JVC LT-19DA9 Series Service Manual page 56

MAIN PWB CIRCUIT DIAGRAM (9/22) [VGA Input & SPDIF]
5
JP290
OPEN_HD-SF1511G-0
8
8
DDC_SCL1
15
15 7
7
VSYNC1
14
14 6
D 6
13 HSYNC1
13 5
5
12 DDC_SDA1
12 4
4
11
11 3
3
10
10
2
2
9
9
1
1
C
R303
C290
OPEN_104p/1005
C294 C295
OPEN_106p/2012 OPEN_104p/1005 R305
OPEN_472/1005
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
U292
OPEN_AT24C08A
B
1
JP291
1
R 3
5
4
L 2
OPEN_THSE-0734T
2
R313 4R7
Vcc
1
R314
Vin
3
A
GND
C299
104p/1005
4
SH1
5
SH2
JP292
RFT6112
All location are from 290 to 329
5
4
+5VSTB
R290 OPEN_000/1005
R291
1 2 OPEN_750/F/1005
D290
OPEN_KDS226
R294 OPEN_000/1005
R295
1 2 OPEN_750/F/1005
D291
OPEN_KDS226
R296 OPEN_000/1005
R297
1 2
OPEN_750/F/1005
D292
OPEN_KDS226
OPEN_000/1005
D293
OPEN_DAN202K
3
+5VSTB
R306
OPEN_472/1005
MAIN PWB(3/22),(4/22)
R308 OPEN_000/1005 DDC_SCL1
R309 OPEN_000/1005 DDC_SDA1
RV293 RV294
OPEN_SV060314B431N OPEN_SV060314B431N
3
2
R L
L290
OPEN_CIL10J1R8KNC
PC_RI
RV295
OPEN_SV060314B431N R312
OPEN_224/1005
L291
OPEN_CIL10J1R8KNC
PC_LI
+5V
RV296 R315
OPEN_SV060314B431N OPEN_224/1005
000/1005
SPDIF_OUT
MAIN PWB(19/22)
4
(No.YA606<Rev.001>)2-23
3
PC_B
VSYNC1 R292 OPEN_000/1005
R293 OPEN_SV060305E101N
PC_G MAIN PWB(10/22)
OPEN_472/1005
PC_R
HSYNC1 R298 OPEN-000/1005
R299 OPEN_SV060305E101N
OPEN_472/1005
+5VSTB
R304
OPEN_103/1005
R307
OPEN_103/1005 Q290
1 OPEN_KST4401
SELECTION2
C296
OPEN_104p/1005
1
IN0VS
Y0B
PC_VSYNC 5
YIB
2
MAIN PWB(13/22) Y2B
4
Y3B
12
IN0HS Y0A
PC_HSYNC 14
Y1A
15
Y2A
11
Y3A
MAIN PWB(4/22)
PC/HDMI SYNC SEL
SELECTION 2
3
2-24(No.YA606<Rev.001>)
2
+5VSTB +5VSTB
U290A U290B
OPEN_74HC14 OPEN_74HC14
1 2 3
RV291 C291
OPEN-102p/1005
+5VSTB +5VSTB
U290C U290D
OPEN_74HC14 OPEN_74HC14
5 6 9
RV292
C292
OPEN-102p/1005
+5VSTB +5VSTB
U290E
OPEN_74HC14 U290F
OPEN_74HC14
11 10 13
+5VSTB
R310
OPEN_100/1005
3
VSYNC
ZB
C297
R311 OPEN-220p/1005
OPEN_100/1005
13
HSYNC
ZA
C298
OPEN-220p/1005
U291
OPEN_CD4052BM96
PC HDMI
L H
MAIN PWB ASS'Y (9/22)
[VGA Input & SPDIF]
HU-71200009
2
1
4 PC_VSYNC
D
8
PC_HSYNC
+5VSTB
C
C293
12 OPEN_104p/1005
B
MAIN PWB(4/22),(13/22)
A
1
lt-26da9bj_scaler-08_0529_8/23_0.0