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MD-MT877/MD-MT877C
56* EXPORT4
Undecided justice
Output Not used Not used
57 EXPORT5 LDCNT1 Output Recording head raising-lowering control output 0. See the separate table *3.
58 EXPORT6 LDCNT2 Output Recording head raising-lowering control output 1. See the separate table *3.
59 EXPORT7 EMPH1 Output Audio emphasis control output 1. See the separate table *2.
78 EXPORT3 HDON Output Recording head. 'H': Record electric current
79 EXPORT2 OPTCNT Output Optical digital input circuit ON/OFF control. 'H': Circuit operation ON
80 EXPORT0 DAPON Output D/A converter operation control output. 'H': Operation ON
81 EXPORT1 ADPON Output A/D converter operation control output. 'H': Operation ON
Pin No.
Function
Port Name
Terminal Name Input/Output
Remarks
H H Normal mode
H L No adjustment mode
L H Test mode
L L (Settings prohibited)
TEST1
Details
*1: List of TEST port settings
H H fs=32K: 'ON'
H L fs=48K: 'ON'
L H OFF
L L fs=44.1K: 'ON'
EMPH1 EMPH0
Details
*2: List of EMPH port settings
H H Brake
H L Drive UP
L H Drive DOWN
L L Output OFF
LDCNT2
LDCNT1
Details
*3: List of LDCNT port settings
TEST0
IC201 VHiLR378161-1 :Endec/Servo/Atrac (LR378161)
System LSI expansion output port
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.