Samsung LXB550 Schematic

Page 1
12-1 SyncMaster 33*TFT/53*TFT
12 Schematic Diagrams
12-1 DAC & IO Part Schematic Diagram
20
1
18
19
7
9
8
Power Line
Page 2
12 Schematic Diagrams
SyncMaster 33*TFT/53*TFT 12-2
1 2 3 4 5
12
3.3
GND
3.3
GND
pin #
MODES
1024 x 768 / 85 Hz
Table 12-4. IC108
Unit: Vrms
1 2 3 4 5
12
5
GND
5
GND
pin #
MODES
1024 x 768 / 85 Hz
Table 12-3. IC107
Unit: Vrms
1 2 3
12
GND
5
pin #
MODES
1024 x 768 / 85 Hz
Table 12-1. IC102
Unit: Vrms
1 2 3
12
GND
5
pin #
MODES
1024 x 768 / 85 Hz
Table 12-5. IC109
Unit: Vrms
1 2 3
12
GND
5
pin #
MODES
1024 x 768 / 85 Hz
Table 12-2. IC103
Unit: Vrms
7
IC101 #94
CH1 RMS = 3.5 V
8
IC105 #10
CH1 RMS = 3.1 V
9
IC104, #1
CH1 RMS = 4.56 V
18
IC110 #13
CH1 RMS = 1.24 V
19
IC110 #14
CH1 RMS = 400 mV
20
IC110 #2
CH1 RMS = 4.4 V
1
IC110 #3
CH1 RMS = 3.6 V
Page 3
12-2 ZOOM & FRC Part Schematic Diagram
12 Schematic Diagrams
12-3 SyncMaster 33*TFT/53*TFT
16
15
17
10
11
12 13 14
2
3
4
5
6
Power Line
Page 4
12 Schematic Diagrams
SyncMaster 33*TFT/53*TFT 12-4
1 2 3 4 5 6 7 8
11.96
5.90
4.99
5.8 mV
4.99
4.99
11.95
11.95
pin #
MODES
1024 x 768 / 85 Hz
Table 12-6. IC309
Unit: Vrms
2
IC310 #22
CH1 RMS = 3.1 V
3
IC310 #23
CH1 RMS = 2.3 V
4
IC310 #25
CH1 RMS = 2.8 V
5
IC310 #26
CH1 RMS = 2.12 V
6
CN301 #5~20
CH1 RMS = 1.18 V
10
IC301 #2
CH1 RMS = 2.3 V
11
IC301 #3
CH1 RMS = 3.25 V
12
IC301 #54
CH1 RMS = 2.35 V
13
IC301, #55
CH1 RMS = 200 mV
14
IC301 #56
CH1 RMS = 50 mV
15
IC307 #12
CH1 RMS = 2.2 V
16
IC307 #5
CH1 RMS = 1.7 V
17
IC307 #10
CH1 RMS = 4.3 V
Page 5
12-3 Micom Part Schematic Diagram
12 Schematic Diagrams
12-5 SyncMaster 33*TFT/53*TFT
1 2 3 4 5 6 7 8
NC NC NC
GND
4.43
4.46
4.87
5.03
pin #
MODES
1024 x 768 / 85 Hz
Table 12-8. IC403
Unit: Vrms
1 2 3 4 5 6 7 8
GND GND GND GND
5.03
5.03
GND
5.03
pin #
MODES
1024 x 768 / 85 Hz
Table 12-9. IC404
Unit: Vrms
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18 19 20 21
59.8 mV 5 5 5
4.62
0.457
4.91 5
GND
5.03
5.02
5.02
NC NC
4.94
93.7 mV
3.217
4.97
5.01
63.0 mV
0.476
3.44
GND
4.16
5.01
4.97
4.46
4.43
4.78
4.77
14.07
2.226
2.238
5.03
5.03
4.96
4.96
52.7 mV
4.96
4.87
GND
9.7 mV
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
pin #
pin #
MODES
1024 x 768 / 85 Hz 1024 x 768 / 85 Hz
MODES
Table 12-7. IC401
Unit: Vrms
Power Line
Page 6
12-4 Sub Part Schematic Diagram
12 Schematic Diagrams
SyncMaster 33*TFT/53*TFT 12-6
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
GND GND
Signal (+2.5 V Bias)
5
Signal (+2.5 V Bias)
Input Signal (+2.5 V Bias)
GND
2.5
2.5
2.5
Input Signal (+2.5 V Bias)
Signal (+2.5 V Bias)
5
Signal (+2.5 V Bias)
GND
2.5 V (Headphone : 5 V)
pin #
MODES
1024 x 768 / 85 Hz
Table 12-10. IC803
Unit: Vrms
Page 7
12 Schematic Diagrams
12-7 SyncMaster 33*TFT/53*TFT
Memo
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