9-6
Inverter Block Diagram
A74G0BLINV
BA
CK
LIGHT
1
2
1
2
1
2
1
2
1
2
1
2
INVER
TER CB
A
LCD MODULE
ASSEMBL
Y
CN1050
CN1100
CN1150
CN1200
CN1250
CN1300
IS
VS
OV
P
CN552
P-ON-H
5
BA
CKLIGHT
-PWM
7
BA
CKLIGHT
-ON
6
PR
O
TECT1
4
IC1500
(COMPARATOR)
IC1550
(COMPARATOR)
V-REF
V-REF
Q1020
DRIVE
2
1
3
13
12
6
5
14
7
IC1001
(INVERTER CONTROL)
IC501
(POWER
CONTROL)
2
1
3
13
12
9
10
6
5
14
8
7
9
10
8
V-REF
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
(CN3001)
VCC
VCC
4
4
Q1002
Q1003
Q1001
T1050
Q1100,
Q1101
Q1102,
Q1103
Q1250,
Q1251
Q1252,
Q1253
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
T501
TO
PO
WER
PUPPL
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
T1300
3
1
4
7
8
6
5
2
T1350
3
1
4
7
8
6
5
2
T1400
3
1
4
7
8
6
5
2
DRIVE
DRIVE
DRIVE
DRIVE
INVERTER
CONTROL
13
14
16
17
5
6
7
8
2
3
4
5
23
2
1
4
3
2
D557
Q551
Q552
IC509
1
4
3
2
IC510
Q501
Q502
SHUNT
REG
SW
2
5
3
7
1
PO
WER
CONTR
OL
13
11
19
DRIVE
LOGIC
LOGIC
DRIVE
DRIVE
BA
CK
LIGHT
BA
CK
LIGHT
BA
CK
LIGHT
BA
CK
LIGHT
BA
CK
LIGHT
1
2
1
2
CN1350
CN1400
BA
CK
LIGHT
BA
CK
LIGHT
Q1701
HO
T
HOT CIRCUIT. BE CAREFUL.
12
16
IC1600
(COMPARATOR)
6
5
7
9
10
8
VCC
4
DRIVE
Q1600,
Q1601
DRIVE
Q1602,
Q1603
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
AvigA
profesionales
en
electrónica
