Painel De Pequenos Sinais : Pchd-Mux - Philips LC4.6U Service Manual

Circuit Diagrams and PWB Layouts
PAINEL DE PEQUENOS SINAIS: PCHD-MUX
Small Signal Board: PCHD MUX
1 2 3
PCHD-MUX
A
FROM PCHD-IO
+5VSWI
3621
22K
B
RED_PR 2621 1u0
GRN_Y 1u0
2622
BLU_PB 2623 1u0
3622
22K
C
FROM HERCULES / HISTOGRAM
R_SDTV F624 3641 330R
G_SDTV F625 3642 330R
D
B_SDTV F626 3643 330R
HS
E
3638 I627
H_CS_SDTV
100R
VS
3639 I628
V_SDTV
100R
F
PC_HD_DET-
PC_HD_DET+
G
F615
F613
H
200mV / div DC 200mV / div DC
20us / div 20us / div
3139 123 5867.2
1 2 3
LC4.6U 7.
4 5 6
DMMI +5VSWI
(RESERVED)
3627 3628 3629
22K 22K 22K
3630
DMMI_R_V_IN 2627 1u0
3631
DMMI_G_Y_IN 2628 1u0
3632
1u0
3623 3625 DMMI_B_U_IN 2629
22K 22K
3624 3626
22K 22K
4601
4602
4603
470n
2624
2625 470n
2626 470n
3644 3645 3646
330R 330R 330R
4610 RES
+3V3STBY
4611 RES
+3V3STBY 5605
100n
2606
7605
16
74HC4053D
VDD 7604-1
MDX 74LVC14APW
6
3634 G4
3607
13 14 1
100R
1
12
2 100R
11
4X1
I639
3635 4X2
3608
1 15
100R
2 7604-3
100R
10 74LVC14APW
5
3 4
5
9
VEE VSS
7 8
7604-5
74LVC14APW
14
3609 6604
11 10
100R BAS316
7
A7 PC_HD_SEL
6605
BAS316
SD_HD_SEL
F624 F625 F626 I631
500mV / div DC 500mV / div DC 500mV / div DC 200mV / div DC
20us / div 20us / div 20us / div 20us / div
4 5 6
35
7 8 9
+5VSWI +5VSWI
7606
ADG781BCP
5601
6
I619
2601
TO SCALER 8
10
7601
100n
22K 16
ADG733BRU
VDD
Φ
22K PC_HD_SEL
6 3601 10K 19
EN
11
A0 F602
22K 10 DMMI_HD_SEL
A1
9
A2 F606
17
I621
12
S1A
14
I622 D1
13
S1B
9
I623
2
S2A
15
I624
D2
1
S2B
7
I625
5
S3A
4
I626
D3
3
S3B
VSS GND
7 8
2630 1u0
1u0
2631
2632 1u0
I608
4608
2605 I607
4607 RES
F605
100n
SD_HD_SEL
7604-2
74LVC14APW
14 14
H_CS
3605
2 3 4
100R F603
7
7
7604-4
74LVC14APW
14 14
3606
6 9 8 V
100R F604
7 7
7604-6
I630
74LVC14APW
14
I629
3633
13 12
2619 3619
100R
7 33p 820R
4609 RES
PC_HD_DET
SD_HD_SEL
3610
22K
7 8 9
10 11 12
I638 2636
5636
100n
Φ
VDD
SPST
16
SWITCH
18
NC NC
20
1u0
2 2633
S1
IN1
1
D1
2634 1u0
14
S2
IN2
15
D2
1u0
12 2635
S3
IN3
11
D3
4
S4
IN4
5
D4
GND GND_HS
4604 RES R-PR-ADC
4605 RES G-Y-ADC
4606 RES B-PB-ADC
+5VSWI
100n
2607
2608 100n
5607
2609 100n
100n
2610
F607
2611 47u
6.3V
Φ
7607
VCC VCC
9 SM5301BS-G
DISABLE
23
THROUGH
22
MUXSEL
4
NC1
26
GSR1
8
NC2
25 470R 2612 10n SOG
3612 F612
RINA|YINA
28
NC3
27
RINB|YINB
2 17 R-PR-ADC 22R 2613 10n F613 R_PR+
3613
GSG1 ROUT|YOUT
22R 2614 10n R_PR-
3614 F614
1
I632
GINA|UINA
14 G-Y-ADC 22R 2615 10n F615 G_Y+
3615
GOUT|UOUT
3 3616 22R 2616 10n F616 G_Y-
GINB|UINB
I633
6 11 22R 2617 10n I631 B_PB+
B-PB-ADC 3617
GSB1 BOUT|VOUT
I618
3618 22R 2618 10n B_PB-
5
I634
BINA|VINA
7
BINB|VINB
20
RFC
21
VFC
GND GND_HS
F608
F620 3620
I620 HD_FILTER
100K
2620
1u0
E_14710_075.eps
10 11 12
LC4.6U 35
2601 A7 7606 A9
2605 E7 7607 D10
2606 E5 F602 B7
2607 D10 F603 E8
2608 D10 F604 F8
2609 D10 F605 E9
2610 D10 F606 B9
2611 D10 F607 D10
2612 E11 F608 G10
2613 E11 F612 E12
2614 E11 F613 E12
A
2615 F11 F614 E12
2616 F11 F615 F12
2617 F11 F616 F12
2618 F11 F620 G10
2619 F8 F624 D2
2620 G11 F625 D2
2621 B3 F626 D2
2622 B3 I607 E9
2623 C3 I608 D9
2624 D4 I618 F12
2625 D4 I619 A7
B
2626 D4 I620 G12
2627 A5 I621 B6
2628 B5 I622 B6
2629 B5 I623 B6
2630 C8 I624 B6
2631 D8 I625 C6
2632 D8 I626 C6
2633 B10 I627 E3
2634 B10 I628 E3
2635 B10 I629 F6
2636 A10 I630 F9
3601 B7 I631 F12
C
3605 E7 I632 E11
3606 F7 I633 F11
3607 E5 I634 F11
3608 E5 I635 E10
3609 F5 I636 E11
3610 G6 I637 E11
3612 E11 I638 A9
3613 E11 I639 E4
3614 E11
3615 F11
3616 F11
3617 F11
D
3618 F11
3619 F8
3620 G11
3621 B3
3622 C3
3623 B3
3624 C3
3625 B3
3626 C3
3627 A5
3628 A6
E
3629 A6
3630 A6
3631 B6
3632 B6
3633 F7
3634 E3
3635 E3
3638 E2
3639 E2
3641 D3
3642 D3
3643 D3
F
3644 D3
3645 D3
3646 D4
4601 D5
4602 D5
4603 D5
4604 D9
4605 D9
4606 D9
4607 E8
4608 D8
4609 G7
G
4610 D5
4611 D5
5601 A7
5605 E4
5607 D9
5636 A9
6604 F6
6605 G6
6634 F4
6635 F4
6638 F3
H
6639 F3
7601 A7
7604-1 E6
7604-2 E7
7604-3 E6
7604-4 E7
7604-5 F6
7604-6 F7
7605 E4
100904