Nikon D40 Service Manual

VBA15001-R.3701.A

Ｍ

サービス

計画課

INC

作成承認印 配布許可印

VBA15001
VBA15101

REPAIR MANUAL

Black

Silver

Copyright© 2006 by NIKON CORPORATION.

All Rights Reserved.

無断転載を禁ず！！

Printed in Japan Nov 2006

VBA15001-R.3701.A

Specications

Type Single-lens reex digital camera with interchangeable lenses

Eective pixels 6.1 million

CCD 23.7×15.6mm; total pixels: 6.24 million

Image size (pixels) • 3,008 × 2,000 (Large) • 2,256 × 1,496 (Medium) • 1,504 × 1,000 (Small)

Lens mount Nikon F mount with AF coupling and AF contacts

Compatible lenses

*

Type G or D AF Nikkor
AF-S, AF-I All functions supported
Other Type G or D Nikkor All functions supported except autofocus
Micro Nikkor 85mm f/2.8D Can only be used in mode M; all other functions supported except autofocus
Other AF Nikkor†/AI-P Nikkor All functions supported except autofocus and 3D color matrix metering II
Non-CPU Can be used in mode M, but exposure meter does not function; electronic range nder

can be used if maximum aperture is f/5.6 or faster.

*IX Nikkor lenses can not be used †Excluding lenses for F3AF

Picture angle Equivalent in 35-mm format is approximately 1.5 times lens focal length.

Viewnder Fixed eye-level penta-Dach mirror type

Diopter –1.7–+0.5m

-1

Eyepoint 18mm (–1.0 m-1)
Focusing screen Type B BriteView clear matte screen Mark V with superimposed focus brackets
Frame coverage Approximately 95% of lens (vertical and horizontal)
Magnication Approximately 0.8× (50-mm lens at innity; –1.0 m-1)

Reex mirror Quick return

Lens aperture Electronically controlled with instant return

Self-timer Electronically controlled timer with 2, 5, 10 or 20s duration

Focus-area selection Focus area can be selected from 3 focus areas

Lens servo • Autofocus (AF): Instant single-servo AF (AF-S); continuous-servo AF (AF-C); auto AF-

S/AF-C selection (AF-A); predictive focus tracking activated automatically according
to subject status

• Manual focus (M)

Storage

Media SD (Secure Digital) memory cards; camera supports SDHC
File system Compliant with Design Rule for Camera File System (DCF) 2.0 and Digital Print Order

Format (DPOF)

Compression • NEF (RAW): compressed 12-bit • JPEG: JPEG baseline-complaint

Autofocus TTL phase detection by Nikon Multi-CAM 530 autofocus sensor module with AF-assist

illuminator (range approximately 0.5–3.0m/1ft. 8 in.–9 ft. 10in.)

Detection range –1.0–+19EV (ISO 100 at 20°C/68 °F)
AF-area mode Single-area AF, dynamic-area AF, dynamic-area AF with closest subject priority
Focus lock Focus can be locked by pressing the shutter-release button halfway (single-servo AF)

or by pressing the AE-L/AF-L button

ISO sensitivity (Recom­mended Exposure Index)

200–1600 in steps of 1EV with additional setting one step over 1600

INC

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VBA15001-R.3701.A

Exposure

Metering Three-mode through-the-lens (TTL) exposure metering
Matrix 3D color matrix metering II (type G and D lenses); color matrix metering II (other CPU

lenses); metering performed by 420-segment RGB sensor

Center-weighted Weight of 75% given to 8-mm circle in center of frame
Spot Meters 3.5-mm circle (about 2.5% of frame) centered on active focus area
Range (ISO 100 equivalent,

f/1.4 lens, 20°C/68°F)

0–20EV (3D color matrix or center-weighted metering)
2–20EV (spot metering)

Exposure meter coupling CPU coupling
Digital Vari-Program/
exposure modes

Digital Vari-Program ( auto, auto/no ash, portrait, landscape, child,
sports, close-up, night portrait); programmed auto (P) with exible program;
shutter-priority auto (S); aperture-priority auto (A); manual (M)

Exposure compensation –5–+5EV in increments of1/3 EV
Exposure lock Exposure locked at detected value with AE-L/AF-L button

Shutter Combined mechanical and CCD electronic shutter

Speed 30– ¼,000 s in steps of1/3 EV, bulb

White balance Auto (TTL white balance with 420-segment RGB sensor); six manual modes with ne

tuning and preset white balance

Built-in ash • , , , , : Auto ash with auto pop-up

• P, S, A, M: Manual pop-up with button release

Guide number (m/ft) • Approximately 17/55 at ISO 200 and 20 °C/68°F (manual 18/59)

• Approximately 12/39 at ISO 100 and 20 °C/68°F (manual 13/42)

Flash

Sync contact X-contact only; ash synchronization at shutter speeds of up to1/500 s
Flash control
TTL TTL ash control by 420-segment RGB sensor. i-TTL balanced ll-ash for digital SLR

and standard i-TTL ll-ash for digital SLR available when CPU lens is used with built-in
ash, SB-400, SB-800, and SB-600

Auto aperture Available with SB-800 and CPU lens
Non-TTL auto Available with such Speedlights as SB-800, 80DX, 28DX, 28, 27, and 22s
Range-priority manual Available with SB-800
Flash mode • , , , : Auto, auto with red-eye reduction; ll-ash and red-eye reduction

available with optional Speedlight

• : Auto, auto slow sync, auto slow sync with red-eye reduction; slow sync and slow
sync with red-eye reduction available with optional Speedlight

• , : Fill-ash and red-eye reduction available with optional Speedlight

• P, A: Fill ash, rear-curtain with slow sync, slow sync, slow sync with red-eye reduction,
red-eye reduction

• S, M: Fill ash, rear-curtain sync, red-eye reduction

Flash-ready indicator Lights when built-in ash or SB-series Speedlight such as 400, 800, or 600 is fully

charged; blinks for about 3s after ash is red at full output

Accessory shoe Standard ISO hot-shoe contact with sync, signal, and ground contacts and safety lock
Nikon Creative Lighting
System

Supported with built-in ash, SB-400, SB-800, and SB-600; Advanced Wireless Lighting
supported with SB-800 or SU-800 as Commander.

Monitor 2.5in., 230,000-dot, low-temperature polysilicon TFT LCD with brightness adjustment

Video output Can be selected from NTSC and PAL

External interface USB 2.0 Hi-speed

Tripod socket ¼in. (ISO 1222)

Firmware upgrades Firmware can be upgraded by user

INC

- Ｍ  ･ -

VBA15001-R.3701.A

Unless otherwise stated, all gures are for a camera with a fully-charged battery operating at an ambi­ent temperature of 20°C (68°F).

EN-EL9 Rechargeable Li-ion Battery

Supported languages Chinese (Simplied and Traditional), Dutch, English, Finnish, French, German, Italian,

Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish

Power source • One rechargeable Nikon EN-EL9 Li-ion battery; charging voltage (MH-23 quick

charger): 7.4V DC

• EH-5 AC adapter (available separately; requires optional EP-5 AC adapter connector)

Dimensions (W ×D×H) Approximately 126×64× 94mm (5.0×2.5 × 3.7in.)

Approximate weight 475g (1lb. 1oz.) without battery, memory card, or body cap

Operating environment

Temperature 0 –+40°C (+32– 104°F)
Humidity Less than 85% (no condensation)

Type Rechargeable lithium-ion battery

Rated capacity 7.4V/1000 mAh

Dimensions (W ×D×H) Approximately 36×56× 14mm (1.4×2.2 ×0.6in.)

Approximate weight 51g (1.8oz.), excluding power cable

INC

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Points to notice for Disassembly / Assembly

㧍

内部に高電圧部あり。カバーを外す 時は感電に注意すること。

カバーを外した後は、修理指針の指 示に従ってメインコンデン

サーの放電を必ず行うこと。

警告

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サービス

計画課

INC

WARNING

VBA15001-R.3701.A

(Addition)

△

Due to an internal high voltage area,

an electric shock when detaching covers.
After removing covers, be sure to discharge the main
condenser according to the instructions of repair manuals

Note:

When disassembling/(re)assembling, be sure to use the conductive mat (J5033) and wrist strap (J5033-5)

①　

for static protection of electrical parts.

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

②　

When disassembling, make sure to memorize the processing state of wires and FPC, screws to be xed

③　

and their types, etc. 　　　　

④　Because the low pass lter of the imaging CCD PCB is easily damaged, handle it with enough care.

is indicated in this manual when NK screw is used. Usually the same "NK" screw can be used

⑤

NK

approx. up to three times.

(NK screw = Loose-proong screw to which the adhesive is already applied and rmly xed when

screwed in.)

take extra care not to get

.

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 up lead-free solder with traditional solder.
　・ Use the special soldering iron respectively for lead-free solder and lead solder.

They cannot be used in common.

Caution:
Whenever "Separation of Front and rear bodies", "Disassembly of CCD/FPC unit", or
"Disassembly of Bayonet" are performed, be sure to perform "RESET AF-DEFOCUS
COMPENSATION" of camera adjustment software after reassembling.

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△× 

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Feb.05.2007

Disassembly

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計画課

INC

1. Separation of Front and Rear Bodies

Bottom Cover

VBA15001-R.3701.A

Take out the four screws (#5735)

・

and ve screws (#5674).

Open the power-wire lid.Open the power-wire lid.

・

Remove the bottom cover.

・

Power-wire lid

Rear cover

#5674

#5735

#5674

#5674

#5674×2

#5735

Bottom cover

#5735×2

Take out the four screws (#5690) and two screws (#5618).

・

Remove the rear cover.

・

Note: Remove the rear cover slowly so as not to cut rear FPC of

the upper portion of the cover.

Remove the rear FPC from the connector.

・

(Addition)

△

NK

#5690×4

#5618×2

Rear cover

Changed page

Rear FPC

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- Ｄ 2 ･ -

Feb.05.2007

A

A

INC

Rear cover

VBA15001-R.3701.A

#402-3

#403

#5401-7

#405×2

#448

#408

#753

#5412-1

#5418-5

#5429-2

#1016-3

#423-2

#451×2

#5424-4

#5425-3

#5426-3

#5427-3

#421-2

#404×2

#1037

#5431-1

#5681×2

#413-1

#B5431

#414

#453

#406-3

#452

#750

#670×3

#630×3

#407-2×2

#433

#5432-1

- Ｄ  ･ -

SB pop-up

㧍

内部に高電 圧部 あり 。カ バーを外す時は感電に注意す るこ と。

カバーを外 した 後は 、修 理指針の指示に従ってメイン コン デン

サーの放電 を必 ず行 うこ と。

警告

INC

Cut the tracing lm sheet, etc into the below size of piece.

・

Then insert it into the clearance of the top cover pop-up
part as shown right, and raise the SB by sliding the sheet in
the direction of the arrow.

Approx.2cm

Approx. 4cm

WARNING

Due to an internal high voltage area, take extra care not to get an

electric shock when detaching covers.
After removing the covers, be sure to discharge the main
condenser according to the instructions of repar manuals.

VBA15001-R.3701.A

Covers

Take out the four screws (#5610) and

・

the screw (#626).

Remove the front cover unit (#B5024)

・

and [#131].

#626

#750

#670

#5610×2

#5074

#792C

#B5024

#5120

#5610×2

#131

- Ｄ  ･ -

#29-2

#26-2

Discharge of Main condenser

INC

Discharge the main condenser from its both ends.

・

VBA15001-R.3701.A

Be careful so that the top cover does NOT touch the
discharge tool.

2KΩ/5W

Main
condenser

TOGO PCB unit

Disconnect the eight FPCs from the connector.

・

Unsolder the ve wires.

・

Take out the ve screws

・

Remove the harness.

・

Remove the TOGO PCB

・

#B2001-1).

(

TOGO PCB (#B2001-1)

#663).

(

Pink: Relay PCB

TOGO PCB unit: Back

Harness

Red

Blue

Gray

Gray

- Ｄ  ･ -

#663×5

CCD unit

INC

Take out the three screws (#631), and remove the CCD unit (#B3051-1).

・

Caution:

VBA15001-R.3701.A

#B3051-1

#631×3

Some bodies have already washer(s) attached on
the mounting surface of CCD unit.

SB PCB

Unsolder the four wires (connected

・

from Top cover).

Orange: Top cover

White: Top cover

Gray: Top cover

Black: Top cover

- Ｄ  ･ -

DC/DC PCB unit

info

AUT

O

Ｍ

サービス

計画課

INC

Unsolder the wire (connected from Top cover).

・

Top cover

Take out the two screws (#5737).

・

Take out the two screws (#635).

・

VBA15001-R.3701.A

Black: Top cover

The top cover and rubber eyecap (#B271)

・

come off.

(Revision)0~n

△

#797×2

#B271

#796A

#5737×2

D×n

～

Changed page

△× 

#635×2

- Ｄ 7 ･ -

Feb.05.2007

Disassembly of Top cover

INC

SB upper case

Press "Pop-up lever A part" of the top cover unit so that the built-in SB is raised.

　・

Pop-up lever A part

Take out two screws (#632).

　・

VBA15001-R.3701.A

#632×2

Release the two claws. House the built-in SB and remove the SB upper case (#5301).

・

SB upper case (#5301)

Claw

- Ｄ  ･ -

Top cover FPC / Wiring

Ｍ

サービス

計画課

INC

Unsolder the seven wires (connected from SB lower case unit and SB release base unit).

・

Remove the ve solder bridges.

・

Red: SB lower case unit

Blue: SB lower case unit

VBA15001-R.3701.A

Green: SB lower case unit

Black: SB lower case unit

Black: DC/DC PCB

AF-assist illuminator unit

Remove the two wires (black and uncoated) (connected from AF-assist illuminator unit).

・

Red: SB release base unit

Revision)

△ (

Blue: SB release base unit
Black: SB release base unit

Take out the screw (#608), and remove the AF-assist illuminator unit (#B325-1).

・

#608

AF-assist illuminator unit (#B325-1)

Black: AF-assist illuminator unit:

Uncoated wire: AF-assist illuminator unit

Changed page

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Feb.05.2007

VBA15001-R.3701.A

AUT

O

info

INC

SB lower case unit / SB release base unit / Buttons

Remove the rubber SW (#382-2), ± Aperture button (#5381), and INFO button (#5383-1).

・

Take out the two screws (#605), and remove [#348], [#347-1] and the release button unit (#B5350).

・

Take out the screw (#650), and release the wire from the boss.

・

Remove [#308-1], while releasing the two hooks.

・

While pressing the SB case rotating shaft (#306-1), take out the screw (#733) and remove the SB-up spring

・

(#305-1).

While watching the wires, remove the SB lower case unit (#B2302).

・

Take out the two screws (#607), and remove the SB release base unit (#B2455).

・

#733

#305-1

#B2302

#B5350

#5383-1

#5381

#306-1

#308-1

#382-2

#347-1

#956

#B2455

#607×2

#348

#605×2

#650

Hook × 2

- Ｄ 0 ･ -

AUT

O

Top cover FPC unit / other small parts

INC

Remove the three solder bridges.

・

Take out the two screws (#635) and remove the top cover FPC unit (#B2007-1).

・

Remove the AF/AE lock button (#5386-1) and [#387-2].

・

Take out the two screws (#635), and remove the C/D unit (#B367).

・

Take out the screw (#640), and remove [#372], [#373], and mode dial unit (#B5375).

・

Take out the four screws (#654), remove [#322], [#318-1], shoe base (#316) and [#B317].

・

#318-1

#316

#B5375

#B317

VBA15001-R.3701.A

Solder bridge ×3

#B367

#27-2

#373

#372

#640

#326

#5386-1

#387-2

#311-1×2

#322

#654×4

#B2007-1

#956

#635×2

#635×2

- Ｄ  ･ -

SB PCB

INC

Unsolder the two wires (connected from Relay-PCB).

・

Red: Relay-PCB

Black: Relay-PCB

DC/DC PCB

Unsolder the two wires (connected from Mount GND plate and Frront body FPC).

・

Black: Mount GND plate

VBA15001-R.3701.A

Black: Front body FPC

Bottom base plate unit

Take out the ve screws (#616).

・

Take out the two screws (#691).

・

Remove the bottom base plate unit (#B66-2).

・

#616×5

#691

Bottom base
plate unit

(#B66-2)

#691

- Ｄ  ･ -

VBA15001-R.3701.A

INC

Separation of Front and Rear bodies

Take out the four screws (#624).

・

Separate the front body from the rear body.

・

Caution: Separate them slowly so as NOT to cut the two wires of the relay-PCB that pass through between the

SB PCB and main condenser.

#624×4

- Ｄ  ･ -

2. Rear body

INC

Remote block

Remove SW-FPC [#B2006].

・

Take the two screws (#683).

・

Remove the remote block (#158-1).

・

#683×2

VBA15001-R.3701.A

#B2006

#354

#158-1

DC/DC PCB

Remove the ve wires (connected from SB-PCB and Battery box) .

・

Take out the two screws (#670).

・

Remove the DC/DC PCB.

・

#670×2

Black:SB PCB

Red:SB PCB

Blue: Battery box

Red: Battery box

Black: Battery box

DC/DC PCB

- Ｄ  ･ -

SB PCB

INC

Remove the two wires (yellow-circled) of the main condenser.

・

Remove the main condenser that is attached on with the adhesive double-

・

coated tape.

Take out the screw (#687).

・

Remove the SB PCB.

・

SB PCB

#687

VBA15001-R.3701.A

Main condenser

#142

#1076

#1077

#141×2

#1043-3

Main condenser

#1043-3

DC/DC lug plate
Eyelet ring unit
Other small parts

Battery box

Buzzer unit

#607×3

#157×3

#B145×2

#694×2

#694×2

#143×3

#615×4

TA-0005

(7×15)

#159-1

DC/DC
lug plate

Backup battery

Battery box

#607

- Ｄ  ･ -

3. Front Body

INC

Eyepiece barrel unit
AE FPC unit

Take out the screw (#607), and remove the AE FPC retainer plate (#293).

・

Remove the FPC of the AE FPC unit (#B2008) from the connector.

・

Take out the screw (#604), and remove the AE sensor plate spring (#285-3).

・

Take out the screw (#291-1), and remove [#B2008] and [#290].

・

Take out the two screws (#638), and remove the eyepiece barrel unit (#B261).

・

#604

#291-1

#285-3

#B2008

VBA15001-R.3701.A

#B2008

#638×2

#290

#B261

#293

#607

- Ｄ  ･ -

INC

Penta unit

Screen areas

Take out the two screws (#635), and remove [#201] and [#202-1].

・

Remove the hollow penta prism unit (#B4) ,which is adheved by Super X.

・

Remove the nder eld frame 2 (#283).

・

Take out the two screws (#635), and remove the SI retaining unit (#B277).

・

Remove the nder eld frame 1 (#282-1).

・

Remove the in-nder display prism (#9).

・

Remove the SI display plate (#13-1).

・

Remove [#284], [#3], and [#297A].

・

#759

#B4

VBA15001-R.3701.A

#793×2

#9

#11

#635×2

#201

#202-1

#635×2

#B277

#282-1

#283

#13-1

#297A

#3

#284

- Ｄ  ･ -

B2

2

INC

Connection-FPC

Take out the screw (#670).

・

Remove the connection-FPC (#1020) from the connector.

・

AF sensor unit

VBA15001-R.3701.A

#670

Connection-FPC (#1020)

Disconnect the AF sensor unit FPC from the connector.

・

Take out the three screws (#162) with hexagonal wrench (φ1.5mm).

・

The AF sensor unit (#B2163) and the three springs (#161) come off.

AF sensor unit FPC

AF sensor unit (#B2163)

#162×3

#161×3

- Ｄ  ･ -

SQ FPC

Ｍ

サービス

計画課

INC

Unsolder eight wires (connected from SQ, Fmin, and Mg).

・

Remove the four solder bridges.

・

Remove the SQ FPC by releasing from the bosses.

・

VBA15001-R.3701.A

SQ FPC

Black:SQ

Black:Fmin

Solder bridge ×4

Orange:Fmin

Green:SQ Gray:SQ

Yellow:SQ

Shutter unit

Turn the white gear in the direction of "A", and raise the mirror.

・

Boss×2

Red:Mg

Blue:Mg

(Addition)

Remove [#757].

・

Take out the two screws (#635).

・

Remove the shutter unit (#31).

・

Turn the white gear in the direction of "B", and get the mirror down.

・

△

△

#635×2

(Addition)

A

B

#757

Shutter (#31)

Changed page

△× 2

- Ｄ  ･ -

Feb.05.2007

In-nder LCD unit

INC

Take out the two screws (#683).

・

Remove the in-nder LCD unit (#B2010).

・

VBA15001-R.3701.A

#683×2

#B2010

#276

#295

#758

SB SW unit

Remove the three solder bridges.

・

Remove the SB SW unit.

・

Remove the front body FPC from the connector.

・

Front body FPC

SB SW unit (#B1012)

Solder bridge ×3

- Ｄ 0 ･ -

Front body FPC

INC

SI LED-FPC

Remove the seven solder bridges and the other four solder bridges.

・

Solder bridge×4

VBA15001-R.3701.A

Solder bridge×7

Remove the SI LED-FPC (#1011) and [#279].

・

Remove the front body FPC (#1009).

・

#278×2

#1011

#279

#1009

- Ｄ  ･ -

Relay PCB

INC

Unsolder the two wires (connected from SQ PCB unit).

・

Take out the screw (#607).

・

Remove the relay PCB.

・

Relay PCB

VBA15001-R.3701.A

#607

Red:SQ PCB unit

Black:SQ PCB unit

SQ PCB unit

Take out the three screws (#638).

・

Turn "① " part in the direction of the arrow, and remove the SQ PCB unit, while releasing from the roller

・

section.

#638×3

SQ PCB unit

①

SQ PCB unit

Roller
section

- Ｄ  ･ -

Bayonet /

INC

A/M-change SW /
Lens-contact areas

VBA15001-R.3701.A

#621×2

#115-1

#119

#B116

#137-1

#135-1

#B2113

#198

#638×2

#189

#112×3

#607

#111

- Ｄ  ･ -

#660

#648×5