Samsung LW32A23W Service Manual page 19

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Power, DVI, Tuner Block Schematic Diagram
3
IC801
BA033FP
1 IN OUT 3
GND
2
C805
C804
C807 C806
100nF 47uF
100uF 100nF
16V
STD_VCC5A STD_VCC5B
STD_VCC6A
IC800
MC33269DTRK-5.0
3 4
IN OUT
GND
C800 1
C802
100uF C801 C803
16V 100nF 100nF 100uF R822
20K
(VCC_14V)
VCC12A VCC5A VCC12AS
CN800
slcon14p
C811
1
T140 100nF
C810
2 100uF
T141
16V
3
T142
4
5
TP32 6
7
STD_VCC5B
8
9
T143 1
4
L916
10
INSTPAR
11 2 3
R802
4
1 33K
12
L917
INSTPAR
13
2 3
TP33 14
C825
100uF
16V
C826
C827
GND_AMP
100uF
100nF
16V
SW_SMPS
Q801
2SC2412K-Q
SW_POWER
SW_PVCC
R825
C869
100K
100nF
1/16W
C867
100nF R817
33K
C868
C
1/16W
100uF
B
R816
10 E Q806
2SC2412K-Q
R818
33K
1/16W
R8303 C8190
12K 1000nF
1/16W 6.3V
MO
VCC12B
FT806
LFB30-3A1E223M
IC822
B A
2 ISL6520IB
C 1
R8304
3
6.2K
1/16W
C8189
1nF
C8192
50V
33nF
GND_AMP
16V MO
VCC12BS
MO
R8305
316
1/16W
C8105 C8106 C8107 C8108
100uF 100uF 100uF 100uF
GND_AMP
GND_AMP DGND
FT846
AGND
TUNER_GND_2
FT847
AGND SGND AGND
SGND GND_AMP TUNER_GND_1
LW32A23W/LW40A23W
STD_VCC3B
VCC2.5AuP
NO USE IN ASIA,USA
DELETE THE PARTS IN BOX.
R9240_M,R9241_M,R9242_M,R9243_M
C817 C818 FT916_M,FT918_M
100uF 100nF
16V
Q906_M,Q907_M,Q908_M
VCC2.5DuP
R820
IC802
4.7K
LP3961EMP-2.5
2 3
VIN VOUT
MUTE_HW
1 4 R9242M
SD SENSE
100K
C
GND
Q820
B
R821 KSC1623-Y
C814 5
4.7K 100uF
E
16V
SW_POWER Q906M
B
2SC2412K-Q
R9240M E
VCC5DDC
33K C
VCC3DuP
C8131M
1uF
10V
MO
IC803
BA033FP
1 3
IN OUT
GND
R9241M
C821 2 C824 33K
100uF C823 100nF
100uF
16V
R803
10K
R804
100
PRO_SMPS
IC805 IC807
C
Q800 MC33269DTRK-12 BA178M08FP
B
2SC2412K-Q
3 IN OUT 4 1 IN OUT 3
E GND GND
C833 C834
1 2
C832 100uF
100nF
100nF C839
16V 16V C840
C831 16V 100uF 100nF
MO
100uF MO 16V
R807 C830
IC804
56K 1uF
SI9933ADY-T1
1/16W 10V IC806 VCC5B
MC34063ACD
1 8 R809
S1 D1
0.33 8 1 D803
2 G1 D1_1 7 H A
3 D2 6 1W MBRM130LT3 L801
S2
R9357 4 2
G2 D2_1 5 7 G B
56K C846
C841
3 0.12nF
1uF 6 F C
R808
10V C845
C 56K C844 4
100nF 5 E D
B 100uF
16V
R805 R9358
E Q802
R811
33K 2SC2412K-Q 56K R810
3.6K
1.2K C847 C848
1/16W
1/16W 100uF 100nF
16V
C
Q803
B
2SC2412K-Q VCC5I
R806
E
33K
IC809
SI9933ADY-T1
C858 C861 C862
1 8 100uF 100uF 100nF
S1 D1
2 7 VCC5P
G1 D1_1
C853 C854 R813 C857
3 6
S2 D2
100uF 100nF 100K 1uF 4 5 FT839
G2 D2_1
10V SGM32F1E104-2A
16V
R812 1 2
A B
10K C
C VCC5C 3
C860
R815
B
1uF
100K
10V
E Q804
2SC2412K-Q
C866
C C865 100nF
B Q805 100uF
2SC2412K-Q
R814
E
33K
VCC3D_PPMM
FT816
IC810
SGM32F1E104-2A
SI9933ADY-T1 C874
100nF
1 8 B A
S1 D1 2 1
2 7 C
C871 G1 D1_1
3 6 3
S2 D2
1uF
4 5
10V G2 D2_1
C873
100uF
VCC3A_PPMM
C872 R819
1uF
100K FT860
10V
1/16W
B A
2 1
C
C 3
Q807
B
2SC2412K-Q
E
VCC2.5D_PPMM
IC812
LP3961EMP-2.5 C886
100nF
2 3
VIN VOUT
1 4
SD SENSE
C882
GND C885
100nF
C8191 100uF
D805 3 C881 5
C8193 1000nF 16V
BAT54A 100uF
100nF
6.3V
16V MO
1 2
MO
IC823
5 ITF86110DK8T
VCC3D_DPTV
VCC
BOOT 1 DRAIN1_2 8
FT821
7 1 7
COMP_OCSET SOURCE1 DRAIN1_1
2 SGM32F1E104-2A
UGATE 2 GATE1 L803
8 6 B A
PHASE DRAIN2_2 2 1
6 3 C
FB LGATE 4 SOURCE2 DRAIN2_1 5
GND 4 R8306 3
GATE2
1K C8186
3
1/16W 82uF
6.3V
VCC3A_DPTV
FT823
B A
2 1
C
3
R8307
C8188 VCC3_DNI
18 IC824
39nF
1/16W FAN1117AD-1.8
25V
MO 3 IN OUT 4
GND
1
C8300 C8302
C8297 C8301
47uF 100nF
16V 16V 100uF 100nF
16V 16V
MO
MO
VCC2.5D_DPTV
IC814
LP3961EMP-2.5
2 3
VIN VOUT
1 4
SD SENSE
GND
C897 C898
5
100uF 100nF
C8101 C8102
100uF 100nF
16V
AGND
TUNER_GND_1 TUNER_33_1
TUNER_GND_2 TUNER_33_2
VCC3DuP
FT300
2 B A 1
C
3
C300 C301
100nF 10uF
DGND
16V
C8130_M,C8131_M,C8132_M,C8133_M,C8150_M,C8152_M R300
PD_CLK
R301
PD_DE
VCC2.5T
R302
PC_DVI_VSYNC
R303
PC_DVI_HSYNC
Q908M
C304
SI9933ADY-T1
10pF
C302 C303
C305
1 S1 D1 8 15pF 15pF
7 10pF
2 G1 D1_1
C8130M
3 S2 D2 6
1uF
4 G2 D2_1 5 C8133M C8152M DGND DGND DGND
10V
100uF 100nF
MO
16V
VCC3T
RA300
22
P1B(0:7)
P1B0
P1B1
P1B2
P1B3
C8132M C8150M
P1B4
100uF
100nF P1B5
16V
P1B6
P1B7
RA301
22
R9243M
RA302
100K
P1G(0:7) 22
P1G0
P1G1
EO MTTX OPTION
C P1G2
B Q907M P1G3
2SC2412K-Q P1G4
E P1G5
P1G6
P1G7
RA303
22 RA304
P1R(0:7)
22
P1R0
P1R1
P1R2
P1R3
P1R4
P1R5
VCC8B P1R6
P1R7
RA305
22
1 I1 O2 4
RX2+ FT302
VCC3B
DGND
2 3 ACM2012-361-2P
RX2_
I2 O1
1 4
I1 O2
RX1+ FT303
C8129 2 3 ACM2012-361-2P
C8151
RX1_
47uF I2 O1
100nF
16V 1 4
I1 O2
RX0+
FT304
2 3
ACM2012-361-2P
RX0_
I2 O1
1 4
VCC1.8B I1 O2
RXC+
FT305
IC815
2 3
ACM2012-361-2P
BA33B00FP RXC_
I2 O1
6
1 GND_2 4
L802 VO1 VO2 DGND
R823
N
2 3 13K
VCC GND_1 1/10W C8128
N_F
C8127 5 47uF
100uF 16V
16V R824
30K
C319 C320 C321 C322 C323
1/16W
100nF 100nF 100nF 100nF 100nF
VCC5C DGND
FT100
L100
N
AGND
C100
R100
100nF
C101 330
100uF
C104
D100 1uF
TUNER_GND_1
BZX84C33 50V
VCC8B
R101
22K
C105
CN125
RF Ant 100nF
FT101
SUPLVAL
N
1
A L102 TUNER_33_1
TUNER_GND_1
2
B C112
C111 100nF
3
C 100uF 16V
MO
D 4
L908 2.2uH R103
5
E TUNER_GND_1
100
L104 N
SCL3
F 6
L105 N
7 SDA3
G
L909 2.2uH R104
8
H C180_OP 100
47pF
9
I
C181_OP
10 47pF
J
11
K
12
R9479
L
47K
TUNER_GND_1
13
M
R120 100
14 AFT_MASTER
N
R105 75
15 SIF1
O
R106 75 L912 1.5uH
16 TUNER_CVBS
P
1.5uH
17 L913
Q
C8292 1nF
18
R
R107
120
C114
C113
22uF
100pF
16V
TUNER_GND_1
RF Input
VCC1.8_DNI VCC5C
FT102
AGND
L107
CN126 N
SUPLVAL
C115 C116 R108
1
A 100nF 100uF 330
1/16W
2
B
3 C119
C TUNER_GND_2
1uF MMBD4148SE
4
D
D102
L910 2.2uH R109
5 R111
BZX84C33
E 100 22K
L109 N
SCL3 C120
6 C121
F 100nF
10nF
L110 N
7 SDA3
G
L911 2.2uH R112 TUNER_33_2 TUNER_33_2
8
H 100
R9276 C183_OP
9
I 0 47pF C184_OP
1/16W
47pF
10
J C124
2.2nF
11
K
12 R9480
L
47K
TUNER_GND_2
13
M
TUNER_33_2
14 R121 100 AFT_SLAVE
N
15 R113 75 SIF2
O
R114 75 L914 PIP_CVBS
16 1.5uH
P
L915 1.5uH
17
Q
C8293 1nF
18 R115
R
120
1/16W
C126 C127
TUNER_GND_2
22uF
100pF
16V
TUNER_GND_2 TUNER_GND_2
RA308
22
POR(0:7)
POR7
POR6
POR5
POR4
POR3
POR2
POR1
POR0
22
VCC3DuP
RA309
22
22
22
22 FT301
DGND
R304_9 R304_SIL169
0
1/16W DGND
R305_9 R305_SIL169
0 C314
DGND C309 C308
1/16W 100nF
DGND
100nF 100nF
C310 C311 C312
100nF 100nF 100nF
POG(0:7)
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 POG7
IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN
POG6
POG5 RA310
QO2
QE13 22 DGND
51 QO3 IN IN 25 POG4
QE12
52 IN 24 POG3
QO4 IN
53 IN DVI QE11 23
QO5 IN POG2 RA311
QE10
54 IN 22 POG1 22
QO6 IN
55 IN QE9 21
QO7 IN POG0
QE8
56 IN 20
OVCC4 OGND IN
57 IN 19
OGND4 IN
OVCC POB(0:7)
58 IN 18 POB7
QO8 QE7 IN
59 IN 17
QO9 IN POB6 RA312
QE6
60 IN IC300 16 POB5 22
QO10 QE5 IN
61 IN QO11 SII169CT100 IN 15 POB4
QE4
62 IN 14 POB3
QO12 QE3 IN
RA313
63 IN QO13 IN 13 POB2
QE2 22
64 IN 12
QO14 DVI INTERFACE QE1 IN POB1
65 IN QO15 IN 11 POB0
QE0 R306 4.7K
66 IN B TYPE (RECIEV) 10
VCC2 PD0 IN
67 IN GND2 IN 9
SCDT
68 IN 8 R308
QO16 IN 4.7K
STAG_OUT
69 IN QO17 IN 7
VCC
OR SIL169 R321 1K
70 QO18 IN IN 6 32bit
GND
71 QO19 IN IN 5
PIXS
R311 0
72 QO20 IN IN 4
SDA
73 QO21 IN IN 3 R312 4.7K R9472
PD
4.7K
74 IN QO22 IN 2
RESET DGND
75 IN IN 1 0 1/16W
R313_1 1/16W
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 R313_SIL161B
DDC_DVI_SCLS
R317 R320
0 DGND 220 IC301
KIA7029F
R316_9
680
R316_SIL169 DDC_DVI_SDAS
C B A
D300
3 2 1
R319
C325
2K
100nF
1/16W
C318 C317 C316
C315
10nF 10uF 100uF 100nF
DGND
DGND 16V
C326 C327 C328 C329 C330
100nF 100nF 100nF 100nF 100uF
16V
C324
100nF
DGND
C333
100nF
C331
C332
100nF
100uF
16V DGND
C102 C103
10nF 22uF
L112 16V
N VCC5C
D101 C107
MMBD4148SE
47nF
FT103
TUNER_33_1
C106
10nF
C170
L103
100nF
680uH C108
220pF C171
47uF
R102 16V
100K AGND 2 1 2 1 2 1 2
C
MMBD4148SE
B
C109
3 3 3
2.2nF C110 D106 D107 D108
Q100 E
4.7nF
KSC1623-Y
R122 R123 R124 R125
33K
33K 33K 33K
TUNER_33_1
Y_D1
Y_COMP1
17
PB_COMP1
IC102 PB_D1
74VHC4053MX
16 1
BY
15 VCC 2
PR_COMP1
COMP1_PB B_2 BX
14 3
COMP1_Y CY
13 A_2 4
AY C_1 PR_D1
12 5
CX
16 11 AX 6
A_1 INH
10 7
R116 VEE
9 B_1 8
SW_DVD C_2 GND R128 R129 R130 R131
100
33K 33K 33K 33K
VCC5C
AGND
COMP1_PR
FT104
18
C178 C179
100nF
47uF
16V
2 1 2
AGND
MMBD4148SE
3 3
D112 D113
R134 R135
Y_COMP2
33K 33K
Y_D2
PB_COMP2
IC101
74VHC4053MX
C118
C117 16 1 PB_D2
BY
10nF 22uF VCC
15 2
16V COMP2_PB B_2 BX
L108 14 3 PR_COMP2
CY
COMP2_Y A_2
N 13 4
AY C_1
12 5
D103 C122 CX
AX
11 6
A_1 INH
47nF 10 7 PR_D2
VEE
B_1
9 8
TUNER_33_2 SW_DTV C_2 GND
R117 100
COMP2_PR
L111
680uH C123 R140 R141
220pF
33K 33K
AGND
R110
100K
C
B
C125
4.7nF
Q101 E
KSC1623-Y
TUNER_33_2 TUNER_33_2
Schematic Diagrams
STD_VCC6A STD_VCC5B VCC5DDC STD_VCC3B VCC5B
FT830 FT831 FT832 FT833 FT834
1
2
CN505
dcon30p_j
T231
1 SW_SMPS
2
T232
3
4
T233
5 CH+_OUT
T234
6
T235 VOL+_OUT
7 BUZER_IN
8
T236
9 CH-_OUT
T237
10
T238 VOL-_OUT
11 SOURCE_OUT
T239
12
MENU_OUT
13
T240
14
T241
15
16
T242
17
T243
18
19
T244
20
15 IR
T245
21 LED_GRN
T246
22
LED_RED
23
T247
C313
24
AV_CVBS
100nF 25
T248
26 SVHS_Y
27
T249
28 SVHS_C
29
T250
30 SC1_RGB_FB
C8120 C8121 C8122 C8123 C8124
22uF 1uF 1uF 1uF 1uF
16V
AGND
CN507
VCC3DuP
dcon30p_j
T251
1
26 PC_L
T252
2 PC_R
TP34 3
T253
4 COAXIAL_IN
5
T254
6 OPTICAL_IN
R9473 7
4.7K T255
8 PC_RED
T256
1/16W
9 PC_GREEN 27
T257
10 PC_BLUE
11
DDC_DVI_SCLS T258
12
T259 PC_DDC_HSYNC
R9477 13 PC_DDC_VSYNC
14
T260 28
15 DDC_DVI_SCLS
100 T261
16
Q908 1/16W T262 29 DDC_DVI_SDAS
2N7002L 17 IDENT_PC
T263
18
DDC_DVI_SDAS T264 RX0_
19 RX0+
TP41 20
R9478 T265
21 RX1_
T266
22
100 RX1+
Q909 23
1/16W T267
24
2N7002L T268 RX2_
25 RX2+
26
T269
27 RXC_
T270
28
T131 RXC+
29
T271
30
DDC_VCC5D
CN506 AGND DGND
dcon30p_j
T272
1 SC1_R_SC1_SVHS_CI
T273
2 SC1_G
T274
3 SC1_B_SC1_SVHS_CO
TP40
4
T275
5
SC1_CVBS_IN
6
T276
7
SC1_CVBS_OUT
8
T277
9
SC2_CVBS_IN
10
T278
11
SC2_SVHS_CI
12
T279
13
SC2_CVBS_OUT
14
T280
15
SC2_SVHS_CO
T281
16
17
Y_D1
T282
18
19
PB_D1
T283
20 PR_D1
21 T284
22 Y_D2
T285
23
24 PB_D2
T286
25
PR_D2
26
T287
27
Y_COMP1
TP39 28
29 T288
PB_COMP1
T289
30 PR_COMP1
1 2 1 2 1
AGND
3 3 3
D109 D110 D111
CN509
dcon30p_j
R126 R127
T290
33K 33K 1
Y_COMP2
C169
2
T291
10uF 3
T292 PB_COMP2
16V
4
T293 PR_COMP2
C168 5
T294 D4_1_CONT1
10uF 6
T295 D4_1_CONT2(SC1_SW)
16V 7
T296
D4_1_CONT3
8
T297 D4_2_CONT1
C164 9
T298 D4_2_CONT2(SC2_SW)
10uF
10
16V T299 D4_2_CONT3
11
T100 AV_L
C165
12
10uF AV_R
TP38 13
T101
16V
14
C166 T102 SC1_L_IN
15
SC1_R_IN
10uF
16
16V T103
17
SC1_L_OUT
C167 T104
18
10uF SC1_R_OUT
19
16V T105
20
R132 R133 T106 SC2_L_IN
21
SC2_R_IN
33K 33K
22
T107
23 SC2_L_OUT
T108
24
SC2_R_OUT
25
T109
26
T110 COMP1_L
27
COMP1_R
TP37 28
T111
29
T112 COMP2_L
30
COMP2_R
AGND
CN508
1 2 1 2 1 2 1 2 1
dcon24p_j
TP35 1
T113
2
HP_IDENT
3 3 3 3 3
T114
D114 D115 D116 D117 4
HP_OUT_L
5
T115
6 HP_OUT_R
7
T116
8 WOOFER_OUT
R136 R137 R138 R139
9
33K 33K 33K 33K T117
10 MAIN_L_OUT1
C177 T118
11
MAIN_L_OUT2
10uF
12
16V T119
13
MAIN_R_OUT1
C176 T120
14
10uF MAIN_R_OUT2
15
16V T121
16 SUR_L_OUT1
T122
C172
17 SUR_L_OUT2
10uF
18
T123
16V
19 SUR_R_OUT1
C173 T124
20
SUR_R_OUT2
10uF
21
16V T125
22
T126 CENTER_OUT2
C174
23 CENTER_OUT1
10uF
TP36 24
16V
C175
10uF
16V
GND_AMP
R142 R143 R144 R145
33K 33K 33K 33K