Samsung NK15A SERIES Service Manual page 54

10 Schematic Diagrams
10-3 DC Power Input, Sound, Tuner, ETC Part Schematic Diagram
R893
0.33
FT816
C822
BLM41P600S C862 C825 C821
100uF
100nF 10nF 100nF
FROM ADAPTER
C861
100uF
+14V_INVERTER 16V
CN801
dcjhp_7 C848
C849
1 220nF
220nF
3
1/16W
2
C847
+14V_1
100UF
FT818
16V
BLM41P600S C846 C866 C856
100nF 10nF 100nF
C845
220UF
16V
STAND-BY POWER
IC810 R892
+5V_A MC34063ACD
0.33
1W
C888 1
L830 8 +14V_2
A H
100uH 100pF
50V 2
7
B G
MO
C889 3 6
C852 C863
C F
100uF
100nF 10nF
4
5 C893
D E
D880 10uF
MBRM130LT3 FT814
R891 BLM41P600S
3.6K
C851
R890
1/16W 220UF
1.2K
16V
1/16W
R061
10K
1/16W
FT815
BLM41P600S
C809
C853
100uF R874
100nF
16V 100K
1/16W
R873
10K
C
1/16W
SW_POWER B
E
ON : HIGH
OFF : LOW
INVALID for PAL
C801 C802
SC_L_OUT 100uF 10nF
16V
SC_R_OUT
SC2_L_OUT
C803
TUNERGND
SC2_R_OUT
47nF
C804
220pF
L803
------- 100uH
680UH
R809
100K
C808
4.70NF
50V
MO
TUNERGND TUNERGND
TUNER_CVBS
C814
(TO 6425)
100pF
TUNERGND
AVI_L
AVI_R
SC2_L_IN
SC2_R_IN
SC_L_IN
SC_R_IN
R L L R
L R
R470
R471 R472
470
R479 R474 R473 470 470
C466 C461
470 470 470
C462 C467 100pF 100pF
C470 C465 100pF 100pF
100pF 100pF L402 L403
L405 L404 N
N
N N
L401
L410 N
N
TP010
TP012 SUPLVAL
SUPLVAL
D107
D105 RLZ8.2 D123
TP013 TP011
RLZ8.2
SUPLVAL RLZ8.2
SUPLVAL
D101 D102
RLZ8.2 RLZ8.2
D106 D108 D109 D111
RLZ8.2 RLZ8.2 RLZ8.2 RLZ8.2
PC AUDIO DTV AUDIO DVD AUDIO
D103 D104
RLZ8.2
RLZ8.2 NTSC Option
SCL2
SDA2
RESET_3451
SW_1101_MUTE
NK15A*/NK17A*
STAND-BY POWER
IC801
1
MC34063ACD
1W +3.3V_A +2.5V_A
8 1
H A
2
7 C826 FT852 FT851
G B IC802
L805
C892 120uF BLM41P600S LP3961EMP-2.5 BLM41P600S
3
6 100uH
F C 680pF 6.3V
2 3
VIN VOUT
50V
5 4
E D MO
1 4
SD SENSE
R811
C827 C824
4.7K C828 GND 120uF
100nF
D801
1uF 6.3V
MBRM130LT3 5
R895
R894
2K
1.2K 1/16W
IC805
LM2676SX-3.3
+3.3V_B +3.3V_BD
5 6
C859
C857
10nF
220UF NC FEEDBACK FT822
2 3
Input L806
C_BOOST C864 BLM41P600S
33uH
8 1 100nF
Ground_2 Output
ON_OFF Ground_1 C810
C868
7 4 D803 C867 R822 120uF
100nF
SK34 120uF 4.7K 6.3V
6.3V
R824 2 B
10K FT824
BLM41P600S
1 A FT825
IC806
ON : HIGH
LP3961EMP-2.5 BLM41P600S
OFF : LOW
2 3
VIN VOUT
2
C876 1 4
+5V SD SENSE
470uF C813
IC804 C873
GND 120uF
100nF
LM2596S-5.0
6.3V
C875 5
L807
GND1 6 100nF
53.0UH FT817
4
F_B
Vin C858 BLM41P600S
100nF
1 2
+3.3V_BA
5 3 IC811
C865
R821 BA033FP
D802
R823 120uF
4.7K 1 IN 3
SS24 OUT
10K 6.3V
GND
C869
2
C871
120uF
100nF
ON : LOW 6.3V
C
OFF : HIGH
Q812
B
2SC2412K-Q
E +8V
+12V_3
C881
IC807
100nF
MC7812CD2T FT811
IC808 IC803
50V C841 C842
BLM41P600S
SI9933ADY-T1 MO BA178M08FP
100uF 100nF
1 S1 8 1 3 IN OUT
D1 IN OUT
GND
2 G1 D1_1 7
GND
C870 3 S2 6 C872
D2 C843
1uF 4 5 100uF 2
G2 D2_1 100uF
50V 16.000
C844
R864 100nF
100K
1/16W
Q808 C899
2SC2412K-Q
1uF
50V R863
10K CN810
C PDJ005
1/16W
Q813
B 4
2SC2412K-Q 3
R862 OPTION
2
E
10K
1/16W
14V DC OUTPUT
+5V
R801
L801
330
C806
2.2uH
1/16W C891
100nF
R802 1uF ZD801
50V
22K 50V UZ36B
MO
L802
3.3UH -------
R806
220UH
C805
0
10nF 1/16W
D805 TUNERGND TUNERGND TUNERGND
MMBD4148SE
TUNERGND
TUNER
+5V
TUNERGND
CN888
L804 SUPLVAL
2.2uH
1
NC
C812
100uF
2
B
C C811 L151 2.2uH 3
SCL
Q811 C807 100pF
B
KSC1623-Y 2.2nF
4
SDA
50V
E L152 2.2uH
MO 5
SAS
TUNERGND 6 N_C
7
IF
TUNERGND
8
CVBS
9
BP
R807 10
AF
0
R808
68
1/16W
TUNERGND
R529
R531
TUNERGND TUNERGND
L R
R072 R073
470 470
C071 C072
100pF 100pF
L010 L011
N N
TP008
SUPLVAL SIF
TP009
D110 D114
SUPLVAL D112
RLZ8.2
RLZ8.2
RLZ8.2
+5V
D113 D115
RLZ8.2 RLZ8.2
AV AUDIO
C577
47uF
16V
PAL(S/E Asia) Option
AGND_S
TO SPEAKER
+ -
- +
CN501 CN502
slcon2p slcon3p
C517
C518 150nF
150nF
C501
150nF
C506
100nF
C505
100nF
C507
R501 150nF R502
10
10
C508
+2.5V_B 150nF
+12V_AUDIO
C890
C874
120uF
100nF
6.3V
+12V_3 R503
sleep Mode : high
1M
C520
100uF
16V
C521
1uF
C522 C523 C524 C504 C526
100uF 100uF 100nF 100nF 100nF
16V 16V
AGND_AMP
C503
C525
100nF
100nF
R506
6.2K
AGND_AMP
15" 4.7Kohm
R508
100 R505
C519 6.2K R507
1uF 100
R511
C550
8.2K
100pF
50V
MO
AGND_AMP
R512
R513
0
0
C531
C533
4.7uF
4.7uF
25V 25V
C536
C537
C592 1nF 1nF
22uF
+8V 16V
C535 C594 R514
AGND_S
AGND_S
100uF C593 22uF 20K
22uF 16V
C538 16V
C591
C539
1.5nF R562 R564 R534 R537
22uF 1nF C529
L540 100 100 100 100
C543 16V
N R561 1/16W R563 1/16W AGND_S 1/16W 1/16W 1uF
470pF
3.9UH
100 100
1/16W 1/16W
C546
C547
D543 10uF
C545 1nF
RLZ8.2
10uF
AGND_S
NC_10 DACA_R
NC_11
AHVSS_1
C551
AHVSS_2 RESETQ
100nF IC919
16V MO
AGNDC
C553
4.7uF
25V MSP3451G
NC_12
C554
R521 47 1/16W 4.7uF 25V
SC4_IN_L
C555
R522 47 1/16W
4.7uF 25V
12S_DA_IN2
SC4_IN_R
DVSS_3
ASG4
C556
470 1/16W
4.7uF 25V
DVSS_2
SC3_IN_L
C557
470 1/16W
4.7uF 25V
DVSS_1
SC3_IN_R
ASG2 DVSUP_3
C558
R532 47 1/16W
4.7uF 25V
SC2_IN_L DVSUP_2
R533 47 1/16W C562
4.7uF 25V
SC2_IN_R DVSUP_1
ASG1
C563 ADR_CL
R528 47 1/16W 4.7uF
25V
SC1_IN_L
ADR_WS
AGND_S
R526 47 1/16W
SO_IN_R
ADR_DA
C564
4.7uF 25V
VREFTOP
12S_DA_IN1
NC_13 12S_DA_OUT
C566 C565
100nF
10uF
MONO_IN 12S_WS
AVSS_1 12S_CL
AVSS_2 12C_DA
AGND_S
NC_14 12C_CL
NC_15
X511
C569 HC-49/SM5H(18.432MHz) AGND_S
C567
470pF R539
C571 0.056nF R580
C572 C527
0.056nF C568 100 100
C574 0.01nF 0.01nF CONTR1
0.056nF 1/16W
1.5nF 50V 50V
MO MO
C575
AGND_S
100uF
AGND_S AGND_S
AGND_S
L541
N
C576
SW_7050
3.9UH
47nF
D545
RLZ8.2
1
TP501
AGND_S
AGND_S
TUNERGND
INVERT_GND
AGND_S
AGND_AMP
C502
150nF
+8V
+5V
Q555
R591
KSC1623-Y
18K
C 1/16W
Q501
B
C589 KSC1623-Y
100nF R504 C
E
50V 4.7K
B
MO
D502 3
E
QZX363C5V6
D501
MMBD4148SE
C598 1 2
100uF SW_7050
16V
C597
100uF
16V
IC530
TDA7050T/N3
C534
R552
100uF
C528 56
100uF 1/16W
1 A 8
Vcc
2 7
B
F
3 C 6
R551
E
56
4 5
D GND C580 1/16W
C570 R553
100uF
100nF 1K
16V D571 R518 R519
1/16W
4.7
RLZ8.2 4.7
D570
C595 2.2nF
RLZ8.2 C541
50V MO C542
100nF
R516 100nF
10K
C596 2.2nF AGND_S AGND_S
AGND_S
50V MO AGND_S AGND_S
R515 R517
20K 10K
AGND_S
C532
1uF
C544
R523 R524
100 100 2.2nF
for JIG
C548
2.2nF
+5V_A
NC_6
CNJIG
slcon12p
NC_5 C552 C549
1 RJ11
10uF 100nF
10
16V 16V MO
JHs 2
RJ10
10
3
JSDA RJ09
10
NC_4
JSCL 4 RJ08
10
5
R527
NC_3
R525
4.7K
100 JeSDA
6 RJ07
10
NC_2 7
JeSCL RJ06
AGND_S
10
JR 8 RJ05
+5V
10
JG 9 RJ04
10
JB 10
RJ03
10
IDENT_FAC 11 RJ02
L555 10
SW_PCGAIN 12 RJ01
3.3UH
10
C559 C561
100nF
10uF
AGND_S AGND_S
R555
1K
extra connection
TEST_PIN
slcon8p
1
ex1 #87 ALE
R535
100 2
ex2 #17 to GND
1 3
ex3
#50 RESET
T531
4
ex4 reset IC output
1
R536 5
T532 GND
100
NC_1
6 SCL
EXT_SCL
7
SDA for IIC
EXT_SDA }
8
GND
SOUND MUTE
JSCL
RJ12
10 1/16W
JSDA
RJ13
10 1/16W
CONFIDENTIAL
TO PANEL INVERTER
+14V_INVERTER
+5V
CN920
L921
slcon14p_1
1 1
3.3UH
1
ADJ_BRIGHT 2
TPB15
3
SW_INVERTER 4
TPB16
C909
5
100nF
6
TPB17
1 1 INVERT_GND 7
TPB18
8
9
C910
1 1 10
100nF FT920
C971 TPB19
C911 BLM41P600S
470uF
11
100uF
C981 12
C972
470UF
100nF
16V 13
INVERT_GND INVERT_GND
14
FT921
TPB20
BLM41P600S
INVERT_GND INVERT_GND
INVERT_GND
FROM SUB INPUT BOARD
D116
D117
2 2
RLZ8.2 RLZ8.2
CN702_1
3 1 1 3
slcon14p_1
AVI_R 1
TPB21
2
AVI_L TPB22
2 2
D118
D119
3 1 1 3 3
RLZ8.2
RLZ8.2
SVHS_CVBS 4
TPB23
SVHS_Y 5
TPB24
SVHS_C 6
TPB25
R870 R871 R872 7
75 75 75
1/16W 1/16W 1/16W 8
HP_R
9
TPB26
10
TPB27
HP_L
11
IDENT_H/P 12
TPB28
R554 13
1K 3
1/16W 14
TPB29
1 2
AGND_S
D120 D121 D122
D804
RLZ8.2
RLZ8.2 RLZ8.2
MMBD4148SE
FROM REMUTE/CON BOARD
+3.3V_A
R775
R773
330
330
1/16W
1/16W
CN701_1
TPJ01 slcon8p
Q713
1
1/16W SUPLVAL
2SC2412K-Q TPB30
C
TPJ02
1/16W SUPLVAL LED_GRN B 2
TPB31
TPJ03
E 3
1/16W SUPLVAL R776
TPJ04 4.7K
1/16W SUPLVAL 1/16W 4
TPB32
TPJ_GND
5
SUPLVAL IR
TPB33
TPJ05 Q711
1/16W SUPLVAL C 6
2SC2412K-Q TPB34
TPJ06 LED_RED B
7
1/16W SUPLVAL
TPJ07 R774 E
4.7K 8
1/16W SUPLVAL
TPJ08 1/16W
1/16W SUPLVAL
TPJ09
1/16W SUPLVAL
TPJ10
1/16W SUPLVAL
TPJ11
1/16W SUPLVAL
FROM KEY INPUT BOARD
+3.3V_A
R841 R842
4.7K 4.7K
1/16W 1/16W
CN706_1
slcon3p
KEY1 TPB35
3
TPB36
KEY2 2
TPB37
1
C894 C895
100nF 100nF
50V 50V
MO MO
10-5