Samsung SyncMaster 1000s Service Manual page 87

Table 13-3. IC401 (KA3843B)
MODES
31 kHz 68 kHz 93 kHz
1 3.78 3.03 2.81
2 2.49 2.49 2.49
3 0.87 0.51 0.32
4 1.59 1.42 1.49
5 GND GND GND
6 2.30 4.61 6.29
7 11.85 11.85 11.85
8 4.96 4.96 4.96
Unit: Vrms
Table 13-4. IC402 (TDA2006)
MODES
31 kHz 68 kHz 96 kHz
1 0.76 3.09 4.45
2 0.76 3.10 4.47
3 –12.04 –12.49 –12.49
4 –4.11 0.41 3.05
5 12.03 12.03 12.03
Unit: Vrms
SyncMaster 1000s (CGP1607L)
Table 13-5. IC501 (TL494)
MODES
31 kHz 68 kHz 96 kHz
1 4.92 4.92 4.92
2 4.92 4.92 4.92
3 1.48 1.35 1.31
4 0 0 0
5 0.01 0.63 0.61
6 3.51 3.51 3.51
7 GND GND GND
8 12.00 12.00 12.00
9 3.19 4.03 4.67
10 3.19 4.03 4.67
11 12.00 12.00 12.00
12 12.00 12.00 12.00
13 GND GND GND
14 4.92 4.92 4.92
15 7.03 7.15 7.20
16 4.92 4.92 4.92
Unit: Vrms
1 436 V (IC701, Source) 2 552 V (IC601, #1))
CH1 P-P = 436 V CH1 RMS = 295 V CH1 P-P = 552 V CH1 RMS = 323 V
5 42.4 V (Q604, Drain)
CH1 P-P = 42.4 V CH1 RMS = 15.3 V
13 Schematic Diagrams
3 10.24 V (IC601, #4) 4 10.24 V (IC601, #8)
CH1 P-P = 10.24 V CH1 RMS = 1.2 V CH1 P-P = 10.24 V CH1 RMS = 0.8 V
13-6