Samsung S3F84B8 - Manual (Page 13)

S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION
2-7
2.3 SYNCHRONIZATION CIRCUIT
R9
2KJ
R23 2K
C23 102
+18V
R12
2K7
R6
220K/0.5W
FUSE1
10A/250V
1
4
3
2 - +
BRIDGE
D15XB80H18
R28 51R
+ C28
25V/100uF
D8
4148
R36
10R
R37
10K
C22
0.1uF/275V
SY S_I
Q1
8050
R25
24K Sy n_P
Q5
8550
Q4
8050
L2
CHOKE
IGBT
FGA15N120
L3
IGBT_V_P
IGBT Driver
C20
0.24uF/1200V
Q2
8050
R21
2K
IGBT over voltage protection
R22
2K
C17
101
COOKER
C19
4uF/400V
IGBT_CTRL
R7
220K/0.5W
R8
220K/0.5W
R50
CONSTANTAN
AC_L
AC_N
R24
1K
R3
470K/0.5W
R10
470K/0.5W
R2
220K/0.5W
R11
5K6
Sy n_N
PWM
Figure 2-3 Power Supply Circuit