Sony MXD-D5C Service Manual page 83

Pin No. Pin Name
86 DSENS
87 PRTC SW
88
SOFT TEST
89
KEY3
90
KEY2
91
KEY1
92 KEY0
93 SPEC IN
94 LEVEL L
95 LEVEL R
96 AVSS
97 TE
98 VREF
99 AVCC
100 XRST
I/O
Detection input from the disc in detect sensor (D704 and Q703) on the CD mechanism block
I
"H": disc detected
Detection input from the CD tray door open/close detect switch (S702)
I
"L": when CD lid is open, "H": when CD lid is close
O Not used (open)
Key input terminal (A/D input) S991 to S997 (INPUT, TIME/CHAR MD, x (MD), X (MD),
I
H (MD), CLEAR (MD), TIME CD keys input)
Key input terminal (A/D input) S982 to S990 (MENU/NO, YES, m (MD), M (MD),
I
REC z, PLAY MODE MD, SLEEP, REC MODE, A EJECT keys input)
Key input terminal (A/D input) S771 to S780 (l AMS L (CD), PLAY MODE CD,
I
DISPLAY, x (CD), X (CD), H (CD), M (CD), m (CD), REC-IT, CLEAR (CD) keys input)
Key input terminal (A/D input) S901 to S913 (DISC5, A (CD4), DISC4, A (CD3), DISC3,
I A (CD2), DISC2, A (CD1), DISC1, A (CD1), CD SYNCHRO NORMAL, CD SYNCHRO
HIGH, A (CD5) keys input)
I Destination setting terminal (fixed at "H" in this set)
I L-ch level input from the system controller (IC801)
I R-ch level input from the system controller (IC801)
— Ground terminal
I Tracking error signal input terminal Not used (open)
I Reference voltage (+5V) input terminal (for A/D converter)
— Power supply terminal (+5V) (for analog system )
O Reset signal output to the CD block
Description
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