Xerox Phaser 3120 Service Manual page 81

SCHEMATIC DIAGRAMS
8.5 OTHER PBA Circuit Diagrams
R115 R116
1 3
OP101
ITR-8406S
2 4
Service Manual
8-18
3.3V
R117 R118
CON2-15(MANUAL)
CON2-26(EXIT)
1 3
OP102
ITR-8406S
2 4
35303-0550
1
2
3
4
5
CON4
CON2-24(FAN)
3.3V
C111
104
CON2-21(LED-ERROR)
CON2-22(LED-DATA)
CON2-23(KEY-DEMO)
24VS
CON3
3
D105 2
1
1N4003
35301-0350
R119
2.2K
Q101
KSC1008-Y
R120
5.6K