7-6
A73F2BLINV
Inverter Block Diagram
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
CL552A
PR
O
TECT3
2
BA
CKLIGHT
-PWM
7
BA
CKLIGHT
-ON
6
PR
O
TECT1
4
IC1500
(COMPARATOR)
IC1550
(COMPARATOR)
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
(CL552B)
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
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
T1300
3
1
4
7
8
6
5
2
DRIVE
DRIVE
DRIVE
DRIVE
INVERTER
CONTROL
10
11
14
15
2
3
4
5
7
8
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
Q1701
HO
T
HOT CIRCUIT. BE CAREFUL.
12
16
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Содержание LT5-M32BB
Страница 1: ...SERVICE MANUAL 32 COLOR LCD TELEVISION LT5 M32BB...
Страница 36: ...8 7 Jack 1 2 Schematic Diagram A73F2SCJ1...
Страница 37: ...8 8 A73F2SCJ2 Jack 2 2 Schematic Diagram...
Страница 38: ...8 9 A73F2SCF Function Schematic Diagram CN102 1 2 3 3 4 4 3 4 5 3 4 6 0 VOLTAGE CHART Pin No Voltage...
Страница 39: ...8 10 IR Sensor Schematic Diagram A73F2SCIR...
Страница 40: ...8 11 Digital Main 1 6 Schematic Diagram A73F2SCD1...
Страница 43: ...8 14 Digital Main 4 6 Schematic Diagram A73F2SCD4...
Страница 48: ...8 19 BA73F0F01032 Jack CBA Top View...
Страница 52: ...8 23 Function CBA Top View Function CBA Bottom View BA73F0F01022 2...
Страница 53: ...8 24 BA73F0F01042 Junction CBA Top Bottom View BA73F0F01022 3 IR Sensor CBA Top View IR Sensor CBA Bottom View...