IPhone6触摸供电电路时序

兰德手机维修培训学校www.szlande.com教你维修

1：显示触摸电源IC U1501 A1#输出PP5V1_GRAPE_VDDH 5.1V到触摸IC U2401 C8#、E2#、E3#输出PN5V7_SAGE_AVDDN-5.7V到U2402 G2#,A4#输出PP5V7_SAGE_AVDDH5.7到U2402 D2#、D4#、F3#、G3#,A4#通过C2438输出PP_SAGE_VBST_OUTH 14V到U2402 A2#、B1#;

2：电源IC  U1202 P6#、R6#输出PP1V8_GRAPE 1.8V到U2401 A1#、F4#、C5#、C3#、C6#、P5#、N5#输出SAGE_TO_TOUCH_VCPL_RFE参考电压通过R2009到U2402F2#;

3:液晶接口J2019 24#输出SAGE_TO_TOUCH_VCPH_PFE参考电压通过R2008到U2402 B2#,J2019 22#输出SAGE_TO_TOUCH_VCPL_RFE参考电压通过R2009到U2401 F2#;

4：触摸接口J2401 35#输出PN_SAGE_TO_TOUCH_VCPL-12V通过R2411、FL2486到U2402 G1#,触摸接口J2401 36#输出PP_SAGE_TO_TOUCH_VCPH 13.5V通过R2412到U2402 A3#;