dial.unit.....................................................................................................................................A43

Top.cover.FPC.unit....................................................................................................................................A44

AF.assist.lamp.unit....................................................................................................................................A45

SB.lower.cover.unit...................................................................................................................................A45

SB.upper.cover...........................................................................................................................................A47

SB.release.PCB.unit...................................................................................................................................A48

4..Rear.Cover................................................................................................................................A51

SD.access.lamp.window............................................................................................................................A51

TFT.sponge................................................................................................................................................A51

LV.lever......................................................................................................................................................A51

Rear.button.................................................................................................................................................A52

LCD.monitor..............................................................................................................................................A52

Rear.FPC....................................................................................................................................................A53

Speaker.......................................................................................................................................................A53

Eyepiece.....................................................................................................................................................A55

LCD.monitor.cover....................................................................................................................................A55

SD.cover....................................................................................................................................................A56

5..External.Appearance................................................................................................................A57

Top.cover.unit............................................................................................................................................A57

Adjustment.of.camera.body.(except.imaging)...........................................................................................A59

Firmware.update........................................................................................................................................A61

How.to.connect.camera.and.PC.................................................................................................................A61

How.to.install.inspection.and.adjustment.software.for.camera.body.(except.imaging)............................A61

Inspection.and.adjustment.for.AE.accuracy...............................................................................................A61

Inspection.and.adjustment.for.AF.accuracy...............................................................................................A62

Conrmation of data..................................................................................................................................A63

Switch.information.monitor.......................................................................................................................A63

Inspection.of.sequence.operation...............................................................................................................A63

Inspection.of.sequence.error......................................................................................................................A63

User ID:INC

VBA28001-R.3813.A

- D3100 -

CPU.version,.number.of.release.times.......................................................................................................A63

Inspection.of.LCD.light-up........................................................................................................................A63

Reset.of.compensated.AF.defocus.amount................................................................................................A63

Rewriting.of.offset.value.of.AF.adj..lens...................................................................................................A63

Front.cover.unit..........................................................................................................................................A65

Rear.cover.unit...........................................................................................................................................A67

Measurement.of.consumption.current.value..............................................................................................A71

Operation.check.of.image.sensor.cleaning................................................................................................A72

Image.adjustment.1....................................................................................................................................A74

Image.adjustment.2....................................................................................................................................A74

Image.adjustment.3....................................................................................................................................A75

Image.adjustment.4....................................................................................................................................A75

Image.adjustment.5....................................................................................................................................A75

Image.adjustment.6....................................................................................................................................A76

Image.adjustment.7....................................................................................................................................A76

Obtaining.of.reference.value......................................................................................................................A77

Factory.default.setting................................................................................................................................A77

Conrmation of data..................................................................................................................................A77

Version.no../Serial.no.................................................................................................................................A77

Wiring..................................................................................................................................E1

Mounting.Drawing.............................................................................................................E2

FUSE.arrangement.............................................................................................................E3

Inspection.standards..........................................................................................................R1

Tool.list.................................................................................................................................T1

Screw.sheet..........................................................................................................................S1

User ID:INC

Disassembly

Warning

Points.to.notice.for.Lead-free.solder.products

Lead-free.solder.is.used.for.this.product. For.soldering.work,.the.special.solder.and.soldering.iron.are.required. Do.not.mix.the.lead-free.solder.with.the.conventional.solder. Use.the.special.soldering.iron.respectively.for.lead-free.solder.and.lead.solder..They.cannot. be.used.in.common.

•

There are high voltage parts inside. Be careful of this electric shock, when you remove the cover.

You must discharge the main condenser according to the instruction of this repair manual after you remove the cover.

WARNING!

Caution:.

①

..In.disassembly/(re)assembly,.be.sure.to.use.conductive.mat.(J5033).and.wrist.strap.(J5033-5).in.

order.to.protect.electric.parts.from.static.electricity.

②

.Before.disassembling,.be.sure.to.remove.batteries.or.AC.power.cord.

③

..In.disassembling,.be.sure.to.memorize.the.processing.state.of.wires.and.FPCs,.screws.to.be.

xed and their types, etc.

④

The low-pass lter of the image CCD PCB is easily damaged. Handle it very carefully..

ref...In.this.manual,.the.application.of.grease.and.adhesive.is.indicated.by.coloring.

CFD-409Z

EDB0011

(grease:.yellow/adhesive:.red).or.J-number..

Note:.

①

.The.prism.box.unit.can.be.disassembled.until.the.stage.shown.from.page.D26.to.D28....

(ref..parts.list)

②

.What.are.used.in.this.manual.may.differ.from.the.actual.products.in.forms,.etc.

VBA28001-R.3813.A

- D1 ・ D3100 -

User ID:INC

VBA28001-R.3813.A

- D2 ・ D3100 -

#B151

#72

#71

Remove.the.power.connector.cover.(#72). Remove.the.IF.cover.(#71).

•

1..External.Appearance

Rear.cover.unit

Incline.the.battery.cover.unit.(#B151).at.an.approx..35°.as.below,.and.remove.it.•

User ID:INC

VBA28001-R.3813.A

- D3 ・ D3100 -

#267

#614

#623

#634

#631

Remove.the.cover.(#267). Take.out.the.screw.(#614). Take.out.the.two.screws.(#623). Take.out.the.screw.(#634).

•

Take.out.the.two.screws.(#631).•

User ID:INC

VBA28001-R.3813.A

- D4 ・ D3100 -

#623

#640

#661

#B26

#27

Take.out.the.two.screws.(#640). Take.out.the.two.screws.(#623).

•

Take.out.the.screw.(#661). Remove.the.grip.unit.(#B26)...（Do.NOT.reuse.the.grip.unit.that.was.once.removed.

）

Remove.the.grip.cover.(#27).

•

User ID:INC

VBA28001-R.3813.A

- D5 ・ D3100 -

#411

#622

#410

Remove.the.rubber.(#410).and.double-stick.tape.(#411). Take.out.the.screw.(#622).

•

Lift.up.the.rear.cover.unit. Disconnect.the.FPC. Remove.the.rear.cover.unit.

•

User ID:INC

VBA28001-R.3813.A

- D6 ・ D3100 -

#644

#639

#631

#643

#634

#644

Front.cover.unit

Take.out.the.two.screws.(#644).and.one.screw.(#639). Take.out.the.three.screws.(#631). Take.out.the.one.screw.(#643).and.two.screws.(#634).

•

Slacken.the.tripod.base.area,.and.remove.the.front.cover.unit.•

User ID:INC

VBA28001-R.3813.A

- D7 ・ D3100 -

#646

#160

#465

2KΩ/5W

#24

Discharge.of.main.condenser

Take.out.the.two.screws.(#646).from.the.front.cover.(#24). Remove.the.spring.(#160). Remove.the.button.(#465).

•

There are high voltage parts inside. Be careful of this electric shock, when you remove the cover.

You must discharge the main condenser according to the instruction of this repair manual after you remove the cover.

WARNING!

User ID:INC

VBA28001-R.3813.A

- D8 ・ D3100 -

[Gray]

[Orange]

[Green]

[Blue]

#631 #632

#656

Top.cover.unit

Unsolder.the.four.wires.of.the.SB.lower.cover.unit. Remove.the.harness.and.FPC.

•

Take.out.the.screws.(#631,.#632,.and.#656). Remove.the.top.cover.

•

User ID:INC

VBA28001-R.3813.A

- D9 ・ D3100 -

#B431

2..Rear.Cover

SD.cover.unit

Remove.the.SD.cover.unit.(#B431).from.the.rear.cover.unit.•

Unhook.

User ID:INC

VBA28001-R.3813.A

- D10 ・ D3100 -

#402

#403

#624

#476

#475

#621

#266

#265

LCD.monitor.cover

Remove.the.LCD.monitor.cover.(#402). Peel.off.the.double-stick.tape.(#403).

•

Eyepiece

Take.out.the.two.screws.(#624),.and.remove.the.eyepiece.frame.unit.from.the.rear.cover. Remove.the.sponge.(#476).from.the.eyepiece.frame.(#475). Take.out.the.screw.(#621). Remove.the.retainer.plate.(#266). Remove.the.diopter.adj..knob.(#265).

•

User ID:INC

VBA28001-R.3813.A

- D11 ・ D3100 -

#406

#621

TA-0005.(10x20)x2

[Red]

[Black]

Peel.off.the.two.pieces.of.the.tape.[TA-0005.(10×20)]. Take.out.the.nine.screws.(#621). Remove.the.retainer.plate.(#406).

•

Retainer.plate

Unsolder.the.two.wires.of.the.speaker.(#1054).•

User ID:INC

VBA28001-R.3813.A

- D12 ・ D3100 -

#B1016

#1049

#1054

Rear.FPC

Disconnect.the.two.FPCs. While.slacking.the.FPC.(see.below).of.the.LCD.monitor.(#1049),.remove.the.rear.FPC.unit.(#B1016).

•

Speaker

Remove.the.speaker.(#1054).•

User ID:INC

VBA28001-R.3813.A

- D13 ・ D3100 -

#415

#1049

#412

#413

#416

#385

#386

#424

#425

LCD.monitor

Remove.the.LCD.monitor.(#1049).•

Rear.button

User ID:INC

VBA28001-R.3813.A

- D14 ・ D3100 -

#619

#471

#472

#470

#405

#404

EDC0021

#408

LV.lever

Take.out.the.two.screws.(#619). Remove.the.retainer.plate.(#471),.spring.(#472),.and.LV.lever.(#470).

•

TFT.sponge

Remove.the.two.sponges.(#404).and.two.sponges.(#405).

SD.access.lamp.window

Remove.the.adhesive.(EDC0021),.then.remove.the.SD.access.lamp.window.(#408).

•

User ID:INC

VBA28001-R.3813.A

- D15 ・ D3100 -

#618

#36

C-8008B

#1053

[Black] [White]

3..Top.Cover

SB.release.PCB.unit

Remove.the."Super.X".(C-8008B),.then.remove.the.microphone.(#1053).•

Unsolder.the.two.wires. Take.out.the.screw.(#618),.and.remove.the.driving.magnet.(#36).

•

User ID:INC

VBA28001-R.3813.A

- D16 ・ D3100 -

③

#B1007

#617

①

②

#309

#458

#309

#456

#458

#455

Take.out.the.three.screws.(#617). Unhook.the.top.cover.FPC.unit.(#B1007).in.the.numeric.order.from.①.to.③,.and.then.remove.the.SB. release.PCB.(#455).

•

Remove.the.SB.release.lever.(#456). Remove.the.SB.lock.lever.(#309).and.spring.(#458).together. Remove.the.spring.(#458).from.the.SB.lock.lever.(#309).

•

User ID:INC

VBA28001-R.3813.A

- D17 ・ D3100 -

#459

#305

[Red]

#301

#628

[Green]

[Blue]

[Gray]

[Orange]

#305

[Blue]

SB lower cover unit

Unhook the spring (#305). Unhook the spring (#459) and spring (#305).

•

Unsolder the two wires. Release the four wires from the four guides.

•

SB upper cover

Take out the two screws (#628). Remove the SB upper cover (#301).

•

＝

Guide

User ID:INC

VBA28001-R.3813.A

- D18 ・ D3100 -

#308

#B302

Release.hooks.

Remove.the.roller.(#308).while.releasing.the.hooks.•

Remove.the.SB.lower.cover.unit.(#B302).•

Pull.out.the.wires.•

User ID:INC

VBA28001-R.3813.A

- D19 ・ D3100 -

#B325

#629

[Black]

[Red]

#1027

AF.assist.lamp.unit

Unsolder.the.two.wires.of.the.harness.(#1027).•

[Uncoated]

Unsolder.the.two.wires.of.the.AF.assist.lamp.unit.(#B325). Take.out.the.screw.(#629),.and.remove.the.AF.assist.lamp.unit.(#B325).

•

User ID:INC

VBA28001-R.3813.A

- D20 ・ D3100 -

#617

#361#362

#B360

#B1007

Top.cover.FPC.unit

Remove the ve solders of the hot shoe.

Take.out.the.three.screws.(#617).

•

Solder×5

Remove.the.top.cover.FPC.unit.(#B1007).•

Caution:.When.the.top.cover.FPC. unit.is.removed,.be.careful.that.the. inner.click.spring.(#361).and.click. ball.(#362).in.the.command.dial.may. pop.out.

User ID:INC

VBA28001-R.3813.A

- D21 ・ D3100 -

#B360

#361

#362

#381

Command.dial.unit

Remove.the.command.dial.unit.(#B360). Remove.the.click.ball.(#362).and.click.spring.(#361).

•

Info.&."+.-".aperture.button

Remove.the.button.(#381).•

User ID:INC

VBA28001-R.3813.A

- D22 ・ D3100 -

#615

#348

#347

#B345

ON-OFF.dial

Take.out.the.two.screws.(#615). Remove.the.ON-OFF.SW.brush.(#348).and.ON-OFF.click.plate.(#347). Remove.the.power.dial.unit.(#B345).

•

User ID:INC

VBA28001-R.3813.A

- D23 ・ D3100 -

#616

#372

#373

#B371

#663

#375

#362

#374

Mode.dial.unit

Take.out.the.screw.(#616). Remove.the.contact.brush.(#372).and.click.spring.(#373). Remove.the.mode.dial.unit.(#B371).

•

Unhook.

Take.out.the.two.screws.(#663). Remove.the.contact.brush.(#375),.click.ball.(#362),.and.release.mode.dial.(#374).

•

[#362].close-up

User ID:INC

VBA28001-R.3813.A

- D24 ・ D3100 -

#B317

#316

#318

#322

#627

Hot.shoe

Take.out.the.four.screws.(#627). Remove.the.holder.plate.(#322),.hot.shoe.spring.(#318),.hot.shoe.(#316),.and.hot.shoe.mold.unit.(#B317).

•

User ID:INC

VBA28001-R.3813.A

- D25 ・ D3100 -

#613

Prism.box.unit

Note:.The.prism.box.unit.can.be.disassembled.until.the.stage.shown.from.page.D26.to.D28,..

Further.disassembly.can.not.be.made...(ref..parts.list)

Disconnect.the.two.FPCs. Take.out.the.two.screws.(#613).

•

Remove.the.prism.box.unit.•

User ID:INC

+ 126 hidden pages

Nikon D3100 VBA28001 Repair Manual

Specifications and Main Features

Frequently Asked Questions

User Manual