Sony HCD-RV990D Service Manual page 115

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