Samsung GX-20 - Digital Camera SLR User manual

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CONTENTS
Ⅰ. SPECIFICATION
1. Main Specifications ……………………………………………………………………………… 4
2. System Requirements …………………………………………………………………………… 8
3. Names of Working Parts ………………………………………………………………………… 9
4. Using the Vertical Battery Grip (SBG-D1V) …………………………………………………… 11
5. Inserting the Battery …………………………………………………………………………… 12
6. Inserting the Memory Card……………………………………………………………………… 13
7. Attaching and removing the lens ……………………………………………………………… 14
8. LCD Monitor Indications ………………………………………………………………………… 16
9. Viewfi nder Indications ………………………………………………………………………… 24
10. LCD Panel Indications ………………………………………………………………………… 26
11. CONNECTION DIAGRAM …………………………………………………………………… 28
Ⅱ. INSTALLATION
1. Software Notes ………………………………………………………………………………… 29
2. Setting up the application software …………………………………………………………… 30
3. Troubleshooting ………………………………………………………………………………… 34
Ⅲ.EXPLODED VIEW AND PART LIST
1. GX-20 : Fig. 1 …………………………………………………………………………………… 36
2. GX-20 : Fig. 2 …………………………………………………………………………………… 37
3. GX-20 : Fig. 3 …………………………………………………………………………………… 38
4. GX-20 : Fig. 4 …………………………………………………………………………………… 39
PARTS LIST FOR GX-20_CODE ……………………………………………………………… 40
5. PACKING ITEM_GX-20 ………………………………………………………………………… 38
Ⅳ. WIRING DIAGRAM
………………………………………………………………………………………………… 54

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CONTENTS
Ⅴ . FIRMWARE
1. Firmware Basic Version Check ………………………………………………………………… 56
2. Firmware Full Version Check …………………………………………………………………… 57
3. Firmware Upgrade Procedure ………………………………………………………………… 59
4. Firmware Upgrade Procedure After Main Board Replacement ……………………………… 63
5. Run EEPROM PATCH ………………………………………………………………………… 67
Ⅵ.ADJUSTMENT
1. Preparation for Adjustments …………………………………………………………………… 70
2. Calibration of light source for digital adjustments ……………………………………………… 73
3. Adjustments flow chart when replacing the T100 …………………………………………… 77
4. OPS unit (Operation) adjustments……………………………………………………………… 78
5. OPS gain adjustment …………………………………………………………………………… 82
6. SLR (Single Lens Reflex) functional section adjustment……………………………………… 89
7. Exposure adjustment - BV adjust (brightness value) ………………………………………… 94
8. AF sensor position adjustment ……………………………………………………………… 101
9. AF sensor position check ……………………………………………………………………… 112
10. AGC level adjust : AGC (Automatic Gain Control) ………………………………………… 116
11. Uniformity CS : Adjustment to make the outputs of each AF sensor uniform. …………… 119
12. FI CS adjustment (focus) …………………………………………………………………… 122
13. Battery level adjustment ……………………………………………………………………… 125
14. Image sensor (Digital adjustment M-Test) ………………………………………………… 128
15. WDC adjustment……………………………………………………………………………… 132
16. Shutter speed adjustment …………………………………………………………………… 133
17. AF-LED (Super-imposer) position adjustment ……………………………………………… 144
18. Photometric element position adjustment procedure ……………………………………… 147
Ⅶ.SERVICE INFORMATION
1. Caution ………………………………………………………………………………………… 149
2. Disassembling Process For Camera Body ………………………………………………… 150
3. Assembling Process For Camera Body ……………………………………………………… 178

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Ⅰ. SPECIFICATION
Image Sensor - Type : 23.4×15.5mm, CMOS
- Effective Pixel : Approx. 14.6 Mega-pixel
- Total Pixel : Approx. 15.1 Mega-pixel
Lens - Mount : PENTAX bayonet KAF2 mount
- Usable Lens : Schneider D-XENON, D-XENOGON, SAMSUNG lens
PENTAX DSLR lenses are available
KAF2, KAF, KA mount lenses
Viewfi nder - Type : Pentaprism, Natural-Bright-Matte II Focusing Screen
- Field of View : About 95%
- Magnifi cation : About 0.95X (50mm F1.4 lens•∞)
- Diopter Adjustment : About -2.5 ~ +1.5m-1
LCD Monitor - Low-temperature polysilicon TFT color LCD Monitor, 2.7" (approximately 230K pixels),
Brightness & Color control, Wide angle view
Preview - Type : Live View(up to 3 minutes.), Optical Preview, Digital Preview
Focusing - Type : TTL phase-matching 11-point AF
- Modes : AF Single, Continuous AF, Manual focus
Shutter - Type : Electronically controlled vertical-run focal plane shutter
- Speed : Auto : 1/4000sec. ~ 30sec. (No step)
Manual : 1/4000sec. ~ 30sec. (1/3EV or 1/2EV step) Bulb
Exposure Control - Metering System : TTL open-aperture 16-segment
Metering : Multi, Center-weighted, Spot
Metering range : EV0 ~ 21 (ISO100•50mm F1.4)
- Modes : Auto, Program, Shutter Priority AE, Aperture Priority AE, Sensitivity Priority
AE, Shutter & Aperture Priority, Manual, Bulb, Flash X-sync, User Mode
- Compensation : ±3 EV (1/2 EV step), ±2EV (1/3 EV step)
- AE Lock : AEL
1. Main Specifications

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Ⅰ. SPECIFICATION
- ISO : Auto, 100, 200, 400, 800, 1600, 3200 (1/3EV or 1/2EV step), 6400 (User setting)
When expanded Bulb mode: 1600 (Maximum)
Flash - Type : Built-in retractable P-TTL manual pop-up fl ash
- Modes : Auto, Fill-in, Auto & Red eye, Fill-in & Red eye, Front curtain synchro, Front
curtain synchro & Red eye, Rear curtain synchro, Wireless
- Guide Number : 13 (at ISO 100)
- Angle of View Coverage : 28 mm wide-angle (Equivalent to 35mm)
- Sync. Speed : 1/180sec., Red-eye reduction (Control Range : -2 ~ +1 EV)
- Recharging Time : 3.6 Sec (when fl ash fi red at maximum)
- External Flash : SEF-36PZF, SEF-54PZF (optional)
Synchro - Hot Shoe, X Synchro socket (Sync. Speed : 1/180sec.)
- High Speed Synchro, Wireless Synchro (External Flash)
White Balance - Modes : Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent(W, D, N), Flash,
Manual, Color Temperature (1, 2, 3)
Shooting - Modes : Auto, Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter &
Aperture Priority, Manual, Bulb, Flash X-sync., User mode
- Live View : Field of View : Approx. 97%
Magnifi cation(4X, 8X), Grid display, AF Frame
- Drive Modes : Single, Continuous (Hi, Standard), Self-timer (12sec., 2sec.),
Remote Control, Auto Bracket, Expand Bracket, Multi Exposure
- Picture Wizard : Standard, Vivid, Portrait, Landscape, Custom 1, Custom 2
* Parameter : ±4 (9-step)
- Continuous :
•JPEG : 3fps (Hi Continuous : up to 38 shots)
2.3fps (Standard Continuous : depends on memory capacity)
•RAW : 3fps (Hi Continuous : up to 16 shots)
2.3fps (Standard Continuous : up to 16 shots)
Shake Reduction - Type : Image Sensor Shift
- Effective Range : Max. 4EV (depends on lens and shooting conditions)
Dust Reduction - Yes

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Ⅰ. SPECIFICATION
Self-timer - 2sec., 12sec., Remote control, Remote control 3sec.
Remote control Continuous (Compatible with Pentax Remote Control, Optional)
Storage - Media : SD (up to 4GB guaranteed), MMC (up to 2GB guaranteed),
SDHC (up to 8GB guaranteed)
- File Format : RAW (DNG), JPEG (DCF), EXIF 2.21, DPOF 1.1, PictBridge 1.0
- Image Size :
•JPEG : 14.6M (4672X3104), 10M (3872X2592), 6M (3008X2000), 2M (1824X1216)
•RAW : 14.6M (4672X3104 pixel)
- Capacity (512MB)
•14.6M : RAW 21
•14.6M : Super Fine (1)35, Super Fine(2)61, Fine 109, Normal 213
•10M : Super Fine (1)52, Super Fine (2)87, Fine 153, Normal 319
•6M : Super Fine (1)91, Super Fine (2)147, Fine 254, Normal 474
•2M : Super Fine (1)239, Super Fine (2)381, Fine 639, Normal 1060
These fi gures are measured under Samsung's standard conditions and may vary
depending on shooting conditions and camera settings.
Image Play - Type : Single image, Thumbnail, Rotate, Slide Show (4-type Transition Effect),
Histogram, Magnifi cation (up to 32X)
- Edit : Rotate, Digital Filter : B&W (4 types), Sepia (3 types), Color Selection (18 types),
Color (6 types), Soft (3 steps), Illustration, HDR (3 steps), Slim (±8 steps),
Brightness (±8 steps)
Interface - Digital Output : USB 2.0 (HI-SPEED)
- Video Output : NTSC, PAL (user selectable)
- DC Power Input Connector : DC 8.3V, 2A (100 ~ 240V)
- External Release Socket
- X Synchro Socket for External Flash
Power Source - Dedicated battery : Lithium ion battery : SLB-1674, Charger : SBC-L6
- Battery life : Approx. 500 min./1,000 shots (without fl ash on),
Approx. 430 min./860 shots (with fl ash 50% on),
Approx. 400 min./800 shots (with fl ash 100% on)

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Ⅰ. SPECIFICATION
Dimensions(WxHxD)
- 142mmX101mmX71.5mm (excluding the projecting parts of the camera)
Weight - 727g (Body only) , 806g (Memory card & Battery included)
Operating Temperature
- 0 ~ 40°C
Operating Humidity
- 5 ~ 85%
Software - Application : Samsung Master, Samsung RAW Converter 2.0, Adobe Reader

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Ⅰ. SPECIFICATION
2. System Requirements
PC with processor better than Pentium III 450MHz
(Pentium 800MHz recommended)
Windows 2000/ME/XP/Vista
Minimum 256MB RAM (512MB recommended)
250MB of available hard disk space (1GB recommended)
USB port
CD-ROM drive
1024x768 pixels, 16-bit color display compatible monitor
(24-bit color display recommended)
For Windows
For Macintosh
Power Mac G4 or later
Mac OS 10.2 or later
Minimum 256MB RAM
250MB of available hard-disk space
USB port
CD-ROM drive

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Ⅰ. SPECIFICATION
3. Names of Working Parts
Front & Top
Shutter Button
Main Switch
Front dial
Self-Timer lamp /
Remote control
receiver
Lens mount index
Lens unlock button
Lens information
contacts
Mirror
AF coupler Focus mode lever
Terminal Cover
Remote control port
USB / Video terminal
DC input terminal
RAW Button
External flash
sync terminal
Strap holder
Mode dial
Flash Button
Built-in Flash
Green Button
●Do not attempt to adjust the
aperture lever or the mirror
in the camera body.
Failure to follow this
instruction may cause the
product to malfunction.
Front & Top

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Ⅰ. SPECIFICATION
Rear
Diopter adjustment lever
Hot shoe
Memory Card Slot
Self-Timer lamp / Remote control receiver
Metering
mode lever
Exposure
bracket button
Viewfi nder
MENU button
Delete /
Picture Wizard
INFO button
Playback button
LCD Monitor
Focus point selection dial
Fn Button
OIS (Optical Image
Stabilization) lever
Card cover lock
Card access lamp
Direction button
OK Button
AF Button
Strap Holder
AE-L/ Lock Button
LCD Panel
Rear e-dial
Memory Card Cover
Exposure Compensation /
LCD panel lamp button

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Ⅰ. SPECIFICATION
4. Using the Vertical Battery Grip (SBG-D1V)
■ Using the battery grip gives you a more comfortable
position while shooting with a vertical angle of view.
■Battery grip supports the green button ( ) function
while you can still adjust the exposure using the
battery grip.
▲Installing the battery grip
Battery grip
▲Vertical position when using the
battery grip

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Ⅰ. SPECIFICATION
5. Inserting the Battery
1. Rotate the Battery cover unlock lever as shown in the
illustration and open the cover.
2. Insert the battery as shown on the picture.
3. Close the Battery cover and rotate the battery cover
lock lever as shown.
Battery lock lever

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Ⅰ. SPECIFICATION
6. Inserting the Memory Card
1. Lift up the Card Cover Lock as shown (①) and rotate it
to the OPEN position (②) (Card cover opens (③)).
2. Have the front of the memory card facing toward the
LCD monitor and insert the memory card.
- Press the memory card one more time to remove it
out of the memory card slot.
3. Close the Card cover.
Fitting groove
Lock button
■ SD / SDHC memory card and Multi Media Card can be used with this camera.
■ Captured images are recorded on the Memory Card. Make sure the camera is turned off before
inserting or removing the Memory Card.
●Do not remove the Memory Card while card access
lamp is lit.
●Always format new Memory Cards before use.
Also format Memory Cards used with other cameras.
●If the memory card cover is left open, the power will
not turn on.
●Make sure the memory card is correctly positioned
before inserting it into the camera.

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Ⅰ. SPECIFICATION
7. Attaching and removing the lens
1. Check that the camera is off.
2. Remove the body mount cover (①) and lens
mount cover (②). Be sure to put the lens down
with the lens mount side facing upward to avoid
damage.
3. Align the red dots on the camera and the lens,
and secure by turning the lens clockwise until it
clicks. After attaching, check that the lens is
secure. Also check that the red dots of the lens
are on top and the attached portion does not
move sideways.
■
Some functions are restricted when lenses are not set to Aperture A (Auto).
To allow shutter release, set [Use Aperture Ring] in [CUSTOM2 MENU] menu.
●Turn the camera off before attaching or removing the lens to prevent unexpected lens problems.

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Ⅰ. SPECIFICATION
4. Remove the front lens cap by pushing the
indicated portions inward.
5. To detach the lens, hold down the lens unlock
button (③) and turn the lens counterclockwise.
●The body mount cover (®Á) is a cover to prevent damage during shipping.
●The camera body and lens mount incorporate lens information contacts and an AF coupler.
Dirt, dust, or corrosion may damage the electrical system.
Clean the contacts with a soft dry cloth.
Attaching and removing the lens must be done in a clean place.
Please avoid contact with liquid water. If the camera°Øs body or the lens gets wet or dirty, camera
malfunction may occur.

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Ⅰ. SPECIFICATION
8. LCD Monitor Indications
■The following indicators appear on the LCD monitor depending on the status of the camera.
While Power is On or Operating Mode Dial
LCD monitor
Guides appear on the LCD monitor for 3 seconds when powered on or setting dial mode ( ).
●You can set the specifi c time the guides will appear on the LCD monitor for.
Select the desired time from [SETUP MENU] > [Guide Display].

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Ⅰ. SPECIFICATION
Detailed Information
●Indicators [Metering type], [Focus Point Information], [White balance], and [Sensitivity] only appear
when a setting other than the default setting is selected.
①Flash mode
②Custom mode
③Button guide
④Battery status
⑤Date and time
⑥e-dial information
⑦Shooting mode (Mode dial position)
⑧OIS (Optical Image Stabilization)
⑨Sensitivity
⑩White balance
⑪Focus Point position information
⑫AF mode
⑬Metering type
⑭Drive mode/Extended Bracket
Automatic Program
Exposure
Enable AF

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Ⅰ. SPECIFICATION
Capture Mode
Press the INFO button in capture mode to display the capture function settings on the LCD monitor.
Detailed Information
Standard

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Ⅰ. SPECIFICATION
1. Shooting mode
2. Custom mode
3. Metering mode
4. Flash mode
5. Drive mode
6. Exposure Bracket /
Multi Exposure
7. AF mode
8. Focus point location
9. Extended Bracket
10. Picture Wizard mode
11. Colour Tone
12. Saturation
13. Contrast
14. Sharpness
15. Date and time
16. Colour space
17. OIS (Optical Image Stabilization)
18. Quality level
19. BA compensation value (GM) /
BA compensation value (BA)
20. Recorded pixels
21. Battery Status
22. File type
23. White balance
24. ISO sensitivity
25. ISO range (Auto)
26. Lens focal length
27. Aperture Value
28. Flash Exposure Value
29. Shutter Speed
30. Exposure Compensation Value

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Ⅰ. SPECIFICATION
Playback Mode
Press the INFO button in playback mode to display the image information on the LCD monitor.
Whenever pressing the INFO button, Basic information, Histogram, Detail information and no
information will display in that order.
Detailed Information
●You can change the information initially displayed by pressing the playback button ( ).
Standard