DOWNLOAD Sony HT-K250 / SA-WMSP250 Service Manual ↓ Size: 4.49 MB | Pages: 32 in PDF or view online for FREE

Model
HT-K250 SA-WMSP250
Pages
32
Size
4.49 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-k250-sa-wmsp250.pdf
Date

Sony HT-K250 / SA-WMSP250 Service Manual ▷ View online

21
SA-WMSP250
Pin No.
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93 to 97
98
99
100
I/O
O
O
I
I
O
O
I
O
O
I
I
I
Pin Name
PWCNT2
PWCNT1
RSTX
P57
X1A
X0A
VSS
X0
X1
VCC3
P00
NC
GP9
BST
HCS
HACN
XRST
PM
P10 to P14
ERROR
XSTATE
DATAO
Description
Power supply (12V, 6.2V) control signal output to the power supply “H” : +12V and +6.2V ON
Power supply ON/OFF control signal output to the power supply “H” : ON
Reset signal input
General purpose I/O port  Not used (ground)
32kHz oscillator terminal
32kHz oscillator terminal
Ground
Oscillator terminal
Oscillator terminal
Power supply
General purpose I/O port  Not used (ground)
General purpose I/O port  Not used (ground)
GP9 signal input from the DSP (IC605)
Boot strap signal output to the DSP (IC605)
Chip select signal output to the DSP (IC605)
Acknowledge signal input from the DSP (IC605)
Reset signal output to the DSP (IC605)
PLL initialization signal output to the DSP (IC605)
General purpose I/O port  Not used (ground)
Error signal input from the DIR (IC606)
XSTATE signal input from the DIR (IC606)
Data existence check signal input from the DIR (IC606)
22
SA-WMSP250
• IC605
CXD9617R DSP (DIGITAL AMP Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23 to 25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
I/O
I
I
I
I
O
I
O
I
O
I
I
I
O
O
I/O
O
O
O
I
I
I
O
I
I
O
I
O
O
O
O
O
O
O
I
I
O
O
Pin Name
VSS
XRST
EXTIN
FS2
VDDI
FS1
PLOCK
VSS
MCLK1
VDDI
VSS
MCLK2
MS
SCKOUT
LRCKI1
VDDE
BCKI1
SDI1
LRCKO
BCKO
VSS
KFSIO
SDO1 to SDO3
SDO4
SPDIF
LRCKI2
BCKI2
SDI2
VSS
HACN
HDIN
HCLK
HDOUT
HCS
SDCLK
CLKEN
RAS
VDDI
VSS
CAS
DQM/OE0
CS0
WE0
VDDE
WMD1
VSS
WMD0
PAGE2
VSS
PAGE1
Description
Ground
Reset signal input from the system control (IC501)
Not used (connected to ground)
Not used (connected to ground)
Power supply
Not used (connected to ground)
Internal PLL lock signal output (Not used (open))
Ground
Clock signal input (13.5 MHz) (resonator connection)
Power supply
Ground
Clock signal output (13.5 MHz) (resonator connection)
Switching of master/slave operation (L : internal clock, H : EXTIN clock is used)
Internal system clock signal output
Sampling clock input for audio serial data
Power supply
Bit clock input terminal for audio serial data
Audio IF data input
Sampling clock output for digital audio serial data
Bit clock output terminal for digital audio serial data
Ground
Audio clock signal (364fs/256fs) input/output
Digital audio serial data output
Audio IF serial output (Not used (open))
Not used (open)
Sampling clock input for audio serial data
Bit clock input terminal for audio serial data
Digital audio data input
Ground
Acknowledge signal output to the system control (IC501)
Serial data input from the system control (IC501)
Clock input from the system control (IC501)
Serial data output to the system control (IC501)
Chip select signal input from the system control (IC501)
Not used (open)
Not used (open)
Not used (open)
Power supply
Ground
Not used (open)
Not used (open)
External memory chip select (SRAM)
SRAM write enable output
Power supply
Not used (connected to “H”)
Ground
Not used (connected to “H”)
Not used (open)
Ground
External memory page switching signal output (Not used (open))
23
SA-WMSP250
Pin No.
53
54
55
56
57
58
59
60
61
62, 63
64 to 66
67
68
69
70
71
72 to 75
76
77 to 80
81
82
83 to 85
86
87
88
89
90
91
92 to 97
98, 99
100
101
102 to 105
106
107, 108
109, 110
111
112
113
114, 115
116
117 to 119
200
I/O
O
I
O
I
I
I
I
O
O
O
O
I
I/O
I/O
O
O
O
I
I
I
I
O
I/O
I/O
I/O
O
O
I
I
I
Pin Name
PAGE0
BOOT
BTACT
BST
MOD1
MOD0
EXLOCK
VDDI
VSS
A17, A16
A15 to A13
GP10
GP9
GP8
VDDI
VSS
D15/GP7 to D12/GP4
VDDE
D11/GP3 to D8/GP0
VSS
A9
A12 to A10
TDO
TMS
XTRST
TCK
TDI
VSS
A8 to A3
D7, D6
VDDI
VSS
D5 to D2
VDDE
D1, D0
A2, A1
VSS
A0
PM
SDI3, SDI4
SYNC
VSS
VDDI
Description
External memory page switching signal output (Not used (open))
Not used (connected to ground)
Not used (open)
Boot strap signal input from the system control (IC501)
Operation mode signal input (L : 386fs, H : 256fs)
Operation mode signal input (L : single chip mode, H : use prohibited)
Lock signal input
Power supply
Ground
Not used (open)
External memory address output (SRAM)
LRCKO
DECODE
AUDIO
Power supply
Ground
External memory data input/output (general port)
Power supply
External memory data input/output (general port)
Ground
External memory address output (SRAM)
External memory address output (SRAM)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Ground
External memory address output (SRAM)
External memory data input/output (SRAM)
Power supply
Ground
External memory data input/output (SRAM)
Power supply
External memory data input/output (SRAM)
External memory address output (SRAM)
Ground
External memory address output (SRAM)
PLL initialization input terminal
Not used (open)
Sync/async selection input (L : sync, H : async)
Ground
Power supply
SECTION 3
EXPLODED VIEWS
24
SA-WMSP250
NOTE:
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
The mechanical parts with no reference number
in the exploded views are not supplied.
The components identified by mark 0  or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
3-1. CABINET SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
2
1
#1
#1
#1
#1
#1
#1
#1
#1
#1
AMP section
SP1
1
1-689-202-11 LED BOARD
2
A-4738-634-A PANEL ASSY, FRONT
SP1
1-825-188-11 SPEAKER(16cm)
#1
7-685-163-01 SCREW+P 4X16 TYPE1
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