Sony MEX-BT3600U Panduan Servis - Halaman 32

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Sony MEX-BT3600U Panduan Servis
MEX-BT3600U
• Waveforms
– MAIN Board –
IC501
(XOUT)
2.7 Vp-p
30.6 μs
1 V/DIV, 20 μs/DIV
IC501
(OSCOUT)
3.3 Vp-p
90 ns
1 V/DIV, 50 ns/DIV
IC50
(XTO)
2.3 Vp-p
115 ns
1 V/DIV, 50 ns/DIV
• IC Block Diagrams
– MAIN Board –
IC50 TDA7333013TR
VDDA
1
REF3
2
SIGMA DELTA
REF2
3
CONVERTER
REF1
4
VSS
5
TM
6
TEST LOGIC
VDDD
7
&
PIN MIX'S
RESETN
8
SINC4
SINC4
REG
I2C/SPI
FILTER
INTERFACE
RAM BUFFER
BANDPASS
&
FILTER
CONTROL LOGIC
RDS DEMODULATOR
MPX
INTERPOLATOR
&
SYNCHRONISATION
MEX-BT3600U
16 MPX
15 INTN
14 CSN
13 SA_DATAOUT
12 SDA_DATAIN
11 SCL_CLK
10 XTO
9 XTI
IC401 BD3442FS-E2
A1
1
100k
A2
2
INPUT
100k
SELECTOR
B1 3
100k
B2
4
100k
C1
5
100k
C2
6
100k
DP1
7
250k
DN
8
250k
DP2
9
250k
DS32
10
DS12
11
DS22
12
EBIAS
13
DS21
14
DS11
15
DS31
16
IC803 TPS40200DRG4
UVLO
RC
1
E/A AND SS
REFFERENCE
SS
2
SOFT-START
AND
OVERCURRENT
COMP
3
ENABLE E/A
FB
4
32
32
VCC2
INPUT
VOLUME1
TREBLE
VOLUME2
GAIN
/MUTE
/BASS
I2C
/MIDDLE
BUS
LOGIC
VCC
FADER
EFFECT
FADER
FADER
FADER
FADER
LPF
FADER
SPECTRUM
ANALYZER
OSC
PWM
LOGIC
DRIVER
700mV
32 FIL
31 GND
30 SDA
29 SCL
28 MUTE
27 VCC
26 OUTF1
25 OUTF2
24 OUTR1
23 OUTR2
22 OUTS1
21
OUTS2
20
ADJ
19
SOUT
18
DATA
17
CLK
VDD
8
7
ISNS
6
DRV
5
GND