Sony Network Walkman NW-HD3, Service Manual

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NW-HD3
MAIN BOARD IC2001 1S1R72003BOOA100 (USB CONTROLLER)
Pin No. Pin Name I/O Description
1 R1 I/O Internal operation setting terminal
2 N.C. —
Not used
3 AVSS —
Ground terminal (analog system)
4 AVDD —
Power supply terminal (+3.3V) (analog system)
5 AVSS —
Ground terminal (analog system)
6 AVDD —
Power supply terminal (+3.3V) (analog system)
7 AVSS —
Ground terminal (analog system)
8 DP I/O USB data (+) input/output terminal
9 AVSS —
Ground terminal (analog system)
10 DM I/O USB data (–) input/output terminal
11 AVSS — Ground terminal (analog system)
12 AVDD —
Power supply terminal (+3.3V) (analog system)
13 TSTEN I
Input terminal for the test mode setting
14 VBUS I USB bus detection signal input terminal
15 XRESET I
Reset signal input from the multi interface
16 XSLEEP I
Sleep signal input from the multi interface
17 to 24 CA0 to CA7 I Address signal input from the multi interface
25 VSS —
Ground terminal (logic system)
26 VDD —
Power supply terminal (+3.3V) (logic system)
27 XCS I Chip select signal input from the multi interface
28 XRD I
Read signal input from the multi interface
29 XWAIT O
Wait signal output to the multi interface
30 XWR I Write signal input from the multi interface
31 XINT O
Interrupt request signal output to the multi interface
32 to 35 CD0 to CD3 I/O
Two-way data bus with the multi interface and liquid crystal display unit
36 VSS —
Ground terminal (logic system)
37 to 40 CD4 to CD7 I/O
Two-way data bus with the multi interface and liquid crystal display unit
41 VDD —
Power supply terminal (+3.3V) (logic system)
42 ATPGEN I
Input terminal for the test mode setting
43 SCANEN I Input terminal for the test mode setting
44, 45 TPORT0, TPORT1 I/O
Input/output terminal for the test mode setting
46, 47 TIN0, TIN1 I
Input terminal for the test mode setting
48 VSS — Ground terminal (logic system)
49 OSCOUT O
Clock signal output terminal Not used
50 VSS —
Ground terminal (logic system)
51 VDD — Power supply terminal (+3.3V) (logic system)
52 XHRESET I
Reset signal input terminal Not used
53 to 60 HDD4 to HDD11 I/O
Two-way data bus with the multi interface and hard disk drive unit
61 VSS — Ground terminal (logic system)
62 to 69
HDD0 to HDD3,
HDD12 to HDD15
I/O
Two-way data bus with the multi interface and hard disk drive unit
70 VDD —
Power supply terminal (+3.3V) (logic system)
71 HDMARQ I DMA request signal input from the hard disk drive unit
72 XHIOW O
Write signal output to the hard disk drive unit
73 XHIOR O
Read signal output to the hard disk drive unit