7-6
Inverter Block Diagram
A8AF1BLINV
BA
CK
LIGHT
1
2
1
2
1
2
1
2
1
2
INVER
TER CB
A
LCD MODULE
ASSEMBL
Y
CN1050
CN1100
CN1150
CN1200
CN1250
IS
VS
OV
P
CL1000A
PR
O
TECT3
1
BA
CKLIGHT
-ADJ
3
BA
CKLIGHT
-SW
2
IC1500
(COMPARATOR)
IC1550
(COMPARATOR)
Q1020
2
1
3
13
12
6
5
14
7
IC1001
(INVERTER CONTROL)
2
1
3
13
12
6
5
14
7
9
10
8
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
(CL1000B)
VCC
VCC
4
4
Q1002
T1050
Q1100,
Q1101
Q1102,
Q1103
3
1
4
7
8
6
5
2
T1100
3
1
4
7
8
6
5
2
T1150
3
1
4
7
8
6
5
2
T1200
T1951
TO
PO
WER
SUPPL
Y
BLOCK
DIA
GRAM
AC
L
HO
T
-GND
3
1
4
7
8
6
5
2
T1250
3
1
4
7
8
6
5
2
DRIVE
DRIVE
DRIVE
INVERTER
CONTROL
10
11
14
15
2
3
4
5
7
8
4
5
23
2
1
4
3
2
Q1970
Q1971
IC1930
1
4
3
2
IC1931
Q1931
13
11
19
DRIVE
LOGIC
LOGIC
DRIVE
DRIVE
BA
CK
LIGHT
BA
CK
LIGHT
BA
CK
LIGHT
BA
CK
LIGHT
HO
T
COLD
HOT CIRCUIT. BE CAREFUL.
12
16
Q1972
SWITCHING
Q1930
Q1932