Schematic Diagram - Bluetooth Section (Hx5/Hx7) - Sony CMT-HX3 Service Manual

6-11. SCHEMATIC DIAGRAM – BLUETOOTH Section (HX5/HX7) –
CN901
15P
AINL FB913
A.GND
AINR FB914
AOUTR C922 1 50V
AGND FB904 0
AOUTL C921 1 50V
AVDD5V FB903 0
DVDD5V FB902 0
DGND FB901 0
BT_RESET
(Page 34)
BT_TXD FB908 0
BT_RTS FB909 0
BT_RXD FB910 0
BT_CTS FB911 0
BT_AV_ROLE
HCD-HX3/HX5/HX7
• See page 46 for IC Block Diagrams.
+3.3V REGULATOR
IC903
XC6213B332MR
VIN
VOUT
VSS
CE
C901 NC
22 C902
16V 0.1
FB905
0
IC902(1/2)
NJM14558V-
JR902 0
R922
100
1
8
C971 22p
R908
470
R971
470 R911
C969 22p
0
R906 100
R970
470
R905 100 TXD
R910
R904 100 CTS
R969 2.2k R914
470 0
R903 100 RXD
R902 100 RTS
C907 C908
R909
R901 100 ROLE 47 47
2.2k
16V 16V
C931
IC902(2/2) 470p
NJM14558V-
5
7
6
R921
100 4
C923
470p
C942
R968
0.22
R942 100k
50V
100
R907
470
R944
100k
R972
470
R973
470
C912
R974 47
470 16V
R967 R943
100k 100k
C941
0.22
50V
R941
100
FB906
FB907
0
C905 C958
22p 22p
C904
C903
4.7
0.1
35V
C924 R930 C930
470p 4.7k R934 2.2
4.7k 50V
MIX AMP
R926
220
2
C926
3
0.0047
R924
220
R932 C928
4.7k 2.2
50V
IC904
BLUETOOTH MODULE
C932 R928 CXN1404-5ACL
470p 4.7k
R927
4.7k
C927
R923 C925 R931 2.2
220 0.0047 4.7k 50V
R925 R933
220 R929 4.7k C929
4.7k 2.2
50V
LINE AMP
D901
C952 MC2838-T11
3 8
R950 1
1
1k 50V
2
R956 R960
IC901(1/2) 100k 100
NJM14558V- C946 R946
22p 100k
R964
100k
R954 R962
47k 100
R958
R948 1M
47k C954
1
C966 50V
0.22
50V R952
1k
C965 R951
0.22 1k
50V
C953
1 R961
R947 50V 100
47k R957
1M
R953
47k
R963
100k
C951
C945 R945
1
22p 100k R949 R955 R959
4 50V
1k 100k 100
6
7
5
IC901(2/2)
NJM14558V-
29 29
R900 100
R913
R935 100
47k
R936 100
R937 100
C957
22p
C906
0.1
R965
100
D902
MC2838-T11 ANT901
PATTERN
ANTENNA
(FOR BLUETOOTH)
HCD-HX3/HX5/HX7
CN902
6P
VCC
SPI_MOSI
SPI_CLK
SPI_MISO (NC)
SPI_CSB
GND
CN903
6P
VCC
TXD R938 100 UART_TXD
R939 100 UART_RXD
RXD
R940 100 UART_/RTS (NC)
RTS
R966 100 UART_/CTS
ROLE CTS
GND
CN904
C914
2p