Read Sony CDX-M50IP / CDX-MR50IP Service Manual online
32
32
CDX-M50IP/MR50IP
CDX-M50IP/MR50IP
• IC Block Diagrams
IC300 TDA8588AJ/N2/R1 (MAIN BOARD (1/4))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
LF–
LF+
LR–
LR+
IN-RL
S-GND
IN_LF
RR+
RR–
RF+
RF–
DIAG
SW2
SW1
REG3
REG4
VP
REG2
SDA
SCL
VP2
PGND3
SVR
IN_RR
IN_LR
ACGND
PGND2
VP1
STB
PGND1
RST
CRES
REG1
GND
REG5
CBU
FL
RL
RR
VP
FR
I
2
C BUS
IC401 BD3442FS-E2 (MAIN BOARD (2/4))
IC601 BA8271F-E2 (MAIN BOARD (1/4))
1
2
A1
100k
100k
100k
100k
100k
100k
250k
250k
250k
A2
B1 3
4
B2
5
C1
6
C2
7
DP1
8
DN
9
DP2
10
DS32
11
DS12
12
DS22
13
EBIAS
14
DS21
15
DS11
16
DS31
26 OUTF1
27 VCC
VCC
VCC2
28 MUTE
29 SCL
30 SDA
31 GND
32 FIL
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25 OUTF2
24 OUTR1
23 OUTR2
FADER
FADER
22 OUTS1
21
20
OUTS2
19
ADJ
18
SOUT
17
DATA
CLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS.ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS.IN
BUS.IN
CLK-IN
B/U-C
DATA IN
DATA OUT
DATA I/O
IC50 TDA7333013TR (MAIN BOARD (2/4)) (CDX-MR50IP only)
VDDA
INTERPOLATOR
RAM
BUFFER
&
CONTROL
LOGIC
TEST LOGIC
&
PIN MUX'S
I
2
C/SPI
INTERFACE
BAND PASS
FILTER
SIGMA DELTA
CONVERTER
SINC4
FILTER
REF3
REF2
REF1
VSS
VDDD
RESETN
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SPI
TESTREG
SCK
SPI
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA
13
SDA
12
SCL
11
OSCILLATOR
XTO
10
XTI
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
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