Tascam 133-B - 3-3. MULTIPLEXER FOR AUTO-PRESENT SWITCHES

Operating mode -
alae
o = o
— a
- 5
-
wm
- a
=e
i
elx ele ele ciz e[e ef[e cl[e cys
STOP
2) m o
ele
PLAY
Pa
He
erler else ef[xr rl[er rym ole
ee
f:
q < x
s xl xix «xix «iam cl «| KK x
Ge
|
re x
=x
REC MUTE
er ele cle erf[e eile el} et tier rylx
Ke rile xfer ele ele ef eye st
Es
x
x=
<1 xX
REC SAFETY
x «|<
x lx xl KL KL OL Kl kK xX x «ele «|= xl KK Km LK KK xX
s xix |x w|i KK KK KL XK
xs xix «im ml KL KK KL KK OX
xe «(xe cl «| «| KKK KL HK KK OK
zoel «|x KL LK KK KK KK OX
4H: --HIGH-Voltege-Level
L: LOW Voltage Level
X: Bon't Care
Table 3-2. Truth table of operating commands
3-3. MULTIPLEXER FOR AUTO-PRESENT
SWITCHES
This multiplexer works to hold a command and
transmit it to the controller in order to deter-
mine whether to maintain Stop mode or to re-
wind the tape. after a momentary pause; when
the tape has come to a halt by CUE signal during
playback and, if the tape is to be rewound,
whether to restart playback or not after the tape
has been rewound to the beginning end or to the
location where the tape counter reads zero, The
pin assignments, logic diagram, and truth table
of the multiplexer are given below.
TOP VIEW
Fig. 3-4. Pin arrangement