Text preview for : 03. Alignments and Adjustments.pdf part of Samsung syncmaster 920NW By Prem



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3 Alignments and Adjustments

3 Alignments and Adjustments
This section of the service manual explains how to use the RS232 JIG. This function is needed for AD board change.

3-1 Required Equipment
The following equipment is necessary for adjusting the monitor: Computer with Windows 95, Windows 98, Windows NT, Windows 2000, or Windows XP. MTI-2031 DDC MANAGER JIG

3-2 Automatic Color Adjustment
To Analog video, In 16gray or any pattern using black and white and any mode.(16gray and XGA mode recommend) 1. Push the OSD Menu button to open the OSD 2. Selectl language English 3. Push enter button during 5 seconds. 4. See the screen flashing

3-3 DDC EDID Data Input
1. Input DDC EDID data when replacing AD PCB. 2. Receive/Download the proper DDC file for the model from HQ quality control department. Install the below jig (Figure 1) and enter the data.

Monitor PC PC for JIG
Figure 1.

3-1

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3 Alignments and Adjustments

3-4 VGA EDID table
0 1 2 3 4 5 6 7 0 00 XX 11 01 13 51 79 00 1 FF XX 50 01 00 0E 6E XX 2 FF 01 54 01 52 00 63 XX 3 FF 03 BF 01 0E 0A 4D XX 4 FF 6C EF 01 11 20 61 XX 5 FF 22 80 01 00 20 73 XX 6 FF 1B 81 30 00 20 74 XX 7 00 78 80 2A 1E 20 65 XX 8 4C 2A 71 00 00 20 72 XX 9 2D DC 4F 98 00 20 0A XX A 2B 55 81 51 00 00 20 XX B 02 A3 40 00 FD 00 20 0A C XX 59 01 2A 00 00 00 20 D XX 48 01 40 38 FC 00 20 E XX 9E 01 30 4B 00 00 00 F XX 24 01 70 1E 53 FF CS

Details: Byte(Hex) 00-07(8 byte) 08--09 0A--0B 0C--0F 10 11 12 13 14 Field Name and Comments Head Information ID Manufacturer Name Product ID Code Last 5 Digits of Serial Number Week of Manufacture Year of Manufacture EDID Version Number EDID Revision Number Video Input Definition SAM 022B Used Notes1 Notes2 Notes3 1 3 Analog Signal 0.700,0.000(0.700Vpp) Separate Sync Composite Sync 34 27 2.2 Active Off Display Type = R/G/B Color Preferred Timing Mode Red X - 0.640, Red Y - 0.349, Green X - 0.284, Green Y - 0.617, Blue Y - 0.067, Blue X - 0.142, White X - 0.313, White Y - 0.329 720x400@70Hz 720x400@88Hz(no) 640x480@60Hz 640x480@67Hz 640x480@72Hz 640x480@75Hz 800x600@56Hz 800x600@60Hz Description EDID 00,FF,FF,FF, FF, FF, FF,00 4C,2D 2B,02 XX,XX,XX,XX XX XX 01 03 6C

15 16 17 18

Max Horizontal Image Size (cm) Max Vertical Image Size (cm) Display Gamma Power Management and Supported Feature(s)

22 1B 78 2A

19-22 (10 byte) Chroma Info

DC,55,A3,59, 48,9E, 24,11, 50,54

23

Established Timing I

BF

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3 Alignments and Adjustments Byte(Hex) 24 Field Name and Comments Established Timing II Description 800x600@72Hz 800x600@75Hz 832x624@75Hz 1024x768@87Hz (no) 1024x768@60Hz 1024x768@70Hz 1024x768@75Hz 1280x1024@75Hz Support 1280x1024@60Hz81,8071,4F 1152x864@75Hz 1280x960@60Hz Not Used Not Used Not Used Not Used Not Used 1280X1024@60HZ Pixel Clock:108.00MHZ EDID EF

25 Manufacturers Reserved Timings 26-35 (16 byte) Standard Timing Identification

80 81,80 81,40 01,01 01,01 01,01 01,01 01,01 30,2A,00,98, 51,00,2A,40, 30,70,13,00, 52,0E,11,00, 00,1E 38 4B 1E 51 0E 00 53,79,6E,63, 4D,61,73,74, 65,72 XX,XX--XX,XX 00 CS

36--47 (18 byte) Detailed Timing / Descriptor Block 1

48-59 (18 byte) Detailed Timing / Descriptor Block 2

Monitor Range Limits: Min Vertical Freq - 56 Hz Max Vertical Freq - 75 Hz Min Horiz. Freq - 30 KHz Max Horiz. Freq - 81 KHz Pixel Clock - 140 MHz Secondary GTF - Not Supported

5A-6B (18 byte) Detailed Timing / Descriptor Block 3 6C-7D (18 byte) Detailed Timing / Descriptor Block 4 7E Extension flag 7F Checksum Remark: Notes1: Notes2: Notes3: Notes4:

Monitor Name: SyncMaster Serial Number: Notes4

Get SerialNumber(10----14Digit) from BarCode and transfer it to HEX Week(1---53), Year , HEX(Year-1990) , Get Barcode(5----14Digit), and save as ASCII 3-3

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3 Alignments and Adjustments

3-5 How to execute DDC
1. Install Analog DVI EDID Tool Program 2. Click the Analog DVI EDID Tool icon. 3. Select mode The password is 1234. Select the manufacture is Venus and the model name is Venus 17.

4.Setting The password is 1234. Select the port1and the SN Leng is 22. Save the change.

5. Select Write-Auto Write The SN number is a 22 random numbers.

3-4

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3 Alignments and Adjustments 6. Write DDC ok.

3-5 How to execute MCU Code
1. Set the options. -. Manufacture: MSTAR -. Device Type: TSUM16_ROM128K_ext_flash -. Communication Port: DSUB15 (Analog) -. External Memory: PM25LV010E

2. Click 'Connect File' button, and select the MCU code.

3. Click 'Read File' button, and select the MCU code.

3-5

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3 Alignments and Adjustments 4. Click 'Auto Program' button.

5. If Program and Verify is OK, turn off the hard power and than turn on again.

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