JVC LT-19DA9 Series Service Manual page 63

MAIN PWB CIRCUIT DIAGRAM (16/22) [LVDS Connector]
1
D
MAIN PWB(3/22)
BLT_ADJ Min --> Bri. MAX
BLT_ADJ Max --> Bri. MIN
For 32inch CMO 50/60Hz switching
H 60Hz
L 50Hz
C
TP880
TXA0-
TP881
TXA0+
TP882
TXA1-
TP883
TXA1+
TP884
TXA2-
TP885
TXA2+
TP886
TXACLK-
TP887
TXACLK+
TP888
TXA3-
TP889
TXA3+
MAIN PWB(4/22)
TP890
TXB0-
TP891
TXB0+
TP892
TXB1-
TP893
TXB1+
TP894
TXB2-
TP895
TXB2+
TP896
TXBCLK-
TP897
TXBCLK+
TP898
TXB3-
TP899
TXB3+
B
MODULE_POWER
TP15
TP900
1
MAIN PWB ASS'Y (16/22)
[LVDS Connector]
A
HU-71200009
All location are from 630 to 659
1
2
+3V3D
+3V3D
R631
R632
202/1005
472/1005 R634
102/1005
R635
103/F/1005
1
Q631
BRT_ADJ
KST4401
+3V3D
R643
OPEN-103/1005
R644 JP630
000/1005 FW12501-31A
1
1 TP10
2
1 TP10
3
1 TP10
4
1 TP10
5
1 TP10
6
1
TP10 7
8
1
TP10 9
1
TP10 10
1 TP10
11
1 TP10
12
1 TP10 13
1 TP10
14
15
1 TP10
16
1 TP10
17
18
1 TP10
19
1
TP10 20
1
TP10 21
1
TP10 22
1
TP10 23
1 TP10
24
25
26
27
28
29
30
31
2
(No.YA606<Rev.001>)2-37
3 4
BL_ADJ_O
BL_ADJ_O MAIN PWB(18/22)
C630
105p
MAIN PWB(3/22),(21/22)
BLT_EN L On
BLT_EN H off
PANEL CONTROL
Module Power Samsung
L630 OPEN
L631 SHORT
+12V
+5V
L631 L630
BLM31PG121SN1L OPEN_BLM31PG121SN1L
LCD PANEL UNIT
[LCD CONTROL PWB]
C632
106p/3216
32
33
3 4
2-38(No.YA606<Rev.001>)
5
+3V3D +3V3D
R637
472/1005
R638
R640
000/1005
472/1005
1
Q632
BLT_EN
R641 KST4401
103/F/1005
LPL&CPT
MODULE_POWER
SHORT
C636
OPEN
106p/3216
U630
SI4925BDY
C633 R645
104p 472/1005
R648
000/1005
Q634
FDV301N_NL
1 R647 474/1005
PANEL_PWR
C637 R646
105p/1005 472/1005
5
6
BL_EN_O
BL_EN_O MAIN PWB(18/22)
D
C631
104p/1005
C
B
PANEL_PWR H On
PANEL_PWR L off
MAIN PWB(3/22)
A
6
lt-26da9bj_scaler-15_0529_15/23_0.0