SAMSUNG PG17HS
Service Manual

10 Schematic Diagrams
Table 10-1. IC201 (ST72E75)
pin # MODES 31 kHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 5.05 0 2.18 3.84 NC 2.32 0 NC GND 5.05 5 5 5 5 5 5 NC 4.73 NC 0 0.6 68 kHz 5.05 0 2.18 4.12 NC 2.32 0 NC GND 5.05 5 5 5 5 0 5 NC 4.62 NC 0 0.36 91 kHz 5.05 0 2.18 4.23 NC 2.31 0 NC GND 5.04 5 5 5 5 5 5 NC 4.63 NC 0 0.46 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 31 kHz 5 GND 4.06 5 0 5 5 5 5 0 2.34 2.22 0 12 12 12 12 12 5 GND 2.05 MODES 68 kHz 5.03 GND 2.75 5 0 5 5 5 5 0 2.33 2.22 0 0 0 12 12 0 5 GND 2.62 91 kHz 5.03 GND 3.77 5 0 5 5 5 5 0 2.28 2.24 0 0 0 0 0 0 5 GND 2.62 15 3.42 V (IC201, #33) 16 3.16 V (IC201, #32)

CH1 P-P = 3.42 V

CH1 RMS = 2.500 V

CH1 P-P = 3.16 V

CH1 RMS = 2.560 V

Unit: Vrms

Table 10-2. IC251 (SAM9222G)
MODES 31 kHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0.61 0 0.17 4.83 3.28 6.41 4.01 1.55 1.55 3.37 GND 0 8.05 8.09 2.74 3.27 68 kHz 0.36 0 0.16 4.82 2.69 6.41 4.0 3.39 3.39 3.3 GND 0 8.04 8.03 2.83 3.26 91 kHz 0.46 0 0.17 4.82 2.31 6.4 3.99 4.5 4.5 3.29 GND 0 8.04 8.0 2.78 3.24 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 31 kHz GND 5.56 GND 5.46 8.15 3.56 3.56 3.16 2.02 5.06 GND 3.63 12.02 5.03 5.03 5.04 MODES 68 kHz GND 5.54 GND 5.24 8.16 3.56 3.56 3.05 2.01 5.11 GND 2.49 12.02 5.03 5.03 5.03 91 kHz GND 5.54 GND 5.24 8.16 3.56 3.56 3.05 2.01 5.38 GND 3.69 12.02 5.03 5.03 5.03

Unit: Vrms

PG17**/PG19**/PG21**

pin #

10-4