Samsung 400Txn Service Manual page 155

9
9-2 Main board Schematics Diagram(SOUND)
1 5
100ohm R512
R511 1Kohm
4
PC_AL
100ohm R518 1 2
R517 1Kohm
PC_AR 3
1 1
1 1
2 2
D503 D504
UJB-02-11B
COMPONENT_AUDIO_IN
100ohm R520
R519 1Kohm
1 2
COM_AR LINE_OUTR
R523 1Kohm 100ohm R524
3
COM_AL 1
1 1
1 1
2 2
D505 D506
9-2
UJB-02-11B
VIDEO_AUDIO_IN
R513 1Kohm R514 100ohm
1 2
R516 100ohm
R515 1Kohm
1 3
1 1
1 1
2 2
D501 D502
UJB-02-11B
LINE_OUT
C531
22uF 16V R521
100ohm 1 2
R525
100ohm 3
LINE_OUTL 1
1 1
C533
22uF 16V
C551 C552
330pF
330pF
R527 R528
56Kohm 56Kohm
R532
2SC2412K-Q
10Kohm Q502
C
AUDIO_SLEEP B
E
R534
15Kohm
AMP_SLEEP
R537
10Kohm
C
Q503
AUDIO_SLEEP B
R540 2SC2412K-Q
E
15Kohm
AMP_SLEEP
SOUND AMP
C584
R550
1/10W 100uF
10Kohm
25V
R556 C586 1uF
6.8Kohm 10V
C587 1uF
LOUD_OUT_R
10V
C588 1uF
6.8Kohm 10V
C589 1uF
LOUD_OUT_L
10V C590
1uF
R561
10V
C5016 C5017
1nF 1nF
50V 50V
R563
R562 12Kohm R567 12Kohm
12Kohm
R569 10Kohm
1/10W
IC507
KIA7045RTF
1 GND 3
IN OUT
GND
2
R577 Q505
100Kohm
2SC2412K-Q
1/10W
C
AMP_SLEEP
B Q506
E
2SC2412K-Q
AMP_EN R578 C
B
10Kohm E
R579
4.7Kohm
1/10W
SOUND_SEL
R580
100ohm
1/10W
L503
N
C510
100uF
16V
+3.3V_SOUND
L505 N
C521
47uF
16V
C523
100nF
C522 C524
100nF 100nF
R581 100ohm
R582 100ohm
C541 1uF 50V
C542 1uF 50V
C543
C548 100nF
C549
C550 100nF
C554 1uF 50V
C555 1uF 50V
C556 10uF R533 100ohm
C559 10uF R535 100ohm
C560 1uF 50V
C562 1uF 50V
+3.3V_SOUND
SOUND PROCESSOR
OPTION
PIN #20
[PAL] VCC R443
[NTSC] GND R444
C532
TP507
SPEAKER_N1
TP508
C575
330nF
SPEAKER_P1
C577
C576
16V
16V 68nF
68nF
C578
47nF C579
47nF
C582
100nF
R551
R547 R548 4.7Kohm
0ohm 0ohm 1/10W
R553
4.7Kohm
C583 POP NOISE
1/10W Q607 C R559 1Kohm
100nF B
FADE_EN
2SC2412K-Q 1/10W
E
1 36 C585 680nF
/SD VCLAMPR
2 35 16V
R555 0ohm
RINN MODE_OUT
3 34 R557 0ohm
RINP MODE AMP_SLEEP
4 33 R558 0ohm
V2P5 AVCC
5 32
LINP IC504 VAROUTR
C591
6 31
LINN VAROUTL
7 30
100uF
AVDDREF /FADE
8 TPA3004D2PHP 29
VREF AVDD C592 100nF C593
9 28
VARDIFF COSC 220pF
10 27
VARMAX ROSC
11 26 R566 120Kohm
VOLUME AGND
12 25 C594 680nF
REFGND VCLAMPL 16V
R568 0ohm
C598
C597
100nF 100nF
R574
R575 C599
0ohm
0ohm 100uF
C5010
25V
47nF
C5011
47nF
TP509
1
SPEAKER_P2
C5012 TP510
330nF 1
SPEAKER_N2
C5013 C5014
16V 16V
68nF 68nF
R501 R503
C501 C502 68Kohm 68Kohm
22uF 100nF R502 R504
16V 68Kohm 68Kohm
C503 10uF 16V
C504 10uF 16V
C505 10uF 16V
16 1
VDD 0Y
15 2
2X 2Y
14 3
R505 1X Y-COM
13 4
10Kohm X-COM 3Y
12 5
0X 1Y C506 10uF 16V
11 6
3X /EN
Q501 10 7
A VEE
KSC1623-Y 9 8
B VSS
C
B
E IC501
MM74HC4052M
R507 R509
68Kohm 68Kohm
R506 R508
C511 C512
68Kohm 68Kohm
470pF
1.5nF
C508
C515 R510 C509
C507 47uF
10uF 50V 560ohm 100nF
16V
16V 100pF 1/10W
C514 10nF
50V
C513 1 XREF 2
I2S_DATA_AMP
10uF 3 4
C516 XREF
16V I2S_LRCLK_AMP +3.3V_SOUND
5 XREF 6
220nF
I2S_SCLK_AMP
7 8
C526 C527 C528
C529
NL506
470pF 1.5nF 22uF 47nF
C530
47uF
16V
C525
100nF
+1.8V_SOUND
I2S_CLK_AMP
XREF
C540
100nF N L507
C535 22pF
C545
X501
10uF
27.0MHz +1.8V_SOUND
10uF 16V
C544
10uF 22pF
N
100nF
R529 4.7Kohm
C553
R530 2.2Kohm R531
XREF
1/10W
100ohm
C558
C557
10uF 100nF
100nF
16V C561
R536
4.7Kohm
C563 C564 R538
33nF 33nF 0ohm
47ohm R539 +1.8V_SOUND
16V 16V
47ohm R541
N L509
C565
100nF
+3.3V_SOUND
C566
330uF
16V
R542
10Kohm
R543 C537
C536 C538 C539
0ohm
100nF 100nF 100nF 100nF
1/10W
HP_L
C567 470nF R544 20Kohm C5015
R545 10uF
0ohm
1/10W
HP_R
C568 470nF R546 20Kohm
C569 C570
4.7nF 4.7nF
10uF R522 100ohm
C534 10uF R526 100ohm
U602
S1G
R549 C580
3.3Kohm 10uF
R565 100ohm
4.3Kohm
R552
AMP_SLEEP
C
Q504
B
2SC2412K-Q
E
R564
1.2Kohm
+1.8V_SOUND
N L502
L508
1 1
2
1
3 1
+1.8V_SOUND
N L515
16V
1
XREF 1 2 +
XREF
1 4
XREF 1 3
_
XREF 1
1 1 1 1 PST038-01
2 2 2 2
D509 D510 D511 D512