Sony DSX-A50BT Service Manual

DSX-A50BT
DSX-A50BT
1414
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - MAIN Section -
USB CONTROLLER,
INPUT SELECTOR,
AUDIO DSP,
ELECTRICAL VOLUME
IC201
SYSTEM CONTROLLER
IC101 (1/2)
LFOUT
+8.5V
1
LROUT
2
R-CH
FL+
FL–
4
1
9
FR+
FR–
2
12
RL+
CN102 (1/2)
POWER AMP
IC304
LINE AMP
IC302
CENTER VOLTAGE
GENERATOR
IC303
RL–
RR+
11
10
3
RR–
R-CH
MUTING
Q303
MUTING
Q305
: TUNER
: AUX
: AUDIO
IN-RL
11
IN_FL
12
RL-
7
RL+
9
FL-
3
FL+
5
R-CH
R-CH
REAR
AUDIO OUT
L
R
MUTE
22
STBY
4
AC_GND
16
OFFSET
25
R-CH
45 HIT2_SDA
46 HIT2_SCL
47 HIT2_RESET
58
AMPSTB
26
BEEP
63
PIC_ERR
56
ATT
J303
(ANTENNA IN)
L1_IN
9
L2_IN
11
R-CH
L3_IN_P
13
MUTING
CONTROL
Q109, 110
57
AMP_MUTE
MUTING
SWITCH
Q304
SIGNAL PATH
R-ch is omitted due to same as L-ch.
FRONT
AUDIO OUT
L
R
J301
TU251
TUX-DSP02 (TUNER UNIT)
AUDIO_OUT_L
RF_ANT_IN
SDA
SCL
RSTN
AUDIO_OUT_R
J304
AUX
L3_IN_N
14
UDP1
69
UDM1
68
3
2
1
D+
D–
VBUS
USB_VBUS
CN201
X201
12MHz
X12IN
X12OUT
74
75
18
SYSRST
21
SCK
22
SDO
19
CE
RESETB
51
SIFCK
52
SIFDI
53
SIFCE
55
20
SDI
SIFDO
54
17
BUSY
BUSYB
56
23
USB_IN
USB_IN
57
25
WDT_MON
WDT_MON
60
16
CMD_ERR
CMD_ERR
61
R-CH
: USB
: Bluetooth
: MIC
BT BOARD
(PATTERN ANTENNA)
MIC601
LCH_P
LCH_N
RCH_P
RCH_N
MODULE_PON
UART_RTS
RESET
BT_POWER (A50)
85
BT_CTS (A50)
83
UART_CTS BT_RTS (A50)
82
BT_RESET (A50)
84
UART_TX
UART_RX
BT_RX (A50)
76
MUTE BT_MUTE (A50)
65
BT_TX (A50)
75
R-CH
MIX AMP
IC602
MIC+_IN
MIC_OUT

Sony DSX-A50BT Specifications

General

MP3 playback	Yes
CD-R playback	No
FM band range	87.5 - 108 MHz
Product color	Black
Amplifier output power	50 W

Weight and Dimensions

Weight	700 g
Dimensions (WxDxH)	178 x 120 x 50 mm