Sharp R-8R51 - Page 27

HI
i
Signal to ‘sound buzzer.
R BAST W)
R 8RATB}
PIN
NO.
22
SIGNAL
P33
1/0
OUT
Magnetron high-voltage circuit driving signal.
To turn on and off the cook relay(RY2).
In
high
operation,
the
signals
holds
“L”
level
during
HIGH
i;
microwave
cooking
and
"H"
level
while
not
cooking.
=
:
In
other
cooking
modes
(MED
HIGH,
MED,
MED
MED
si
ances
a
LOW,
LOW)
the
signal
turns
to
“H”
level
and
“L"
OFF
ON
level in repetition according to the power level. MED 18 sec tae |
OFF
ON
MED LOW i eS
eae
ON ; KH GND
Low ef
OFF
32 sec :
PINNO. | 23
i ee
SIGNAL
A: Key touch sound.
B: Completion sound.
C: When the temperature of the oven cavity reaches
the preset temperature in the preheating mode, or
when the preheating hold time (15 minutes) is elapsed.
PINNO.
|
24
SIGNAL
|
P31
_/O
IN
l
Signal
Synchroniced
with
commercial
power
source
frequency.
GN
This
ts
the
basic timing
for
all
time
processing
of
LSI.
PINNO.
|
25
signal
|
P3000
EO,
OUT
Rotisserie:
motor
driving
signal.
Shae
To
turn
on
and
off
shut-off
relay(RY8).
During
eer
"L” level during cooking; “H”level otherwise. | SEs US Mes L
PINNO.
|
26
SIGNAL
|
CNVSS
We
AGE:
|
SNe
Connected
to
VC
PINNO. = 27
Auto clear terminal.
Signal
is
input
to
reset
the
LSI
to
the
initial
state
when
power
is
supplied.
Temporarily
set
to
“L”
level
the
moment
power is supplied, at this time the LS/ is reset. Thereafter set at “H" level.
SIGNAL § RESET
(RDS3IMASL)
PIN
NO.
SIGNAL
.
XIN
1/0.
IN
Internal élock aie frequency setting Soudt.
The
internal
clock
frequency
is
set
by
inserting
the
ceramic
filter
oscillation
circuit
with
respect
to
XOUT
terminal.
SIGNAL © XOUT
Internal clock oscillation frequency control output.
Output to contro! osciilation input of XIN.
25