2.9 EMERGENCY DISPLAYExample (in case of the error number E01):
Whenever some abnormal signal is input to the syscon CPU, an
error number (E01, as an example) is displayed on the LCD mon-
E01 E01
itor or (in the electronic view finder).UNIT INREMOVE AND
In every error status, such the message as shown below alter SAFEGUARD MODE REATTACH BATTERY
nately appear over and over.
? In an emergency mode, all operations except turning on/off the
POWER switch are ineffectual.
LCDEmergency
DetailsPossible cause
displaymode
E01LOADINGIn the case the encoder posi-1. The mechanism is locked during mode shift.
tion is not shifted to the next2. The mechanism is locked at the mechanism loading end,
point though the loading motorbecause the encoder position is skipped during mechanism
has rotated in the loading direc-mode shift.
tion for 4 seconds or more. This3. No power is supplied to the loading MDA.
error is defined as [E01].
E02UNLOADINGIn the case the encoder posi-1. The mechanism is locked during mode shift.
tion is not shifted to the next2. The mechanism is locked at the mechanism loading end,
point though the loading motorbecause the encoder position is skipped during mechanism
has rotated in the unloading di-mode shift.
rection for 4 seconds or more.
This error is defined as [E02].
E03TU & SUP REEL FGIn the case no REEL FG is pro-1. The idler gear does not engage with the reel disk well.
duced for 4 seconds or more in2. Though the idler gear and reel disk are engaged with each
the capstan rotation mode afterother, the tape is not wound because of overload to the
loading was complete, themechanism.
mechanism mode is shifted to3. No FG pulse is output from the reel sensor.
STOP with the pinch roller set4. No power is supplied to the reel sensor.
off. This error is defined as5. Tape transport operation takes place with a cassette having
[E03].no tape inside.
However, no REEL EMG is de-6. The tape slackens and no pulse is produced until the slack
tected in the SLW/STILL mode.is taken up and the tape comes into the normal status.
E04DRUM FGIn the case there is no DRUM1. The drum cannot be started or drum rotation is stopped be-
FG input in the drum rotationcause tape transport load is too high.
mode for 4 seconds or more.1) Tape tension is extremely high.
This error is defined as [E04],2) The tape is damaged or soiled with grease, etc.
and the mechanism mode is2. The DRUM FG signal is not received by the syscon CPU.
shifted to STOP with the pinch1) Disconnection in the middle of the signal line.
roller set off.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.
E05---
E06CAPSTAN FGIn the case no CAPSTAN FG is1. The CAPSTAN FG signal is not received by the syscon
produced in the capstan rota-CPU.
tion mode for 2 seconds or1) Disconnection in the middle of the signal line.
more. This error is defined as2) Failure of the CAPSTAN FG pulse generator (MR ele-
[E06], and the mechanismment).
mode is shifted to STOP with2. No capstan control voltage is supplied to the MDA.
the pinch roller set off.4. The capstan cannot be started or capstan rotation is
However, no CAPSTAN EMGstopped because tape transport load is too high.
is detected in the STILL/FF/1) Tape tension is extremely high. (Mechanical locking)
REW mode.2) The tape is damaged or soiled with grease, etc. (Tape
tangling occurs, etc.)
Fig.2-9-1
(No.86730)1-17 |