Ic Block Diagrams; Main Board - Sony MEX-XB100BT Service Manual

MEX-XB100BT

• IC Block Diagrams

– MAIN Board –
IC402 BD3468FV-E2
A1 1
A2 2
BP1 3 ISO
GND
AMP
ISO
GND
BP2 4 AMP
CP1 5 ISO
GND
AMP
CN 6
ISO
GND
CP2 7 AMP
DP1 8 ISO
GND
AMP
DN 9
ISO
GND
DP2 10 AMP
EP1 11 ISO
GND
AMP
EN 12
ISO
GND
EP2 13 AMP
FP1 14
ISO
GND
AMP
FN1 15
FN2 16
ISO
GND
AMP
FP2 17
MIN 18
BN 19
HIVOLB 20
IC501 BU4228F-STR
GND 1
VREF
+
–
VDD 2
46
FADER
BOOST
FADER
BOOST
FADER
BOOST
REAR
SELECTION
FADER
BOOST
FADER
BOOST
FRONT
SELECTION
FADER
BOOST
4 VOUT
3 CT
FADER
ATT
LEVEL
40 OUTC
SHIFT
SUB
SELECTION
FADER
ATT
LEVEL
39 OUTS
SHIFT
LEVEL
FADER
38 OUTR1
SHIFT
ATT
FADER LEVEL
37 OUTR2
ATT SHIFT
LEVEL
FADER +
36 OUTF1
SHIFT
ATT
FADER LEVEL
+
35 OUTF2
ATT SHIFT
34 INF2
33 INF1
32 INR2
31 INR1
30 INS
29 INC
28 IG1
27 IG2
26 VCCL
REG (4.15V) 25 VREF
24 GND
23 SDA
I2C BUS
LOGIC 22 SCL
21 VCCH
IC702, 1001 BU33TD3WG-TR
IC703, 704 BU15TD3WG-TR
VIN 1
VOLTAGE
–
REFERENCE
+
OVER CURRENT
PROTECTION
GND 2
THERMAL
SHUTDOWN
STANDBY
STBY 3
5 VOUT
4 NC