Sony MEX-BT2500 Bedienungsanleitung Seite 34

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