JVC LT-42HB1BU Service Manual page 61

MAIN PWB CIRCUIT DIAGRAM (39/46) [VGA INPUT and SPDIF]
5
L1406
JP1400
D250FD015S116BY
8
DDC_SCL
15 7
VSYNC1
D
14 6
HSYNC1
13 5
DDC_SDA
TXD_PC_O
12 4
RXD_PC_O
11 3
10 2
9 1
C
DET_PWR
C1407
C1406
106p/10V/2012 104p/16V/1005
U1402
1 8
A0 VCC
2 7
A1 WP
VGA_SCL R1423
3 6
A2 SCL
VGA_SDA R1424
4 5
VSS SDA
AT24C08BN-10SU-2.7
B
PC_Audio 1
JP1401
THSE-0734T 1
R 3
5
4
L
2
JP1402
RFT6112
R1415 4R7
2
VCC
R1416 000/1005
1
Vin
C1409
3
GND
104p/16V/1005
4
SH1
5
SH2
A
All location are from 1401 to 1430
5
4
R1427
000 D1400
+3V3_A
KDS226 470/1005
R1418
750/F/1005
1 2
R1428
L1401
000 D1401
KDS226 470/1005
R1402
750/F/1005
1 2
R1429
L1402
000 D1402
KDS226 470/1005
R1404
750/F/1005
1 2
C1404
104p/16V/1005
D1403
L1403 DAN202K
3
BLM18PG300SN1D
R1409
R1407 R1408
472/1005 472/1005 220/1005
OPEN-000/1005 DDC_SCL
OPEN-000/1005 DDC_SDA
RV1406 RV1403
SV060314B431N SV060314B431N
3
2
R L
L1404
CIL10J1R8KNC
RV1404 R1414
SV060314B431N 224/1005
+5V
L1405
CIL10J1R8KNC
SPDIF_OUT
RV1405 R1417
SV060314B431N 224/1005
MAIN PWB(7/46)
MAIN PWB ASS'Y(39/46)
[VGA INPUT and SPDIF]
HU-71100006
4
(No.YA707<Rev.001>)2-85
3
PC_B
RV1401
VSYNC1 SV060305E101N
C1410
OPEN-100p/50V/1005
R1401
PC_G
472/1005
MAIN PWB(13/46)
C1402
OPEN-100p/50V/1005
PC_R
C1403
OPEN-100p/50V/1005
RV1402
HSYNC1 SV060305E101N
R1405
472/1005
+5VSTB
DET_PWR R1425 000/1005 DET_POWER
+5V
R1426 OPEN-000/1005
DET_PWR
R538
472/1005
VGA_SW(H) : EEPROM<->Douglas
VGA_SW(L) : EEPROM<-->VGA
Q521
1
MAIN PWB(7/46)
VGA_SW
MMBT4401
R539
103/1005
PC_RI
MAIN PWB(13/46)
U523
16
VCC
SW_ON
11
S1
10 12
PC_LI S2 1Y0
9 13
S3 1Y1
2
2Y0
6 1
E 2Y1
14 5
1Z 3Y0
VGA_SCL
15 3
2Z 3Y1
VGA_SDA
4
3Z
7
VEE
8
GND
HEF4053BT
3
2-86(No.YA707<Rev.001>)
2
+5V +5V
U1401A U1401B
OPEN-74HC14 OPEN-74HC14
PC_VSYNC
1 2 3 4
R1403 470/1005
C1401
OPEN-102p/50V/1005
+5V +5V
U1401C
OPEN-74HC14 U1401D
OPEN-74HC14
PC_HSYNC
5 6 9 8
R1406 470/1005
C1405
OPEN-102p/50V/1005
+5V +5V
U1401F U1401E
OPEN-74HC14
OPEN-74HC14
13 12 11 10
SW_ON
TXD_PC_O R1419 OPEN-101/1005
RXD_PC_O R1420 OPEN-101/1005
DET_PWR
MAIN PWB(5/46)
M_SCL
DDC_SCL
R1421 000/1005
MAIN PWB(5/46)
M_SDA
DDC_SDA
R1422 000/1005
2
1
PC_VSYNC
D
MAIN PWB(13/46)
PC_HSYNC
C
+5V
C1408
104p/16V/1005
B
TXD_PC
TXD_PC
MAIN PWB(23/46)
RXD_PC
RXD_PC
A
1
hb1_main_0612_40/48_0.0