KF-42WE620/50WE620
99
KF-42WE620/50WE620
16
15
12
9
8
2
1
1
2
3
4
Q1606
SWITCHING
Q1607
SWITCHING
1
CN1609
CN1907
AC(L)
AC(N)
AC(L)
AC(N)
4
1
3
C32
CN1603
A32
C29
AU-17V
AU-17V
AU+17V
AU+17V
10V
10V
5V
5V
5V
5V
5V
5V
D6.5V
D6.5V
D6.5V
D6.5V
D6.5V
11V
11V
11V
4V
4V
4V
9V
9V
9V
9V
A29
C26
A26
C25
C24
A25
C23
A24
A23
A20
C18
C19
A19
A18
A16
C15
A15
A13
C12
AC-RLY(+)
AC-RLY(-)
A12
C9
A9
C8
A8
A5
33V
A7
A6
SUB7V
A4
POW-CTL
A3
17V-DET
A2
MS3.3V OVP
10V-DET
C1
A1
8
CN1605
7
17V
17V
6.5V
3
6.5V
4
3
CN1602
1
LAMP-GND
LAMP+DC
1
3
4
6
5
11
10
9
8
25
11,12
13,14
18,19
20,21
27
29
10
11
12
13
9
18
14
15
16
17
8
2
1
AC(L)
AC IN
AC(N)
Q1601
SWITCHING
DRIVER
Q1602
SWITCHING
OSC
IC1608
+9V REG.
IC1603
DC/DC CONVERTER.
IC1604
DC/DC CONVERTER.
IC1601
SWITCHING REGULATOR
+11V
D6.5V
25
I
VDD
VOUT
VDD
VOUT
OCL+P
OCL-
AMP-
OCL+P
OCL-
AMP-
O
11,12
13,14
18,19
20,21
27
29
IC1606
+5V REG.
IC1607
+4V REG.
IC1602
SHUNT
REGULATOR
+17V-1
+17V-2
D1625
PS1601
PS1602
D1624
D1609
PH1601
D1623
R1613
D1608
F1602
F1603
T1603
PIT
T1601
SBT
D1614
D1610
D1648
D1601
RECTFIER
PH1602
D1619
D6.5V
VSENSE
VG(H)
+5
VG(L)
OCP
VCI
F/B
+11V
D1602
DUBLER
RECTIFIER
RY1602
Q1604,1605
OFF LATCH
Q1603
RELAY DRIVER
LINE
FILTER
T1906
F1901
Q1613,1622
DOUBLER
RECTIFIER
DELAY
RY1601
D1647
D1649
+17V-1
+17V-2
+11V
D6.5V
D1619
D1639
D1641
D1643
3
2
A
1
LINE
FILTER
T1905
I
O
I
O
K
R
G1 (SWITCHING REGULATOR)
F (LINE FILTER)
TO
LAMP
DRIVER
TO
C1 BOARD
TO A BOARD
CN8902
G
G1 BLOCK DIAGRAM