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DPC-77
52
Terminal explanations
Terminal No.
Terminal name
CIRCUIT DESCRIPTION
Signal name
Active H/L
Function
PYO
H OFF
L_ON
POWER
ON/OFF signal.
PY1
POWER ON/OFF
|
MUTG
H
ON
L
OFF
Muting
output.
In
normal
operation,
MUTG
is
"L' when internal register ATTM is ''L''.
INT2/PY2
LIMIT SW
H
OUT
LIN
Innermost limit switch input.
ECI/PY3
SENCE
Internal status output according to address.
SC/PXO
SQCK
a9
m
Sub code O read clock.
SOB/PX1
SOB/PX1
GND (0 V)
SOA/PX2
SOA/PX2
GND (0 V)
SI/PX3
SUBQ
Sub code Q input.
PDO
EMPHA
Disc emphasis ON/OFF signal.
PD1
LASER
Laser ON/OFF signal.
PD2
HIFILTER
Hi-Filter ON/OFF signal.
PD3
PCO
KIN3
PCI
KIN2
PC2
KIN1
PC3
KINO
Key latch input port.
PBO
FOK
Focus OK signal.
PB1
ATSC
ATSC ON/OFF signal.
PB2
OPEN/CLOSE
Open/Close signal.
PB3
LOW BATT
Battery voltage alarm signal.
PAO
TEST TP
NORMAL
TEST
Microprocessor test mode activation terminal. (O V)
PA1
KS1
PA2
KS2
KS3
L LATCH
| Key latch output port.
GND. (OV)
Power supply. (+5 V)
System reset output.
Serial data output from the CPU.
Latch output from the CPU.
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