Read Sony MEX-BT4700U / MEX-BT4750U Service Manual online
MEX-BT4700U/BT4750U
MEX-BT4700U/BT4750U
21
21
4-2. BLOCK DIAGRAM - AUDIO Section (2/2) -
R-CH
RDS DECODER
IC50
MPX
16
I2C_SDA
12
I2C_SCL
11
INTN
10
9
X50
8.664MHz
XTO
XTI
15
16
X1
4MHz
XTAL2
XTAL1
8
LOUT
A
ELECTRICAL VOLUME, INPUT SELECT
IC401
SYSTEM CONTROLLER
IC501 (2/3)
OUT_FLCH 34
OUT_RLCH 32
OUT_SLCH 30
R-CH
R-CH
FL+
FL–
4
1
9
FR+
FR–
2
12
RL+
CN701 (1/2)
POWER AMP
IC301 (1/2)
RL–
RR+
11
10
3
RR–
R-CH
R-CH
MUTING
Q480
MUTING
Q485
MUTING
Q483
• SIGNAL PATH
: TUNER
: CD PLAY
: AUDIO
: AUX IN
• R-ch is omitted due to same as L-ch.
IN-RL
11
IN-FL
12
I2C_SIO
2
I2C_SCK
4
OUT-RL- 7
OUT-RL+ 9
OUT-FL- 3
OUT-FL+ 5
R-CH
J901
FRONT
AUDIO OUT
L
REAR
AUDIO OUT
R
L
R
SUB
AUDIO OUT
L
R
DIAG
25
STB
22
BEEP
16
J901
AUX
9
ROUT
R-CH
SDA
19
SCL
18
RSSI
14
PLL
IC1
L6
FM MIX
FMIN1
4
FMIN2
3
AMPRFIN
1
AMSELIN2
29
AMSELIN1
28
AMSELOUT1
31
AMSELOUT2
32
MPXIN
12
MPXOUT
13
47
DAVN
37
VSM
22
I2C_SIO
23
I2C_SCK
98
ZAPPIN_BEEP
69
XDIAG
68
AMP_STB
100
BEEP
J1
(ANTENNA IN)
15
CD_LCH
6
BT_LCH
CD-L
ATT
BT-L
12
AUX_LCH
9
TU_LCH
4
ZAP_BEEP
13
I2C_SIO
38
I2C_SCK
37
ZAP_BEEP
16
(BT4700U)
(Page 20)
Click on the first or last page to see other MEX-BT4700U / MEX-BT4750U service manuals if exist.