Hitachi D-E99 Service Manual page 19

l
Pin
No.
40
41
42
Pin Symbol
PLAY
INDI.
PAUSE
INDI.
REC
INDI.
Function
• PLAY indicator drive output pin. Flashing pulse is output synchronizing with the reel
pulse input during REC and PLAY. When the time of light gone off becomes 500 ms, Hi
potential is output regardless of presence/absence of the reel pulse input.
· Outputs Hi potential during REC-PAUSE and PLAY-PAUSE.
· When the REC and PLAY buttons are pressed simultaneously within 3 sec after power is
supplied and reset is completed, or during the timer recording or play, flashing pulse is
output with 180 ms period for 3 sec. after resetting, and Hi potential is output after
elapse of 3 sec.
· PAUSE indicator drive output pin. Outputs Hi potential during REC-PAUSE and PLAY-
PAUSE.
· Flashing pulse is output with 1.3 sec. period during the AUTO REC MUTE, and Hi
potential is output after AUTO REC MUTE is completed .
. Flashing pulse is output with 160 ms period during the timer stand-by mode and the Lo
potential is output after the mode is complete.
MUTE button FF, REW button
I
Y
Tape end
( REC
x.
STOP , REW FF : STOP
I ) : I
I
I
I \
l.3s
--.J
160ms
4s--~.-l
(AUTO REC MUTE)
· REC indicator drive output pin. Outputs Hi potential during REC, REC-PAUSE and
REC-HOLD.
· When the REC and PLAY buttons are pressed simultaneously within 3 sec. after power is
supplied and resetting is complete or during the timer recording, flashing pulse is oLtput
with 180 ms period for 3 sec. after resetting is completed, and Hi potential is output after
3 sec.
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