Sony HT-K250 / SA-WMSP250 Service Manual ▷ View online
17
SA-WMSP250
2-11. IC BLOCK DIAGRAMS
— DIGITAL AMP Board —
IC305, 308, 318 CXD9743N
S
P
Rate Converter
DF1
DF2
Gain
Control
Serial Control
Liner Interpolator
(*2times)
∆ ∑ Converter
VDDL
PWM
INIT/MUTE
Clock Generator
Clock Generator
1
OUTL1
2
VSSL
3
OUTL2
4
XOVDD
5
XFSOOUT
6
XOVSS
7
DVDD
8
DVSS
9
MCKSEL
10
SCDT
11
SCSHIFT
12
SCLA
TCH
13
NSPMUTE
14
INIT
15
LRCK
16
BCK
17
D
ATA
18
BFVDD
19
BFVSS
20
XFSIIN
21
VDDR
42
OUTR1
41
VSSR
40
OUTR2
39
VSUBC
38
XVDD
37
XFSOIN
36
XVSS
35
HPVDDL
34
HPOUTL1
33
HPVSSL
32
HPOUTL2
31
HPVDDR
30
HPOUTR1
29
HPVSSR
28
HPOUTR2
27
TEST1
26
TEST2
25
SFLAG
24
FSOI
23
FSOCKO
22
IC301, 304, 306, 307, 309, 311
CXD9750L
Crossover
Delay
Low Side
Level Shift
Pre Driver
High Side
Level Shift
Filter
TSD
UVLO
Q
S
R
R
S
R
Q
Pre Driver
2
VBOOTA
9
OUTA
1
VBBA
3
VDRVA
10
SA
5
GNDA
7
ENA
4
VDDA
8
DIAGA
6
INA
14
11
12
19
13
15
17
18
16
20
VBOOTB
OUTB
VBBB
VDRVB
SB
GNDB
ENB
VDDB
DIAGB
INB
Same as above
18
SA-WMSP250
— DSP Board —
IC604 PCM1800-E/2K
5
6
7
8
9
10
11
12
4
3
2
1
20
19
18
17
24
23
22
21
13
14
15
16
LIN
V_REF_1
REFCOM
RSTB
BYPASS
FMT0
V_REF_2
RIN
AGND
VCC
C_PL
C_NR
C_NL
C_PR
FMT1
MODE0
MODE1
FSYNC
FSYNC
FSYNC
LRCK
BCK
DOUT
LRCK
LRCK
BCK
BCK
DOUT
DOUT
SYSCLK
DGND
VDD
SERIAL DATA
INTERFACE
MODE/FORMAT
CONTROL
INTERFACE
CLOCK/TIMING CONTROL
RESET/POWER CONTROL
RESET/POWER CONTROL
X1/64
DECIMATION
AND
HIGH PASS FILTER
SINGLE-END/
DIFFERENTIAL
CONVERTER
5TH-ORDER
DELTA-SIGMA
MODULATOR
SINGLE-END/
DIFFERENTIAL
CONVERTER
5TH-ORDER
DELTA-SIGMA
MODULATOR
REFERENCE
(+)
(-)
(+)
(-)
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DIN0
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
AUTO
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
IC606 LC89056W-E
19
SA-WMSP250
— PS Board —
IC901 STR-F6267D/STR-F6238S
5
4
3
2
1
OSC
START
REGULATOR
DRIVE
REGULATOR
THERMAL
SHUT DOWN
LATCH
OVER
VOLTAGE
PROTECTOR
OVER
CURRENT
PROTECTOR
OVER LOAD
PROTECTOR
D
GND
FB/OLP
VCC
OCP/SYNC
INH1
INH2
DRIVE
CURRENT
MIRROR
FEED BACK
5
4
3
2
1
ON/OFF
SOFT
START
TSD
VREF
OCP
OSC
PREG.
RESET
LATCH &
DRIVE
GND
SW
OUT
ON/OFF
VS
VIN
COMP.
ERROR AMP
IC903 SI-8120JF
IC907 SI-8050JF
IC907 SI-8050JF
1
2
3
4
5
6
7
8
VDD
VSB
VSA
RESET
GND
OUTC
VSC
CT
VREF
+
–
–
+
–
+
–
+
Q
R
S
IC910 NJM2103M-TE2
20
SA-WMSP250
2-12.
IC PIN FUNCTION DESCRIPTION
• IC501
MB90478PFG-132-BND SYSTEM CONTROL (DIGITAL AMP Board)
Pin No.
1
2
3
4
5
6
7
8
9, 10
11
12 to 17
18
19
20
21, 22
23
24 to 26
27
28
29
30
31 to 34
35
36
37
38 to 41
42
43 to 46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67 to 69
70 to 74
I/O
O
O
O
O
O
I
O
—
—
—
—
I
O
O
—
—
—
I
O
—
O
—
—
—
—
—
—
—
—
—
I
I
I
I
—
I
I
O
O
O
O
O
O
O
O
O
—
O
—
—
Pin Name
XMODE
CKSEL1
CLK
CE
DI
DO
PD
P27
P30, P31
VSS
P32 to P37
HDOUT
HDIN
HCLK
P43, P44
VCC5
P45 to P47
COMIN
COMOUT
P72
BUSYOUT
P74 to P77
AVCC
AVRH
AVSS
P60 to P63
VSS
P64 to P67
P80
P81
MD0
MD1
MD2
STOP
P83
DIAG
BUSYIN
AMPCE1
AMPCE2
AMPCE3
SDATA
SSHIFT
NSPMUTE
PGMUTE
D/AOUT
RST
P97
EN
PA1 to PA3
P50 to P54
Description
Reset signal output to the DIR (IC606)
Clock selection signal output to the DIR (IC606)
Clock output to the DIR (IC606)
Latch signal output to the DIR (IC606)
Serial data output to the DIR (IC606)
Serial data input from the DIR (IC606)
Reset signal output to the A/D converter (IC604)
General purpose I/O port Not used (ground)
General purpose I/O port Not used (ground)
Ground
General purpose I/O port Not used (ground)
Data input from the DSP (IC605)
Data output to the DSP (IC605)
Clock output to the DSP (IC605)
General purpose I/O port Not used (ground)
Power supply
General purpose I/O port Not used (ground)
UART serial data input from the display unit
UART serial data output to the display unit
General purpose I/O port Not used (ground)
Busy signal output to the display unit
General purpose I/O port Not used (ground)
A/D converter power supply
A/D converter external reference voltage source
A/D converter power supply
General purpose I/O port Not used (ground)
Ground
General purpose I/O port Not used (ground)
General purpose I/O port Not used ( fixed at “H”)
General purpose I/O port Not used (ground)
Operation mode setting input (normally fixed at “H”)
Operation mode setting input (Vcc)
Operation mode setting input (normally fixed at “L”)
AC OFF signal input “L” : AC OFF
Not used (ground)
Protection signal input from the power drivers
Busy signal input from the display unit
Latch signal output to the stream processor (IC305)
Latch signal output to the stream processor (IC308)
Latch signal output to the stream processor (IC318)
Serial control data output to the stream processors (IC305, IC308 and IC318)
Clock output to the stream processors (IC305, IC308 and IC318)
NSPMUTE signal output to the stream processors (IC305, IC308 and IC318)
PGMUTE signal output to the stream processors (IC305, IC308 and IC318)
Power supply voltage control signal output (0V to 2.9V)
Reset signal output to the stream processors (IC305, IC308 and IC318)
General purpose I/O port Not used (ground)
Enable signal output to the power drivers
General purpose I/O port Not used (ground)
General purpose I/O port Not used (open)
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