Philips LC4.1E Service Manual page 32

Circuit Diagrams and PWB Layouts
SSB: Scaler I/O
1 2
SCALER I/O
B8
A
F478 2485
1u0
3482
75R
DVI-I CONNECTOR
2486
F479
1485-4
1u0
3484
YKF45-7005
75R
F480
25 C1 C2 26
2487
B
27 C3 C4 28
1u0
3486
75R
F481 3487
1K0
C ROW_C
1485-3
17
18
19
20 NC
21 NC
22
23
24
YKF45-7005
ROW_B
1485-2
D
9
10
11 6485
12 NC
6486
13 NC BAS316
I486 I488
I483 3489 100R
14
I484
3490 10K
15
3491
F485 1K0
16 DVI_DET
B6
3492 1K0
YKF45-7005
ROW_A
1485-1
E
RX2n B6 B2
1
RX2p B6
2
B2
3
4 NC
B7
NC
5
SCL_DVI
3496 100R F506 B7
6
B6,B7
3497 100R B7
SDA_DVI
7
8 F507
YKF45-7005
VS_PC
F484
3493
F
1K0
3494
2489
22p 2K2
FOR EMC
DDC_DVI_5V
2490
7490
100n
M24C02-WMN6 8
Φ
(256x8) I487
7
G
WC
3495
EEPROM
10K
1 6
0 SCL
2
1 ADR
3 5
2 SDA
3514
10K
3515
10K
3139 123 6019.1
1 2
LC4.1E AB 7.
3 4 5
PROVISION FOR DVI-COMB1
1463
F474
1
F475
2
F476
3
F477
4
5
6 7
BM05B-SRSS-TBT
3481
B_Pb_PC
22R
3483
R_Pr_PC
22R
3485
G_Y_PC
22R
HS_PC
2488 3488
22p 2K2
FOR EMC
B6
RX0n
B6
RX0p
R_SDTV F471
3507
B2
220R
B6
RXCp
B6
RXCn
G_SDTV F472
3503
B2
220R
B6
RX1n
B6
RX1p
B_SDTV F473
3505
B2
BAS316
+5VSW 220R
5485 I485
DDC_DVI_5V
H_CS_SDTV F501
V_SDTV F502
PLL_SEL F504
VDD
I492
F505 5514
FBIN
2518
2514 2517
7516
15p 10n 10n
MK1575-01G
A D
1 10
VDD
REFIN 1
CLK 12
Φ
2
13
OE
14
PLL
FCLK
2 16
0 FBIN
4520 5
FS I496
1
680p
11 8 2516
2 CHGP
3520 33K
15 9
NC CHGR
GND
A D
DDC_DVI_5V
3 4 5
32
6 7 8
7461
5V4
SM5301BS-G
Φ
VCC VCC
9
DISABLE
23
THROUGH
0V
22
MUXSEL
3V3 4
NC1
26
GSR1
8
NC2
25
RINA|YINA
2V3 28
I512
NC3
I462
2477 1u0 27
RINB|YINB
0V
3502
2 17
GSG1 ROUT|YOUT
220R
1V6
1
GINA|UINA
2V3 14
I513
GOUT|UOUT
I463
2478 1u0 3 1V6
GINB|UINB
0V
3504 6 11
GSB1 BOUT|VOUT
220R
1V7
5
BINA|VINA
2V3
I514
I464
2479 1u0 7
BINB|VINB
0V
2483
3506
20
RFC
220R 100n
0V3
21
VFC
0V3
GND GND_HS
+3V3STBY
SYNC
2463
SELECTION
7463
74HC4053D VDD
MDX
+3V3STBY
6
G4
I517
5520
0V2 13 14
1
HS_PC 0V 12
0V2
2
11
2513
4X1
2520
2519
3V3
10u
4X2
1n0 100n
16V I518
1 15
VS_PC 2
0V
10
3V3
3 4
5
I494
9
3V3 * *
I493
2515 10n 3501
VEE VSS
10K
6 7 8
9 10
I57
ITV INTERFACE
1462
SC1_CVBS_RF_OUT
1
2
3
4
5
6 7
BM05B-SRSS-TBT
F487
+5VSW
F489
2471 2472 2473 2474 2475
100n 100n 100n 100n
47u
6.3V
I516
F497
3478
100K F498
RES 4510
2510
+3V3STBY
100n
7510-1 7510-2
74LVC14APW 74LVC14APW
14 14
3512
1 2 3V1 3 4
100n 0V2
0V2
220R
7 F499
7
3V3
7510-3
74LVC14APW
3511 14 14
F503
220R 3513
5 6 3V3 9 8
0V 0V
220R
7510-4
7 7
74LVC14APW
RES 4511
4X INVERTER SCHMITT-TRIGGER
7510-6
7510-5
74LVC14APW
14
74LVC14APW 14
10 13 12
3V 11 0V3 3V
7
7
9 10
11
1462 A10 F478 A2
1463 A4 F479 A2
B8 1485-1 E1 F480 B2
1485-2 D1 F481 B2
1485-3 C1 F484 F1
1485-4 B1 F485 E1
2463 E8 F487 B9
2471 C8 F489 C8
2472 C8 F497 D10
2473 C9 F498 D10
A
2474 C9 F499 E11
2475 C9 F501 E3
B2,B10
2476 E6 F502 E3
B2 2477 C6 F503 F11
H_CS_SDTV
V_SDTV B2
2478 D6 F504 E3
2479 D6 F505 E3
2483 D8 F506 E2
2485 A3 F507 F2
2486 A3 I462 C7
2487 B3 I463 D7
PC_HD_SEL
B7
2488 C3 I464 D7
2489 F2 I483 D1
2490 G2 I484 D1
2510 E10 I485 D3
B
2513 F6 I486 D2
2514 F4 I487 G2
2515 F6 I488 D3
2516 F5 I492 E5
2517 F5 I493 F6
2518 F5 I494 F6
2519 F6 I496 F5
2520 F6 I512 C6
3471 E7 I513 D6
3478 D9 I514 D6
3481 A3 I516 D8
C
3482 A3 I517 E8
3483 A3 I518 F8
3484 B3 S485 A2
3485 B3 S486 B2
3486 B3 S487 B2
3487 B3 S488 C2
R_MUX B6
3488 C3 S489 F1
3489 D2 S496 E1
B6
G_MUX 3490 D2 S497 E1
3491 E2 S498 E2
3492 E2
B6
B_MUX
3493 F1
D
3494 F2
3495 G2
HD_FILTER
B7
3496 E1
3497 E1
SD_PCHD_SEL B7
3501 F7
3502 C6
3503 D5
3504 D6
3505 D5
3506 D6
3507 C5
CS_HSYNC
B6 3510 E8
E
3511 F8
3512 E10
3513 F10
3514 G3
3515 G2
3520 F5
4463 F8
VSYNC
B6
4464 F8
4510 D9
4511 F9
4518 G10
F
4519 G9
4520 F4
5462 B8
5485 D3
5514 E4
5520 E6
6485 D3
6486 D2
7461 B7
7463 E7
7490 G1
7510-1 E9
G
7510-2 E10
7510-3 E9
7510-4 F10
7510-5 F9
7510-6 F10
7516 F4
F471 C5
F472 D5
F473 D5
F474 A5
F_15310_014.eps
F475 A5
300605
F476 A5
F477 A5
11