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Sony LMDDM20C Instructions For Use Manual Download Page 26

Troubleshooting

 

26

Troubleshooting

Check the following chart before consulting your Sony dealer.

Symptom

Cause and Solution

The unit will not turn on.
(The LED indicator is off.)

• Make sure the unit is plugged in (page 15).
• Check if the 

?

/

a

 (power) switch is turned on.

The power is turned off, but the LED 
indicator stays lit.

• Even when the 

?

/

a

 (power) switch is turned off in the standby mode, the LED 

indicator stays lit for a few seconds. This is not a malfunction.

The screen does not come on.

• Check if the cables are connected correctly.
• Check if the computer is turned on.
• If the LED indicator is lit in amber, the computer may be in the standby mode. Press 

any key on the keyboard to activate the computer.

• The input signal frequency or display resolution may not be appropriate for the 

specifications of the unit. Refer to the computer instruction manual and adjust the 
frequency and/or resolution.

• If the LED indicator blinks twice or three times, there may be an error occurring. 

Contact your Sony dealer.

Images are not displayed properly.

• The display resolution for a given input signal may not be appropriate for the 

specifications of the unit. Refer to the computer instruction manual and adjust 
resolution.

When you turn off the unit while using the 
DisplayPort input, the display becomes 
unstable.

• Data is sent by the DisplayPort while the computer is running. Do not turn off the unit 

while receiving a DisplayPort signal.
Do not turn off the unit while the computer is running. Even if the unit is turned on 
again, the screen might become unstable. Turn on the computer after turning on the 
unit.

Images via the DisplayPort input are not 
displayed properly.

• A DisplayPort input signal might not be displayed properly, depending on the 

combinations of graphics card, driver, OS, etc. For recommended graphics cards, 
consult your dealer.

Resolution loss (scan line gaps) occurs when 
using dual-link mode (LMD-DM30C).

• It can happen when a single-link DVI cable is used. Use the supplied dual-link DVI 

cable (page 11).

The mouse cursor does not move smoothly.

• Check the refresh rate (Fv) of the display mode.

The setting Fv = 60 Hz will enable smooth movement.
For details about the setting method, refer to the instruction manual for the graphics 
card.

Summary of Contents for LMDDM20C

Page 1: ...LCD Display 4 430 596 11 1 2012 Sony Corporation Instructions for Use Before operating the unit please read this manual thoroughly and retain it for future reference LMD DM30C LMD DM20C ...

Page 2: ...adio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consu...

Page 3: ...it and the susceptible equipment into different branch circuit Consult your dealer According to standard EN60601 1 2 and CISPR11 Class B Group 1 Caution When you dispose of the unit or accessories you must obey the laws in the relative area or country and the regulations in the relative hospital For the customers in the USA Lamp in this product contains mercury Disposal of these materials may be r...

Page 4: ...ion in which it will be used Guidance and manufacturer s declaration electromagnetic emissions The LMD DM30C DM20C is intended for use in the electromagnetic environment specified below The customer or the user of the LMD DM30C DM20C should assure that it is used in such an environment Emission test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 The LMD DM30C DM20C u...

Page 5: ... mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 sec 5 UT 95 dip in UT for 0 5 cycl...

Page 6: ...transmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection ...

Page 7: ...tter W Separation distance according to frequency of transmitter m 150 kHz to 80 MHz d 1 2 P 80 MHz to 800 MHz d 1 2 P 800 MHz to 2 5 GHz d 2 3 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the freque...

Page 8: ...arts and Controls 12 Front Panel 12 Rear Panel 13 Adjusting the Stand Height 14 Removing the Connector Cover 15 Connecting the Cables 15 Routing the Cables 16 Adjusting the LCD Panel Angle 17 Switching the LCD Panel Orientation 17 Displaying the Information Screen 18 Changing the Display Setting 19 Fixing the Display Orientation 19 Switching the Input Source 19 Switching Configuration Data 20 Oper...

Page 9: ...uck either always off black always on red green or blue or flashing In addition over a long period of use because of the physical characteristics of the liquid crystal display such stuck pixels may appear spontaneously This is not a malfunction Do not leave the LCD screen facing the sun as it can damage the LCD screen Take care when you place the unit by a window Do not push or scratch the LCD scr...

Page 10: ...e filter The surface is very delicate Do not rub or hit with hard objects Disposal of the Unit Do not dispose of the unit with general waste Do not include the unit with household waste The fluorescent tube includes mercury Dispose of the unit in accordance with the regulations of your local sanitation authority Recommendation to Use More Than One Unit As problems can occasionally occur with the u...

Page 11: ...uilt in to achieve highly accurate luminance and color uniformity across the screen Luminance uniformity and color unevenness are minimized in the final tune up prior to shipping Luminance stabilizer A built in circuit provides stable luminance for a long period Calibration capability With the optional calibration sensor and software luminance and gamma can be corrected automatically Use the optio...

Page 12: ...us c LCD luminance sensor Monitors the LCD luminance d Ambient light sensor Monitors the ambient light in the unit location LED Power Unit status Off OFF Power off Off ON Normal luminance stabilized Green ON Luminance stabilizer on Blinking green and amber alternately ON Calibrating Amber ON Standby Blinking amber ON Advanced power save mode Blinking amber twice ON Error detected Turn off the unit...

Page 13: ...e units connect the UP port 4 of each connected unit page 23 d UP USB upstream port When using the optional calibration kit connect this port to the computer Connect the supplied USB cable between this UP port and the computer s USB port page 23 e DIGITAL DVI input connector Connect the supplied DVI cable page 15 f DisplayPort connector Connect a commercially available DisplayPort cable page 15 g ...

Page 14: ... 5 Flip the tool down towards LOCK to lock Note For your safety make sure the tilt stand is locked after adjusting the stand height 6 Push the tool back in the storage hole in the tilt stand until it clicks into place The tool will be secured by a hook inside the tilt stand Notes Keep the tool in the storage hole so as not to lose it The orientation of the tool must be correct Check the orientatio...

Page 15: ...playPort cable between the unit s DisplayPort connector and the computer s DisplayPort connector Note The recommended cable length is 2 m 6 6 feet or less If you use a long cable the display may become unstable and flicker 3 Connect the supplied power cable between the AC IN socket and the wall outlet 4 Turn on the unit and the computer Note When using the optional calibration kit connect the supp...

Page 16: ...he tilt stand 2 Secure the cables along the groove at the rear of the tilt stand and put the cable cover back in place Follow steps 3 and 4 to attach the cable cover 3 Hook the cable cover with two hooks located at the bottom of the tilt stand 1 4 Fit on the hook located on the top of the cable cover and attach the cable cover 2 Hook Cable cover Tilt stand Hook Cable cover Tilt stand Hook ...

Page 17: ... the LCD panel with both hands and adjust the angle slowly Switching the LCD Panel Orientation The LCD panel is locked in portrait orientation when packed at the factory Follow the instructions below to switch the LCD panel orientation 1 Unlock the tilt stand For details how to unlock the tilt stand see page 14 2 Tilt the LCD panel upward 3 Lift the LCD panel to the top 70 70 17 3 ...

Page 18: ...k Disconnect the power cable and other connected cables before turning the LCD panel Displaying the Information Screen Press the or button on the rear panel of the unit so that the information screen appears Pressing either button repeatedly changes the display as follows Information t present operating state t display off The information screen automatically turns off after about 15 seconds Infor...

Page 19: ...g EDID settings 1 Press either the or button on the rear panel once The information screen appears 2 Press and hold the and buttons simultaneously for more than 2 seconds The SWITCHING EDID screen appears 3 Press either the or button to move the B cursor and select an EDID setting 4 Press the and button simultaneously for more than 2 seconds The information screen appears Example when Landscape is...

Page 20: ...detects the input signals Switch the input source after receiving the video signal from that source If the unit has one input source only the unit always selects that input source regardless of the setting Digital input The unit supports only digital signals It is normal for noise to occur during startup shutdown and or when switching resolutions This is a result of the graphics card in the system...

Page 21: ...itch on the front panel of the unit The SWITCHING CONFIGURATION screen appears Pressing the 1 standby switch repeatedly switches between the SWITCHING INPUT SOURCE and SWITCHING CONFIGURATION screen 4 Press either the or button to move the B cursor and select a configuration number r r 5 Press and hold the and buttons simultaneously for more than 2 seconds The information present state screen appe...

Page 22: ...lights up in green and the information screen appears You can change the following settings from the menu SWITCHING EDID Fixing the Display Orientation page 19 SWITCHING INPUT SOURCE Switching the Input Source page 19 SWITCHING CONFIGURATION Switching Configuration Data page 20 Note The power only turns on momentarily then the standby mode is entered If you happen to enter the standby mode during ...

Page 23: ...te the unit An optional calibration kit is required To calibrate multiple units in a chain To calibrate the unit Connect the supplied USB cable between the unit s UP USB upstream port and the computer s USB down USB downstream port For more information refer to the instruction manual for the calibration kit To calibrate multiple units in a chain Up to six units can be connected using the USB cable...

Page 24: ... TMDS Data 1 3 Shield 12 TMDS Data 3 13 TMDS Data 3 14 5 V Power 15 GND 16 Hot Plug Detect 17 TMDS Data 0 18 TMDS Data 0 19 TMDS Data 0 5 Shield 20 TMDS Data 5 21 TMDS Data 5 22 TMDS Clock Shield 23 TMDS Clock 24 TMDS Clock 8 24 1 17 Pin number Functions 1 ML_Lane 3 n 2 GND 3 ML_Lane 3 p 4 ML_Lane 2 n 5 GND 6 ML_Lane 2 p 7 ML_Lane 1 n 8 GND 9 ML_Lane 1 p 10 ML_Lane 0 n 11 GND 12 ML_Lane 0 p 13 CON...

Page 25: ...NSUPPORTED_TIMING appears on the menu screen if an unsupported signal is input Pin number Functions 1 VCC 2 DATA 3 DATA 4 GND LMD DM30C LMD DM20C Fv 60 Hz US TEXT 640 480 800 600 1024 768 1280 1024 1200 1600 1600 1200 US TEXT 640 480 800 600 1024 768 1280 1024 1200 1600 1600 1200 Fv 30 Hz 60 Hz 1536 2048 2048 1536 4 1 ...

Page 26: ...displayed properly The display resolution for a given input signal may not be appropriate for the specifications of the unit Refer to the computer instruction manual and adjust resolution When you turn off the unit while using the DisplayPort input the display becomes unstable Data is sent by the DisplayPort while the computer is running Do not turn off the unit while receiving a DisplayPort signa...

Page 27: ...hickness Sony is not liable for any damage or injury resulting from changing stands How to attach an arm stand 1 Place a soft cloth or cushioning material over a stable even surface 2 Put the LCD panel face down on the cushioning material 3 Remove the 4 screws using a cross head screwdriver then detach the tilt stand 4 Attach the arm stand to the LCD panel reversing the procedure above Do not try ...

Page 28: ...s LMD DM20C Landscape 1600 1200 pixels UXGA Portrait 1200 1600 pixels Aspect Landscape 4 3 Portrait 3 4 Pixel efficiency 99 99 Colors Approx 16 77 million colors out of 68 billion color Approx 1 0643 billion colors DisplayPort 10 bit input Backlight CCFL Standard luminance panel specifications Up down left right contrast 10 1 Factory default Input DVI D DVI D 1 LMD DM30C TMDS Dual link LMD DM20C T...

Page 29: ... Sales Companies Guide 1 Optional accessories Calibration Kit LMD KT10 Display Network Manager LMD SN10 Medical Specifications Protection against electric shock Class I Protection against harmful ingress of water Ordinary Degree of safety in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide Not suitable for use in the presence of a flammable anesthetic mixture...

Page 30: ...Dimensions 30 Dimensions Front portrait Side portrait Front landscape Side landscape Unit mm inches 367 14 1 2 521 9 20 5 8 583 4 23 220 8 3 4 474 18 3 4 468 4 18 1 2 529 9 20 7 8 95 5 3 7 8 38 7 1 9 16 ...

Page 31: ...Sony Corporation ...

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