Read Harman Kardon BDS 275_277_575_577 Service Manual online
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
9.5V
(1000/150+1)*1.25=9.58
MOTOR DRIVER TI2050G4
TPIC_TRAYOUT#
VLDDIN
TPIC_VWDC2O
A9P5V
TPI
C_V
TPI
C_W
TPI
C_U
V/W
W/V
TPI
C_CO
M
M
O
N
U/C
C/U
TPIC_A+
TPIC_B+
TPIC_B-
TPIC_A-
TPIC_LOAD-
TPIC_LOAD+
TPIC_TL+
TPIC_TL-
TPIC_TR-
TPIC_TR+
TPIC_FR+
TPIC_FG
TPIC_MUTE1
TPIC_FR-
TPIC_TRAYIN#
TPIC_GIO2
TPIC_FMO1
TPIC_FMO2
TPIC_TYPWM
TPIC_CO_A-
TPIC_VWDC2O
TPIC_CO_B+
TPIC_CO_B-
TPIC_CD_LD
TPIC_CO_A+
PULL_CTL
TPIC_DVD_LD
TPIC_BD_LD
TPIC_CD_LD
TPIC_V
TPIC_CO_A+
TPIC_COMMON
TPIC_CO_B+
TPIC_CO_A-
TPIC_W
TPIC_U
TPIC_TR+
TPIC_FR-
TPIC_FR+
TPIC_TL-
TPIC_A+
TPIC_TL+
TPIC_TR-
TPIC_A-
TPIC_B+
TPIC_B-
TPIC_CO_B-
TPIC_BD_LD
TPIC_FG
TPIC_DVD_LD
TPIC_MUTE1
VLDDIN
TPIC_GIO2
TPIC_TYPWM
TPIC_FMO1
A9P5V
TPIC_FMO2
TPIC_TRAYIN#
TPIC_TRAYOUT#
TPIC_LOAD-
TPIC_LOAD+
+12V_D
VCC_OPU
M
A3.3VM
M12V_T
+12V_D
VCC_D
MVCC_T
M12V_T
M
MVCC_T
A3.3V
M
M
AVCC
M
M12V_T
FE_GND
M12V_T
MVCC_T
FE_GND
MVCC_T
MVCC_T
M
M
M
M
M12V_T
A3.3VM
M
A3.3V
M12V_T
M
TPIC_TL+
TPIC_TL-
TPIC_CO_B+
TPIC_CO_B-
TPIC_CO_A-
TPIC_CO_A+
TPIC_GIO2
TPIC_VWDC2O
TPIC_DVD_LD
TPIC_CD_LD
TPIC_TRAYIN#
TPIC_BD_LD
TPIC_FMO2
TPIC_MUTE1
TPIC_FMO1
TPIC_FR-
TPIC_TYPWM
TPIC_FG
TPIC_TR+
TPIC_TR-
TPIC_FR+
TPIC_TRAYOUT#
TP55
TP55
R379
91K
R379
91K
+
220uF/16V
CE14
+
220uF/16V
CE14
C
456
100pF/
50V/
N
P0
C
456
100pF/
50V/
N
P0
C468
10uF/16V/X7R
C468
10uF/16V/X7R
+
220uF/16V
CE15
+
220uF/16V
CE15
TP52
TP52
C461
10uF/10V/Y5V
C461
10uF/10V/Y5V
C
455
100pF/
50V/
N
P0
C
455
100pF/
50V/
N
P0
C451
1uF/25V/Y5V
C451
1uF/25V/Y5V
R380
150/1%
R380
150/1%
C
458
100pF/
50V/
N
P0
C
458
100pF/
50V/
N
P0
TPIC_A-1
TPIC_A-1
R382
0
R382
0
TRAYOUT#1
TRAYOUT#1
R396
NC/10K
NC/10K
R396
NC/10K
NC/10K
C
460
100pF/
50V/
N
P0
C
460
100pF/
50V/
N
P0
C472
4.7uF/16V/Y5V
C472
4.7uF/16V/Y5V
C484
100pF/50V/NP0
C484
100pF/50V/NP0
U19
AS1117
U19
AS1117
input
3
Vout
4
ADJ/GND
1
output
2
R394
NC/0
R394
NC/0
C470
4.7uF/16V/Y5V
C470
4.7uF/16V/Y5V
FB38
10/2A
FB38
10/2A
R390
1
R390
1
TP54
TP54
W/
V
1
W/
W/
V
1
TPIC_B-1
TPIC_B-1
R389
1
R389
1
D16
NC/MBRX140/40V/1A
D16
NC/MBRX140/40V/1A
R
385
0
R
385
0
C449
0.01uF/50V/X7R
C449
0.01uF/50V/X7R
C
453
100pF/
50V/
N
P0
C
453
100pF/
50V/
N
P0
XP10
8PIN/1.0mm
XP10
8PIN/1.0mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
C474
0.1uF/25V/Y5V
C474
0.1uF/25V/Y5V
R
384
0
R
384
0
C464
0.1uF/25V/Y5V
C464
0.1uF/25V/Y5V
U/C1U/C1
C483
0.1uF/16V/Y5V
C483
0.1uF/16V/Y5V
C450
6800pF/50V/X7R
C450
6800pF/50V/X7R
C462
0.01uF/50V/X7R
C462
0.01uF/50V/X7R
C
457
100pF/
50V/
N
P0
C
457
100pF/
50V/
N
P0
R378
0
R378
0
C467
0.1uF/25V/Y5V
C467
0.1uF/25V/Y5V
C473
0.1uF/16V/Y5V
C473
0.1uF/16V/Y5V
XP5
5PIN/1.0mm
XP5
5PIN/1.0mm
1
1
2
2
3
3
4
4
5
5
FB36
10/2A
FB36
10/2A
R
386
0
R
386
0
C481
10uF/10V/Y5V
C481
10uF/10V/Y5V
C480
0.1uF/16V/Y5V
C480
0.1uF/16V/Y5V
TP53
TP53
R393
33K
R393
33K
C465
0.1uF/25V/Y5V
C465
0.1uF/25V/Y5V
C482
0.1uF/16V/Y5V
C482
0.1uF/16V/Y5V
R388
1
R388
1
FB32
10/2A
FB32
10/2A
C466
0.1uF/25V/Y5V
C466
0.1uF/25V/Y5V
U18
TPIC2050
U18
TPIC2050
SLED1_P
1
SLED1_N
2
P12V_3
3
SLED2_P
4
SLED2_N
5
PGND_2
6
C10V
7
CP1
8
CP2
9
CP3
10
GPOUT
11
XFG
12
RDY
13
SSZ
14
SCLK
15
SIMO
16
SOMI
17
SIOV
18
XRSTIN
19
PULL_CTL
20
VLDDIN
21
CV3P3
22
AGND/DGND
23
A9P5V
24
ILDD_BD
25
ILDD_DVD
26
STP2_P
54
STP1_N
53
STP1_P
52
AGND
51
ISENSE
50
ICOM2
48
W
47
V
45
ICOM1
44
U
43
P12V_1
42
PGND_1
41
FCS_N
40
FCS_P
39
TRK_N
38
TRK_P
37
TLT_P
36
TLT_N
35
P5V_1
34
CHG
33
ICTL
32
P5V12L
31
LOAD_N
30
LOAD_P
29
CA5V
28 ILDD_CD
27
STP2_N
55
P12V_2
46
MCOM
49
P5V_2
56
R381
1K/1%
1K/1%
R381
1K/1%
1K/1%
TPIC_A+1
TPIC_A+1
R395
NC/10K
NC/10K
R395
NC/10K
NC/10K
R387
1
R387
1
C/U1C/U1
C471
4.7uF/16V/Y5V
C471
4.7uF/16V/Y5V
TRAYIN
TRAYIN
R392
1
R392
1
V/
W
1
V/
V/
W
1
R
383
0
R
383
0
C475
0.1uF/25V/Y5V
C475
0.1uF/25V/Y5V
R391
0
R391
0
C479
4.7uF/16V/Y5V
C479
4.7uF/16V/Y5V
C485
100pF/50V/NP0
C485
100pF/50V/NP0
C
454
100pF/
50V/
N
P0
C
454
100pF/
50V/
N
P0
TPIC_B+1
TPIC_B+1
C
452
100pF/
50V/
N
P0
C
452
100pF/
50V/
N
P0
FB37
10/2A
FB37
10/2A
GND5
GND5
C463
10uF/10V/Y5V
C463
10uF/10V/Y5V
C478
0.1uF/16V/Y5V
C478
0.1uF/16V/Y5V
C477 0.1uF/16V/Y5V
C477 0.1uF/16V/Y5V
C469
0.1uF/25V/Y5V
C469
0.1uF/25V/Y5V
C476
1uF/25V/Y5V
C476
1uF/25V/Y5V
7-15
7-15
Main Board Circuit Diagram:DRIVER
Harman Kardon
BDS X75 + X77 Service Manual
Page 93 of 106
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