25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
IC, CXP81952M-555R
Pin No.
Pin Name
I/O
Description
Not used.
Not used.
Not used.
Audio mute signal output. (Muted at “H”.)
Serial clock output for EEPROM interface.
Serial data output for EEPROM interface.
Serial data input for EEPROM interface.
EEPROM chip select signal output. (H active.)
OWH DOWN position detection switch input.
OWH UP position detection switch input.
Not used.
Disk presence detection switch input.
Holder open/close detection switch input.
Holder open/close detection switch input. (Opposite of No. 13 at all times)
De-emphasis ON/OFF signal output. (OFF at “H”. ON at “L”.)
AK4519 power control output. (ON at “H”. OFF at “L”.)
Pickup innermost circumference position detection switch input. (innermost
circumference at “L”.)
Write-protection tab detection switch.
System control send request signal input to system control interface.
External digital-in enable signal output.
Not used.
Not used.
Not used.
MD microprocessor send request signal output to system control interface.
Connected to Vss.
Motor driver comparator output.
Motor driver comparator output.
Motor driver comparator output.
Sled control output.
Sled control output.
Sled control output.
Not used.
Not used.
Not used.
Not used.
Two-axis mute signal output to BD6601KVT. (Mute at “L”.)
Connected to Vss.
MD microprocessor reset signal input.
Connected to Vss.
Terminal to which external crystal is connected for system clock oscillation 1.
N.C.
N.C.
N.C.
AMUTE
SCLK1
SW-DT1
SRDT1
XLAT3
DNDT
UPDT
N.C.
PACK-IN
HLDRIN
HLDR-IN
DENF
ARST
LS
DSCPRO
SREQ
EXTDIN
N.C.
N.C.
N.C.
MREQ
PD3
BEMFW
BEMFV
BEMFU
SL_S3
SL_S2
SL_S1
N.C.
N.C.
N.C.
N.C.
STHB
MP
SRST
DGND
XTALO
O
O
O
O
O
O
I
O
I
I
O
I
I
I
O
O
I
I
I
O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
—
I
—
—
