Acer S2W 3300U Service Manual - Page 36

11 PHISP 12 OS 13 DG 14 NC 15 A15V 16 VCC 17 NC 18 DG 19 DG 20 NC 21 L12V 22 L12V CCD Sample signal CCD Output Signal Digital Power Ground No Connection Analog power +15V Digital power +5V No Connection Digital power ground Digital power ground No Connection Lamp +12V Lamp +12V Connector J5 on Scanner 3300U Main Board J5 is connected to the line motor to drive the stepping motor. Pin # 1 2 3 4 5 Signal name A AB B- LM15V Description Line motor pulse phase 1 of coil A Line motor pulse phase 1 of coil ALine motor pulse phase 1 of coil B Line motor pulse phase 1 of coil B- MOTOR POWER 5.9.3 CCD Board There are two connectors on the CCD board in 3300U Scanner. See figure 5-29. J1 FCC CONNECTOR J2 U5 CCD Figure 5-29