Filter
Top Products
CONFIDENTIAL
LTM1555(B)/LTM1755(B) 10-9
10 Schematic Diagrams
10-5 Audio Part Schematic Diagram
change into 330NF
17" 5.6k
change into 330NF
10uF
3.3UH
L52
C55
3.3UH
L51
C527
100nF
E
7
F
GND
5
Vcc
8
100
R537
TDA7050T/N3
IC51
A
1
B
2
C
3
D
4
6
1
R529
100
R528
100
slcon3p
1
2
3
150nF
C567
100K
CN52
R513
0
R542
BD51
A
1
B
2
C568
150nF
C553
470pF
+14V_OUT
220pF
C570
1uF
C576
10uF
U503
1M
100nF
C534
B
R547
1
A
B
2
C
3
BD52
HB-1M2012-800JT
100
RLZ8.2
D55
100
R535
R536
4.7K
R527
A
B
2
C558
150nF
FT51
1
2pF
C571
X51
HC-49/SM5H(18.432MHz)
10uF
C56
100nF
C533
C5239
10uF
R543
10
C517
4.7uF
+5V_DEC
100uF
C512
R56
1K
C550
100pF
100uF
C514
C513
100uF
+12V_AUDIO
4.7uF
C551
100nF
C537
150nF
C569
R538
100
2.7K
100nF
C531
R548 R549
T115
1
5.6K
0
R514
GND
INOUT
100
R532
IC52
BA178M08FP
C54
10uF
10uF
C541
1nF
R510
56K
C53
dcjhp_4_1
1
2
3
4
5
6
1
CN51
C536
100nF100nF
C535
+12V_AUDIO
C560
150nF
C561
C559
150nF
150nF
R526
100100
R525
100
R524
C572
2pF
1K
R51
R511
1.5nF
C542
C543
1.5nF
56K
16V
C565
150nF
100uF
C59
+14V_OUT
C557
150nF
150nF
C556
10K
C532
100nF
R540
R541
1
T112
1
10K
T116
100
R533
100pF
100pF
C546
100pF
C549
C545
4.7K
C782
R539
10uF
C57
4.7uF
100nF
C538
C554
470pF
C540
1nF
+8V_AUDIO
L53
C52
1.5nF 1.5nF
C51
C562
150nF
10
R544
L56
L55
L54
4.7uF
C520
C519
4.7uF
C530
100nF
V
23
W
24
X
25
Y
26
Z
R550
6.8K
N
15
OP
16
Q
17
R
18
S
19
T
20
U
21
22
F
7
G
8
H
9
I
10
J
11
K
12
L
13
M
14
A1
2
B
28
B1
3
C
29
C1
4
D
30
D1
5
E
6
1
IC55
TA1101B
1
A
27
2
6
43
1
5
T111
D51
C566
150nF
slcon2p
CN53
1
2
100
R518
4.7uF
C516
4.7uF
C515
R531
100
C548
100pF
C552
100pF
C547
4.7uF
100
R523
100
100
R522
100
R521
+5V_DEC
R534
26
VREF2
58
VREFTOP
71
XTAL_IN
XTAL_OUT
72
100
R516
34
33
SC2_OUT_R
50
SC3_IN_L
SC3_IN_R
51
SC4_IN_L
47
SC4_IN_R
48
SO_IN_R
57
STANDBYQ
80
TESTEN
70
TP
73
35
VREF1
23
NC_6
NC_7
29
31
NC_8
NC_9
32
21
RESETQ
56
SC1_IN_L
37
SC1_OUT_L
SC1_OUT_R
36
53
SC2_IN_L
54
SC2_IN_R
SC2_OUT_L
NC_11
46
NC_12
NC_13
59
NC_14
63
NC_15
64
75
NC_16
NC_17
76
18
NC_2
NC_3
19 20
NC_4
22
NC_5
30
14
DVSS_1
15
DVSS_2
16
DVSS_3
11
DVSUP_1
DVSUP_2
12 13
DVSUP_3
77
D_CTR_I_O_1
60
MONO_IN
1
NC_1
41
NC_10
42
AVSS_2
62
65
AVSUP_1
AVSUP_2
66
CAPI_M
40
CAPL_A
38
78
C_CTR_I_O_0
25
DACA_L
24
DACA_R
DACM_L
28
27
DACM_R
DACM_SUB
43
AHVSS_2
44
39
AHVSUP
ANA_IN
68
67
ANA_IN1
69
ANA_IN2
55
ASG1
52
ASG2
ASG4
49
AUD_CL_OUT
74
61
AVSS_1
12S_CL
47
12S_DA_IN1
17
12S_DA_IN2
6
12S_DA_OUT
5
12S_WS
10
ADR_CL
8
ADR_DA
79
ADR_SEL
9
ADR_WS
AGNDC
45
AHVSS_1
IC53
MSP3421G-B8
2
12C_CL
3
12C_DA
R517
100
C563
150nF
C526
4.7pF
1uF
C521
R512
0
C524
56PF
47KR52
C522
56PF
C523
56PF
R55
1K
R54
1K
16V
100uF
C511C510
100uF
16V
150nF
C564
100K
R837
R59
56K
R58
56K
1K
R57
330
R546
330
C555
R545
R53 47K
470pF
C529
100nF
4.7uF
C518
C544
1.5nF
C58
100uF
R520
100
100
R519
3.3uF
C5244
3.3nF
C574
C575
3.3nF
47nF
C573
C539
100nF
4.7pF
C525
20K
R553
6.8K
R551
1
20K
R552
T114
1
T113
R530
100
100nF
C528
2
GND
1
IN OUT
3
4.7uF
C777
MONO_IN
+8V_AUDIO
IC54
MC7812CD2T
COM2_R
SCL2
SCR2
COM1_L
COM1_R
SCR1
SCL1
PC_AGND
AUDIO_MUTE
SDA
SCL
QSS_IF
PC_AGND
DTV_AGND
SCOL1
SCOR1
SCL4
SCR4
COM2_L
SLIN
SRIN
MODE
HPDR
HPDL
HLIN
HRIN
SCL1
SCR3
SCL3
SCR2
SCL2
SLIN
SRIN
HLIN
HRIN
SCR4
SCL4
SCR1
10