Sony SCD-XA777ES / Mode d’emploi, Service Manual

Page: 83 / 137

83
SCD-XA777ES
Pin No. Pin Name I/O Description
60 BCKAO O
Bit clock signal (2.8224 MHz) output terminal for DSD data output Not used (open)
61 PHREFI I
Phase reference signal input for DSD output phase modulation from the CXD9647R (IC803)
62 PHREFO O Phase reference signal output terminal for DSD output phase modulation Not used (open)
63 ZDFL O
Zero data (front L-ch) flag detection signal output terminal Not used (open)
64 DSAL O
DSD data (front L-ch) output to the CXD9647R (IC803)
65 ZDFR O Zero data (front R-ch) flag detection signal output terminal Not used (open)
66 DSAR O
DSD data (front R-ch) output to the CXD9647R (IC803)
67 VDDSD0 —
Power supply terminal (+3.3V) (For DSD data output)
68 ZDFC O Zero data (center) flag detection signal output terminal Not used (open)
69 DSAC O
DSD data (center) output to the CXD9647R (IC803)
70 ZDFLFE O
Zero data (sub woofer) flag detection signal output terminal Not used (open)
71 DSALFE O
DSD data (sub woofer) output to the CXD9647R (IC803)
72 VSDSD1 —
Ground terminal (For DSD data output)
73 ZDFLS O
Zero data (surround L-ch) flag detection signal output terminal Not used (open)
74 DSALS O
DSD data (surround L-ch) output to the CXD9647R (IC803)
75 ZDFRS O Zero data (surround R-ch) flag detection signal output terminal Not used (open)
76 DSARS O
DSD data (surround R-ch) output to the CXD9647R (IC803)
77 VDDSD1 —
Power supply terminal (+3.3V) (For DSD data output)
78, 79 TESTO O Output terminal for the test (normally: open)
80 VSCB0 —
Ground terminal (for core)
81, 82 TESTO O
Output terminal for the test (normally: open)
83 VDCB0 — Power supply terminal (+2.5V) (for core)
84, 85 TESTO O
Output terminal for the test (normally: open)
86 VSIOB0 —
Ground terminal (for I/O)
87 TESTO O Output terminal for the test (normally: open)
88, 89 TESTI I
Input terminal for the test (normally: fixed at “L”)
90 VDIO —
Power supply terminal (+3.3V) (for I/O)
91 to 93 TESTO O Output terminal for the test (normally: open)
94 VSCB1 —
Ground terminal (for core)
95 to 97 TESTI I
Input terminal for the test (normally: fixed at “L”)
98 TESTO O Output terminal for the test (normally: open)
99 VDCB1 —
Power supply terminal (+2.5V) (for core)
100 to 105 TESTI I
Input terminal for the test (normally: fixed at “L”)
106 VSIOB1 —
Ground terminal (for I/O)
107 to 109 TESTI I
Input terminal for the test (normally: fixed at “L”)
110 VDIOB1 —
Power supply terminal (+3.3V) (for I/O)
111 to 114 WAD0 to WAD3 I
External A/D data input terminal from the A/D converter for PSP physical disc mark detection
Not used (open)
115 TESTI I
Input terminal for disc inspection mode from the I/O expander (IC902)
116 VSCB2 —
Ground terminal (for core)
117 to 120 WAD4 to WAD7 I
External A/D data input terminal from the A/D converter for PSP physical disc mark detection
Not used (open)
121 VDCB2 —
Power supply terminal (+2.5V) (for core)
122 TESTI I
Input terminal for the test (normally: fixed at “L”)
123 WCK I Operation clock signal input for PSP physical disc mark detection from the CXD1882R (IC701)
124, 125 WAVDD0, 1 —
A/D power supply terminal (+2.5V) (for PSP physical disc mark detection)