Samsung Electronics
Schematic Diagrams
4-3
4-3 Audio (MSP3451G)
JAN 3,2003
Alexander ASIA
6
7
9
A12V
HIGH : B4/B5
4_A3_Audio (MSP3451G)
10
2
GND
GND
B
L+
SEC
6
W:80H / R:81H
ADR_SEL
5
H
LOW : B0/B1
F
C
7
1
4
4
D
12vamp
GND
H
1
GND
OPEN : B8/B9
G
A
12
D
L-
3
10
8
3
REF.NO
D
W
GND
2
MUTE
9
A
SHEET.NO
CODE.NO
8
C
G
PR
SC USE
HP USE
5
E
N
G
4/13
ED DATE
SEC
Model :
SEC
Sheet Title :
12Vamp
R-
R+
11
G
F
B
12
A6V
E
11
E
VT
220nF
C356
C403
10uF
C373
100pF
R380
100
C311
100nF
50V
MO
ZD305
RLZ8.2
1K
R365
4.7K
R363
Q0
Q1
C332
1.5nF
HC-49/SM5H(18.432MHz)
X301
C450
10uF
50V
10uF
C402
TP37
1
100
R390
100nF
C352
C404
10nF
SC4_IN_R
SO_IN_R
57
80
STANDBYQ
70
TESTEN
TP
73
VREF1
35
26
VREF2
VREFTOP
58
XTAL_IN
71
72
XTAL_OUT
21
56
SC1_IN_L
SC1_OUT_L
37
SC1_OUT_R
36
53
SC2_IN_L
SC2_IN_R
54
34
SC2_OUT_L
SC2_OUT_R
33
SC3_IN_L
50
51
SC3_IN_R
47
SC4_IN_L
48
NC_16
75
76
NC_17
NC_2
18
NC_3
19
NC_4
20
NC_5
22
23
NC_6
NC_7
29
NC_8
31
32
NC_9
RESETQ
12
DVSUP_3
13
77
D_CTR_I_O_1
MONO_IN
60
NC_1
1
41
NC_10
NC_11
42
NC_12
46
59
NC_13
NC_14
63
NC_15
64
CAPL_A
78
C_CTR_I_O_0
DACA_L
25
24
DACA_R
28
DACM_L
DACM_R
27
DACM_SUB
30
DVSS_1
14
DVSS_2
15
DVSS_3
16
DVSUP_1
11
DVSUP_2
ANA_IN2
69
55
ASG1
ASG2
52
49
ASG4
74
AUD_CL_OUT
61
AVSS_1
AVSS_2
62
65
AVSUP_1
66
AVSUP_2
40
CAPI_M
38
5
ADR_CL
10
ADR_DA
8
ADR_SEL
79
ADR_WS
9
AGNDC
45
43
AHVSS_1
AHVSS_2
44
39
AHVSUP
68
ANA_IN
ANA_IN1
67
MSP3451G
IC303
12C_CL
2
12C_DA
3
12S_CL
4
12S_DA_IN1
7
17
12S_DA_IN2
12S_DA_OUT
6
12S_WS
C391
47uF
16V
TP30
1
10K
R322
4.7K
C355
220nF
RLS4148TE-11
R371
100nF
C393
D302
100pF
C374
1nF
C360
+9V_R
1nF
C382
R330
6.8K
L305
8.2Kohm
R319
+5V_R
C380
10uF
16V
2.2K
C354
220nF
C383
1nF
R346
TP40
1
1nF
C359
16V
10uF
C328
R343
100
FT302
1
A
2
B
C335
0.056nF
HH-1H4532-121JT
FT301
1
A
2
B
HH-1H4532-121JT
100nF
C314
+33V
C319
100nF
50V
MO
F
6
G
7
H
8
10uF
16V
C384
TL062CDT
IC305
1
A
B
2
C
3
D
4
E
5
1uF
C364
+D12V
C385
100nF
INSTPAR
1
23
4
C365
100nF
C313
100nF
L308
R327
10K
2
3
4
5
6
7
8
9
10
+9V_R
CN301
slcon10p
1
jack4p
JA300
1
2
3
4
4.7uF
C312
25V
50V
2.2uF
C350
4.7K
R344
R341
100
D303
C388
10uF
16V
100
RLZ16C
TP34
1
R318
1
2
3
4
MO
50V
100nF
C316
INSTPAR
FT308
0.056nF
C333
16V
R309
1K
10K
10uF
C386
100nF
C368
R362
R354
10K
C376
22uF
100nF
C325
L306
N
R303
100K
R350
TP42
1
1uF
C334
4.7K
N
L300
C375
1.5nF
R361
10K
RLZ16C
D304
C455
1nF
1
C341
0.002nF
TP29
1
TP31
R333
4.7K
16V
220uF
C315
C346
100nF
R372
4.7K
D306
RLZ16C
R368
C351
220uF
16V
50V
1uF
C344
4.7K
220uF
C392
+5V_R
C363
1uF
100nF
C327
C330
10uF
C
E
1uF
C361
Q300
KSC1623-G
B
1
100nF
C337
TP33
1
TP45
1
R308
1K
11K
R321
TP32
D307
RLS4148TE-11
R382
100
+9V_R
PMLL4148
D311
100uF
C405
51K
R352
C338
100uF
16V
1
A
2
B
C310
220uF
16V
+5V_R
FT306
HH-1H4532-121JT
51K
R324
220nF
C309
3
4
C305
220uF
16V
L307
INSTPAR
1
2
100
R300
10K
R351
MO
50V
100nF
C323
MO
50V
100nF
C451
C389
C411
3.3nF
R360
100nF
10K
4.7K
R307
100
R317
MPZ2012S300A
FT304
B
1nF
C307
L301
N
4.7uF
C300
100
R301
+12V_AMP
C320
100nF
C399
22uF
C395
1uF
50V
R314
4.7K
25V
4.7uF
C317
16V
100uF
C345
C366
22uF
16V
2
GND
1 IN
3
OUT
1nF
C349
IC301
KIA78D05F
16V
10uF
C318
C304
4.7uF
R384
C367
1nF
R329
4.7K
1K
R305
100
RLZ16C
D305
C378
220nF
+9V_R
C358
2.2uF
50V
C362
1uF
11K
R325
C336
1uF
50V
TP46
1
100nF
C342
R348
47K
R342
100
R339
1nF
C340
1.1K
4.7uF
C454
R332
4.7K
100
HH-1H4532-121JT
FT300
A
1
B
2
+12V_AMP
R320
100pF
C371
16V
220uF
C326
R306
100K
100nF
R336
10
E
6
F
7
G
8
H
C387
TL062CDT
A
1
2
B
3
C
4
D
5
10
R335
IC307
C452
4.7uF
1
R338
22K
1K
R385
TP39
D309
PMLL4148
100
R302
0.002nF
C347
20K
R323
B
C
E
16V
100uF
C400
Q302
KSC1623-G
100
R304
4.7K
C322
100uF
R353
470
R313
C343
100nF
C369
100nF
26
Z
10uF
C324
R
18
S
19
T
20
U
21
22
V
23
W
24
X
25
Y
10
J
11
K
12
L
13
M
14
N
15
O
P
16
Q
17
29
C1
4
D
30
D1
5
E
6
F
7
G
8
H
9
I
TA1101B
IC304
1
A
27
A1
2
B
28
B1
3
C
100K
R381
R312
100
N
L350
B
C381
330nF
1
2
3
FT305
MPZ2012S300A
dj003a
JA301
C453
1nF
TP38
1
C370
1nF
TP43
1
L302
1
C306
100nF
50V
MO
TP36
1
TP44
L304
R355
4.7K
1
A
B
2
C372
100pF
C357
HH-1H4532-121JT
FT303
R349
16V
22uF
1nF
C303
4.7K
R370
330
R369
330
0
R367
0
R356
0
R366
R359
0
100pF
C379
100pF
C377
C396
16V
10uF
C394
16V
10uF
C348
100uF
IC302
GND
2
IN
1
OUT
3
C339
100nF
KSC1623-G
Q303
B
C
E
BA178M09FP
22K
R310
C321
10uF
16V
E
PMLL4148
D308
KSC1623-G
Q301
B
C
R331
1K
1
+9V_R
RLZ8.2
ZD306
220nF
C353
TP41
PMLL4148
D310
+12V_AMP
TP35
1
C331
22uF
16V
2
B
51K
R326
HH-1H4532-121JT
FT307
A
1
L303
100K
R383
R340
C329
0.056nF
15K
100
2.2K
R347
R364
R315
100
20K
6.8K
R316
R328
PC_SL
PC_SR
SCT_SL_OUT
SCT_SR_OUT
HRIN
HLIN
HPDL
HPDR
nMUTE
AUDIO_RESET
TUNER_MONO
SCT_SL_OUT
SCT_SR_OUT
SCT2_SL_OUT
SCT2_SR_OUT
HLIN
HRIN
nMUTE
SCT_SR_IN
SCT_SL_IN
SCT2_SR_IN
SCT2_SL_IN
S-VHS_SL
S-VHS_SR
SIF1
SCL1_5V
SDA1_5V
SIF2
TP07
TP06
TP04
TP05
TP04
TP05
TP06
TP07
