Sony DAV-LF1H / SA-WSLF1H Service Manual ▷ View online
49
SA-WSLF1H
• IC Block Diagrams
– DSP Board –
– DSP Board –
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
64K x 16
MEMORY
ARRAY
SENSE AMP
&
WRITE
PRIVER
HIGH
BYTE
BYTE
I/O
BUFFER
LOW
BYTE
I/O
BUFFER
CHIP ENABLE
BUFFER
WRITE ENABLE
BUFFER
OUTPUT ENABLE
BUFFER
ROW/COLUMN
DECODER
BYTE ENABLE
BUFFER
1
A3
A2
A1
A0
CS
I/O 0
I/O 1
I/O 2
I/O 3
VDD
VSS
I/O 4
I/O 5
I/O 6
I/O 7
WE
A15
A14
A13
A12
NC
A4
A5
A6
A7
OE
BHE
BLE
I/O 15
I/O 14
I/O 13
I/O 12
VSS
VDD
I/O 11
I/O 10
I/O 9
I/O 8
NC
A8
A9
A10
A11
NC
IC7 IS61LV6416-10TLT
8
VCC
7
WP
6
SCL
5
SDA
1
A0
2
A1
3
A2
4
GND
ADDRESS
DECODER
DECODER
SLAVE WORD
ADDRESS REGISTER
DATA
REGISTER
16 K bit EEPROM ARRAY
CONTROL CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
HIGHT VOLTAGE
GENERATOR
11 bit
8 bit
11 bit
STOP
START
ACK
IC503 BR24L16F-WE2
50
SA-WSLF1H
IC712 LC89056W-E
IC706 PCM1803DBR
IC607 TC74VHC08FT (EL)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
VINL 1
VINR 2
VERF1 3
VERF2 4
VCC 5
AGND 6
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
MODE1
20
MODE0
19
FMT1
18
FMT0
17
OSR
16
SCKI
15
VDD
14
DGCD
13
DOUT
12
BCK
11
Single-End
/Differential
Converter
5 th Order
Delta-Sigma
Modulator
5 th Order
Delta-Sigma
Modulator
Reference
Single-End
/Differential
Converter
× 1/64 (× 1/128)
Decimation
Filter
with
DC Cut Filter
Power Supply
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
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
CLK
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
SPDIF
DINO
DINI
DIN2
6
D.GND
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
LOCK
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
– DSP Board –
51
SA-WSLF1H
IC801 BH7868FS-E2
30
1
2
3
29
28
CV OUT
VCC1
6
CV IN
5
MUTE1
7
SEL (CV/MIX)
13
PB/B IN
15
PR/R IN
14
MUTE2
16
VCC2
11
PY/G IN
12
GND
8
Y IN
10
SEL (BIAS/CLAMP)
4
C IN
S1
S2
CV OUT SAG
GND
BIAS
6dB
75
Ω
32 C OUT
75
Ω
31 S-DC OUT
6MHz
LPF
27
26
Y OUT
Y OUT SAG
75
Ω
6MHz
LPF
6MHz
LPF
S-DC OUT
S1/S2
+
25 GND
24
23
PY/G OUT
PY/G OUT SAG
75
Ω
12MHz
LPF
22 GND
21
20
PB/B OUT
PB/B OUT SAG
75
Ω
12MHz
LPF
19 GND
18
17
PR/R OUT
PR/R OUT SAG
75
Ω
12MHz
LPF
CLAMP
6dB
CLAMP
6dB
6dB
9
BIAS
BIAS
BIAS
6dB
BIAS
6dB
CLAMP
BIAS
MUTE1
MUTE2
H
L
L
H
– DSP Board –
IC802 NJM2235V (TE2)
1
2
3
4
6
5
7
8
IN 1
SW 1
SW 2
VDD
VIN 3
OUT
GND
IN 2
BIAS
BUFFER
52
SA-WSLF1H
– AMP Board –
IC216 TK11118CSCL-G
1
2
3
5
4
VCONT
GND
NP
VIN
VOUT
CONTROL
CIRCUIT
OVER HEAT &
OVER CURRENT
PROTECTION
BANDGAP
REFERENCE
IC221 SN74AHC1GU04DCKR
2
A
3
GND
1
NC
4
Y
5
VCC
IC231, IC251 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 g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ 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
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
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