Sony HCD-XGV50, Service Manual

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50
HCD-XGV50
Description
Pin Name Pin No. I/O
74 NVOEL O Out enable signal output to memory
75 LVS4 — Ground
76 DRBS O Bank select address output to memory
77 DRDQM0 O Lower byte mask of memory
78 DRDQM1 O Upper byte mask of memory
79 IV55 — Ground
80 NC — Not used (open)
81 SYSRST I System reset signal input
82 IRDIN I Not used (Connected to ground)
83 NC — Not used (open)
84 VDD1 — Power supply (+2.5V)
85 V16M I/O Not used (open)
86 DOUT O Digital audio data output (Not used)
87 L_CDLRCK I D/A interface, L/R clock input
88 LRCK O D/A interface, L/R clock output
89 VSS1 — Ground
90 L_CDDATA I Serial data input from D/A interface
91 PCMD O Serial data output to D/A interface
92 L_CDBCK I Bit clock input (2’s COMP) from D/A interface
93 BCK O Bit clock output (2’s COMP) to D/A interface
94 EMPH O Not used (open)
95 L_SQSO I SubQ 80bit and PCM peak level data input
96 SQSO O SubQ 80bit and PCM peak level data output
97 VDD2 — Power supply (+2.5V)
98 L_SQCK O SQSO read out clock output
99 SQCK I SQSO read out clock input
100 SBSO O Not used (open)
101 EXCK I Not used (Connected to ground)
102 DATA I Serial data input from CPU
103 L_DATA O Serial data output to CPU
104 VSS2 — Ground
105 L_CDXRST I System reset signal input (L:reset)
106 XRST O System reset signal output (L:reset)
107 MUTE I Not used (Connected to ground)
108 L_XLAT O Latch signal output to CPU
109 XLAT I Latch signal input from CPU
110 L_DCLK O Serial data clock output
111 CLOK I Serial data clock input
112 L_SENS I SENS signal input
113 SENS O SENS signal output
114 L_SCLK O SENS serial data read clock output
115 SCLK I SENS serial data read clock input
116 VDD3 — Power supply (+2.5V)
117 ATSK I/O Not used (Connected to ground)
118 XUGF O Not used (open)
119 XPCK O Not used (open)
120 L_GFS I GPS signal input
121 GFS O GPS signal output
122 VSS3 — Ground