Sony MEX-BT2500 Manuel d'entretien - Page 34

Parcourez en ligne ou téléchargez le pdf Manuel d'entretien pour {nom_de_la_catégorie} Sony MEX-BT2500. Sony MEX-BT2500 48 pages. Bluetooth audio system
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Sony MEX-BT2500 Manuel d'entretien
MEX-BT2500
• Waveforms
– KEY Board –
– MAIN Board –
IC501 ul (XOUT)
1
qa
1.1 Vp-p
30.4 µ s
500 mV/DIV, 20 µ s/DIV
IC501 id (OSCOUT)
2
3.4 Vp-p
54 ns
1 V/DIV, 20 ns/DIV
• IC Block Diagrams
– MAIN Board –
IC50 TDA7333013TR
16 MPX
VDDA
1
15 INTN
REF3
2
SIGMA DELTA
14 CSN
REF2
3
CONVERTER
13 SA_DATAOUT
REF1
4
12 SDA_DATAIN
VSS
5
11 SCL_CLK
TM
6
TEST LOGIC
VDDD
7
&
PIN MIX'S
RESETN
8
SINC4
SINC4
REG
I2C/SPI
FILTER
INTERFACE
10 XTO
RAM BUFFER
BANDPASS
&
FILTER
CONTROL LOGIC
RDS DEMODULATOR
MPX
INTERPOLATOR
&
SYNCHRONISATION
MEX-BT2500
IC971 rf (OSC)
2.6 Vp-p
25.5 µ s
1 V/DIV, 10 µ s/DIV
9 XTI
IC300 TDA8588BJ/N2/R1
TAB
1
OUT-FL-
3
FL
OUT-FL+
5
OUT-RL-
7
RL
OUT-RL+
9
IN-RL
11
S-GND
13
PROTECTION/
DIAGNOSTIC
IN-RR
15
OUT-RR+
17
RR
OUT-RR-
19
OUT-FR+
21
STANDBY/
FR
MUTE
OUT-FR-
23
CHIP DETECT/
DIAGNOSTIC
BATTERY
TEMPERATURE
DIAG
25
DETECTION
PROTECTION
ANT-REM
27
SWITCH
AMP-REM
SWITCH
29
SERVO5V
31
MECH6V
33
VP
35
REFERENCE
VOLTAGE
LOADDUMP
B.UP+B
37
REGULATOR
PROTECTION
34
34
2
SDA
2
I
C BUS
4
SCL
6
VP2
8
PGND3
10
SVR
12
IN-FL
14
IN-FR
16
BEEP
VP
18
PGND2
20
VP1
22
STB
24
PGND1
ENABLE
LOGIC
26
RST
28
CRES
30
AUDIO8.3V
32
GND
34
PANEL+B
36
CBU
BACK-UP
SWITCH