Sony HCD-F3MD Service Manual page 76

Compact disc deck receiver
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Pin No.
Pin Name
66
XLATCH
67
WRPWR
LOADING
68
SEL: L
69
L3MODE
70, 71
72
SCTX
73
XINT
74
REC-P
75
DQSY
76
77
DIGRST
78
SENS
79
MNT3
80
MNT2
81
MNT1
82
MNT0
83
SENSOR SW
84
DISK5
85
DISK1
86
DISK2
87
SCL
88
SDA
89
DISK4
90
DISK3
HEADSW-
91
DOWN
92
HEADSW-UP
93 to 95
KEY3 to KEY1
96
AVSS
97
KEY0
98
VREF
99
+3.3V
100
WMIN
76
I/O
O
Serial data latch pulse signal output to the CXD2654R (IC121)
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
O
"L": playback mode, "H": recording mode
Setting terminal for the loading control method
I
"H": not used IN switch (fixed at "L")
O
L3 bus mode control signal output to the A/D, D/A converter (IC201)
I
Not used (fixed at "H")
Recording data output enable signal output to the CXD2654R (IC121) and over write head driver
O
(IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
I
Interrupt status input from the CXD2654R (IC121)
O
Detection input from the recording position detect switch (S601) "L": recording position
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2654R (IC121)
I
"L" is input every 13.3 msec Almost all, "H" is input
I
Not used (open)
O
Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) "L": reset
I
Internal status (SENSE) input from the CXD2654R (IC121)
I
Spindle servo lock status monitor signal input from the CXD2654R (IC121)
I
Busy signal input from the CXD2654R (IC121)
I
Track jump detection signal input from the CXD2654R (IC121)
Focus OK signal input from the CXD2654R (IC121)
I
"H" is input when focus is on ("L": NG)
O
Control signal output for the sensor gain selection Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
O
Serial clock signal output to the EEPROM (IC171)
I/O
Two-way data bus with the EEPROM (IC171)
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
Detection input from the over write head down position detect switch
I
"L": down position Not used (fixed at "L")
Detection input from the over write head up position detect switch
I
"L": up position Not used (fixed at "L")
I
Key input terminal (A/D input) Not used (fixed at "H")
Ground terminal (for A/D converter)
I
Key input terminal (A/D input) Not used (fixed at "H")
I
Reference voltage (+3.3V) input terminal (for A/D converter)
Power supply terminal (+3.3V)
I
Serial data input from the equipment connected to other unit Not used (fixed at "L")
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