Service manual
9 Schematic Diagrams
9-1
HP_L
(22uH)
SOUND
(22uH)
POP NO ISE SO LU TION
L:POWER ON UO : STV8258 1204-002471
EO, SO : STV8257 1204-002464
POW ER
< TORINO SMPS >
Stand by Power
SOUND_AMP
(22uH)
SOUND AMP
(22uH)
HP_R
H:OFF
C835
100uF
25V
TP807
1
25V
C854
100uF
16V
2
3
4
5
6
7
8
9
SOUND_AMP
C819
100uF
1
10
11
12
13
14
15
16
50V
C623
100pF
SMW200-16P
CN800
R663
E
B
C
100Kohm
680uH
L103
Q973
KSC1623-Y
68Kohm
R606
C677
100nF
50V
1uF
C870
10V
10uF16V
R640
100ohm
4.7Kohm
R670
1/10W
C610
100Kohm
R660
XREF
B1.8VD
TP955
1
XREF
PX_VD1.8
0ohm
R691
23
VIN
50V
C6009
220pF
AP1117D-25A
IC804
1
ADJ
VOUT
R629
68Kohm
220uH
L102
XREF
1/10W
R643
4.7Kohm
XREF
C678
50V
100pF
1/10W
3.9Kohm
R683
E
B
C
L614_OP
1
KSC1623-Y
Q609
10uF
C619
16V
TP812
100nF
C839
25V
16V
22uF
C866
C115
100nF
C657
10Kohm
1/10W
4.7nF
R619
100ohm
R801
C640
100nF
SOUND_AMP
BS
2
IN
3
SW
GND
4
FB
5
6
COMP
EN
7
8
SS
MGND1
MP1583DN
IC805
1
10Kohm
C671
16V
100uF
C649
100nF
1/10W
R665
10nF
16V10uF
C604
C101
2
3
R655
4.7Kohm
O
23
I
D801
BZX84C5V6LT1
1
MC33269DTRK-5.0
IC813
1
ADJ
R612
1/10W
47ohm
C639
100nF
25V
C682
R650
22pF
16V
100ohm
100uF
16V
C615
10uF
C658
470pF
C631
B5V
50V
100nF
C683
XREF
10uH
L604
R651
100ohm
1
47ohm
1/10W
R611
C616
1.5nF
TP601
1/4W
R677
PX_VL1.8
ADJ
1
2
VOUTVIN
3
B5V_VCCT
B3.3VD
4.7ohm
IC809
AP1117D-33A
68Kohm
R604
10uF
C650
16V
50V
C6001
XREF
470nF
100nF
TP802
1
XREF
XREF
C689
C6007
50V
100pF
1/10W
R805
6.8Kohm
16V
10uF
C613
C667
C670
470nF
C810
10nF
47uF
16V
C630
10uF
XREF
3.9uH
L101
C665
100nF
SOUND_AMP
D800
SS24
C849
100nF
100nF
C691
25V
100nF
C680
50V
100ohm
R639
100ohm
100nF
C817
R679
1/10W
4.7ohm
1/4W
R681
SOUND_AMP
C
C674
4.7nF
KSA1182
Q603
E
B
R667
100Kohm
C6005
50V
C692
100nF
C669
50V
100nF
10uF
16V
XREF
100uF
16V
10nF
C830
50V
C608
L608
10uH
E
B
C
XREF
TP806
1
Q605
KSC1623-Y
R664
20Kohm
100nF
C643
16V
C645
10uF
ACB2012L-015-T
BD807
XREF
68Kohm
R631
CN600
1
2
3
MGND1
MGND2
68Kohm
R609
E
B
C
20037WR-03A00
KSC1623-Y
Q601
R659
47ohm
BD800
R668
470Kohm
BD803
CIB31P600NE
ACB2012L-015-T
A5V
100nF
C690
50V
47uF
470nF
C672
XREF
16V
C820
B12VS
R102
100Kohm
16V10uF
C606
B5V_VCCA
10uF
C855
16V
16V
C624
10uF
100nF
C801
100nF
BA178M08FP
IC800
IN
1
GND
2
OUT
3
C626
R620
R658
47ohm
100ohm
R636
100ohm
R605
68Kohm
XREF
SOUND_AMP
C861
100nF
C6008
100pF
50V
0ohm
R693
16V
C6015
10uF
ACB2012L-015-T
SOUND_AMP
R656
0ohm
BD801
C833
120uF
6.3V
1/10W
R806
100Kohm
R653
100ohm
XREF
2
BYPASS
3
4
GND
5
SHUTDOWN
VIN2
6
7
VOUT2
VDD
8
IC602
LM4810MM
VOUT1
1
VIN1
B3.3VD
C664
100nF
C607
10uF16V
L606
R615
100ohm
50V
C679
10uH
C867
100nF
B5V_VCCT
100pF
16V
22uF
C850
VCC5P
10uF
C609
B1.8VD
R810
470ohm
16V
16V
22uF
C633
GNDPW_IF
VCC18_IF
76
77
GND18_IF
MONO_IN
78
79
SC4_IN_L
GND33_SC
8
SC4_IN_R
80
9
SC1_IN_L
68
69
IRQ
7
VCC33_SC
GND_PSUB
70
71
VDD18_ADC
VSS18_ADC
72
73
SIF_P
SIF_N
74
75
60
61
I2S_SCLK
I2S_LR_CLK
62
63
I2S_DATA0
I2S_DATA1
64
65
I2S_DATA2
VDD18_4
66
67
VSS18_4
BUS_EXP
XTALOUT_CLKXTM
VCC18_CLK1
54
55
GND18_CLK1
GND18_CLK2
56
57
VCC18_CLK2
VSS33_IO2
58
59
VDD33_IO2
SC3_OUT_R
6
I2S_PCM_CLK
46
47
VSS33_IO1
CK_TST_CTRL
48
49
VSS18_3
5
SC3_OUT_L
VDD18_3
50
51
CLK_SEL
XTALIN_CLKXTP
52
53
GND_H
4
40
SDA
41
VSS18_2
VDD18_2
42
43
/RST
S/PDIF_IN
44
45
S/PDIF_OUT
VDD33_IO1
32
HP_LSS_R
VSS18_CONV
33
34
VDD18_CONV
/HP_DET
35
36
ADR_SEL
VSS18_1
37
38
VDD18_1
SCL
39
SC3_IN_R
SCL_FLT
25
26
SCR_FLT
LS_C
27
28
LS_L
LS_R
29
3
VCC_H
30
LS_SUB
HP_LSS_L
31
GND33_LS
SC2_OUT_L
18
19
SC2_OUT_R
SC1_OUT_R
2
VCC_NISO
20
VSS33_CONV
21
22
VDD33_CONV
SC3_IN_L
23
24
SC1_OUT_L
SC1_IN_R
10
11
VREFA
GND_SA
12
13
VBG
SC2_IN_L
14
15
SC2_IN_R
VCC33_LS
16
17
STV8257DSX
IC601
1
100nF
C641
R680
10uF
C686
16V
E
B
C
SOUND_AMP
100ohm
1/10W
1/10W
2SC2412K-Q
Q801
R804
10Kohm
1/10W
R657
47Kohm
10uH
L601
16V
100uF
C848
XREF
16V10uF
C611
D601
KDS184
16V
C653
10uF
R626
68Kohm
16V
100nF
C856
A5V
100nF
C859
B1.8VD
100ohm
R616
100nF
C103
ACB2012L-015-T
BD802
16V
C852
10uF
SOUND_AMP
C868
100nF
Q972
E
B
C
B3.3VD
10uF
C654
16V
XREF
KSC1623-Y
22Kohm
R101
C620
100nF
SOUND_AMP
L607
10uH
1/10W
R802
100ohm
B9V
16V
C648
10uF
Q802
KSC1623-Y
E
B
C
C685
100nF
BD600
CIC21J601NE
Q602
KSC1623-Y
E
B
C
10uF
C600
16V
XREF
XREF
50V
100nF
C694
C6006
100pF
50V
68Kohm
R608
C812
100nF
SOUND_AMP
47nF
C634
100Kohm
BD805
ACB2012L-015-T
E
B
C
R800
50V
Q800
2SC2412K-Q
330pF
C696
AP1117D-33A
IC307
1
ADJ
VOUT
23
VIN
10Kohm
R610
1/10W
B1.8VD
B8V
C673
4.7uF
B1.8VD
10nF
C802
16V
10uF
C603
68Kohm
R630
100ohm
R618
100nF
C660
XREF
100ohm
XREF
1/10W
R676
R621
50V
C681
100nF
47ohm
C628
100nF
22uF
50V
C622
10nF
XREF
16V
C100
SOUND_AMP
100nF
50V
C695
C647
22pF
50V
1uF
C113
16V
330uF
C666
SOUND_AMP
C112
10nF
R809
47nF
C104
XREF
SOUND_AMP
4.7Kohm
2
3
45
6
7
8
R637
100ohm
IC803
FDS9933A
1
C668
100uF
16V
68Kohm
33nF
C663
16V
50V
C698
R627
R678
1/10W
100ohm
100nF
330ohm
R100
SOUND_AMP
XREF
C617
470pF
L609_OP
1
4.7ohm
R675
1/4W
1/10W
R646
47Kohm
TP800
C642
100nF
X600
27.0MHz
1/4W
4.7ohm
R684
C853
100nF
16V
1
16V
470uF
C676
E
B
C
TP942
KSC1623-Y
Q606
C656
16V
D101
BZX84C33
BD610_EU
MPZ2012S300A
10uF
C827
100nF
XREF
L611_OP
R645
100ohm
TP810
1
100nF
C644
10V
1uF
R673
10Kohm
C823
16V
C662
33nF
1/10W
B12V
C652
100nF
18pF
C841
50V
1
B3.3VD
100nF
C813
1
TP983
1
TP984
TP981
1
TP982
R803
10Kohm
R922
10Kohm
B3.3VD
10Kohm
R912
PX_VA1.8
C102
100uF
XREF
SOUND_AMP
47Kohm
R652
1/10W
C655
10uF
10nF
C800
0ohm
16V
C822
100nF
1/10W
26_
68Kohm
R607
10uF
C636
16V
1/10W
R807
15Kohm
XREF
BA178M09FP
IC802
IN
1
GND
2
OUT
3
50V
C693
100nF
2
3
25V
100nF
C6004
MMBD4148SE
D100
1
100nF
C625
C814
68Kohm
R632
10nF
R644
100ohm
C806
100uF
25V
25V
C836
100nF
C697
470nF
47uF
C807
16V
560ohm
R638
1/10W
100nF
C825
22uH
L800
1.5nF
C632
10nF
C843
XREF
XREF
C106
R808
4.7Kohm
1/10W
220pF
16V
100uF
C811
XREF
XREF
L602
10uH
1
100nF
C687
TP600
TP951
1
C6010
470uF
16V
100ohm
R654
C627
C803
100nF
47ohm
R682
100nF
10uH
B5V_VCCA
1/10W
10uH
L605
L603
C826
10uF
16V
B12VS
MPZ2012S300A
BD611_NT
TP954
1
R692
R661
10Kohm
25V
C840
100nF
0ohm
2
MGND1
MGND2
TP980
1
20037WR-02A00
CN601
1
10Kohm
R956
C605
10uF16V
R954
10Kohm
16V
10uF
C621
C688
330pF
50V
68Kohm
R628
VCC2A
8
OUT2A
9MGND1
10uF
C646
16V
GND
33
34
VDD
35
VSS
VCCSIGN
36
VCC2B
4
N.C.
5
GND2B
6
7
GND2A
26
PLLFILTER
XTI
27
28
GNDA
29
VDDA
3
OUT2B
30
SDI
LRCKI
31
32
VICKI
19
VDDREG
2
N.C.
VD
20
21
CONFIG
RESET
22
SCL
23
24
SDA
RES
25
11
VCC1B
GND1B
12
GND1A
13
14
N.C.
15
VCC1A
16
OUT1A
GNDCLEAN
17
18
VSUBS
STA323W
IC603
N.C.
1
10
OUT1B
B
C
2.2nF
C114
A5V_1
Q100
KSC1623-Y
E
1
1.2nF
C6003
50V
C635
TP952
1
TP950
1
16V
47uF
TP949
TP985
1
C601
100nF
Q600
KSC1623-Y
E
B
C
C816
10nF
C629
220nF
A3.3V
100nF
C834
25V
B8V
XREF
100ohm
R648
XREF
3.3nF
C842
50V
100nF
10nF
C111
XREF
C805
68Kohm
R602
R617
100ohm
4.7nF
C675
R603
68Kohm
47Kohm
R601
1/10W
B8V
0ohm
37_
1/10W
1
B5V_VCCA
KDS184
D600
TP986
1
TP987
22uF
C824
10V
TP801
1
VEE
7
8
VSS
9
B
50V
100nF
C6011
1X
14
2X
15
16
VDD
2
2Y
3
Y-COM
4
3Y
5
1Y
6
/EN
IC605
MM74HC4052M
1
0Y
A
10
11
3X
0X
12
13
X-COM
B12VS
R633
68Kohm
100ohm
R614
1/10W
40_
0ohm0ohm
32_
1/10W
10V
1uF
C699
50V
100nF
C6002
100nF
C651
10uF
C684
L612_OP
16V
100nF
C851
XREF
B2.5V_VDD
20Kohm
R666
100nF
XREF
C618
10uF
16V
SGND
8257_RESET
C815
PGND
SOUND_SEL2
SOUND_SEL1
PGND
PGND
SGND
POP_KILL
POP_KILL
MUTE_HP
MUTE_HP
8257_RESET
PGND
IR_CNTR
SGND
SGND
SGND
PGND
PGND
PGND
PGND
PGND
PGND
SGND
SGND
SC1_SL_OUT
SC1_SR_OUT
PGND
PGND
PGND
TUNER_VT
PGND
PGND
SIDE_AV_SL_IN
SIDE_AV_SR_IN
SGND
PGND
PGND
SGND
COMP1_SL_IN
HDMI_SL_IN
DVI_SL_IN
PC_SR_IN
COMP1_SR_IN
HDMI_SR_IN
DVI_SR_IN
SGND
SGND
SGND
HP_OUT_
R
HP_OUT_
L
I2S_SCLK_AMP
I2S_DATA_AMP
I2S_LRCLK_AMP
SGND
PC_SL_IN
ANY_SC2_SR_OUT
PGND
SGND
SC1_SL_OUT
SC1_SR_OUT
ANY_SC2_SL_OUT
SW_POWER
SGND
SCL1
SDA1
I2S_CLK_AMP
SGND
SGND
SGND
SGND
SC1_COMP2_SR_IN
SC2_AV1_SL_IN
SC2_AV1_SR_IN
I2S_SCLK_AMP
I2S_LRCLK_AMP
I2S_DATA_AMP
I2S_CLK_AMP
SGND
SGND
SGND
SGND
SGND
SCL_STV8257
SDA_STV8257
SGND
TUNER_SIF
ANY_SC2_SR_OUT
ANY_SC2_SL_OUT
SC1_COMP2_SL_IN
PGND
PGND
DGND
SGND
PGND
PGND
SW_PVCC
PGND
PGND
PGND
PGND PGND
9 Schematic Diagrams
-This Document can not be used without Samsung's authorization.
9-1 Power_Sound Schematic Diagram