Read Sony HCD-RV660D / HCD-RV990D Service Manual online
27
HCD-RV660D/RV990D
Pin No.
Pin Name
I/O
Pin Description
103
GND25
—
Ground (SDRAM I/O signal)
104
VDD25
—
Power supply pin (+3.2 V) (SDRAM I/O signal)
105
VCLK
I/O
Not used (Open)
106
XCK_I/O_SEL
I/O
Not used (Open)
107
VS
O
S1 signal output
108
I/P SW
O
Not used (Open)
109
CDSEL
O
CD-DA select signal output
110
MREQ
O
Audio muting signal output to sound control IC.
111
VDDP
—
Power supply pin (+3.2 V) (I/O signal)
112
GNDP
—
Ground (I/O signal)
113
MDI
O
Serial data output to 2CH DAC IC (HCD-RV660D) and D/A converter IC (HCD-
RV990D).
114
MC
O
Serial data clock signal output to 2CH DAC IC (HCD-RV660D) and D/A converter IC
(HCD-RV990D).
115
ML
O
Latch enable signal output to 2CH DAC IC (HCD-RV660D) and D/A converter IC
(HCD-RV990D).
116
HIRQ2
I
Busy signal input from EEPROM IC.
117
VDAC_4B
—
Video DAC bias bit 4 (Connect to ground)
118
VDAC_VDD4
—
Power supply pin (+3.3 V) (Video DAC 4)
119
VDAC_4
O
VDAC output 4
120
VDAC_3B
—
Video DAC bias bit 3 (Connect to ground)
121
VDAC_VDD3
—
Power supply pin (+3.3 V) (Video DAC 3)
122
VDAC_3
O
VDAC output 3
123
VDAC_2B
—
Video DAC bias bit 2 (Connect to ground)
124
VDAC_VDD2
—
Power supply pin (+3.3 V) (Video DAC 2)
125
VDAC_2
O
VDAC output 2
126
VDAC_1B
—
Video DAC bias bit 1 (Connect to ground)
127
VDAC_VDD1
—
Power supply pin (+3.3 V) (Video DAC 1)
128
VDAC_1
O
VDAC output 1
129
VDAC_0B
—
Video DAC bias bit 0 (Connect to ground)
130
VDAC_VDD0
—
Power supply pin (+3.3 V) (Video DAC 0)
131
VDAC_0
O
VDAC output 0
132
VDAC_DVSS
—
Ground (Video DAC digital system)
133
VDAC_DVDD
—
Power supply pin (+3.2 V) (Video DAC digital system)
134
VDAC_REFVDD
—
Power supply pin (+3.3 V) (Video DAC reference)
135
VDAC_REF
I
Reference voltage input (for Video DAC)
136
VDAC_REFVSS
—
Ground (Video DAC reference)
137
XVSS
—
Ground (crystal oscillator)
138
XOUT
O
Not used (Open)
139
XIN
I
Crystal oscillation signal input
140
XVDD
—
Power supply pin (+3.2 V) (crystal oscillator)
141
AVSS2
—
Ground (analog PLL)
142, 143
AVDD2, AVDD1
—
Power supply pin (+3.2 V) (analog PLL)
144
AVSS1
—
Ground (analog PLL)
145
VDD
—
Power supply pin (+1.8 V) (inside core)
146
GND
—
Ground (inside core)
147
XCK
O
Audio system clock signal output to 2CH DAC IC (HCD-RV660D) and D/A converter
IC (HCD-RV990D).
148
LRCK
O
LRCK signal output to 2CH DAC IC (HCD-RV660D) and D/A converter IC (HCD-
RV990D).
149
BCK
O
BCK signal output to 2CH DAC IC (HCD-RV660D) and D/A converter IC (HCD-
RV990D).
150
DATA0(DM)
O
Audio data (down mix signal) output to D/A converter IC (HCD-RV990D).
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