69
Pin No.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
I/O
I
I
O
I
I
O
I
I/O
O
—
O
O
I
I
O
O
O
O
I
I
I
I
I
I
O
O
O
O
Description
Track jump detection signal input from CXD2656R (IC121)
Internal status (SENSE) input from CXD2656R (IC121)
Laser diode ON/OFF control signal output to automatic power control circuit
“H”: Laser ON
Disc reflection rate detection input from the reflect detection switch (S102). “L”: High reflection disc.
“H”: Low reflection disc
Write protect detection input from the protect detection switch (S102). “H”: Write protected
Laser power switching signal output to CXD2656R (IC121) and HF module switch circuit
“L”: Playback “H”: Recording
Monitor signal input of spindle servo lock from CXD2656R (IC121)
Bi-directional data bus with non-volatile memory (IC171)
Power supply (+3.3 V)
Not used in this system (Blank terminal)
Ground
Recording data output enable signal output to CXD2656 (IC121).
The transmission timing of the writing data is output. (Used as ON/OFF of magnetic head too)
Clock signal output to non-volatile memory (IC171)
Focus OK signal is input from CXD2656R (IC121). “H” is input when focus is locked. (“L”: NG)
Input signal from the sled limit in detection switch (S101).
“L”: Sled limit in (when optical pickup comes to the innermost circumference)
Laser modulation selector signal output to the HP module switch circuit.
During playback power: “H”, During stop: “L”,
During recording power:
Serial data latch pulse output to CXD2656R (IC121)
Not used in this system (Blank terminal)
Not used in this system (Fixed at “L”)
Not used in this system (Fixed at “L”)
Playback position detection switch (S10) input “L”: Active
Input signal from the playback switch position detect switch (S10). “L”: active.
Input signal from disc chucking in detection switch (S11). “L”: active
Recording position detection switch (S13) input “L”: Active
Loading motor control signal output to motor drive IC (IC250)
“L”: Active *1
Loading motor drive voltage control signal output to motor drive IC (IC250)
“H”: Active
Not used in this system (Blank terminal)
Pin Name
MNT1 (SHOCK)
SENS
LDON
REFLECT
PROTECT
WR-PWR
MNT3 (SLOCK)
SDA
+ 3.3 V
NC
GND
SCTX
SCL
MNT0 (FOK)
LIMIT-IN
MOD
XLATCH
REC/PB
TECONT
XTSL
PB-P
CHACK IN
PACK-OUT
REC-P
LDIN
LDOUT
LD-LOW
NC
* 1 Loading motor (M10) control
Pin
LDIN (
uk
-pin)
LDOUT (
ul
-pin)
Mode
Loading
“L”
“H”
Eject
“H”
“L”
Stop
“H”
“H”
Brake
“L”
“L”
0.5 sec
2 sec
