Sony NWZA816P Service Manual - Page 38

NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No. Pin Name I/O Description AC25 IO_C - Not used AC26 OSCOUT O Sub system clock output terminal (32.768kHz) AD1 NC - Not used AD2, AD3 BDID1, BDID0 - Not used AD4 XHOLD_KEY I Key hold on/off signal input from the hold switch AD5 KEY_WAKE I Wake up control signal input terminal AD6 NC - Not used AD7 SPI0_CSZ2 O I2C mode : Address signal output to the D/A converter SPI mode : Chip select signal output to the D/A converter AD8 VDD_L1 - Power supply terminal AD9 IO_C - Not used AD10 to AD13 NC - Not used AD14 AVDD_LPLL - Power supply terminal AD15 AVDD_HPLL - Power supply terminal AD16 NC - Not used AD17 BKBAT I Battery voltage detection input terminal AD18 IO_A - Not used AD19 NC - Not used AD20 USB_PWRCTL O USB power control signal output terminal AD21 GND2 - Ground terminal AD22 PM0_SI I Serial audio date input from the D/A converter AD23 LCD_PWM1 O PWM signal output to the LCD back light driver AD24 NC - Not used AD25 GND3 - Ground terminal AD26, AE1, AE2 NC - Not used AE3 DD2VFBK I Power supply voltage feedback terminal AE4 DD2VFBSW O Power supply voltage output terminal AE5 DD2GNDA - Ground terminal AE6 DD2INA I Power supply voltage input terminal AE7 VDD_L0 - Power supply terminal AE8 VDD_L1 - Power supply terminal AE9 IO_C - Not used AE10, AE11 NC - Not used AE12 DD1INA I Power supply voltage input terminal AE13 IO_B - Not used AE14 AVDD_LPLL - Power supply terminal AE15 AVDD_HPLL - Power supply terminal AE16 GND - Ground terminal AE17 DD1VFBK I Power supply voltage feedback terminal AE18 VDD_DSP - Power supply terminal AE19 IO_A - Not used AE20 VGP12IN I Power supply voltage input terminal AE21 VGP3IN I Power supply voltage input terminal AE22 VGP4 O Power supply voltage output terminal AE23 VGP5 O Power supply voltage output terminal 38