Modetransition; Poweron Reset; Lineartimecounteroperation - Panasonic REV-1 Service Manual

Z-mechanism chassis
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8-12. Mode transition
The relation between the present mode and operation key is shown in the following table.
PRESET
OPERATION
KEY
MODE
P SW
EJECT
STOP
REW
FF
PLAY
PAUSE
REC
P-OFF
P-ON
EJECT
PLAY
EJECT
P-OFF
STOP
P-OFF
EJECT
*3
REW
FF
PLAY
REC
REW
P-OFF
EJECT
STOP
REV
FF
PLAY
FF
P-OFF
EJECT
STOP
REW
CUE
PLAY
REV
P-OFF
EJECT
STOP
*1
PLAY
*2
CUE
P-OFF
EJECT
STOP
*1
PLAY
*2
PLAY
P-OFF
EJECT
STOP
*1
*1
*2
STILL
P-OFF
EJECT
STOP
*1
*1
PLAY
PLAY
REC PS
REC
P-OFF
STOP
REC PS
RECIPS
P-OFF
STOP
REC
REC
*1:
*2:
*3:
Pressing two keys simultaneously, the key operation is going to be ineffective.
The unit goes to CUE/REV lock mode by pressing FF/REW key lightly (less than 0.7 seconds)
during Play, still and REV mode. CUE/REV
mode
will be returned previous mode when FF/REW
key is pressed more than 0.7 seconds.
In case PAUSE key is pressed
Iessthan
1
second other than STILL mode, the unit goes to STILL
mode.
If PAUSE key is being held to press, the unit goes to STILL mode and then goes to 1/1OSLOW
mode after 1 second. SLOW mode has not been set in 2 Head LP mode model.
When STOP key is pressed more than 3 seconds while a cassette tape is in the unit, the cassette
tape is ejected.
8-13.
Power on reset
When the power is turned on, the unit is going to reset and the following datas are cleared.
(1) Position switch data
(2) Operation mode data
(3) Prohibition flags
In case the mechanism is in cassette down position, tape slack is removed as the initial operation and
8-14.
the unit goes to STOP3 position.
Linear time counter operation
The counter value will be gone up/down by counting control pulse.
Play/Rec mode, counter value goes up/down every 30 pulses. As for
mode, counter value goes up/down every 25 pulses.
As for NTSC system during
PAL system during Play/Rec
44

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