Table of Contents
Advertisement
Pin No.
Pin Name
46
LINKOFF
47
UNIREQ
48
UNICKIO
49
UNISI
50
UNISO
51
MD-CKO
52
MD-SI
53
NCO
54
SENS
55
CC-XINT
56
LIMIT-IN
57
EJT-KEY
58
ERROR-PWM
59
MD-RST
60
BU-IN
61
BUS-ON
62
SQSY
63
C-SW
64
MD-LAT
65
MD-ON
66
DEEMP
67
A-MUTE
68
NCO
69
TSTCKO
70
TSTSO
71
TSTMOD
72
VCC
73
NIL
74 to 77
TOUT0 to TOUT3
78 to 80
TIN0 to TIN2
*1 Loading motor (M903) control
Operation
Terminal
LOAD (pin 6)
"H"
"L"
EJECT (pin 7)
52
I/O
O
Unilink on/off control signal output for the SONY bus "L": link on, "H": link off Not used
O
Data request signal output terminal (for SONY bus) "H": request on Not used (open)
Serial clock signal input from the master controller (IC502) or serial clock signal output to the
I/O
SONY bus interface (IC601) and liquid crystal display drive controller (IC701) (for SONY bus)
I
Serial data input from the SONY bus interface (IC601)
O
Serial data output to the SONY bus interface (IC601)
O
Serial data transfer clock signal output to the CXD2652AR (IC301) and CXA2523AR (IC302)
I
Reading serial data signal input from the CXD2652AR (IC301)
O
Not used (open)
I
Internal status (SENSE) input from the CXD2652AR (IC301)
I
Interrupt status input from the CXD2652AR (IC301)
Detection input from the sled limit-in detect switch
I
The optical pick-up is inner position when "L"
I
Eject request signal input terminal "L": eject on Not used (fixed at "H")
O
PWM error monitor output terminal (C1and ATER is output when test mode) Not used (open)
O
Reset signal output to the CXD2652AR (IC301) and BH6511FS (IC303) "L": reset
Battery detect signal input from the SONY bus interface (IC601) and battery check circuit
I
"H": battery on
I
SONY bus on/off control signal input from the master controller (IC502) "L": bus on
Subcode Q sync (SCOR) input from the CXD2652AR (IC301)
I
"L" is input every 13.3 msec Almost all, "H" is input
Inputs the disc loading start or disc eject completion detect switch detection signal
I
"L": When start or eject completed of the disc loading operation
O
Serial data latch pulse signal output to the CXD2652AR (IC301) and CXA2523AR (IC302)
Power supply on/off control signal output of the MD mechanism deck section main power supply
O
"H": power on
O
Emphasis on/off control signal output to the master controller (IC502) "H": emphasis on
O
Audio muting on/off control signal output terminal "H": muting on
O
Not used (open)
O
Output of clock signal for the test mode display Not used (open)
O
Output of data for the test mode display Not used (open)
I
Setting terminal for the test mode "L": test mode, "H": normal mode
—
Power supply terminal (+5V)
I
Not used (fixed at "H")
O
Output of the 4×8 matrix test keys
I/O
Input of the 4×8 matrix test keys ("L" is always output, except in test mode)
IN
OUT
BRAKE
"L"
"H"
"H"
"H"
Description
Not used (open)
STOP
"L"
"L"
Not used (open)
Advertisement
Table of Contents
