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12 Schematic Diagrams
12-1 DAC & IO Part Schematic Diagram

20

1

18

19

7

9

8

Power Line Signal Line

12-1

SyncMaster 33*TFT/53*TFT

12 Schematic Diagrams
Table 12-1. IC102
pin # MODES 1024 x 768 / 85 Hz 12 GND 5

Table 12-2. IC103
pin # MODES 1024 x 768 / 85 Hz 12 GND 5

Table 12-3. IC107
pin # MODES 1024 x 768 / 85 Hz 12 5 GND 5 GND

1 2 3

1 2 3

Unit: Vrms

Unit: Vrms

1 2 3 4 5

Unit: Vrms

Table 12-4. IC108
pin # MODES 1024 x 768 / 85 Hz 12 3.3 GND 3.3 GND

Table 12-5. IC109
pin # MODES 1024 x 768 / 85 Hz 12 GND 5

1 IC110 #3

1 2 3 4 5

1 2 3

CH1 RMS = 3.6 V

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 16

3

5 4

15

6 17

12 13 14 10 11

Power Line Signal Line
12-3 SyncMaster 33*TFT/53*TFT

12 Schematic Diagrams
Table 12-6. IC309
pin # MODES 1024 x 768 / 85 Hz 11.96 5.90 4.99 5.8 mV 4.99 4.99 11.95 11.95 2 IC310 #22 3 IC310 #23

1 2 3 4 5 6 7 8

CH1 RMS = 3.1 V

CH1 RMS = 2.3 V

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
pin # pin # MODES 1024 x 768 / 85 Hz 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 MODES 1024 x 768 / 85 Hz 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Unit: Vrms Table 12-8. IC403
pin # MODES 1024 x 768 / 85 Hz NC NC NC GND 4.43 4.46 4.87 5.03

1 2 3 4 5 6 7 8

Unit: Vrms

Table 12-9. IC404
pin # MODES 1024 x 768 / 85 Hz GND GND GND GND 5.03 5.03 GND 5.03

1 2 3 4 5 6 7 8

Unit: Vrms

Power Line

12-5

SyncMaster 33*TFT/53*TFT

12 Schematic Diagrams

12-4 Sub Part Schematic Diagram
Table 12-10. IC803
pin # MODES 1024 x 768 / 85 Hz

1 GND 2 GND Signal (+2.5 V Bias) 3 4 5 5 Signal (+2.5 V Bias) 6 Input Signal (+2.5 V Bias) 7 GND 2.5 8 9 2.5 10 2.5 11 Input Signal (+2.5 V Bias) Signal (+2.5 V Bias) 12 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