Scaler Io - Philips LC4.1U AA Service Manual

Circuit Diagrams and PWB Layouts
TV & Scaler Board: Scaler IO
1 2

SCALER IO

R_SDTV
F471 3507
A2
A
220R
G_SDTV F472
3503
A2
220R
B_SDTV
F473 3505
A2
220R
B
1461
1 F474
RED_PR
2
F475 GREEN_Y
3 F476 BLUE_PB
4
5
6 3474 3473
75R 75R
7
8
VGA_5V
F477
9
10
C
11
12
F479
13 HS 3481
D-SUB
14 F481 VS 3482
15
F482
17 16
F480
I515
3483 3484 2460
10K 10K 100n
I486
3464 100R
D
I487
3463 100R
F501
H_CS_SDTV
A3
F502
V_SDTV
A3
E F521
PLL_SEL
A7
16
FBIN
15
NC
14
FCLK
13
F520 OE
3519
A6,A7
FBIN 12
CLK2
11
RES 0R
FS2
2514 10
CLK1
9
CHPR
7520
MK1575-01
F
3139 123 5833.3
1 2
LC4.1U AA
3 4
I512
2477 1u0
3502
220R
I513
2478 1u0
3504
220R
I514
2479 1u0
3506
220R
I480 3477 I483
2480 1u0 22R
I484
I481 3476
2481 1u0 22R
I485
2482 1u0 I482 3475 22R
3472
75R
I462
1K0 I466
1K0 I467
DDC_VGA_5V
F483
5V3
7462 I463
M24C02-WMN6
I464
Φ
(256x8)
0V
7
WC
EEPROM
5V3
6 1
SCL 0 I465
2
ADR 1
5V3
5 3
SDA 2
1
REFIN
2
FS0
I492
3
VDDA
4
VDDD
5
FS1
6
GNDA
7
GNDD
8 2518 2517
CHGP
10n 10n
I496
3520 2516 +3V3STBY
33K 680p
5520
I493 I494
2513 2520
2519
10u 16V 1n0 100n
2515
10n
3 4
7. EN 30
5 6 7
F499 F501 F502
* VGA NON-VGA
--
4460 Y
4461 --
Y
4462
-- Y
4463
-- Y
1V / div DC 1V / div DC 1V / div DC
4464 -- Y
20us / div 20us / div 5ms / div
VGA_5V
SD/HD SELECTION
+5VSW
*
4460
*
4461
* 4462
7461
5V4
SM5301BS-G
F489
Φ
VCC VCC
9
DISABLE
2471 2472 2473 2474
23
THROUGH
100n 100n 100n
47u
0V
6.3V
22
MUXSEL
3V3 4
NC1
26
GSR1
8
NC2
25
I470
RINA|YINA
28 3496
NC3
27
RINB|YINB
3497
2V3
2 17
I471
GSG1 ROUT|YOUT
3498
1V6
1
GINA|UINA
3499
14
GOUT|UOUT
3 1V6
GINB|UINB
2V5 3480
I472
6 11
GSB1 BOUT|VOUT
3479
1V7
5
BINA|VINA
I516
3478
7
BINB|VINB
2V4
100K
2483
20
RFC
100n
0V3
21 RES
VFC
0V3
GND GND_HS
7510-1
74LVC14APW
I519
+3V3STBY 1
SYNC
2463
SELECTION 100n 0V2
7463
74HC4053D VDD
MDX
6
G4
I517
0V2
13 14 7510-3
1
0V 12 74LVC14APW
0V2
2
3511
11
I520
4X1
220R
3V3 5
4X2
I518 0V
1 15
2512
2
0V
100p
10
3V3
RES
3 4
5
9
7510-5
3V3 * *
74LVC14APW
3501
VEE VSS
10K
11
5 6 7
8 9
I57
ITV INTERFACE
F503
1462
SC1_CVBS_RF_OUT A10/ A2
1
2
H_CS_SDTV A3
3
V_SDTV A3
4
1V / div DC
5
6 7
5ms / div
BM05B-SRSS-TBT
F487
PC_HD_SEL
A7
F488
PC_DET
A7
3469 +5VSW
150R
6460
3470
KDR721S
DDC_VGA_5V
10K
2475
100n
I473
F490
10n A6
SOG
2464
I474
F491
22R 10n R_PR+ A6
2465
I475
F492
22R 10n
R_PR- A6
2466
I476
F493
G_Y+
22R 10n A6
2467
I477
F494
22R 10n
G_Y- A6
2468
F495
I478
22R 2469 10n B_PB+
A6
I479
F496
22R 10n
2470 B_PB- A6
F497 HD_FILTER
A7
F498
SD_PCHD_SEL
A7
4510
2510
+3V3STBY
100n
7510-2
74LVC14APW
14 14
I510
CS_HSYNC
3512
2 3V1 3 4 A6
0V2
220R
7 F499
7
3V3
14 14
I511
F503
3513 VSYNC
6 3V3 9 8 A6
220R
7510-4
7 7
74LVC14APW
4511
4X INVERTER SCHMITT-TRIGGER
7510-6
74LVC14APW 14
14
10 13 12
7 7
E_14520_014.eps
8 9
1461 B1 4462 B5 I493 F3
1462 A8 4463 F6 I494 F3
2451 D5 4464 F6 I496 F3
2460 C2 4510 D7 I510 E8
2461 D4 4511 F7 I511 E8
2462 D4 4518 F8 I512 A3
2463 E6 4519 F7 I513 A3
2464 C8 4520 F3 I514 B3
2465 C8 5462 B6 I515 C1
2466 C8 5520 F4 I516 D6
A
2467 C8 6460 B8 I517 E6
2468 C8 7461 B5 I518 E6
2469 D8 7462 D3 I519 E7
2470 D8 7463 E5 I520 E7
2471 B6 7510-1 D7 S460 C2
2472 B6 7510-2 D8 S461 C2
2473 B7 7510-3 E7 S462 C3
2474 B7 7510-4 E8 S463 C2
2475 B7 7510-5 F7 S464 C2
2477 A3 7510-6 F8 S465 B7
2478 A3 7520 F2
2479 B3 F471 A1
B
2480 B3 F472 A1
2481 B3 F473 B1
2482 B3 F474 B1
2483 D6 F475 B1
2510 D8 F476 B1
2511 E7 F477 C1
2512 E6 F479 C1
2513 F3 F480 C1
2514 F2 F481 C1
2515 F3 F482 C2
2516 F3 F483 C3
2517 F4 F487 A7
C
2518 F4 F488 A7
2519 F4 F489 B6
2520 F4 F490 C8
3463 D2 F491 C8
3464 D2 F492 C8
3467 D4 F493 C8
3468 D4 F494 C8
3469 B7 F495 C8
3470 B7 F496 D8
3471 D5 F497 D8
3472 C3 F498 D8
D
3473 C2 F499 E9
3474 C2 F501 E1
3475 B3 F502 E1
3476 B3 F503 E9
3477 B3 F520 E1
3478 D7 F521 E1
3479 D7 I462 C5
3480 D7 I463 D5
3481 C2 I464 D5
3482 C2 I465 D5
3483 C2 I466 C3
3484 C2 I467 C3
E
3496 C7 I470 C6
3497 C7 I471 C6
3498 C7 I472 D6
3499 C7 I473 C8
3501 F5 I474 C8
3502 A3 I475 C8
3503 A2 I476 C8
3504 A3 I477 C8
3505 B2 I478 C8
3506 B3 I479 D8
3507 A2 I480 B3
3510 E6 I481 B3
F
3511 E6 I482 B3
3512 E9 I483 B4
3513 E9 I484 B4
3519 E2 I485 B4
3520 F3 I486 D2
4460 B5 I487 D2
4461 B5 I492 E4
160904