FUNAI LC5-D20BB - LCD Backlight Block Diagram

7-6
A7340BLLB
LCD Backlight Block Diagram
CURRENT CONTROL SWITCH Q421
Q424
T401
CN401
LCD MODULE
BACK LIGHT BACK LIGHT
OVER VOLTAGE PROTECTOR
Q422,423
1 2
CN403
1 2
9 7
3 5
2 6 1 4
10
8
TO POWER SUPPLY BLOCK DIAGRAM TO SYSTEM CONTROL BLOCK DIAGRAM
MAIN CBA
CURRENT CONTROL SWITCH Q461
Q464
T403
OVER VOLTAGE PROTECTOR
Q462,463
9 7
3 5
2 6 1 4
10
8
OVER CURERENT PROTECTOR
Q425
Q406
Q405
Q404
+10V REG.
Q401
Q402
Q403
Q407
INV+21V +35V BACKLIGH-SW BACKLIGHT-ADJ PROTECT-1
SW+21V