Sony Network Walkman NW-HD3, Service Manual

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39
NW-HD3
Pin No. Pin Name I/O Description
120 PD2/DPLS O
Test terminal for debug Not used
121 PD3/DMNS O Test terminal for debug Not used
122 PD4/TXDPLS O
Test terminal for debug Not used
123 PD5/TXDMNS O
Test terminal for debug Not used
124 PD6/TXENL O Test terminal for debug Not used
125 PD7/SUSPEND O
Test terminal for debug Not used
126 VBUS I
Not used
127 VDIOUS — Power supply terminal (for USB transceiver) Not used
128 UDM I/O
Not used
129 UDP I/O
Not used
130 TRON O Not used
131 AVSDA —
Ground terminal (for internal D/A converter)
132 VREFER O
Reference voltage output terminal (R-ch)
133 AOUTR O Analog audio signal output to the headphone amplifier (R-ch)
134 AOUTL O
Analog audio signal output to the headphone amplifier (L-ch)
135 VREFL O
Reference voltage output terminal (L-ch)
136 AVDDA — Power supply terminal (+2.4V) (for internal D/A converter)
137 XTAL O
Main system clock output terminal (22.5792 MHz)
138 EXTAL I
Main system clock input terminal (22.5792 MHz)
139 AVDMO —
Power supply terminal (+2.4V) (for main system clock oscillator)
140 AVSOSC —
Ground terminal (for main and sub system clock oscillator)
141 TX O
Sub system clock output terminal (16 MHz)
142 ETX I
Sub system clock input terminal (16 MHz)
143 AVDUO — Power supply terminal (+2.4V) (for sub system clock oscillator)
144 AVSPLL —
Ground terminal (for PLL)
145 AVDPLL —
Power supply terminal (+3.3V) (for PLL analog system)
146 PQ0/PGMTR0 O Sleep signal output to the power control
147 PQ1/PGMTR1 O
Starting factor clear signal output to the power control
148 PQ2/PGMTR2 I
Charge progress signal input from the charge control
149 PQ3/PGMTR3 I Charge completion signal input from the charge control
150 PQ4 I
Power good signal input from the power switch
151 PQ5 O
Sleep signal output to the multi interface
152 PQ6 O Reset signal output to the sub system controller
153 PQ7 O
Reset signal output to the multi interface
154 DVSS8 —
Ground terminal
155 VDIO7 — Power supply terminal (+1.8V) (for I/O interface)
156 PR0 O
Battery voltage monitor on/off control signal output terminal
157 to 161 PR1 to PR5 —
Not used
162 PR6 O Headphone/line selection signal output to the headphone amplifier
163 PR7 O
Muting on/off control signal output to the headphone amplifier
164 DVSS9 —
Ground terminal
165 VDIOMS —
Power supply terminal (+3.3V) (for memory stick interface) Not used
166 MSDIO I/O
Two-way data bus with the memory stick interface Not used
167 MSBS O
Bus state signal output to the memory stick interface Not used
168 MSSCLK O
Clock signal output to the memory stick interface Not used