Block Diagram - Tuner, Usb, Bluetooth Section - Sony CMT-BX1 Service Manual

HCD-BX5BT/CBX1/CBX3
HCD-BX5BT/CBX1/CBX3
6-2. BLOCK DIAGRAM – TUNER, USB, BLUETOOTH Section –
CN902 USB CONTROLLER
(USB) IC901
3
D+
79 D+ DATA
BCK
2
D–
80 D– LRCK
GATE
VBUS POWER
ON/OFF SWITCH ST-REQ
IC915
BUS0
1
VBUS VBUS
5 OUT IN 4 BUS1
+5V
BUS2
EN FLG
BUS3
1 3
/BUCK
/CCE
77 USBOC
REQ
78 USBPON
S-RAM
IC921
RXD1
TXD1
DI
DO
/RESET
CE 6 70 CS2
OE 41 64 RD
WE 17 65 WR
LB 39 66 SRLLB
UB 40 67 SRLUB
X1 X2
75 73
X901
9MHz
ANT901
PATTERN
ANTENNA
(FOR BLUETOOTH)
IC904
BLUETOOTH MODULE
A_OUT_P_L
A_OUT_N_L
A_OUT_P_R
A_OUT_N_R
A_IN_P_L
A_IN_N_L
A_IN_P_R
A_IN_N_R
UART_RXD
UART_TXD
UART_CTS
UART_RTS
PIO_00
RESET
22
A-IN
93
BCK
92
LRCK
71
GATE
94
ST-REQ
97
BUS0
55
BUS1
56
BUS2
57
BUS3
58
BUCK
59
CCE
60
REQ
96
88
87
2
84
1
ANTENNA TUNER (FM/AM)
FM 75Ω
FM ANT L OUT
COAXIAL
R OUT R-CH
AM AM ANT
DO/STEREO
ST DIN
ST CLK
ST CE
RDS DATA
RDS CLK
(CBX3)
10
MIX AMP
IC902
9
8
R-CH
7
5
LINE AMP
IC901
4
3
R-CH
2
40
41
38
39
12
46
22
(CBX3)
A-IN, BCK, LRCK,
GATE, ST-REQ
B
(Page 21)
BUS0 – BUS3,
BUCK, CCE, REQ
C
(Page 21)
SYSTEM CONTROLLER
IC301 (2/4)
35 USB TXD
36 USB RXD
38 USB RTS
37 USB CTS
40 USB RESET
TUNER-L
E
(Page 23)
1 ST DATA IN/STEREO
3 ST DATA OUT
2 ST CLK
100 ST CE
95 RDS DATA
18 RDS INT
BT-L
F
(Page 23)
BT OUT-L
G
(Page 23)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
31 BT DOUT : AUDIO
32 BT DIN
: TUNER (FM/AM)
34 BT_RTS
57 BT CTS
: USB
54 BT_AV_ROLE
55 BT_RESET
: BLUETOOTH IN
: BLUETOOTH OUT
(BX5BT)