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B
C
D
Date:
KiCad E.D.A. kicad 5.1.10
Rev: 0
Size: A4
Id: 1/1
Title: MT-49
File: toaster.sch
Sheet: /
Yorkwell
C2
39n
2A393J
FL1
1
2
3
4
RS*
1
2
3
4
RS
1
2
3
4
FS*
1
2
3
4
FS
R11
470
R4
470
R6
470
R3
470
R12
470
RL1
R14
39k
R10
4k7
R8
1M2
GND
R2
1k
Z1
4.2V
C4
47µ
VCC
R1*1
680
GND
D1
L1
C3
8.2n
2A822J
GND
VCC
VCC
D2
VCC
GND
VCC
VCC
1
2
3
GND
1
2
3
4
1
2
AC
3Ω
61.3Ω
1
2
3
LP1
GND
GND
R1
680
1
2
3
4
CS
R13
2k
1
2
3
4
5
6
7
8
IC1
GA5214P
GND
C1
470µ
C6
100n
C5
100n
TH1
474
R9
100k
GND
1
2
3
4
CS*
1
2
3
VR1
B250k
1
2
3
Q1
S9014
R15
10k
off-board
heater elements form voltage divider:
3 / (3+61.3) * 230V = 10.7V
4.8V measured with TRMS multimeter;
waveform is half-bridge rectified