JVC LT-26DB1BU/AX Service Manual page 46

MAIN PWB CIRCUIT DIAGRAM (15/28) [VGA INPUT and SPDIF]
5
JP521
D250FD015S116BY
D
8 DDC_SCL
15
VSYNC1
7
14
HSYNC1
6
13
DDC_SDA
5
12
4
11
3
10
2
9
1
C
DET_PWR
C528
C527
106p/10V/2012 104p/16V/1005
U522
1 8
A0 VCC
2 7
A1 WP
VGA_SCL
3 6
A2 SCL
VGA_SDA
4 5
VSS SDA
AT24C08BN-10SU-2.7
B
1
PC_Audio
JP522
THSE-0734T
1
R 3
5
4
L
2
JP523
RFT6112
R535
2
Vcc
R536
1
Vin
C530
3
GND
A
104p/16V/1005
4
SH1
5
SH2
All location are from 521 to 550
5
4
L521
BLM18AG121SN1D D521
+5V
KDS226
R522
750/F/1005
1 2
OPEN-100p/50V/1005
L522
BLM18AG121SN1D D522
KDS226
R525
750/F/1005
1 2
OPEN-100p/50V/1005
L523
BLM18AG121SN1D D523
KDS226
R528
750/F/1005
1 2
OPEN-100p/50V/1005
C525
104p/16V/1005
D524
L524 DAN202K
3
BLM18PG121SN1D
R531 R532 R533
472/F/1005 472/F/1005 220/1005
R540 000/1005 DDC_SCL
R541 000/1005 DDC_SDA
RV523 RV524
SV060314B431N SV060314B431N
3
2
R L
L527
CIL10J1R8KNC
RV525
SV060314B431N
+5V
4R7 L528
CIL10J1R8KNC
000/1005
SPDIF_OUT
MAIN PWB (7/28)
RV526
SV060314B431N
4
(No.YA698<Rev.001>)2-35
3
PC_B
VSYNC1
C521
R524
472/F/1005
PC_G
MAIN PWB (12/28)
C523
PC_R
C524
HSYNC1
R529
472/F/1005
+5VSTB
DET_PWR R544 000/1005 DET_POWER
+5V
R545 OPEN-000/1005
VGA_SW(H) : EEPROM<->Douglas
VGA_SW(L) : EEPROM<-->VGA
1
MAIN PWB (7/28) VGA_SW
R539
103/1005
U523
PC_RI VCC
SW_ON
11
S1
10
S2 1Y0
R534
9
S3 1Y1
224/1005
MAIN PWB
(12/28)
2Y0
6
E 2Y1
14
1Z 3Y0
VGA_SCL
15
PC_LI
2Z 3Y1
VGA_SDA
4
3Z
VEE
R537
GND
224/1005
HEF4053BT
3
2-36(No.YA698<Rev.001>)
2
+5V +5V
U521A U521B
OPEN-74HC14 OPEN-74HC14
RV521
SV060305E101N
1 2 3 4
R526 000/1005
C522
OPEN-102p/50V/1005
+5V +5V
U521C
OPEN-74HC14 U521D
RV522 OPEN-74HC14
SV060305E101N
5 6 9 8
R530 000/1005
C526
OPEN-102p/50V/1005
+5V +5V
U521E U521F
OPEN-74HC14 OPEN-74HC14
11 10 13
DET_POWER
R538
472/1005
SW_ON
Q521
MMBT4401
DET_POWER
16
12
13
2 MAIN PWB (5/28)
M_SCL
DDC_SCL
1
R542 OPEN-000/1005
5 MAIN PWB (5/28)
M_SDA
DDC_SDA
3
R543 OPEN-000/1005
7
8
MAIN PWB ASS'Y (15/28)
[VGA INPUT and SPDIF]
HU-71100005
2
1
PC_VSYNC
D
PC_VSYNC
MAIN PWB
(12/28)
PC_HSYNC
PC_HSYNC
C
+5V
C529
12
104p/16V/1005
B
A
1
lt-26_32db1bu_0514_13/30_0.0