Samsung SyncMaster 700s Plus - Page 71

13 Schematic Diagrams
CKG7507L 13-6
1
2
3
4
5
6
7
8
3.2
2.5
0.2
1.4
GND
9.1
14.8
5
1.8
2.5
0
1.8
GND
4
14.7
5
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-10. IC402 (KA3883)
Unit: Vrms
1
2
3
4
5
6
7
8
3.9
2.9
2.9
GND
5.6
5.9
0
12
5.4
2.8
2.8
GND
5.7
5.9
0
11.7
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-12. IC502 (LM358N)
Unit: Vrms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
4.8
4.8
1.7
0.2
0.9
3.5
GND
12
6.5
6.5
12
12
0
4.9
5.5
4.9
4.8
4.8
2.4
0.1
1.3
3.4
GND
12.1
4.1
4.1
12.1
12.1
0
4.9
5.6
4.9
pin # pin #
MODES MODES
1024 x 768 / 85 Hz 1024 x 768 / 85 Hz640 x 480 / 60 Hz 640 x 480 / 60 Hz
Table 13-11. IC501 (KA7500)
Unit: Vrms
1.00 V (IC402, #3)
CH1 P-P = 1.00 V CH1 RMS = 236 mV
13
140 V (Q403, Collector)
CH1 P-P = 140 V CH1 RMS = 52.7 V
17
15.8 V (Q411, Gate)
CH1 P-P = 15.8 V CH1 RMS = 8.37 V
14
11.0 V (Q406, Base)
CH1 P-P = 11.0 V CH1 RMS = 1.60 V
18
138 V (Q411, Drain)
CH1 P-P = 138 V CH1 RMS = 65.2 V
15
1.096 kV (Q406, Collector)
CH1 P-P = 1.096 kV CH1 RMS = 348.4 V
19
2.48 V (IC402, #4)
CH1 P-P = 2.48 V CH1 RMS = 1.464 V
12
30.0 V (T402, #10)
CH1 P-P = 30.0 V CH1 RMS = 8.40 V
16
64 V (Q409, Drain)
CH1 P-P = 64 V CH1 RMS = 126.1 V
20
760 mV (IC501, #5)
CH1 P-P = 760 mV CH1 RMS = 860 mV
21
13.68 V (Q504, Gate)
CH1 P-P = 13.68 V CH1 RMS = 6.100 V
22
162 V (Q504, Drain)
CH1 P-P = 162 V CH1 RMS = 67.1 V
23
8.96 V (Q505, Base)
CH1 P-P = 8.96 V CH1 RMS = 5.344 V
24
5.76 V (Q503, Base)
CH1 P-P = 5.76 V CH1 RMS = 1.516 V
25
160 V (Q514, Collector)
CH1 P-P = 160 V CH1 RMS = 69.1 V
29
856 V (Q503, Collector)
CH1 P-P = 856 V CH1 RMS = 251.2 V
26
6.08 V (IC502, #1)
CH1 P-P = 6.08 V CH1 RMS = 4.440 V
27
312 V (T503, #1)
CH1 P-P = 312 V CH1 RMS = 96.2 V
28