Samsung 943NWX service manual Service Adjustment Conditions

Page 36

4. Troubleshooting

4-5. Adjustment

4-5-1. Service Adjustment Conditions

1.Precautions before a Service Adjustment

1)Check whether the devices for the service adjustment are operating normally.

2)Secure a space that is sufficiently wide for disassembling the monitor.

3)Prepare a soft mat on which the monitor will be disassembled.

2.Entering Service Mode

Entering:

Exiting:

Menu Brightness 0

Power OFF Power ON

Contrast 0

 

 

 

Hold down the Enter button for five (5) seconds.

 

 

3.Basic Service Items to Perform after Replacing a Board

1)Check the PC color adjustment status.

2)Input DDC (input both of Analog and Digital).

3)Check whether the appropriate MCU code for the model is input.

4)Hard power the monitor off after entering service mode and performing a reset.

4.DDC EDIT Data Input

1)Use when updating the AD board code.

2)Download the WinDDC program, DDC Input program, and Hex and DDC files appropriate to the model through the Quality Control department of Samsung Electronics. Install the jig and input the data, as shown in the figure.

Monitor needing

adjustment

MTI-2031

DDC Manger

Parallel

Connector

(25P Cable)

Connect Monitor

(Signal Cable)

4-8

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Contents LCD-Monitor Contents CIS Disassembly and Assembly Simple Stand DisassemblyDescription Photo Description Photo Has Stand Disassembly Exploded View & Part List Simple Stand Exploded View LS19MYNKFZ/XBM1. LS19MYNKFZ/XBM Parts List 943NWX LS19MYNKFZ/XBM Parts List Service Bom SA Service AVAILABLE, SNA Service not AvailablePCB IC-EEPROMS-24CS08AFJ-TB Exploded View & Part List Clamper CORE-WIREALL MODEL,NYLON COVER-STAND FRONTLS19MYW,HIPS HB,BK26,S Precautions Safety PrecautionsProduct Safety Notices Servicing the LCD MonitorServicing Precautions Static Electricity PrecautionsGeneral Servicing Precautions Installation Precautions Memo Product specifications Feature & SpecificationsSpec Comparison to the Old Models Magic Color Color Effect Magic Bright3 Magic Tune PremiumAccessories Accessories Sold separatelyMemo Schematic Diagram Circuit DescriptionsSchematic Diagrams Scaler Part Schematic Diagrams Power FlowchartSE717M-LF Schematic Diagrams IP Board  Inverter Part Schematic Diagrams Main PBA Troubleshooting TroubleshootingWhen the Power Does Not Turn On Circuit diagrams when the power does not turn on When the screen is blank Analog When a blank screen is displayed Analog Waveforms when no screen is displayed Analog Error Examples and Actions Adjustment Service Adjustment ConditionsService Function Specifications  Checking the Code Version When replacing the panel  Inputting the DDC Data  Inputting the MCU Data Page Memo Wiring Diagram Wiring Diagram Main BoardWiring Diagram IP Board SE717M-LFConnector Functions CablesMemo