Sony HT-SF2000 / HT-SS2000 / STR-KS2000 Service Manual ▷ View online
STR-KS2000
41
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1003, 1017 TC7WH157FK (TE85R)
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
IC1008, 1900 TC74VHC157FT (EKJ)
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC1012 SI-3050KM-TL
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
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
IC1016 TC74VHC393FT (EL)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
Q
A
Q
B
Q
C
Q
D
A
CLEAR
VCC
Q
A
Q
B
Q
C
Q
D
A
CLEAR
GND
STR-KS2000
42
IC1301 LC890561W
37
CE
38
CLK
39
XSEL
40
MODE0
41
MODE1
42
DGND
43
DVDD
44
DOSEL0
45
DOSEL1
46
CKSEL0
47
CKSEL1
48
XMODE
36
DI
MICRO
CONTROLLER
35
DO
34
ERROR
33
BPSYNC
32
VREF
31
DGND
30
DVDD
29
VF/DA
TAO2
28
F2/DLMP
27
F1/FSB1
26
F0/FSB0
25
CSFLAG
1
DISEL
2
DOUT
3
DIN0
4
DIN1
5
DIN2
6
DGND
7
DVDD
8
SDIN
9
AGND
10
LPF
11
AV
D
D
12
AGND
23 EMPHA
22 XIN
24 AUDIO
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
PA,PB DETECT
REGULATOR
FS CALCULATION
AMP
CLOCK
SELECT
OR
DATA SELECTOR
DATA SELECTOR
BUFFER RAM
INPUT SELECTOR
PLL
DEMODULATION
&
LOCK DETECT
C-BIT DETECT
IC1302 TC74ACT153F (EL)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3 2C2 2C1 2C0
2Y
VCC
2C3 2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2 1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2 1C1 1C0 OUTPUT
1Y
GND
DATA INPUTS
STR-KS2000
43
IC1602 PCM1803DBR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
VINL 1
VINR 2
VREF1 3
VREF2 4
VREF2 4
VCC
AGND
5
6
6
BYPAS 8
TEST 9
LRCK 10
REFERENCE
× 1/64, × 1/128
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
OSR
16
SCKI
15
VDD
14
DGND
13
DOUT
12
BCK
11
CLOCK & TIMING CONTROL
POWER
SUPPLY
SUPPLY
PDWN 7
IC1710 BD3842FS-FD2
LOGIC
1
INA1
2
INA2
3
INB1
4
INB2
5
INC1
6
INC2
7
IND1
8
IND2
9
INE1
10
INE2
11
INF1
12
INF2
14 OUT1
15 RECB2
16 RECB1
13 OUT2
18 RECA1
19 VCC
20 GND
21 VEE
22 DA
23 CL
24 DGND
17 RECA2
STR-KS2000
44
IC3010, 3020, 3030 CXD9876R
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 H P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
Δ Σ
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 TK11118CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
Click on the first or last page to see other HT-SF2000 / HT-SS2000 / STR-KS2000 service manuals if exist.