Sony HCD-C450 Service Manual page 74

HCD-C450
Pin No. Pin Name
67 VDDSD0
68 ZDFC
69 DSAC
70 ZDFLFE
71 DSALFE
72 VSDSD1
73 ZDFLS
74 DSALS
75 ZDFRS
76 DSARS
77 VDDSD1
78, 79 IOUT0 - 1
80 VSCB0
81, 82 IOUT2 - 3
83 VDCB0
84, 85 IOUT4 -5
86 VSIOB0
87 IANCO
88 IFULL
89 IEMPTY
90 VDIOB0
91 IFRM
92 IOUTE
93 IBCK
94 VSCB1
95 IERR
96 IANCI
97 IPLAN
98 IHOLD
99 VDCB1
100 IVLD
101 to 105 IDIN0 - 4
106 VSIOB1
107 to 109 IDIN5 -7
110 VDIOB1
111 to 114 WAD0 - 3
115 TESTI
116 VSCB2
117 to 120 WAD4 - 7
121 VDCB2
122 WRFD
123 WCK
124 to 125 WAVDD0 - 1
126 WARFI
127 WAVRB
128 to 129 WAVSS1 - 0
130 VSIOA2
131 to 134 DQ7 - 4
135 VDIOA2
136 to 139 DQ3 - 0
74
I/O
– Power supply for DSD data output
O Cch zero data detection flag signal output (open)
O Cch DSD data output
O LFEch zero data detection flag signal output (open)
O LFEch DSD data output
– Ground for DSD data output
O LSch zero data detection flag signal output (open)
O LSch DSD data output
O RSch zero data detection flag signal output (open)
O RSch DSD data output
– Power supply for DSD data output
O Output terminal for test (open)
– Ground
O Output terminal for test (open)
– Power supply
O Output terminal for test (open)
– Ground for I/O
O Output terminal for test (open)
I Input teminal for test (connected to ground)
I Input teminal for test (connected to ground)
– Power supply for I/O
O Output terminal for test (open)
O Output terminal for test (open)
O Output terminal for test (open)
– Ground
I Input teminal for test (connected to Vdd)
I Input teminal for test (connected to ground)
I Input teminal for test (connected to Vdd)
O Output terminal for test (open)
– Power supply
I Input teminal for test (connected to ground)
I Input teminal for test (connected to ground)
– Ground for I/O
I Input teminal for test (connected to ground)
– Power supply for I/O
I External A/D data input for PSP physical disc mark detection
– Input teminal for test (pull-down)
– Ground
I External A/D data input for PSP physical disc mark detection
– Power supply
I Input teminal for test (connected to ground)
I Clock input for PSP physical disc mark detection
– A/D power supply for PSP physical disc mark detection (+2.5v)
I Analog RF signal input for PSP physical disc mark detection
I A/D bottom reference input for PSP physical disc mark detection
– A/D ground for PSP physical disc mark detection
– Ground for I/O
I/O SDRAM data input/output terminal
– Power supply for I/O (Not used)
I/O SDRAM data input/output terminal
Description