7-6
LCD Backlight Block Diagram
L2601BLLB
CURRENT
CONTR
OL
SWITCH
Q321
Q324
T301
CN301
LCD MODULE
INVER
TER CB
A
BA
CK
LIGHT
BA
CK
LIGHT
BA
CK
LIGHT
O
VER V
O
LT
A
G
E
PR
O
TECT
OR
Q322,323
1
2
1
2
CN302
CN303
1
2
INV+22V
9
7
3
5
2
6
1
4
10
8
TO
PO
WER
SUPPL
Y
BLOCK
DIA
GRAM
MAIN CB
A
AL+21V
77
CN404
CN304
AL+21V
66
AL+21V
55
AL+21V
44
AL+21V
88
AL+21V
99
CURRENT
CONTR
OL
SWITCH
Q341
Q344
T302
O
VER V
O
LT
A
G
E
PR
O
TECT
OR
Q342,343
9
7
3
5
2
6
1
4
10
8
CURRENT
CONTR
OL
SWITCH
Q361
Q364
T303
O
VER V
O
LT
A
G
E
PR
O
TECT
OR
Q362,363
9
7
3
5
2
6
1
4
10
8
O
VER V
O
LT
A
G
E
PR
O
TECT
OR
Q304
Q306
+10V REG
O
VER CURERENT
PR
O
TECT
OR
Q325
Q305
Summary of Contents for EWL20S5
Page 27: ...8 3 Main 1 5 Schematic Diagram L2601SCM1 ...
Page 28: ...8 4 L2601SCM2 Main 2 5 Schematic Diagram ...
Page 29: ...8 5 Main 3 5 Schematic Diagram L2601SCM3 ...
Page 30: ...8 6 L2601SCM4 Main 4 5 Schematic Diagram ...
Page 32: ...8 8 L2601SCF Function Schematic Diagram ...
Page 33: ...8 9 L2601SCIR IR Sensor Schematic Diagram ...
Page 34: ...8 10 L2601SCI Inverter Schematic Diagram ...
Page 38: ...8 14 Inverter CBA Top View BL2500F01021 Inverter CBA Bottom View ...
Page 52: ...EWL20S5 L2601UB 2006 05 29 ...
