Samsung LEF22VS, Service Manual

Page: 41 / 53

4-14
4. Troubleshooting
4-7. Adjustment
4-7-1. 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