Diagrams; Block Diagram - Main Section - Sony DSX-A40UE Service Manual

4-1.

BLOCK DIAGRAM - MAIN Section -

CN201
3
D+
2
D–
1
USB VBUS
VBUS
J304
AUX
R-CH
TU252
TUX-DSP03 (TUNER UNIT)
RF_ANT_IN AUDIO_OUT_L
J303
(ANTENNA IN) AUDIO_OUT_R
SDA
SCL
RSTN
DSX-A40UE/A40UI/A42UI
SECTION 4

DIAGRAMS

69 UDP1
68 UDM1
DACOUT_L 4
13 L3_IN_P
14 L3_IN_N
USB CONTROLLER, INPUT SELECTOR,
AUDIO DSP, ELECTRICAL VOLUME
75 X12OUT
IC201
X201
12MHz
74 X12IN
9 L1_IN
R-CH
54 53 52 55 56 86
20 22 21 19 17 16
45 HIT2_SDA
46 HIT2_SCL
47 HIT2_RESET
SYSTEM CONTROLLER
IC101 (1/2)
CENTER VOLTAGE
+8.5V GENERATOR
IC303
LFOUT 1
LINE AMP
3 LVRIN
IC302
LROUT 2
EEPROM
IC202
CP-SDA 83 2 SDA
CP-SCL 82 6 SCL
62 47 51
23 25 18
MUTING
ATT 56 CONTROL
Q109, 110
MUTING
AMP_MUTE 57 SWITCH
Q304
BEEP 26
AMPSTB 58
11 11
R-CH
POWER AMP
IC304
FL+ 5
12 IN_FL
FL– 3
R-CH
RL+ 9
11 IN_RL
RL– 7
MUTING MUTING
Q305 Q303 R-CH
22 16 4
R-CH R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: TUNER
: USB
: AUX
DSX-A40UE/A40UI/A42UI
J302
L
REAR
AUDIO OUT
R
CN102 (1/2)
1
FL+
9
FL–
4
FR+
12
FR–
2
RL+
10
RL–
3
RR+
11
RR–