Sony D-NE20 Service Manual

Also see for Atrac CD Walkman D-NE20LS: Operating instructions Service manual

23D-NE20/NE20LSPin No. Pin Name I/O Description51 SDA11 O Address bus to SDRAM52 SDA10 O Address bus to SDRAM53 VDIOSD2 – Power supply terminal (+2.1V)54 VSS3 – Ground terminal55 DVDD0 – Power supply terminal (+1.5V)56 TMS – not used57 SDA8 O Address bus to SDRAM58 SDA9 O Address bus to SDRAM59 TDO – not used60 SDA7 O Address bus to SDRAM61 SDA6 O Address bus to SDRAM62 TDI – not used63 SDA4 O Address bus to SDRAM64 SDA5 O Address bus to SDRAM65 TEST4 – Ground terminal66 SDA1 O Address bus to SDRAM67 SDA2 O Address bus to SDRAM68 RTCK – not used69 SDA0 O Address bus to SDRAM70 SDA3 O Address bus to SDRAM71 TCK – not used72 VDIOSD3 – Power supply terminal (+2.1V)73 VSS4 – Ground terminal74 VDIO1 – Power supply terminal (+2.1V)75 PI7/AIFBCK O Latch signal output to RF amplifier (not used)76 PI6/AIFLRCK O LCD back light on/off signal output (not used)77 PI5 O Line out/headphone mute control signal output78 PI4/AIFPCMD O Headphone amplifier chip enable signal output79 PI3/XBCKO O signal output to outside D/A converter (not used)80 PI2/LRCKO O signal output to outside D/A converter (not used)81 PI1 I/O not used82 PI0/PCMDO O signal output to outside D/A converter (not used)83 ADCLK I signal output to outside D/A converter (not used)84 DOUT O Output terminal of digital audio signal85 PJ7/MON7(MONCK) O Headphone amplifier setting control signal output86 PJ6/MON6(MONDO) O Headphone amplifier setting control signal output87 PJ5/MON5 O Headphone amplifier, power control signal output (not used)88 PJ4/MON4 O SCOR monitor signal output (not used)89 PJ3/MON3 O GPS monitor signal output (not used)90 PJ2/MON2 I Sound pressure regulation volume setting signal output (not used)91 PJ1/MON1 O DFCT monitor signal output (not used)92 XRST_PWR_O O not used93 VSS6 – Ground terminal94 VDIO2 – Power supply terminal (+2.1V)95 DVDD1 – Power supply terminal (+1.5V)96 AVDDA1 – Power supply terminal (+2.7V)97 AOUTR O Built in D/A converter (R-ch) signal output98 VREFR I Standard voltage terminal (for built in D/A converter R-ch)99 AVSDA1 – Ground terminal