JVC LT-19DA9 Series Service Manual page 65

MAIN PWB CIRCUIT DIAGRAM (18/22) [Power & Interface Connectors]
5
JP680
SMW250-15
D
1
2
3
4
5
6
POWER UNIT
7
CN1
8
9
10
SMPS_ON
11
AC_DETECT
12
BL_ADJ_O
13
BL_EN_O
14
15
JP681
SMW250-05
KEY_ADC2
5
MAIN PWB(21/22)
4
KEY PWB
C
3 KEY_ADC1
JP2
2
1
+5VSTB
JP682
SMW250-06 L687
BLM18PG300SN1D
6
5
IR PWB
4
JP1
3
R694 OPEN_000/1005
2
1
B
JP683
53014-0410
1
FRONT_BLUE
OPEN 2
3
4
R701
OPEN-000/1005
MAIN PWB ASS'Y (18/22)
A
[Power & Interface Connectors]
HU-71200009
All location are from 680 to 709
5
4
L681 BLM41PG600SN1L
+12V_MPEG
L682 BLM41PG600SN1L
+5V_MPEG
L683 BLM41PG600SN1L
MAX.5.5A
L684 BLM41PG600SN1L
MAX.1A
+5VSTB
C685
MAIN PWB
C687 C688
470uF/16V/BXJ/S
104p/1005
(15/22),(21/22) 106p/2012
MAIN PWB(16/22)
+5VSTB
JP684
OPEN-SMW200-13
13
12
11
10
9
8
OPEN
7
6
C680
5
IR R702
104p/1005
4
R703
3
R704
2
1
IR
FRONT_BLUE
LEDR
LEDR
FRONT_LED_B
MAIN PWB(21/22)
Display
FRONT_LED_B H
4
(No.YA606<Rev.001>)2-41
3
MAX. 1A
+7V
C681 C682
470uF/16V/BXJ/S 104p/1005
MAX.3.5A
+12V
C683 C684
470uF/16V/BXJ/S 104p
+5V
C686
104p/1005
SPI_RST
SPI_CS
SPI_SCL
SPI_SDA MAIN PWB(21/22)
SPI_DAT0
SPI_DAT1
SPI_DAT2
OPEN-000/1005
SPI_DAT3
OPEN-000/1005 FRONT_BLUE
OPEN-000/1005 LEDR
+5VSTB
R680
103/1005
1 Q680
KST4403
Stand-by R693
301/3216
L FRONT_BLUE
DGND
3
2-42(No.YA606<Rev.001>)
2
+5VSTB +5VSTB
R681 R682
472/1005 102/1005
1
MAIN PWB(21/22) STBY_EN
R685
103/1005
STBY_EN H off
STBY_EN L On
MAIN PWB(21/22) IR_IN
+5VSTB
R697
103/1005
1 Q686
MAIN PWB(21/22) LED_R
KST4403
Display Stand-by
LED_R L H
GND_A GND_D
2
1
D
SMPS_ON
Q681
KST4401 C689
OPEN-104p/1005
C
R691
471/1005
IR
R692
OPEN-332/1005
B
R695
301/3216
LEDR
A
1
lt-26da9bj_scaler-17_0529_17/23_0.0