Bluetooth_Bm840 - Harman Kardon HK 3700 Service Manual

6
Harman Kardon
D
C
B
DAC PART
DVDD
C1130
0.1uF DGND
C1131
LDOO
0.1uF
XSMT
FMT
RN1100 LRCK
BT_LRCK
DIN
BT_DO
BT_BLCK BCK
MCK
MCK
A T17
33X4
R1132 FLT
10K
CHGND
5

Bluetooth_BM840

CHIP ANT
Origin:ACA-5036-A2-CC-S 2.4g antenna
3
2
AN1101
12.09.01
CHGND
+3.3V_BT
CLZ9R005Z
L1130
IC1102
CVIPCM5100PWR
CPVDD
C1132
CAPP
2.2uF 6.3V
CPGND
CAPM
VNEG
R1134
470
OUTL C1141 10/16V
BT_L
OUTR C1142
10/16V
BT_R
R1135
AVDD
470
C1136
10uF/6.3V
AGND
R1133
DEMP
10K
CHGND
AGND
4 3
+3.3V_BT
TO CODEC
AGND
BT_R-
BT_R+
BT_L-
4
BT_L+
IMPEDANCE LINE _ 50ohm [0.5mm]
C1111 C1109
1
50V/100PF 50V/100PF
12.11.08
+3.3V_BT
+3.3V_BT
IC1101
CVIMX25L8006EM2I-12G
R1102
10Kohm
CHGND
R1103
3.3Kohm
R1104
10Kohm
CHGND
2
NC / OPTIONS
T13 BT_LRCK
T12 BT_DO
T11 BT_BLCK
+3.3V_BT
T1 1.8V_SMPS
R1118 0
C1104 0.1
CHGND CHGND +3.3V_BT
17
16
15
CHGND
14
+5V_BT 13
12
11
10
R1113
47K
R1112 OPEN
BT_L
BT_R
AGND
CHGND
BM840_DEBUG
R1109
OPEN T8 BM840_DEBUG
BM840_SPI_MISO
R1108
0
BM840_SPI_MOSI R1105
0
BM840_SPI_CLK
R1106 0
BM840_SPI_CSB
R1107 0
+3.3V_BT
CHGND
R1131 OPEN
CHGND AGND
MP
ISSUE
ANAM
MULTI. LAB
12.11.09
1
HK 3770 Service Manual
+3.3V_BT
GND
GND
GND
+5V_BT
BT_STATUS
BT_STATUS_PAIR
FN3
BT_AUDIO_EN
9
FN2
8
FN1
7
GND
6
BT_FL
5
GND
4
BT_FR
3
GND
2
BT_PWR_CTL
1
7
6
CHGND
5
BM840_SPI_MISO
4
BM840_SPI_MOSI
3 BM840_SPI_CLK
2 BM840_SPI_CSB
1
+3.3V_BT
REVISION 2 4 6
1 3 5 7
SCHEMATIC DIAGRAM
HK37x0_BT
MODEL
DESIGN CHECK APPROVE DRAWING NO
C.D.W S.K.S C.D.C
Bluetooth
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D
C
B
A
SHEET
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