Heater Lamp Control Circuit; Reset Circuit - Toshiba e-studio120 Service Manual

R154 R155
1kF 1MF
D101
MA700
R158
10kF
VCC3
D102
2
3
1
DA204K
or KDS226
(9-C2) RTH_IN
C197
22000p
VCC3
R171
1.2kF
R173
10kF
t
Thermistor
Heat Roller
VCC3 12V VCC3
R156 R157
7.5kF 1kJ
IC120A
3
+ 1
2
-
NJM2903
12V
R159
or KIA393F
4.3kF
C196
0.1u
VCC3
D103
2
3
12V
1
DA204K
or KDS226
R169
IC122A
R170
3 300J
+ 100J
1
2
-
LM358 C198
12V
or KIA358F
0.1u
C199
0.1u
12V 5V
R172
10kJ
IC120B
5
+
7
6
-
NJM2903
or KIA393F C200
22000p
CPU
Reset _OUT
P34
/RES
VCC3 VCC3
R114
11kF IC104 R115
10kJ
1 8
NC NC
2 7
IN VCC
3 6
NC OUT
4 5
GND Cd
R117
M51957BFP
10kF C124
0.1u
FTH (5-B2)
IC205
1 16
I1 O1
2 15
I2 O2
3 14
I3 O3
4 13
I4 O4
5 12
(3-3B) HL
I5 O5
6 11
I6 O6
HT EMP
7 10
I7 O7
8 9
COM NC
TD62503F
RTH (1-A3)
THOPEN (4-A3)
(ASIC Reset)
ASIC
C125
22000p
SW5V
D103
1SS133
GND
Q205
DTA143XKA
IN
OUT
/HL
HLOUT (10-3A)
To AC circuit
(Heater lamp
Control)
CPU
AN0