Explanation Of Circuit; How To Adjust The Clock - Sharp KS-M102 Service Manual

BLOCK DIAGRAM
VR Power supply
circuit
Cooking heater drive
circuit
Warming heater drive
circuit
AC voltage ditector
circuit
VREF Power supply
circuit
TH1
Thermistor plate ass'y
TH71
Room temperature thermistor
Thermistor
temperature
o
( C)
-5.0
0.0
20.0
30.0
50.0
60.0
66.0
68.0
70.0
75.0
100.0
125.0

EXPLANATION OF CIRCUIT

VDD Power supply
circuit
Temp. ditector
circuit
Thermistor
resistance
(kΩ)
TH71 TH71 TH1
45.74 205.6
34.70 159.2
61.48
12.61
8.00 39.72
3.51 17.72
2.42 12.20
9.83
9.16
8.55
1.71
1.45
7.20
0.680 3.23
1.58
LSI-1
Warm temp.
control varied
MODEL NAME
circuit
KS-M102
KS-M182

HOW TO ADJUST THE CLOCK

1. Connect the power supply cord to outlet electric
wall.
2. Press the HOUR button or press MINUTE button
for more than 1 second, the clock display blink.
3. Press the Hour button or press the MINUTE
button to adjust the clock.
If the button is hold down and not released the
clock changes continuous.
The clock display flashes 5 second to
unflashes, will be clock adjusting is complete.
11
Reset signal supply
circuit
Power supply frequency
SYNC signal generating
circuit
Model change
MODEL CHANGE
R76 R77
OPEN 10k
10k 12k