1.4 EMERGENCY DISPLAY
Whenever some abnormal signal is input to the syscon CPU,
an error number (E01, as an example) is displayed on the LCD
monitor or (in the Electronic view finder).
E01E01
In every error status, such the message as shown below alter-UNIT INREMOVE AND
nately appear over and over.SAFEGUARD MODEREATTACH BATTERY
In an emergency mode, all operations except turning on/off the
Power switch are ineffectual.
LCDEmergency
DetailsPossible cause
displaymode
E01LOADINGIn the case the encoder position is not shifted to1. The mechanism is locked during mode shift.
the next point though the loading motor has ro-2. The mechanism is locked at the mechanism loading end, because the encoder
tated in the loading direction for 4 seconds orposition is skipped during mechanism mode shift.
more. This error is defined as [E01].3. No power is supplied to the loading MDA.
E02UNLOADINGIn the case the encoder position is not shifted to1. The mechanism is locked during mode shift.
the next point though the loading motor has ro-2. The mechanism is locked at the mechanism loading end, because the encoder
tated in the unloading direction for 4 seconds orposition is skipped during mechanism mode shift.
more. This error is defined as [E02].
E03TU & SUP REEL FGIn the case no REEL FG is produced for 4 sec-1. The idler gear does not engage with the reel disk well.
onds or more in the capstan rotation mode after2. Though the idler gear and reel disk are engaged with each other, the tape is not
loading was complete, the mechanism mode iswound because of overload to the mechanism.
shifted to STOP with the pinch roller set off. This3. No FG pulse is output from the reel sensor.
error is defined as [E03].4. No power is supplied to the reel sensor.
However, no REEL EMG is detected in the SLW/5. Tape transport operation takes place with a cassette having no tape inside.
STILL mode.6. The tape slackens and no pulse is produced until the slack is taken up and the
tape comes into the normal status.
E04DRUM FGIn the case there is no DRUM FG input in the1. The drum cannot be started or drum rotation is stopped because tape transport
drum rotation mode for 4 seconds or more.load is too high.
This error is defined as [E04], and the mecha-1) Tape tension is extremely high.
nism mode is shifted to STOP with the pinch roller2) The tape is damaged or soiled with grease, etc.
set off.2. The DRUM FG signal is not received by the syscon CPU.
1) Disconnection in the middle of the signal line.
2) Failure of the DRUM FG pulse generator (hall element).
3. No drum control voltage is supplied to the MDA.
4. No power is supplied to the DRUM MDA.
E05NNN
E06CAPSTAN FGIn the case no CAPSTAN FG is produced in the1. The CAPSTAN FG signal is not received by the syscon CPU.
capstan rotation mode for 2 seconds or more.1) Disconnection in the middle of the signal line.
This error is defined as [E06], and the mecha-2) Failure of the CAPSTAN FG pulse generator (MR element).
nism mode is shifted to STOP with the pinch roller2. No capstan control voltage is supplied to the MDA.
set off.3. No power is supplied to the CAPSTAN MDA.
However, no CAPSTAN EMG is detected in the4. The capstan cannot be started or capstan rotation is stopped because tape
STILL/FF/ REW mode.transport load is too high.
1) Tape tension is extremely high. (Mechanical locking)
2) The tape is damaged or soiled with grease, etc. (Tape tangling occurs, etc.)
Fig. 1-4a
1-8 |
ACEC
