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4-11
4. Troubleshooting
4-6. Adjustment
4-6-1. Service Adjustment Conditions
Precautions before a Service Adjustment
1.
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.
Entering Service Mode
2.
Entering:
Menu
Brightness 0
Contrast 0
Hold down the Enter button for five (5) seconds.
Exiting:
Power OFF
Power ON
Basic Service Items to Perform after Replacing a Board
3.
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.
DDC EDIT Data Input
4.
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
Parallel
Connector
(25P Cable)
Connect Monitor
(Signal Cable)
MTI-2031
DDC Manger
Summary of Contents for SyncMaster EX2220
Page 5: ...3 2 3 Disassembly and Assembly Description Photo Screws 3 Turn the monitor over again ...
Page 17: ...1 4 1 Precautions Memo ...
Page 21: ...2 4 2 Product specifications Memo ...
Page 24: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams when the power does not turn on ...
Page 26: ...4 5 4 Troubleshooting 4 3 1 When a blank screen is displayed Analog ...
Page 27: ...4 6 4 Troubleshooting 4 3 2 Waveforms when no screen is displayed Analog ...
Page 29: ...4 8 4 Troubleshooting 4 4 1 Circuit diagrams when a blank screen is displayed Digital ...
Page 30: ...4 9 4 Troubleshooting 4 4 2 Waveforms when a blank screen is displayed Digital ...
Page 40: ...6 1 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram Main Board ...
Page 41: ...6 2 6 Wiring Diagram 6 2 Wiring Diagram IP Board ...
Page 43: ...6 4 6 Wiring Diagram Memo ...