Samsung SyncMaster 1000s Service Manual page 85

Table 13-1. IC201 (ST72E75)
MODES
31 kHz 68 kHz 96 kHz
1 0.25 0.25 0.25 22
2 0.25 0.25 0.25 23
3 0.91 1.38 1.37 24
4 0.76 3.10 4.47 25
5 2.70 3.08 3.08 26
6 2.56 2.50 2.50 27
7 0.25 0.25 0.25 28
8 4.93 4.93 4.93 29
9 GND GND GND 30
10 4.96 4.94 4.94 31
11 4.95 4.94 4.94 32
12 4.95 4.95 4.95 33
13 NC NC NC 34
14 NC NC NC 35
15 4.35 0 0 36
16 0.11 0.12 0.17 37
17 0 0 0 38
18 4.99 4.98 4.84 39
19 4.95 4.95 4.95 40
20 0.02 0 0 41
21 0.59 0.36 0.38 42
Unit: Vrms 11; Right: 3.4 V, Left: 2.5 V, Down: 1.5 V, Up: 0.7 V
12; S/W: 3.2 V, Menu: 2.4 V, Exit: 1.4 V
Table 13-2. IC403 (TDA9110)
MODES
31 kHz 68 kHz 96 kHz
1 0.59 0.36 0.38 17
2 0.03 0.02 0.02 18
3 0.09 0.09 0.09 19
4 3.28 3.26 3.26 20
5 3.20 2.51 2.16 21
6 6.33 6.32 6.32 22
7 3.97 3.95 3.94 23
8 1.52 3.34 4.72 24
9 1.52 3.34 4.72 25
10 3.41 3.16 3.16 26
11 GND GND GND 27
12 –0.04 –0.12 –0.22 28
13 7.94 7.94 7.94 29
14 7.98 7.92 7.89 30
15 3.14 2.78 3.3 31
16 3.26 3.23 3.22 32
Unit: Vrms
SyncMaster 1000s (CGP1607L)
MODES
31 kHz 68 kHz 96 kHz
4.00 3.70 3.77
GND GND GND
3.85 0.32 4.03
4.95 4.95 4.95
0 0 0
4.95 4.94 4.94
4.95 4.94 4.94
4.95 4.94 4.94
4.95 4.93 4.93
0.06 0.06 0.06
2.28 2.28 2.28
2.21 2.21 2.21
4.91 4.91 4.91
4.92 4.92 4.92
12.01 0.06 0.06
12.01 0.06 0.06
9.65 9.66 0.06
12.01 0.06 0.06
4.96 4.96 4.96
GND 0 0
5.08 4.74 4.74
MODES
31 kHz 68 kHz 96 kHz
GND 0 0
12.03 12.03 12.03
GND 0 0
5.38 5.16 5.12
8.04 8.04 8.04
3.50 3.50 3.50
3.55 3.52 3.51
3.10 3.11 3.11
0 0 0
5.79 5.68 5.60
GND 0 0
1.64 0.84 0.65
12.03 12.03 12.03
4.91 4.91 4.91
4.91 4.91 4.91
4.95 4.95 4.95
19 44.4 V (Q501, Drain) 20 928 V (Q502, Emitter)
CH1 P-P = 44.4 V CH1 RMS = 26.0 V CH1 P-P = 928 V CH1 RMS = 250 V
23 58.4 V (Q510, Emitter) 24 616 V (T502, FOCUS #13)
CH1 P-P = 58.4 V CH1 RMS = 38.7 V CH1 P-P = 616 V CH1 RMS = 308 V
27 216 V (T402, #6) 28 51.6 V (Q406, Drain)
CH1 P-P = 216 V CH1 RMS = 151 V CH1 P-P = 51.6 V CH1 RMS = 22.6 V
31 160 V (Q507, Collector) 45 212 V (Q502, Base)
CH1 P-P = 160 V CH1 RMS = 159 V CH1 P-P = 212 V CH1 RMS = 245.2 V
13 Schematic Diagrams
21 210 V (Q503, Drain) 22 13.6 V (Q503, Gate)
CH1 P-P = 210 V CH1 RMS = 109.6 V CH1 P-P = 13.6 V CH1 RMS = 5.3 V
25 4.24 V (IC401, #4) 26 13.28 V (IC401, #6)
CH1 P-P = 4.24 V CH1 RMS = 1.76 V CH1 P-P = 13.28 V CH1 RMS = 7.5 V
29 1.160 kV (Q407, Collector) 30 78 V (L406, #3)
CH1 P-P = 1.160 kV CH1 RMS = 300 V CH1 P-P = 78 V CH1 RMS = 126.1 V
46 3.62 V (T502, #8) 47 606 V (T504, #1)
CH1 P-P = 3.62 V CH1 RMS = 3.330 V CH1 P-P = 606 V CH1 RMS = 279.4 V
13-4