Sony DAV-LF1H / SA-WSLF1H Service Manual ▷ View online
21
21
SA-WSLF1H
SA-WSLF1H
• Circuit Boards Location
SPEAKER board
POWER board
AMP board
AUDIO board
DIAT TRANSMITTER board
DSP board
COMPONENT board
COMPOSITE board
SPEAKER board
DIAT board
COMPONENT board
SCART board
SPEAKER board
DIAT board
(EXCEPT AEP, UK, RU)
(AEP, UK, RU)
• Waveforms
– DSP Board –
– DSP Board –
– DIAT TRANSMITTER Board –
– SCART Board
(AEP, UK, RU models) –
(AEP, UK, RU models) –
1
IC501
qg
(XIN)
5
IC801
es
(C OUT)
6
IC801
wh
(Y OUT)
7
IC801
wd
(CYOUT)
8
IC801
w;
(CbOUT)
9
IC801
qj
(CrOUT)
2
IC2
<zvx
(CLKIN)
3
IC712
ws
(XIN)
4
IC801
wl
(V OUT)
1 V/DIV, 100 ns/DIV
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
200 ns
2.9 Vp-p
40 ns
1 V/DIV, 10 ns/DIV
1.7 Vp-p
1.0
µ
s
1 V/DIV, 500 ns/DIV
3.2 Vp-p
500 mV/DIV, 20
µ
s/DIV
2.2 Vp-p
H
1.4 Vp-p
H
2.2 Vp-p
H
500 mV/DIV, 20
µ
s/DIV
2.2 Vp-p
H
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
1.5 Vp-p
H
H
1.5 Vp-p
1
IC804
tj
(OSCI)
1 V/DIV, 10 ns/DIV
40.7 ns
2.4 Vp-p
1
IC951
wf
(CYOUTa)
2
IC951
wa
(CbOUTa)
3
IC951
qk
(CrOUTa)
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
H
1.2 Vp-p
H
1.1 Vp-p
H
1.2 Vp-p
1
IC231
rk
(XFSDIN)
20.3 ns
1 V/DIV, 10 ns/DIV
4.8 Vp-p
– AMP Board –
Ver. 1.1
22
22
SA-WSLF1H
SA-WSLF1H
5-1. BLOCK DIAGRAM
— AMP (DSP) SECTION —
• Signal Path
• R-ch is omitted due to same as L-ch.
: DIGITAL IN
: AUDIO
: TUNER
: AUX IN (AUDIO)
: MIC
IC901
C
SW
SPDIF
IC703
AMP
IC702
AMP
IC708
A/D CONVERTER
DIGITAL OPTICAL
IN
TV
3 DIN1(I)
21 XOUT (O)
22 XIN(I)
13
CKOUT(O)
15
LRCK(O)
14
BCK(O)
16
DATA(O)
35
DO(O)
DO
36
DI(I)
37
CE(I)
38
CL(I)
25
SFLAG(O)
17
XSTATE(O)
24
AUDIO (O)
34
ERROR(O)
X821
12.288MHz
97 FLAG2
81 DSPID
80 DSPIC
16 FLAG1
142
CLKIN
143
XTAL
127
MOSI
125
SPICLK
78
DPSIA
89
DPBCK
79
DPSIB
88
DPLRCK
15
FLAG0
126
MISO
121
RESET
122
SPIDS
X1
25MHz
70
DSPOC
65
DSPOB
64
DSPOA
87
DPDVLRCK 86
35
39
DPDVBCK
WR
RD
LRCKO
BCKO
LRCKO
BCKO
D1
12
11
13
2
3
1
9
8
10
4
6
5
D2
D3
D1
D2
D3
SCK
40
ALE
AD0 - AD15
A16 - A18
17
24-26
29,30,33
34,41-43
46,49-52
53,56,57
47,46,44,43
41,40,38,37
36,35,33,32
30,29,27,26
1D1-8
2D1-8
IC712
DEMODULATOR
IC2
AUDIO DSP
IC6
ADDRESS LATCH
IC7
S-RAM
IC607
AND GATE
25
2LE
48
1LE
-
+
-
+
6
7
1
5
3
2
1 LIN
2 RIN
12
DOUT
11
BCK
10
LRCK
IC705
SELECTOR
IC704
SELECTOR
6 IN1B
3 IN2A
8 IN4B
11
OUTB
2
CNT1
4
CNT2
2
CNT1
4
CNT2
IC707
A/D CONVERTER
1 LIN
12
DOUT
11
BCK
10
LRCK
-
+
7
5
6
SL
SR
R-CH
IC701
AMP
TUNER UNIT
-
+
7
5
6
FL
FR
R-CH
11
OUTB
8
6
L-CH
R-CH
CLK
FM ANT
GND
AM ANT
GND
CE
DO
TUNED
DI
RDS IN
RDS DATA
R-CH
70 ST CLK
72 ST CE
71 ST DO
68 TUNED
69 ST DI
75 RDS CLK
76 RDS DATA
86 MIC_SW
63
AVSEL0
65
AVSEL1
67
AVSEL3
66
AVSEL2
61
DIR_HDOUT
5
DSP_MOSI/DIR_DIN
58
DIR_HCE
7
DSP_SPICLK/DIR_CLK
19
DIR_CSFLAG
27
ERROR
18
DIR ZERO
HDIN
HCLK
60
DIR_XSTATE
6
DSP_MISO
3
DSP_INT
55
DSP REST
56
DSP_SPIDS
IC706
A/D CONVERTER
1 LIN
12
DOUT
11
BCK
10
LRCK
HDIN
CE
HCLK
SFLAG
48
XMODE(I)
XMODE
DO
HDIN
CE
HCLK
SFLAG
57
DIR_RST
XMODE
IC501 (1/4)
SYSTEM CONTROLLER
7
9
AMP (OUT)
SECTION
(Page 23)
B
J902
IC710
HEX INVERTER
VIDEO 1
VIDEO 2
DIGITAL IN
1
5
3
11
12
13
12
10
8
IC711
SELECTOR
2C1
2C2
2C3
10
2
14
9
2C0
B
A
2Y
J901
Q901
+2.5V REG
VIDEO 2
ECM-AC1
J903
+9V
VIDEO 1
TV
R-CH
R-CH
R-CH
EXCEPT
AEP, UK, RU
AEP, UK, RU
AEP, UK, RU
AEP, UK, RU
R
L
VIDEO
SECTION
(Page 24)
E
IC902
MIC AMP
–
+
7
5
6
A0 - A15
I/O 0 - A/O 15
IQ1 - IQ8
2Q1 - 2Q8
A16 -A18
41
OE
17
WE
IC608
DFLIP FLOP
2 D
5
Q
1 CK
Q601
SWITCH
D
DIGITAL IN COAXIAL
OPTICAL
AMP (OUT)
SECTION
(Page 23)
ANTENNA
FM 75
COAXIAL
AM
Ver. 1.1
23
23
SA-WSLF1H
SA-WSLF1H
5-2. BLOCK DIAGRAM
— AMP (OUT) SECTION —
Signal Path
: AUDIO
SD
4
IC302
POWER DRIVER
IC301
POWER DRIVER
IC303
POWER DRIVER
IC304
POWER DRIVER
6 PWM-A
14 PWM-B
5 RESET
(+)
(–)
28
30
25
27
30
25
27
OUTB
OUTA
SD
4
6 PWM-A
14 PWM-B
5 RESET
OUTB
OUTA
SD
4
6 PWM-A
14 PWM-B
5 RESET
OUTB
OUTA
4
+12V
IC231
STREAM PROCESSOR
31 DATA
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
27 INIT
24 OVF FLAGR
21 SCDT
29 LRCK
22
31
36
30
23
27
18
21
29
22
SCSHIFT
LATCH1
INIT
SCDT
SHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
14
XFS0OUT
FSOCKO
4
OUTR2
11
OUTL1
6
OUTR1
9
OUTL2
38
FSOI
Q403, 404
OVER LOAD
DETECT
FRONT
L
87 SYS_RESET
32
SYS_RXD
31
1
7
6
2
SYS_TXD
33 SYS_CLK
SYS_RESET
EVER +4V
(+)
(–)
FRONT
R
IC501 (2/4)
SYSTEM CONTROLLER
(+)
(–)
IC251
STREAM PROCESSOR
DATA
24 OVF FLAGR
XFSIIN
BCK
SCLATCH
INIT
NSPMUTE
SCDT
LRCK
SCSHIFT
38
FSOI
48
XFSOIN
48
XFSOIN
IC305
POWER DRIVER
14
PWM-A
6
PWM-B
5 RESET
SD
OUTB
OUTA
51
DRIVE-RST
52
DRIVE-OCP
CENTER
J906
19 SOFTMUTE
D1
SCK
BCKO
LRCKO
LRCKO
LATCH3
INIT
SOFTMUTE
LATCH1
LAT3
SCDT
SHIFT
D3
SCK
BCKO
LRCKO
LRCKO
INIT
NSPMUTE
SOFTMUTE
18 NSPMUTE
19 SOFTMUTE
19 SOFTMUTE
NSPMUTE
SOFTMUTE
Q411
PROTECT DETECT
IC221
OSC
D1 - D3, SCK,
BCKO, LRCKO
BCKO, LRCKO
X201
49.152MHz
53
OVERFLOW1
DAMP LATCH1 49
50
DAMP LATCH3
47
48
DAMP INIT
DAMP SOFTMUTE
54
OVERFLOW2
CSOD
XRST
XLAT
SDATA
SCLK
D2(SL/SR)
BCKO
LRCKO
4
1, 2
23 DIAT CSOD
SDA
SCLK
24
DIAT XRST
25
1
2
DIAT XLAT
DAMP_SCDT/DIAT_SDATA
DAMP_SHIFT/DIAT_SCLK
13
15
X501
5MHz
Xout
Xin
LPF
LPF
LPF
LPF
LPF
LPF
LPF
SW–
SW+
LPF
LPF
LPF
Q401, 402
OVER LOAD
DETECT
Q405, 406
OVER LOAD
DETECT
Q407, 408
OVER LOAD
DETECT
SP901
SUB WOOFER
FAN
DRIVE
IC606
LEVEL SHIFT
IC503
EEPROM
(D2)
IC891 (2/3)
LEVEL SHIFT
IC891 (1/3)
LEVEL SHIFT
DC FAN
Q431-433
D2
BCKO
SHIFT
SCDT
LRCKO
SPEAKER
IMPEDANCE USE 4
Ω
SYSTEM
CONNECTOR
CN801
M +15V
C
SW
SL
SR
FL
FR
SPDIF
Cb/B
Cr/R
CY/G
C/CVBS
Y
A +12V
D +12V
SYS_RXD
SYS_TXD
34
3
5
SYS_BUSY
IC891 (3/3)
LEVEL SHIFT
SYS_BUSY
SYS_CLK
73 CABLE_DETECT
CABLE_DET
74 SYS_WAKEUP
SYS_WAKEUP
6
5
89
90
SCL
SDA
37
28
30
30
25
27
27
28
30
25
27
30
25
27
SD
4
14
PWM-A
6
PWM-B
5 RESET
OUTB
OUTA
28
30
25
27
30
25
27
28
30
25
27
30
25
27
: Y
: CHROMA
: COMPONENT VIDEO
: RGB
: DIGITA IN
: VIDEO
AUDIO (DSP)
SECTION
(Page 22)
D
AUDIO(DSP)
SECTION
(Page 22)
B
VIDEO
SECTION
(Page 24)
C
DIAT TRANSMITTER
SECTION
(Page 25)
A
24
24
SA-WSLF1H
SA-WSLF1H
5-3. BLOCK DIAGRAM
— VIDEO SECTION —
: AUX IN (AUDIO)
Signal Path
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
IC801
VIDEO AMP, 75ohm
DRIVER
J909
J908
J905
13 CBIN
Q802
6 CVBSIN
20
5
CBOUT
MUTE1
V_SEL0
V_MUTE0
V_MUTE1
WIDE
TV_SEL
RGB SEL
V_SEL1
15 CRIN
23
CYOUT
29
VOUT
4 CIN
7 YC-MIX
11 CYIN
8 YIN
Cb/B
Cr/R
Y
CY/G
C/CVBS
J904
32
COUT
31
S-DCOUT
26
YOUT
17
CROUT
14
81
80
82
83
79
77
78
MUTE2
1
2
3
4
COMPONENT
VIDEO OUT
S VIDEO
MONITOR OUT
VIDEO
Y
P
B
/C
B
P
R
/C
R
Q954, 955, 959
BLANKOUT
SWITCH
CBOUT
CYOUT
VOUT
CROUT
AEP, UK, RU
EXCEPT AEP, UK, RU
VOUT
L
R
R
G
VOUT
B
R
G
B
11
15
7
19
8
16
6
2
J951
R/C OUT
G OUT
B OUT
CVBS OUT
BLANK
OUT
OUT
FUNCTION
SW
SW
A(L) IN
A(R) IN
EURO AV
OUTPUT
(TO TV)
RGB SEL
Q956-958
FUNCTION
SWITCH
TV SEL
TV SEL
RGB SEL
L, R
7
1
IC802
SELECTOR
OUT
G
R
B
VOUT
IN1
IN2
IN3
SW2
SW1
3
5
4
2
VIDEO 1
VIDEO 2
IC501(3/4)
SYSTEM CONTROLLER
: AUX IN(VIDEO)
: RGB
Q801
SWITCH
15
IC951
75ohm
DRIVER
CRIN
11 CYIN
13 CBIN
6
14
5
17
23
20
29
18
24
21
30
CVSBIN
MUTE2
V_MUTE1
RGB SEL
MUTE1
CROUTb
CYOUTa
CBOUTb
VOUTb
CROUTa
CYOUTb
CBOUTa
VOUTa
Q951, 952
MUTE
SWITCH
E
AUDIO (DSP)
SECTION
(Page 22)
C
AMP (OUT)
SECTION
(Page 23)
Ver. 1.1
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