Sharp LC-15AV7U

8-7
LCD Backlight Block Diagram
A7121BLLB
CURRENT CONTROL SWITCH Q421
Q424
T401
CN401
LCD MODULE
BACK LIGHT BACK LIGHT
OVER VOLTAGE PROTECTOR
Q422
1 2
CN403
1 2
INV+22V
9 7
3 5
2 6 1 4
10
8
TO POWER SUPPLY BLOCK DIAGRAM
MAIN CBA
CURRENT CONTROL SWITCH Q461
Q464
T403
OVER VOLTAGE PROTECTOR
Q462
9 7
3 5
2 6 1 4
10
8
OVER VOLTAGE PROTECTOR
Q404
Q406
+10V REG.
OVER CURERENT PROTECTOR
Q425
Q405
SWITCHING
SWITCHING
SWITCHING
BACKLIGHT-ADJ
Q401
SW+22V
TO SYSTEM CONTROL BLOCK DIAGRAM
SWITCHING
Q407
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.