Sony MEX-BT39UW Руководство по эксплуатации - Страница 30
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MEX-BT39UW/BT3900U/BT3950U
• IC Block Diagrams
– MAIN Board –
IC001 TEF6617T/V1/S470, 518 (Except BT3900U: AEP and UK models)
IC001 TEF6617T/V1/S470/M5, 518 (BT3900U: AEP and UK models)
AMRFIN 1
AM
AMRFDEC 2
TUNER
FMIN2 3
FM
TUNER
FMIN1 4
GNDRF 5
VCC+8.5V 6
AMRFAGC 7
LOUT 8
STEREO DECODER
HIGH CUT
ROUT 9
OUTPUT
SOFT MUTE
NOISE BLANKER
GNDAUD 10
AMIFAGC 11
MPXIN 12
SIGNAL
IMPROVEMENT
CONTROL
MPXOUT 13
BANDWIDTH
RSSI 14
CONTROL
XTAL2 15
XTAL1 16
IC202, 402 TK11133CSCL-G
5
4
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1
2
3
MEX-BT39UW/BT3900U/BT3950U
32
AMOUT2
31
AMOUT1
30
AMIFAGC1
29
AMSELIN2
AMSELIN1
28
27
TESTCT
26
VCOREF
PLL
TUNING
25
VCOLOOP
SYSTEM
24
VCCVCO
23
GNDANA
22
VCC+8.5V
POWER
SUPPLY
21
GREGSUP
20
VREF+4V
19
SDA
I2C BUS
18
SCL
17
GNDDIG
IC301 TDF8556AJ/N3 (Except BT3900U: AEP and UK models)
IC301 TDF8556AJ/N3/M5 (BT3900U: AEP and UK models)
TAB
1
OUT-FL–
3
FL
OUT-FL+
5
OUT-RL–
7
RL
OUT-RL+
9
11
IN-RL
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
TEMPERATURE
PROTECTION
DIAG
25
ANT-REM
27
SWITCH
AMP-REM
29
SWITCH
SERVO+3.3V
31
MECHA+6V
33
VP
35
REFERENCE
VOLTAGE
LOAD DUMP
BU+B
37
REGULATOR
PROTECTION
30
30
2
I2C_SIO
I
2
C BUS
4
I2C_SCK
6
VP2
8
P-GND1
10
SVR
12
IN-FL
14
IN-FR
16
BEEP
VP
18
P-GND3
20
VP1
22
STB
24
P-GND4
ENABLE
LOGIC
26
RST
28
CRES
AUDIO+B
30
(8.5V)
32
GND
34
PANEL+B
36
CBU
BACK-UP
SWITCH