Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Monitor Monitor LXB550
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download LXB550 documenatation <<
Text preview - extract from the document
12 Schematic Diagrams
12-1 DAC & IO Part Schematic Diagram
20
19
1 18
7
9
8
Power Line
Signal Line
12-1 SyncMaster 33*TFT/53*TFT
12 Schematic Diagrams
Table 12-1. IC102 Table 12-2. IC103 Table 12-3. IC107
pin # MODES MODES MODES
pin #
pin #
1024 x 768 / 85 Hz 1024 x 768 / 85 Hz 1024 x 768 / 85 Hz
1 12 1 12 1 12
2 GND 2 GND 2 5
3 5 3 5 3 GND
4 5
Unit: Vrms Unit: Vrms 5 GND
Unit: Vrms
Table 12-4. IC108 Table 12-5. IC109 1 IC110 #3
MODES MODES
pin #
pin #
1024 x 768 / 85 Hz 1024 x 768 / 85 Hz
1 12 1 12
2 3.3 2 GND
3 GND 3 5
CH1 RMS = 3.6 V
4 3.3
5 GND Unit: Vrms
Unit: Vrms
7 IC101 #94 8 IC105 #10 9 IC104, #1
CH1 RMS = 3.5 V CH1 RMS = 3.1 V CH1 RMS = 4.56 V
18 IC110 #13 19 IC110 #14 20 IC110 #2
CH1 RMS = 1.24 V CH1 RMS = 400 mV CH1 RMS = 4.4 V
SyncMaster 33*TFT/53*TFT 12-2
12 Schematic Diagrams
12-2 ZOOM & FRC Part Schematic Diagram
2 5
3
4
16
6
15
17
12 13 14
10
11
Power Line
Signal Line
12-3 SyncMaster 33*TFT/53*TFT
12 Schematic Diagrams
Table 12-6. IC309 2 IC310 #22 3 IC310 #23
pin # MODES
1024 x 768 / 85 Hz
1 11.96
2 5.90
3 4.99
CH1 RMS = 3.1 V CH1 RMS = 2.3 V
4 5.8 mV
5 4.99
6 4.99
7 11.95
8 11.95
Unit: Vrms
4 IC310 #25 5 IC310 #26 6 CN301 #5~20
CH1 RMS = 2.8 V CH1 RMS = 2.12 V CH1 RMS = 1.18 V
10 IC301 #2 11 IC301 #3 12 IC301 #54
CH1 RMS = 2.3 V CH1 RMS = 3.25 V CH1 RMS = 2.35 V
13 IC301, #55 14 IC301 #56 15 IC307 #12
CH1 RMS = 200 mV CH1 RMS = 50 mV CH1 RMS = 2.2 V
16 IC307 #5 17 IC307 #10
CH1 RMS = 1.7 V CH1 RMS = 4.3 V
SyncMaster 33*TFT/53*TFT 12-4
12 Schematic Diagrams
12-3 Micom Part Schematic Diagram
Table 12-7. IC401
MODES MODES
pin #
pin #
1024 x 768 / 85 Hz 1024 x 768 / 85 Hz
1 59.8 mV 22 3.44
2 5 23 GND
3 5 24 4.16
4 5 25 5.01
5 4.62 26 4.97
6 0.457 27 4.46
7 4.91 28 4.43
8 5 29 4.78
9 GND 30 4.77
10 5.03 31 14.07
11 5.02 32 2.226
12 5.02 33 2.238
13 NC 34 5.03
14 NC 35 5.03
15 4.94 36 4.96
16 93.7 mV 37 4.96
17 3.217 38 52.7 mV
18 4.97 39 4.96
19 5.01 40 4.87
20 63.0 mV 41 GND
21 0.476 42 9.7 mV
Unit: Vrms
Table 12-8. IC403
MODES
pin #
1024 x 768 / 85 Hz
1 NC
2 NC
3 NC
4 GND
5 4.43
6 4.46
7 4.87
8 5.03
Unit: Vrms
Table 12-9. IC404
MODES
pin #
1024 x 768 / 85 Hz
1 GND
2 GND
3 GND
4 GND
5 5.03
6 5.03
7 GND
8 5.03
Unit: Vrms
Power Line
12-5 SyncMaster 33*TFT/53*TFT
12 Schematic Diagrams
12-4 Sub Part Schematic Diagram
Table 12-10. IC803
MODES
pin #
1024 x 768 / 85 Hz
1 GND
2 GND
3 Signal (+2.5 V Bias)
4 5
5 Signal (+2.5 V Bias)
6 Input Signal (+2.5 V Bias)
7 GND
8 2.5
9 2.5
10 2.5
11 Input Signal (+2.5 V Bias)
12 Signal (+2.5 V Bias)
13 5
14 Signal (+2.5 V Bias)
15 GND
16 2.5 V (Headphone : 5 V)
Unit: Vrms
SyncMaster 33*TFT/53*TFT 12-6
12 Schematic Diagrams
Memo
12-7 SyncMaster 33*TFT/53*TFT
◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo