Read Sony HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) Service Manual online
31
HCD-SR1/SR2/SR3
Pin No.
Pin Name
I/O
Description
142
AVDD2
—
Power supply terminal (+3.3V) (analog PLL)
143
AVDD1
—
Power supply terminal (+3.3V) (analog PLL)
144
AVSS1
—
Ground terminal (analog PLL)
145
VDD
—
Power supply terminal (+1.8V) (inside core)
146
GND
—
Ground terminal (inside core)
147
XCK
O
Audio system clock output (not used)
148
LRCK
O
LRCK signal output for audio (not used)
149
BCK
O
BCK signal output for audio (not used)
150
GPIO4 (1)
—
Not used (pull-up)
151
GPIO4 (2)
—
Not used (pull-up)
152
VDDP
—
Power supply terminal (+3.3V) (I/O signal)
153
GNDP
—
Ground terminal (I/O signal)
154
GPIO4 (3)
—
Not used (pull-down)
155
GPIO4 (4)
—
Not used (pull-down)
156
IEC958
O
S/PDIF signal
157
DAI_DATA
I
Data input from ADC (not used)
158
DAI_BCK
I
BCK signal input from ADC (not used)
159
DAI_LRCK
I
LRCK signal input from ADC (not used)
160
I2C_CL
I/O
I2C clock bus
161
I2C_DA
I/O
I2C data bus
162
CS(ZIVA_E2P)
O
Chip select signal output to the EEPROM (IC203)
163
RXD1
I
Serial data input for check jig
164
TXD1
O
Serial data output for check jig
165
WRITE_CTRL(ZIVA_E2P)
O
Write control signal output to the EEPROM (IC203)
166
GNDP
—
Ground terminal (I/O signal)
167
VDDP
—
Power supply terminal (+3.3V) (I/O signal)
168
SDDATA7
I
SDBus data7 input
169
SDDATA6
I
SDBus data6 input
170
SDDATA5
I
SDBus data5 input
171
SDDATA4
I
SDBus data4 input
172
GND
—
Ground terminal (inside core)
173
VDD
—
Power supply terminal (+1.8V) (inside core)
174
SDDATA3
I
SDBus data3 input
175
SDDATA2
I
SDBus data2 input
176
SDDATA1
I
SDBus data1 input
177
SDDATA0
I
SDBus data0 input
178
SDREQ
O
SDBus data request signal output
179
SDEN
I
SDBus data enable signal input
180
GNDP
—
Ground terminal (I/O signal)
181
VDDP
—
Power supply terminal (+3.3V) (I/O signal)
182
SDERROR
I
SDBus data error signal input
183
SDCLK
I
SDBus data clock input
184
HIRQ1
I
Interrupt signal input from the mechanism controller (IC301)
185
DRVCLK
I
Serial data clock input from the mechanism controller (IC301)
186
DRVTX
I
Serial data input from the mechanism controller (IC301) and the EEPROM (IC203)
187
DRVRX
O
Serial data output to the mechanism controller (IC301) and the EEPROM (IC203)
188
DRVRDY
I
Ready signal input from the mechanism controller (IC301)
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