Diagrams; Block Diagram - Main Section - Sony DSX-A50BT Service Manual

DSX-A50BT
SECTION 5

DIAGRAMS

5-1.

BLOCK DIAGRAM - MAIN Section -

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