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1C311 Mechanism/Servo Microcomputer (CXP80524-092Q)
The mechanical deck servo systems are controlled by the captioned microcomputer according to instructions from the main microcomputer (IC312).
Micom: Microcomputer
[rises [_Paneme
| 1 [Come
Description
Not in use
BUSY
Main Micom | Busy (Active "L") to the Main Micom
Not in use
REEL_CCW
Mechanism
Reel motor CCW ("L": RVS direction) } -
REEL_CW
Mechanism
Reel motor CW ("'H": FWD direction)
C_DIR_RVS
PLN_ON
Mechanism
Mechanism
Mechanism
Mechanism
Mechanism
Capstan Direction ("L": FWD, "H": RVS)
Plunger On
Plunger Kick
Drum On ("'H": The drum is revolving)
Not in use
PLN_KICK
D_ON
D_DIR_RVS
seowe
fone]
Not in use
Loading Motor Eject } 7)
Loading Motor Load
Cassette control motor Out
"
Cassette control motor In
LE
LL
CAS_M_OUT
CAS_M_IN
Mechanism
Mechanism
Mechanism
Mechanism
Not in use
Encoder SW2 } .
Encoder SW1
End sensorON _ Iiluminated upon "L" (rectangular wave of about 1kHz). Itis not
Output unless a cassette is mounted ("H").
RE_FWD
RE_STOP
END_LED_ON
Mechanism
Mechanism
Mechanism
Microprocessor mode selected (the equipment is fixed at "L").
System Reset (low active)
Power terminal (GND)
System Clock Output (Not in use)
CXD2601AQ|
System Clock Input (9.408 MHz)
Not in use
X_SRV_REQ
Main Micom | Request for communication from the Main Micom
MAIN_DT_I
Main Micom | Serial Input from the Main Micom
MAIN_DT_O
Main Micom | Serial Output to the Main Micom
AVss
GND for A/D
AVref
Reference Voltage for A/D (+5 V)
Power Supply for A/D (+5 V)
Take-up side end sensor input (analog) ig aa matter: OV,
Supply side end sensor input (analog)
"Leader tape: AC (*5)
Cassette-in switch (SOL). "H": Cassette is mounted.
Rec-enable switch (S01). "HH": REC enabled.
Mechanism
Mechanism
Mechanism
Mechanism
Mechanism
Mechanism
Pull up
RF Amp
Mechanism
Reel FG (T Side) } 6/24Hz (Small reel diameter) -
Mechanism
Reel FG (S Side)"
15/24Hz (Large reel diameter) (In SP FWD)
CapstanFG
SP: 674 Hz, LP: 337 Hz
Mechanism
Drum FG
400 Hz: LP REC, 800 Hz: Other modes
Mechanism
Drum PG
joe than LP REC: 800/24Hz
CXD2601AQ|
Drum Reference * In LP REC: 400/24Hz
31
CAS_LCKed
52
CAS_OUTed
Casecon locked
Upon completion of loading: "H"
Casecon outed
Upon completion of loading OUT: "H"
Not in use
ATF PILOT input
Mechanism
S a e
c
a
a
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