Sharp R-8R51 - Page 26

3 BH57(W)
A gAsT (8)
PIN
NO
16
SIGNAL
P41
|
1/0
OUT
;
Oven
lamp
and
Turntable
motor
driving
signal.
.
:
[he
square
waveform
voltage
is
delivered
to
the
RY1
driving
circuit
and
relays
(RY2,3,4.6.9)
control
circuit:
PIN NO.
“49 SIGNAL P40
Damper motor relay drivng signal. ARN Saar Wena
—Fe-tutr-er-anc oft shut-off relay (R¥5)- ee
PIN NO. 18 SIGNAL
Surge
limiting
relay
driving
signal.
:
The
surge
limiting
relay
is
designed
to
turn
on
20
msec.earlier
than
the
cook
relay
(RY2).
P37
(RO932A12)
PIN NO.
19
rm
aa
(°c
©)
2
Convection
motor
driving
signal.
To
turn
on
and
off
shut-off
relay(RY6).
=- -H GND
During OFF
eyo : : 1 " . copking
"level
during
convection:
“H”level
otherwise.
nw]
(Convection)
ie)
-----k
PINNO.
|
20
OU
OO
as
cin
tase
tales
Mee
OUI
a
se
ao
yt
Convection
heater
driving
signal.
|
To
turn
on
and
off
the
convection
heater
relay(RY3).
“L'level
during
convection
or
dual
cooking;
“H“level
otherwise.
: : s
.
rt
"
rm
i:
GHD
During
convection
cooking,
the
signal
becomes
"H"level
when
the
awed
OFF
temperature
of
the
oven
cavity
exceeds
the
predetermined
temperature.
on
[SSaevection
or
duet}
(RO932A16)
PIN NO. 21 SIGNAL = P34
Cooling
fan
motor
driving
signal.
-_
ee
To
turn
on
and
off
the
shut-off
relay(RY7).
“L"level
during
cooking:”H”
level
otherwise.
24