Read Harman Kardon BDT 20 - BDT 2 (serv.man2) Service Manual online
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
+12VA
ROUT5
AOUTR
MUTE_R
AOUTL
MUTE_L
-12V
+12V
-12VA
DAC_RST#
AOUTL+
AOUTL-
AOUTL
AOUTR+
AOUTR-
AOUTR
MUTE_1
MUTE_2
MUTE_2
CSN
SCL
AOUTL-
AOUTL+
AOUTR-
AOUTR+
SDA
DAC_RST#
MUTE_1
MUTE_2
MUTE
MUTE_L
MUTE_R
AL
AR
-12V
+12V
3.3V
AL
SCL
SDA
AR
AOBCK_R
AOMCLK_R
LOUT5
MUTE_L
MUTE_R
5V_STBY
AOLRCK
AOMCLK
AOBCK
AOSDATA3
MUTE
CSN
SCL
SDA
SDA
AOSDATA0
AOSDATA1
AOSDATA2
AOSDATA1
AOSDATA2
-12VA
+12VA
-12VA
+12VA
+12V_P
VCC_P
VCC_P
5V_STBY
VCC
-12V
[2]
LOUT5
[9]
ROUT5 [9]
+12V
[2,13]
AOSDATA1
[5]
AOBCK
[5]
AOLRCK
[5]
AOSDATA0
[5]
AOMCLK
[5]
AOSDATA2
[5]
AOSDATA3
[5]
DAC_RST#
[6]
A_MUTE_M
[7]
AMUTE
[5,7]
AOMCLK_R
[5]
AOBCK_R
[5]
AOSDATA4_R
[5]
AOLRCK_R
[5]
-12V
[2]
+12V
[2,13]
3.3V
[2,3,5,6,7,8,11,12,13]
SDA
SCL
5V_STBY
CSN
for inside and outside Audio DAC
MUTE CIRCUIT
OUTSIDE DAC
OP CIRCUIT
560PF/100PF
C59
560PF/100PF
C59
1
2
R59
100R
100R
R59
100R
100R
4.7K/NC
R79
1%
4.7K/NC
R79
1%
2
1
NE5532D
SO8
U6A
NE5532D
SO8
U6A
IN+
3
IN-
2
OUT
1
V+
8
V-
4
C628
0.1uF
0.1uF
C628
0.1uF
0.1uF
R502
470R
R502
470R
R1360
4.7K
R1360
4.7K
XP8
CON14
XP8
CON14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2
3
4
5
6
7
8
9
10
11
12
13
14
R1368
22K
R1368
22K
R97
100R
100R
R97
100R
100R
R1359 100R
R1359 100R
470PF/NC
C64
470PF/NC
C64
1
2
AOSDATA0
AOSDATA0
SCL
SCL
4.7K/NC
R83
1%
4.7K/NC
R83
1%
2
1
AOSDATA2
AOSDATA2
R62
100R
100R
R62
100R
100R
Q219
3906
3906
Q219
3906
3906
4.7K/NC
R75
1%
4.7K/NC
R75
1%
2
1
3300PF/1000PF
C66
3300PF/1000PF
C66
1
2
R1366
4.7K
4.7K
R1366
4.7K
4.7K
R504
100K
R504
100K
R1384
1K
1K
R1384
1K
1K
R514
100K
R514
100K
470PF/NC
C62
470PF/NC
C62
1
2
D523
1N4148
D523
1N4148
5.1K/30K
R85
1%
5.1K/30K
R85
1%
2
1
SDA
SDA
L859
100uH
L859
100uH
U915
AK4385ET
U915
AK4385ET
DZFR
15
DZFL
16
PDN
5
BICK
2
MCLK
1
VDD
14
VSS
13
SDTI1
3
CSN
6
CDTI
8
CCLK
7
AOUTR+
10
AOUTL+
12
AOUTR-
9
AOUTL-
11
LRCK
4
+
CE18
100uF/16V
+
CE18
100uF/16V
MUTE1
MUTE1
D525
1N4148
D525
1N4148
470R/5.1K
R86
1%
470R/5.1K
R86
1%
2
1
5.1K/30K
R77
1%
5.1K/30K
R77
1%
2
1
R1361
10K
10K
R1361
10K
10K
D524
1N4148
D524
1N4148
AOMCLK
AOMCLK
3300PF/1000PF
C48
3300PF/1000PF
C48
1
2
R512
470R
470R
R512
470R
470R
R507
3.3K
3.3K
R507
3.3K
3.3K
D526
1N4148/NC
D526
1N4148/NC
+
CE17
100uF/16V
+
CE17
100uF/16V
C61
0.1uF
C61
0.1uF
R135
NC/10K
R135
NC/10K
+
C501
10uF/16V
+
C501
10uF/16V
R517
3.3K
3.3K
R517
3.3K
3.3K
Q215
BT3904
Q215
BT3904
R1396
1K
1K
R1396
1K
1K
C611
0.1uF
0.1uF
C611
0.1uF
0.1uF
R1389 NC/0R
R1389 NC/0R
R1391
100K
R1391
100K
+
C511
10uF/16V
+
C511
10uF/16V
R1362
330R
R1362
330R
470R/5.1K
R78
1%
470R/5.1K
R78
1%
2
1
R1363
3.3K
3.3K
R1363
3.3K
3.3K
Q218
3906
3906
Q218
3906
3906
R1358 100R
R1358 100R
AOSDATA3
AOSDATA3
C625
10uF
10uF
C625
10uF
10uF
5.1K/0R
R90
1%
5.1K/0R
R90
1%
2
1
AOLRCK
AOLRCK
+
C169
NC/10uF/16V
+
C169
NC/10uF/16V
C60
0.1uF
C60
0.1uF
R1388 NC/0R
R1388 NC/0R
C69
0.1uF
C69
0.1uF
R1383
100K
R1383
100K
C68
0.1uF
C68
0.1uF
C67
0.1uF
C67
0.1uF
470R/0R
R81
1%
470R/0R
R81
1%
2
1
Q18
BT3904
BT3904
Q18
BT3904
BT3904
R1364
0R
0R
R1364
0R
0R
+
CE597
220U/16V
+
CE597
220U/16V
C613
0.01uF
0.01uF
C613
0.01uF
0.01uF
R513
470R
470R
R513
470R
470R
470R/0R
R89
1%
470R/0R
R89
1%
2
1
+
CE603
10uF/10V
10uF/10V
+
CE603
10uF/10V
10uF/10V
Q19
BT3904
BT3904
Q19
BT3904
BT3904
R516
3.3K
3.3K
R516
3.3K
3.3K
Q17
BT3904
Q17
BT3904
R122
NC/10K
R122
NC/10K
R98
100R
100R
R98
100R
100R
U914
78L05
U914
78L05
OUT
1
GND
2
IN
3
AOBCK
AOBCK
5.1K/0R
R82
1%
5.1K/0R
R82
1%
2
1
MUTE
MUTE
Q214
3906
3906
Q214
3906
3906
R1367
0R/NC
0R/NC
R1367
0R/NC
0R/NC
R1365
4.7K
R1365
4.7K
560PF/100PF
C63
560PF/100PF
C63
1
2
NE5532D
SO8
U6B
NE5532D
SO8
U6B
IN+
5
IN-
6
OUT
7
V+
8
V-
4
R508
3.3K
3.3K
R508
3.3K
3.3K
C612
0.1uF
0.1uF
C612
0.1uF
0.1uF
+
C168
NC/10uF/16V
+
C168
NC/10uF/16V
Q16
BT3904
Q16
BT3904
Q213
3906
3906
Q213
3906
3906
R501
470R
470R
R501
470R
470R
4.7K/NC
R87
1%
4.7K/NC
R87
1%
2
1
AOSDATA1
AOSDATA1
Main Board Circuit Diagram:Audio DAC
7-12
7-12
harman/kardon
BDT 2 / BDT 20 Service Manual
Page 34 of 37
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