Xerox Phaser 3120 specifications Other PBA Circuit Diagrams

SCHEMATIC DIAGRAMS

8.5 OTHER PBA Circuit Diagrams

3.3V

R115 R116 R117 R118

	24VS	CON3
D105		3
		2
1N4003		1

150	47K
1	3
OP101
ITR-8406S 2	4

150	47K		CON2-15(MANUAL)
			CON2-26(EXIT)
	1	3
			OP102
	2	4	ITR-8406S

	35301-0350
	R119
CON2-24(FAN)	2.2K
	Q101
	KSC1008-Y
	R120
	5.6K

	3.3V
35303-0550	C111
1	104
2	CON2-21(LED-ERROR)
3
4	CON2-22(LED-DATA)
5
	CON2-23(KEY-DEMO)
CON4

8-18Service Manual