Sony HT-CT550W / STR-CT550WT Service Manual ▷ View online
STR-CT550WT
33
IC401, 402 MP2467DN-LF-Z
BST
8
VIN
7
RSET
6
GND
5
SW 1
EN 2
COMP 3
FB 4
BOOTSTRAP
REGULATOR
REGULATOR
1.5ms SS
500kHz
OSCILLATOR
REFERENCE UVLO/
THERML
SHUTDDOWN
INTERNAL
REGULATORS
–
+
+
0V8
COMP
2.6V
–
+
+
ERROR
AMP
150m
:
IC403 SI-3010KM-TLS
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
IC404 TK11133CSCL-G
IC1008 TK11150CSCL-G
IC1008 TK11150CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC1006 S-80935CNMC-G85T2G
VDD 2
OUT 1
VSS 3
+
–
VREF
CD
5
NC
4
DELAY
CIRCUIT
STR-CT550WT
34
IC1011 PCM9211PTR
XTI 39
XTO 40
GNDRX 38
NPCM/INT1
2
MPIO_B0
11
MPIO_B1
12
ERROR/INT0
1
SCKO
20
BCK
19
LRCK
18
DOUT
17
MD0/ADR0
23
MD1/SDA
24
MS/ADR1
26
MODE
27
RXIN4/ASCKIO
31
RXIN5/ABCKIO
30
RXIN1
RXIN1
35
VDDRX
36
MPIO_C3
10
VINR 48
VINL 47
VCOM 44
RST
34
RXIN2
33
RXIN3
32
RXIN6/ALRCKIO
29
RXIN7/ADIN0
28
RXIN2
AGNDAD 45
VCCAD 46
VCC 42
FILT 43
AGND 41
MPIO_C2
9
MPIO_C1
8
MPIO_C0
7
RXIN0 37
RXIN3
RXIN4
RXIN5
RXIN6
RXIN7
AUXIN0
RXIN8
MPIO_A
MPIO_B
MPIO_C
MPO0
MPO1
RXIN8
RXIN9
RXIN10
RXIN11
DTOUT
RXIN0
A/D
CONVERTER
A/D
CONVERTER
MODE
CONTROL
DIR
ANALOG
XMCKO
DIVIDER
CLOCK/DATA
RECOVERY
LOCK
DETECTION
MPO0/1
SELECTOR
RESET &
MODE SETTING
SPI/I2C
INTERFACE
REGISTER
MAIN
OUTPUT
PORT
DIVIDER
OSC
PLL
A/D
CONVERTER
ANALOG
COM. SUPPLY
POWER SUPPLY
DIR
ANALOG
POWER
SUPPLY
ALL
POWER
SUPPLY
XMCKO
(TO MPIO_A & MPO0/1)
(TO MPIO_A & MPO0/1)
MC/SCL
25
DGND
21
DVDD
22
MPIO_B3
14
MPIO_B2
13
MPIO_B
SELECTOR
MPIO_C
SELECTOR
MPIO_A3
6
MPIO_A2
5
MPIO_A1
4
MPIO_A0
3
RXIN9
RXIN10
RXIN11
AUXIN1
SBCK/SLRCK
( TO MPIO_A)
MPIO_A
SELECTOR
EXTRA DIR
FUNCTIONS
SECONDARY BCK/LRCK
DIVIDER SELECTOR
DIT
MPO1
16
MPO0
15
ADC CLOCK
(SCK/BCK/LRCK)
(SCK/BCK/LRCK)
SCKO/BCK/LRCK
RECOUT1
RECOUT0
DITOUT
RECOUT0
DITOUT
DOUT
RXIN7
AUTO
DIR
ADC
AUXIN0
AUXIN1
DIR
ADC
AUXIN0
AUXIN1
RECOUT1
RECOUT0
RECOUT0
AUTO
DIR
ADC
AUXIN0
AUXIN1
DIR
ADC
AUXIN0
AUXIN1
ADC
ADC_STANDALONE
AUXIN2
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
AUXOUT
AUXIN2
ADC
DIR
STR-CT550WT
35
IC3010 CXD9843AR
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25 OVFFLAGL
26 SFLAG
27 INIT
30
S
g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
'6
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLA
TCH
24
OVFFLAGR
28 MCKSEL
32 BFVDD
33 BFVSS
34 TEST
35 DVDD
36 XFSIIN
LRCK
BCK
DATA
IC3050 MM3404A18URE
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
STR-CT550WT
36
IC3100 CXD9981TN
12
11
10
13
14
15
16
9
8
17
18
22
21
5
6
7
26
25
4
AGND
GVDD_C
GND
GND_B
OUT_D
GND_D
GND_C
GND_A
OUT_A
44
41
40
39
38
37
36
35
34
33
33
32
31
30
29
28
27
PWM
RCV.
OVERLOAD
PROTECTION
TEMP.
SENSE
GATE
DRIVE
ISENSE
POWER
ON
RESET
INTERNAL PULLUP
RESISTORS TO VREG
OUT_C
BST_C
PVDD_C
PVDD_D
PVDD_D
PVDD_D
NC
BST_D
GVDD_D
GVDD_D
BST_B
OUT_B
PVDD_B
GVDD_A
PVDD_A
PVDD_A
PVDD_A
VREG
VDD
PWM_D
/RESET_CD
PWM_C
M1
M2
M3
VREG
OC_ADJ
PWM_B
/RESET_AB
/SD
/OTW
PWM_A
2
NC
3
1
NC
GVDD_B
20
NC
19
NC
PROTECTION
AND
I/O LOGIC
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
UNDER
VOLTAGE
PROTECTION
VREG
43 BST_A
42 NC
24
23
23
VREG
4
4
CTRT.
TIMING
PWM
RCV.
GATE
DRIVE
CTRT.
TIMING
PWM
RCV.
GATE
DRIVE
CTRT.
TIMING
PWM
RCV.
GATE
DRIVE
CTRT.
TIMING
IC5101 74LVC1G79GW-125
1
2
VCC
5
D
Q
CP
GND
TG
TG
TG
TG
4
C
C
C
C
C
C
_
C
_
C
_
C
_
C
_
3
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