Sharp GX20 Service Manual - Page 132
Ic831, Pin No. Voltage, Ic881, Ic901, Ic991, Ic992, Ic993
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Page 132 highlights
GX20 CONFIDENTIAL IC831 PIN NO. VOLTAGE 1 A 2 0V 0.19V 3 3.89V 4 0V 5 0V 6 3.89V 7 2.95V 8 0V 9 0V B IC881 PIN NO. VOLTAGE 1 0.19V 2 0.24V 3 0.24V 4 1.3V C 5 0.24V 6 0.24V 7 0.24V 8 2.95V 9 1.3V 10 1.3V 11 0V 12 1.23V D 13 1.3V 14 0V 15 0.24V 16 0.19V E F G H IC901 PIN NO. VOLTAGE 1 0V 2 2.94V 3 0V 4 0V 5 0V 6 0V 7 0V 8 0V 9 0V 10 0.14V 11 0.14V 12 0V 13 2.94V 14 0V 15 0.41V 16 2.95V 17 0.21V 18 2.95V 19 0V 20 0.5V 21 0.5V 22 0.5V 23 0.5V 24 0.5V 25 0.5V 26 0.5V 27 0.5V 28 2.89V 29 0V 30 2.89V 31 2.89V 32 2.89V 33 1.57V 34 0V 35 0V 36 0V 37 0V 38 0V 39 0V 40 0V 41 2.9V 42 2.75V 43 0V 44 1.25V 45 0V 46 2.9V 47 2.95V 48 0V 49 0.73V 50 0.73V 51 0V 52 2.74V 53 2.74V 54 2.74V 55 2.74V 56 2.95V IC991 PIN NO. VOLTAGE 1 0V 2 0V 3 2.94V 4 0V 5 0V 6 0V 7 2.94V 8 2.94V IC992 PIN NO. VOLTAGE 1 0V 2 0V 3 0V 4 0V 5 2.94V 6 0V 7 0V 8 2.94V IC993 PIN NO. VOLTAGE 1 0V 2 2.94V 3 0V 4 0V 5 0V 6 0V 7 0V 8 2.94V NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. 1 2 3 4 5 6 5 - 36