Inverter Block Diagram - JVC LT-19DA9BJ Service Manual

INVERTER BLOCK DIAGRAM

JUNCTION
PWB
CL403 CN403A
TO POWER
FEEDBACK 2
SUPPLY
BLOCK INV+22V 3,4
DIAGRAM
+35V 1
(CN105A)
TO SYSTEM CL403 CN403A
CONTROL
BACKLIGHT-SW 9
BLOCK
PROTECT3 8
DIAGRAM
(CN105A)
Q411
CN403B
OVER CURRENT
2 FEEDBACK 2
PROTECTOR
3,4 INV+22V 3,4
1 +35V 1
Q401
Q402
CN403B
9 BACKLIGHT-SW 9
8 PROTECT3 8
(No.YA683<Rev.001>)2-17
INVERTER PWB
Q406
SW+22V
CURRENT
!
CONTROL
Q408
SWITCH
Q405
Q404
Q403
2-18(No.YA683<Rev.001>)
CN401
!
T401
9 14
4
5
10 13
7
2
1 11
6
8
3 12
CN402
Q412
OVER CURRENT
PROTECTOR
JS411
Q410
OVER VOLTAGE
PROTECTOR
1 BACK
LIGHT
2
1 BACK
LIGHT
2
LCD PANEL UNIT