– 12 –
Pin No.
Pin Name
I/O
Description
46
CLV V MON
I
Spindle servo (V) timing signal input from the CXD2661GA-2 (IC601)
47
CLV W MON
I
Spindle servo (W) timing signal input from the CXD2661GA-2 (IC601)
48
CLV U CON
O
Spindle servo (U) drive signal output for the MPC17A55FTA (IC551)
49
CLV V CON
O
Spindle servo (V) drive signal output for the MPC17A55FTA (IC551)
50
CLV W CON
O
Spindle servo (W) drive signal output for the MPC17A55FTA (IC551)
51
AVLS SW
I
AVLS switch (S803) input terminal “L”: LIMIT, “H”: NORM
52
SENSE
I
Internal status (SENSE) input from the CXD2661GA-2 (IC601)
53
SPDL SW
O
Microcomputer or DSP control select signal output for CLV.
54
MTFLGL
—
Muting applied to analog signal output in non-signal status causes the signal to be “H”
automatically Not used
55
MTFLGR
—
Muting applied to analog signal output in non-signal status causes the signal to be “H”
automatically Not used
56
MNT0
I
Signal indicating the speed follow-up spinning mode input from the CXD2661GA-2
(IC601) “H”: speed follow-up spinning mode
57
MNT1
I
Sled motor operation monitor signal input from the the CXD2661GA-2 (IC601)
“H”: monitor drive
58
MNT2
I
Speed limiter signal input from the the CXD2661GA-2 (IC601) “L”: limiter on
59
MNT3
I
Window signal to detect an inverse trigger edge input from the the CXD2661GA-2
(IC601) “H”: edge detectable
60
BEEP
O
Beep sound drive signal output to the headphone amplifier (IC301)
61
VSS
—
Ground terminal (digital system)
62
SPCK
—
Not used (open)
63
RMC DTCK
I/O
TSB serial communication data input/output terminal for remote commander with
headphone
64
SCLK
O
Serial clock signal output to the CXD2661GA-2 (IC601)
65
SRDT
I
Reading data input from the CXD2661GA-2 (IC601)
66
SWDT
O
Writing data output to the CXD2661GA-2 (IC601)
67
XLAT
O
Serial data latch pulse output to the CXD2661GA-2 (IC601)
68
SLEEP
O
System sleep control signal output to the MPC1830ADTBEL (IC901) “H”: sleep on
69
XWK CLR
O
Wauk up factor clear signl output to the MPC17A55FTA (IC551) and MPC1830ADTBEL
(IC901) “L” active
70
HP MUTE
O
Muting on/off control signal output to the headphone amplifier (IC301) “H”: muting on
71
HP STBY
O
Standby on/off control signal output to the headphone amplifier (IC301)
“L”: standby mode, “H”: amplifier on
72
NC
—
Not used (open)
73
NV DI
I
Serial data input from the EEPROM (IC802)
74
NV DO
O
Serial data output to the EEPROM (IC802)
75
NV CLK
O
Serial clock signal output to the EEPROM (IC802)
76
NV CS1
O
Chip select signal output to the EEPROM (IC802)
77, 78
NC
—
Not used (open)
79
VDD
—
Power supply terminal (+2V) (digital system)
80
VSS
—
Ground terminal (digital system)
*1 DIGITAL SOUND PRESET switch (S301)
Switch
0 (OFF)
1 (MID)
2 (MAX)
Terminal
DBB0 (pin
wl
)
“H”
“L”
“H”
DBB1 (pin
e;
)
“H”
“H”
“L”
