DOWNLOAD Sony HT-DDW2500 / STR-KM2500 Service Manual ↓ Size: 3.7 MB | Pages: 54 in PDF or view online for FREE

Model
HT-DDW2500 STR-KM2500
Pages
54
Size
3.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ddw2500-str-km2500.pdf
Date
PREV: Sony HT-DDW2500 Service Manual

Sony HT-DDW2500 / STR-KM2500 Service Manual ▷ View online

STR-KM2500
33
• Waveforms
– DIGITAL AB Board –
40 ns
42 ns
81.3 ns
0.33
μs
81.3 ns
3.5 Vp-p
3.5 Vp-p
1.2 Vp-p
3.5 Vp-p
2.4 Vp-p
 IC1301 RG (BCK)
 IC1301 RE (CKOUT)
IC1301 XB (XOUT)
1 V/DIV, 0.2 μs/DIV
1 V/DIV, 50 ns/DIV
1 V/DIV, 50 ns/DIV
 IC1501 [WD  (XTAL)
IC1101 JE (X1)
1 V/DIV, 50 ns/DIV
1 V/DIV, 50 ns/DIV
STR-KM2500
34
•  IC Block Diagrams
– MAIN Board –
IC400   BD3471KS2
1
GND
2
HPFN
3
LPF01
4
LPF02
5
LPFN2
6
LPFN1
7
SWVOL
8
VCC
9
DGND
10
DA
11
CL
12
VEE
13
FROUT
14
FLOUT
15
SWOUT
16
COUT
17
SROUT
18
SLOUT
19
SBROUT
20
SBLOUT
21
GND
22
GND
23
RECL4
24
RECR4
25
RECL3
26
RECR3
27
RECL2
28
RECR2
29
RECL1
30
RECR1
40
GND
39
INR13
38
INL13
37
INR14
36
INL14
35
INR15
34
INL15
33
INR16
32
INL16
31
GND
60 INR3
59 INL3
58 INR4
57 INL4
56 INR5
55 INL5
54 INR6
53 INL6
52 INR7
51 INL7
50 INR8
49 INL8
48 INR9
47 INL9
46 INR10
45 INL10
44 INR11
43 INL11
42 INR12
41 INL12
61
INL2
62
INR2
63
INL1
64
INR1
65
GND
66
SBLIN1
67
SBRIN1
68
SBLIN1
69
SLIN1
70
SRIN1
71
CIN1
72
FLIN1
73
FRIN1
75
ADCR
76
ADCL
74
GND
78
SUB1R
79
SUB1L
77
GND
80
GND
ADC
SWITCH
FR
VOLUME
SUB1
LOGIC
SWITCH
SWITCH
SWITCH
SWITCH
FL
VOLUME
SW
VOLUME
C
VOLUME
SR
VOLUME
SL
VOLUME
SBR
VOLUME
SBL
VOLUME
EQ
REC
SUB2
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
STR-KM2500
35
IC601, 701   STK350-530T-E
2
3
5
4
6
7
9
8
1
MUTE
+ VOUT1
– VOUT1
COMP1
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2
+ VOUT2
VCC1
VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG
DRIVE
PRE
DRIVE
11
10
12
13
15
14
DRIVE
PRE
DRIVE
– DIGITAL AB Board –
IC1014   TC7WH74FU (TE12R)
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
IC1301   LC89056W-E
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
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AV
D
D
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
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
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
IC1401   PCM1808PWR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
VDD
DGND
4
5
LRCK 7
REFERENCE
s 1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SCKI 6
VREF 1
STR-KM2500
36
IC1452   WM8766GEDS/R
1
MODE
18 VMID
17 VREFP
16 VREFN
20 NC
19 NC
22 VOUT1R
21 VOUT1L
24 VOUT2R
23 VOUT2L
26 VOUT3R
25 VOUT3L
28 AVDD
27 AGND
15 TESTREF
2
MCLK
3
BCLK
5
DVDD
6
DGND
4
LRCLK
11
ML/I2S
12
MC/IWL
13
MD/DM
14
MUTE
7
DIN1
8
DIN2
9
DIN3
10
DNC
AUDIO
INTERFACE,
DIGITAL
FILTERS
CONTROL
INTERFACE
STEREO
DAC
STEREO
DAC
STEREO
DAC
LOW
PASS
FILTER
LOW
PASS
FILTER
LOW
PASS
FILTER
– DISPLAY Board –
IC100   PT6315
5
OSC
OSC
DATA
SELECTOR
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
SERIAL
INTERFACE
DISPLAY MEMORY
24 BITS x 12 WORDS
24-BIT OUTPUT
LATCH
12-BIT SHIFT
REGISTER
SEGMENT
DRIVER
TIMING GENERATOR
KEY SCAN
COMMAND
DECODER
DIMMING
CIRCUIT
KEY DATA MEMORY
(2 x 16 BITS)
4-BIT LATCH
1
LED1
2
LED2
3
LED3
4
LED4
24
16
16
12
4
8
8
4
8
27 SEG14/KS14
29 SEG16/KS16
30 VEE
28 SEG15/KS15
8
31 SEG17/GRID12
33 SEG19/GRID10
32 SEG18/GRID11
23 SEG10/KS10
24 SEG11/KS11
25 SEG12/KS12
26 SEG13/KS13
22
SEG9/KS9
21
SEG8/KS8
20
SEG7/KS7
19
SEG6/KS6
18
SEG5/KS5
17
SEG4/KS4
16
SEG3/KS3
15
SEG2/KS2
14
SEG1/KS1
MULTIPLEXED
DRIVER
34
SEG20/GRID9
35
SEG21/GRID8
36
SEG22/GRID7
37
SEG23/GRID6
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
13
VDD
12
VSS
38
SEG24/GRID5
GRID
DRIVER
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
+ 
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S
– DCDC CONVERTER Board –
IC4100   SI-8033S
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