Read Harman Kardon HK 3770 (serv.man8) Service Manual online
27
27
B
1
2
3
4
5
D
C
B
A
6
C
D
A
APPROVE
CHECK
DESIGN
DRAWING NO
1 1
MODEL
SHEET
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
Bluetooth_BM840
Origin:ACA-5036-A2-CC-S 2.4g antenna
TO CODEC
DIG
ITAL
B'
D
IMPEDANCE LINE _ 50ohm [0.5mm]
CHIP ANT
NC / OPTIONS
BT_STATUS
GND
+3.3V_BT
FN2
GND
BT_PWR_CTL
BT_AUDIO_EN
BT_FL
BT_FR
FN1
BT_STATUS_PAIR
CS
SO
WP
VSS
SI
SCK
H
O
LD
VDD
FN3
GND
BM840_SPI_CSB
+3.3V_BT
CHGND
BM840_SPI_MISO
BM840_SPI_CLK
BM840_SPI_MOSI
12.09.01
GND
GND
GND
+5V_BT
TO V
O
LUME
DAC PART
DVDD
DGND
LDOO
XSMT
FMT
LRCK
DIN
BCK
MCK
FLT
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
DEMP
12.11.09
MULTI. LAB
ANAM
ISSUE
MP
HK37x0_BT
12.11.09
C.D.C
S.K.S
C.D.W
Bluetooth
12.11.08
C
1102
10u
F/
6.3V
1
4
3
2
AN1101
C1111
50V/100PF
C1109
50V/100PF
C
1110
OPE
N
C
1108
OPE
N
58
57
56
55
54
53
52
51
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
25
24
23
22
21
20
19
18
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC
1100
R
1101
10Koh
m
R1102
10Kohm
R1109
OPEN
R
1117
100K
R1112
OPEN
R1113
47K
R1118
0
R
1120
1K
R
1121
1K
R
1122
1K
FN4
T8 BM840_DEBUG
R
1110
OPE
N
T11 BT_BLCK
T12 BT_DO
T13 BT_LRCK
8
7
6
5
432
1
IC1101
CVIMX25L8006EM2I-12G
R
1100
3.3Koh
m
R1103
3.3Kohm
R1104
10Kohm
C1
10
0
0.1u
F / 16V
C1103
0.1
R1108
0
R1107
0
R1106
0
R1105
0
R
1115
1K
R
1116
1K
C
1101
1u
F
R
1114
10K
R
1123
OPE
N
R
1124
OPE
N
T1 1.8V_SMPS
7
6
5
4
3
2
1
1
2
3
4
5
6
7
C
N
1102
C
JP
07GA
193Z
Y
C
1112
50V
/1.2p
F
C1104
0.1
17
16
15
13
14
12
11
9
10
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
C
N
1101
C
JP
17GB210Z
Y
R
1119
1K
R1131
OPEN
C1141
10/16V
C1142
10/16V
C1137
2200P
C1138
2200P
R1130
10K
1
2
3
4
5
6
7
8
9
10
11
12
15
16
17
18
19
20
14
13
IC1102
CVIPCM5100PWR
C1140
10u
F/
6.
3V
C1139
0.1u
F
C1130
0.1uF
C1131
0.1uF
C1132
2.2uF 6.3V
C1133
0.
1u
F
C1134
2.
2u
F 6.
3V
R1134
470
R1135
470
C1
13
5
0.1u
F
C1136
10uF/6.3V
R1133
10K
D1101
1SS3
55
T
D1100
1SS3
55
T
R1132
10K
R
1129
10K
oh
m
L1130
CLZ9R005Z
R
1137
100K
R
1136
100K
T15
T16
87
65
43
21
RN1100
33X4
T17
BM840_SPI_MOSI
BM840_SPI_CLK
BM840_SPI_CSB
BM840_SPI_CSB
BM840_SPI_MISO
BM840_DEBUG
BT_R-
BT_R+
BT_L-
BT_L+
+3.3V_BT
CHGND
CHGND
CHGND
+3.3V_BT
+3.3V_BT
CHGND
BT_R
BT_L
+3.3V_BT
CHGND
+3.3V_BT
+3.3V_BT
CHGND
CHGND
CHGND
AGND
+5V_BT
AGND
CHGND
AGND
BT_LRCK
BT_BLCK
BT_DO
BT_L
BT_R
MCK
+3.3V_BT
CHGND
CHGND
AGND
Harman Kardon
HK 3770 Service Manual
Page 116 of 120
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