Aiwa HV-E212 - IC Descriptions and Pinouts

¢ IC DESCRIPTION
2.
IC,
UPD75108CW
—
W02
om
iC101)
Pin
Name|
//0O
Description
Loaf
Used
during
production
(Fixed
at
“H”).
JOG
VD
pulse
input
during
PAUSE/CUE/REV.
I
Receives
a
control
signal
from
the
light
receiving
block.
REMOCON
5~8 X0~X3
|
|
Slijz
_ oO
oO
td
(Fixed at “L”)
Selects AUTO PLAY or not.
atrix output.
AUTO PLAY I
:
CLEAR. P
E
ra
Matrix input (Fixed at “L”).
(Fixed at “L”).
—
Transfers
a
clock
signal
to
the
servo
IC.
Transfers data to the servo IC.
;
pars
g
oO
un
2
— 8
4 °
co
re]
=A °
t=]
ho]
E. yn Oo = fo}
a. @o ot 8
fst) ion
t=} :
a a
ot fo}
Ko) Lo]
3, f=]
oq
°
aad ct
ima @ “4 oO ao
8,
Bi.
Clear picture control signal (Not used).
Rec
tt
Receives
an
RF
SWP
pulse
from
the
servo
IC
to
detect
abnormal
stopping
of
the
drum.
Bae
es
Tape end detection input.
Tape start detection input.
6
4
uw) O all *
|
I
REC
SAFETY
detection
input.
Cassette loading detection input.
j
Cassette insertion detection input.
iW)
Cassette
ejection
(ejection
complete)
detection
input.
:
Font
Fixed to +5V power supply).
IC power supply (+ 5V).
Outputs
“H”
during
CUE/REVIEW.
w
8
Outputs
a
reset
pulse
to
the
tracking
microprocessor.
A
MUTE1
Mutes
the
audio
output.
Muting
is
released
when
play
starts.
nv
ra hae)
Mutes
the
audio
output.
“H”
during
MUTE.
(NC)
Mutes
the
video
output.
Muting
is
released
when
play
starts.
Outputs
“H”
when
the
operation
becomes
stable
after
STOP
is
switched
to
REC
or
REC
PAUSE
is
switched
to
REC.
(NC)
Drum rotation on/off control.
= >
BREE
Tape
loading
motor
forward
rotation
control.
hb
ct
=
|
xy
1
Tape
loading
motor
reverse
rotation
control.
Capstan
motor
forward
rotation
control.
Capstan
motor
reverse
rotation
control.
Hard reset.
Pepe
glele
=a \hou bole
Aly) wz
Connected to the clock generator.
55