Nikon D50 Istruzioni operative
作成承認印 配布許可印
VBA12001-R.3668.A
Copyrigh ｃ2005 by Nikon Corporation.
All Rights Reserved.
無断転載を禁ず
!!
Printed in Japan June 2005
VBA12001
REPAIR MANUAL
Ｍ
サービス
計画課
- M1 ･ -
VBA12001-R.3668.A
Type Single-lens reex digital camera with interchangeable lenses
Effective pixels 6.1 million
CCD 23.7 × 15.6 mm; total pixels: 6.24 million
Image size (pixels) • 3008 × 2000 (Large) • 2256 × 1496 (Medium)
• 1504 × 1000 (Small)
Lens mount Nikon F mount (with AF coupling and AF contacts)
Compatible lenses*
Type G or D AF Nikkor All functions supported
Micro Nikkor 85 mm
f/2.8D
All functions supported except autofocus and some exposure
modes
Other AF Nikkor†All functions supported except 3D color matrix metering II
AI-P Nikkor All functions supported except 3D color matrix metering II and
autofocus
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
Viewnder Fixed-eyelevel penta-Dach-mirror type
Diopter adjustment –1.6 – +0.5 m–1
Eyepoint 18 mm (–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)
Magnication Approximately 0.75× (50-mm lens at innity; –1.0 m–1
Reex mirror Quick return
Lens aperture Instant return with depth-of-eld preview
Focus-area selection Can be selected from 5 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 automatically activated according to subject status
• Manual focus (M)
Specications
- M2 ･ -
VBA12001-R.3668.A
Autofocus TTL phase detection by Nikon Multi-CAM900 autofocus module
with AF-assist illuminator (range approximately 0.5–3.0 m / 1´8
″
–
9´10
″
)
Detection range –1 – +19 EV (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 shutter-release button halfway
(single-servo AF) or by pressing AE-L/AF-L button
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 6, 8, 10, or 12-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 – 20 EV (3D color matrix or center-weighted metering)
2 – 20 EV (spot metering)
Exposure meter coupling CPU coupling
Exposure control
Operating mode Digital Vari-Program（ auto, portrait, landscape,
Child, close up, sports, night portrait),
programmed auto (
P
) with exible program; shutter-priority
auto (
S
); aperture priority auto (
A
); manual (
M
)
Exposure compensation –5 – +5 EV in increments of 1/3 or EV
Bracketing Exposure and / or ash bracketing (up to ±2EV over 3
exposures)
Exposure lock Luminosity locked at detected value with AE-L/AF-L button
Shutter Combined mechanical and CCD electronic shutter
Speed 30 – 1/4000 s in steps of 1/3 or EV, bulb, remote
Sensitivity 200 – 1600 (ISO equivalent) in steps of 1/3 EV
White balance Auto (TTL white-balance with 420 pixels RGB sensor), six
manual modes with preset white balance
Bracketing 3 exposures in increments of 1, 2, or 3
- M3 ･ -
VBA12001-R.3668.A
Built-in Speedlight •, , , , auto flash with auto pop-up
•
P
,
S
,
A
,
M
: manual pop-up with button release
Guide number
(m / ft at 20 °C/68 °F)
• ISO 200: approximately 15/49 (manual 17/56)
• ISO 100: approximately 11/36 (manual 12/39)
Flash
Sync contact X-contact only; ash synchronization at up to 1/500 s
Flash control
TTL TTL ash control by 420-segment RGB sensor (CPU lenses only)
• Built-in Speedlight: i-TTL balanced ll-ash for digital SLR,
or standard i-TTL ash for digital SLR (spot metering or mode
dial set to M)
• SB-800 or 600: i-TTL balanced ll-ash for digital SLR, or
standard i-TTL ash for digital SLR (spot metering)
Auto aperture Available with SB-800 with 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
Sync modes • 、 、 、: front curtain sync, red-eye reduction
• : slow sync, slow sync with red-eye reduction
•
、
: front curtain sync and red-eyereduction available
with optional Speedlights
•
P
,
S
,
A
,
M
: front curtain sync, slow sync, rear-curtain sync,
red-eye reduction, slow sync with red-eye reduction
Flash compensation –3 – +1 EV in increments of 1/3 or EV
Accessory shoe Standard ISO hot-shoe contact with safety lock
Creative Lighting
System
Supports Flash Color Information Communication and FV lock
with built-in Speedlight, SB-800, and SB-600. SB-800 and 600
also support Advanced Wireless Lighting.
Storage
Media SD (Secure Digital) memory cards
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-compliant
- M4 ･ -
VBA12001-R.3668.A
Self-timer Electronically controlled timer with 2 – 20 s duration
Monitor 2.0
″
, 130,000-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
″
(ISO)
Firmware upgrades Firmware can be upgraded by user
Supported languages Chinese (Simplied and Traditional), Dutch, English, French,
German, Italian, Japanese, Korean, Portuguese, Russian,Spanish,
Swedish
Power source • One rechargeable Nikon EN-EL3 Li-ion battery;
charging voltage (MH-18a quick charger or optional MH-19
multi charger): 7.4 V DC
• EH-5 AC adapter (available separately)
Dimensions (W × H × D) Approximately 133 × 102 × 76 mm (5.2
″
× 4.0
″
×3.0
″
)
Weight Approximately 540 g (1 lb 3 oz) without battery, memory card,
body cap, or monitor cover
Operating environment
Temperature 0 – 40 °C (+32 – 104 °F)
Humidity Less than 85% (no condensation)
• Unless otherwise stated, all gures are for a camera with a fully-charged battery operating at an
ambient temperature of 20 °C (68 °F).
• Nikon reserves the right to change the specications of the hardware and software described this
manual at any time and without prior notice. Nikon will not be held liable for damages that may
result from any mistakes that this manual may contain.
- Ｄ1 ･ -
VBA12001-R.3668.A
Points to notice for Disassembly / Assembly
�
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
Note:
① When disassembling/(re)assembling, be sure to use the conductive mat (J5033) and wrist strap (J5033-5)
for static protection of electrical parts.
② Before disassembling, be sure to remove batteries or AC power wires.
③ When disassembling, make sure to memorize the processing state of wires and FPC, screws to be xed
and their types, etc.
④ Because the low pass lter of the imaging CCD PCB is easily damaged, handle it with enough care.
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.
WARNING
Due to an internal high voltage area, take extra care not to
get 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 "Seprating Front and Rear bodies","Disassembling Image PCB",and"Disassembling Bayonet",
be sure to perform"Reset of AF defocus compensation amount"by D2X adjustment software after reassembly.
- Ｄ2 ･ -
VBA12001-R.3668.A
Disassembly
1. Separation of Front and Rear Bodies
Bottom Cover
#5692
#5697
#5677×7
Bottom cover
・ Take out the screws (#5692 and #5697) and 7 screws (#5677).
・ Remove the bottom cover.
Rear cover
・ Take out 4 screws (#623).
・ Cover to remove the rear cover.
Note: Remove the rear cover slowly so as not to cut TFT-PCB
connection FPC of the upper portion of the cover.
#623×4
Rear cover
- Ｄ3 ･ -
VBA12001-R.3668.A
SB pop-up
Approx.2cm
Approx. 4cm
・ Remove TFT-PCB connection FPC from the connector.
・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 pop it up by
sliding the sheet in the direction of the arrow.
TFT-PCB connection FPC
- Ｄ4 ･ -
VBA12001-R.3668.A
Discharge Main condenser
・Discharge the main condenser from its both terminal. #627 × 3
Main
condenser
2KΩ/5W
�
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
Covers
・ First, remove the front cover (#B5024).
#B5028
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.
#635
#659
#5124
#5121
#611×2
#635
#635
#26
#B5024
AUTO
#611 × 2
- Ｄ5 ･ -
VBA12001-R.3668.A
DG shield plate
#78
#627×3
DG-PCB unit
・ Remove 5 connectors.
・ Unsolder 2 reset SW wires.
・ Take out 2 screws (#663) and the screw (#627) to remove the DG-PCB unit (#B2031).
・ Remove 2 soldering bridges.
・ Take out 3 screws (#627).
・ Remove the DG shield plate (#78).
Soldering bridges
Green
Yellow
: Reset SW wire
#663×2
#627
#B2031
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3
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