Ssb: Audio Processing (B1) - Philips LC4.3E Service Manual

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Circuit Diagrams and PWB Layouts
SSB: Audio Processing
1
AUDIO PROCESSING
B5
FROM HERCULES
AUDOUTLSL
A
AUDOUTLSR
B
C
SOUND_ENABLE
+5VSW
HP_DET_R_DC
D
POWER_DOWN
EXT_MUTE
E
F
OUT_MUTE
3139 123 6093.1
1
LC4.3E AB
2 3 4
2616
2u2
4618
RES
AUDIO-L
2617
AUDIO-R
2u2
4619
RES
I606
ITV ONLY
I607
4601
RES
3626
10K
4613
3627
22K
I613
I614
6601
BZX384-C3V3
2 3 4
7. 31
5 6
I608
2603 3604
F601
HPIC_LIN I618
22K
1u0
F603
2604
470p
2605
F602 1u0
3610
100K
2608 I610
3609
F604
HPIC_RIN
1u0 22K
F605
2609
470p
2611
3611
2610
100u
100K
1u0
16V
3625
3K3
+3V3SW +3V3STBY
7602-1
74HC08PW 7602-2
14 14
74HC08PW
1 4
I612
3 3V3 6
2 5
7 7
+5V
7602-4
14 14 74HC08PW
3628
7602-3
9 74HC08PW RES 12
8 11
10 13
7 3629 7
RES
0V
+5VSW
+5V
3630
7606-1
BC847BS
470R
7605
PDTA143ET 5V2
I615
0V
5V
3631
I617
0V 7606-2
BC847BS
470R
2619 3623
47u 47K
5 6
7 8
3605 22K 4609
2615
3632
I604
39R
470u 16V
7601-1
2V6
TS482IDT
I602
2 HPIC_LOUT ** 4604
1 RES
2V6 2V6
3
5V3
3612 22K 4610
2618 I605
3633
470u 16V 39R
7601-2
2V6 TS482IDT
I603
6 HPIC_ROUT
** 4605
+5VSW
2V6 7 RES
2V6
5
5V3
+5VSW
2614
100n
3.2 TO 4.3V SOUND_ENABLE_1
4602
2613
+3V3SW
3V4
3618
1u0
10V 22K
I611 3615
3V2
10K
7607
+3V3STBY
BC847BW RESERVED FOR UFD
4606 3617
1K0
7604
BC847BW
3619 I619
10K
+3V3STBY
RESERVED FOR UFD
3616
1K0
7603
BC847BW
3620
I616 2612
10K
1u0
10V
3621
RES
4603
4614
RES
4615
RES
7 8
It`s Free
9
B5
2603 A5 I602 A8
2604 A6 I603 B8
2605 B6 I604 A9
2608 B5 I605 B9
2609 B6 I606 C4
2610 B6 I607 C4
2611 B6 I608 A5
2612 E9 I610 B5
HP_LOUT A
2613 C8 I611 C7
2614 B8 I612 C6
2615 A8 I613 E3
2616 A4 I614 E4
2617 B4 I615 E4
2618 B8 I616 E8
2619 F5 I617 F5
3604 A6 I618 A6
I619 D8
3605 A7
3609 B6
3610 B6
3611 B6
B
3612 B7
HP_ROUT 3615 C7
3616 E9
3617 C9
3618 C8
3619 D8
3620 E8
3621 E8
3623 F5
3625 C6
3626 D2
3627 D2
C
3628 D5
3629 E5
3630 E5
3631 F5
3632 A9
3633 B9
4601 D2
4602 C8
4603 F8
4604 A9
4605 B9
D
4606 C7
4609 A9
4610 B9
4611 B4
4612 B4
4613 D2
4614 F8
4615 F8
POR_AUDIO
4616 C4
4617 C5
4618 A4
4619 B4
E
4620 E5
4621 E5
6601 E4
7601-1 A7
7601-2 B7
7602-1 C4
7602-2 C5
7602-3 D5
7602-4 D6
7603 E8
7604 D8
F 7605 E4
7606-1 E6
7606-2 F6
7607 C7
F601 A4
F602 B4
F603 A6
F_15270_015.eps
F604 B6
170505
F605 B6
9